diff options
Diffstat (limited to 'src/mesh/assimp-master/contrib/draco/cmake')
37 files changed, 2484 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/contrib/draco/cmake/DracoConfig.cmake b/src/mesh/assimp-master/contrib/draco/cmake/DracoConfig.cmake new file mode 100644 index 0000000..be5e1fa --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/DracoConfig.cmake @@ -0,0 +1,3 @@ +@PACKAGE_INIT@ +set_and_check(draco_INCLUDE_DIR "@PACKAGE_draco_include_install_dir@") +set_and_check(draco_LIBRARY_DIR "@PACKAGE_draco_lib_install_dir@") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/FindDraco.cmake b/src/mesh/assimp-master/contrib/draco/cmake/FindDraco.cmake new file mode 100644 index 0000000..0a91930 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/FindDraco.cmake @@ -0,0 +1,56 @@ +# Finddraco +# +# Locates draco and sets the following variables: +# +# draco_FOUND draco_INCLUDE_DIRS draco_LIBARY_DIRS draco_LIBRARIES +# draco_VERSION_STRING +# +# draco_FOUND is set to YES only when all other variables are successfully +# configured. + +unset(draco_FOUND) +unset(draco_INCLUDE_DIRS) +unset(draco_LIBRARY_DIRS) +unset(draco_LIBRARIES) +unset(draco_VERSION_STRING) + +mark_as_advanced(draco_FOUND) +mark_as_advanced(draco_INCLUDE_DIRS) +mark_as_advanced(draco_LIBRARY_DIRS) +mark_as_advanced(draco_LIBRARIES) +mark_as_advanced(draco_VERSION_STRING) + +set(draco_version_file_no_prefix "draco/src/draco/core/draco_version.h") + +# Set draco_INCLUDE_DIRS +find_path(draco_INCLUDE_DIRS NAMES "${draco_version_file_no_prefix}") + +# Extract the version string from draco_version.h. +if(draco_INCLUDE_DIRS) + set(draco_version_file + "${draco_INCLUDE_DIRS}/draco/src/draco/core/draco_version.h") + file(STRINGS "${draco_version_file}" draco_version REGEX "kdracoVersion") + list(GET draco_version 0 draco_version) + string(REPLACE "static const char kdracoVersion[] = " "" draco_version + "${draco_version}") + string(REPLACE ";" "" draco_version "${draco_version}") + string(REPLACE "\"" "" draco_version "${draco_version}") + set(draco_VERSION_STRING ${draco_version}) +endif() + +# Find the library. +if(BUILD_SHARED_LIBS) + find_library(draco_LIBRARIES NAMES draco.dll libdraco.dylib libdraco.so) +else() + find_library(draco_LIBRARIES NAMES draco.lib libdraco.a) +endif() + +# Store path to library. +get_filename_component(draco_LIBRARY_DIRS ${draco_LIBRARIES} DIRECTORY) + +if(draco_INCLUDE_DIRS + AND draco_LIBRARY_DIRS + AND draco_LIBRARIES + AND draco_VERSION_STRING) + set(draco_FOUND YES) +endif() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/compiler_flags.cmake b/src/mesh/assimp-master/contrib/draco/cmake/compiler_flags.cmake new file mode 100644 index 0000000..8750e6f --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/compiler_flags.cmake @@ -0,0 +1,220 @@ +if(DRACO_CMAKE_COMPILER_FLAGS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_COMPILER_FLAGS_CMAKE_ 1) + +include(CheckCCompilerFlag) +include(CheckCXXCompilerFlag) +include("${draco_root}/cmake/compiler_tests.cmake") + +# Strings used to cache failed C/CXX flags. +set(DRACO_FAILED_C_FLAGS) +set(DRACO_FAILED_CXX_FLAGS) + +# Checks C compiler for support of $c_flag. Adds $c_flag to $CMAKE_C_FLAGS when +# the compile test passes. Caches $c_flag in $DRACO_FAILED_C_FLAGS when the test +# fails. +macro(add_c_flag_if_supported c_flag) + unset(C_FLAG_FOUND CACHE) + string(FIND "${CMAKE_C_FLAGS}" "${c_flag}" C_FLAG_FOUND) + unset(C_FLAG_FAILED CACHE) + string(FIND "${DRACO_FAILED_C_FLAGS}" "${c_flag}" C_FLAG_FAILED) + + if(${C_FLAG_FOUND} EQUAL -1 AND ${C_FLAG_FAILED} EQUAL -1) + unset(C_FLAG_SUPPORTED CACHE) + message("Checking C compiler flag support for: " ${c_flag}) + check_c_compiler_flag("${c_flag}" C_FLAG_SUPPORTED) + if(${C_FLAG_SUPPORTED}) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${c_flag}" CACHE STRING "") + else() + set(DRACO_FAILED_C_FLAGS + "${DRACO_FAILED_C_FLAGS} ${c_flag}" + CACHE STRING "" FORCE) + endif() + endif() +endmacro() + +# Checks C++ compiler for support of $cxx_flag. Adds $cxx_flag to +# $CMAKE_CXX_FLAGS when the compile test passes. Caches $c_flag in +# $DRACO_FAILED_CXX_FLAGS when the test fails. +macro(add_cxx_flag_if_supported cxx_flag) + unset(CXX_FLAG_FOUND CACHE) + string(FIND "${CMAKE_CXX_FLAGS}" "${cxx_flag}" CXX_FLAG_FOUND) + unset(CXX_FLAG_FAILED CACHE) + string(FIND "${DRACO_FAILED_CXX_FLAGS}" "${cxx_flag}" CXX_FLAG_FAILED) + + if(${CXX_FLAG_FOUND} EQUAL -1 AND ${CXX_FLAG_FAILED} EQUAL -1) + unset(CXX_FLAG_SUPPORTED CACHE) + message("Checking CXX compiler flag support for: " ${cxx_flag}) + check_cxx_compiler_flag("${cxx_flag}" CXX_FLAG_SUPPORTED) + if(${CXX_FLAG_SUPPORTED}) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${cxx_flag}" CACHE STRING "") + else() + set(DRACO_FAILED_CXX_FLAGS + "${DRACO_FAILED_CXX_FLAGS} ${cxx_flag}" + CACHE STRING "" FORCE) + endif() + endif() +endmacro() + +# Convenience method for adding a flag to both the C and C++ compiler command +# lines. +macro(add_compiler_flag_if_supported flag) + add_c_flag_if_supported(${flag}) + add_cxx_flag_if_supported(${flag}) +endmacro() + +# Checks C compiler for support of $c_flag and terminates generation when +# support is not present. +macro(require_c_flag c_flag update_c_flags) + unset(C_FLAG_FOUND CACHE) + string(FIND "${CMAKE_C_FLAGS}" "${c_flag}" C_FLAG_FOUND) + + if(${C_FLAG_FOUND} EQUAL -1) + unset(HAVE_C_FLAG CACHE) + message("Checking C compiler flag support for: " ${c_flag}) + check_c_compiler_flag("${c_flag}" HAVE_C_FLAG) + if(NOT ${HAVE_C_FLAG}) + message( + FATAL_ERROR "${PROJECT_NAME} requires support for C flag: ${c_flag}.") + endif() + if(${update_c_flags}) + set(CMAKE_C_FLAGS "${c_flag} ${CMAKE_C_FLAGS}" CACHE STRING "" FORCE) + endif() + endif() +endmacro() + +# Checks CXX compiler for support of $cxx_flag and terminates generation when +# support is not present. +macro(require_cxx_flag cxx_flag update_cxx_flags) + unset(CXX_FLAG_FOUND CACHE) + string(FIND "${CMAKE_CXX_FLAGS}" "${cxx_flag}" CXX_FLAG_FOUND) + + if(${CXX_FLAG_FOUND} EQUAL -1) + unset(HAVE_CXX_FLAG CACHE) + message("Checking CXX compiler flag support for: " ${cxx_flag}) + check_cxx_compiler_flag("${cxx_flag}" HAVE_CXX_FLAG) + if(NOT ${HAVE_CXX_FLAG}) + message( + FATAL_ERROR + "${PROJECT_NAME} requires support for CXX flag: ${cxx_flag}.") + endif() + if(${update_cxx_flags}) + set(CMAKE_CXX_FLAGS + "${cxx_flag} ${CMAKE_CXX_FLAGS}" + CACHE STRING "" FORCE) + endif() + endif() +endmacro() + +# Checks for support of $flag by both the C and CXX compilers. Terminates +# generation when support is not present in both compilers. +macro(require_compiler_flag flag update_cmake_flags) + require_c_flag(${flag} ${update_cmake_flags}) + require_cxx_flag(${flag} ${update_cmake_flags}) +endmacro() + +# Checks only non-MSVC targets for support of $c_flag and terminates generation +# when support is not present. +macro(require_c_flag_nomsvc c_flag update_c_flags) + if(NOT MSVC) + require_c_flag(${c_flag} ${update_c_flags}) + endif() +endmacro() + +# Checks only non-MSVC targets for support of $cxx_flag and terminates +# generation when support is not present. +macro(require_cxx_flag_nomsvc cxx_flag update_cxx_flags) + if(NOT MSVC) + require_cxx_flag(${cxx_flag} ${update_cxx_flags}) + endif() +endmacro() + +# Checks only non-MSVC targets for support of $flag by both the C and CXX +# compilers. Terminates generation when support is not present in both +# compilers. +macro(require_compiler_flag_nomsvc flag update_cmake_flags) + require_c_flag_nomsvc(${flag} ${update_cmake_flags}) + require_cxx_flag_nomsvc(${flag} ${update_cmake_flags}) +endmacro() + +# Adds $flag to assembler command line. +macro(append_as_flag flag) + unset(AS_FLAG_FOUND CACHE) + string(FIND "${DRACO_AS_FLAGS}" "${flag}" AS_FLAG_FOUND) + + if(${AS_FLAG_FOUND} EQUAL -1) + set(DRACO_AS_FLAGS "${DRACO_AS_FLAGS} ${flag}") + endif() +endmacro() + +# Adds $flag to the C compiler command line. +macro(append_c_flag flag) + unset(C_FLAG_FOUND CACHE) + string(FIND "${CMAKE_C_FLAGS}" "${flag}" C_FLAG_FOUND) + + if(${C_FLAG_FOUND} EQUAL -1) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}") + endif() +endmacro() + +# Adds $flag to the CXX compiler command line. +macro(append_cxx_flag flag) + unset(CXX_FLAG_FOUND CACHE) + string(FIND "${CMAKE_CXX_FLAGS}" "${flag}" CXX_FLAG_FOUND) + + if(${CXX_FLAG_FOUND} EQUAL -1) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") + endif() +endmacro() + +# Adds $flag to the C and CXX compiler command lines. +macro(append_compiler_flag flag) + append_c_flag(${flag}) + append_cxx_flag(${flag}) +endmacro() + +# Adds $flag to the executable linker command line. +macro(append_exe_linker_flag flag) + unset(LINKER_FLAG_FOUND CACHE) + string(FIND "${CMAKE_EXE_LINKER_FLAGS}" "${flag}" LINKER_FLAG_FOUND) + + if(${LINKER_FLAG_FOUND} EQUAL -1) + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}") + endif() +endmacro() + +# Adds $flag to the link flags for $target. +function(append_link_flag_to_target target flags) + unset(target_link_flags) + get_target_property(target_link_flags ${target} LINK_FLAGS) + + if(target_link_flags) + unset(link_flag_found) + string(FIND "${target_link_flags}" "${flags}" link_flag_found) + + if(NOT ${link_flag_found} EQUAL -1) + return() + endif() + + set(target_link_flags "${target_link_flags} ${flags}") + else() + set(target_link_flags "${flags}") + endif() + + set_target_properties(${target} PROPERTIES LINK_FLAGS ${target_link_flags}) +endfunction() + +# Adds $flag to executable linker flags, and makes sure C/CXX builds still work. +macro(require_linker_flag flag) + append_exe_linker_flag(${flag}) + + unset(c_passed) + draco_check_c_compiles("LINKER_FLAG_C_TEST(${flag})" "" c_passed) + unset(cxx_passed) + draco_check_cxx_compiles("LINKER_FLAG_CXX_TEST(${flag})" "" cxx_passed) + + if(NOT c_passed OR NOT cxx_passed) + message(FATAL_ERROR "Linker flag test for ${flag} failed.") + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/compiler_tests.cmake b/src/mesh/assimp-master/contrib/draco/cmake/compiler_tests.cmake new file mode 100644 index 0000000..e781a65 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/compiler_tests.cmake @@ -0,0 +1,103 @@ +if(DRACO_CMAKE_COMPILER_TESTS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_COMPILER_TESTS_CMAKE_ 1) + +include(CheckCSourceCompiles) +include(CheckCXXSourceCompiles) + +# The basic main() macro used in all compile tests. +set(DRACO_C_MAIN "\nint main(void) { return 0; }") +set(DRACO_CXX_MAIN "\nint main() { return 0; }") + +# Strings containing the names of passed and failed tests. +set(DRACO_C_PASSED_TESTS) +set(DRACO_C_FAILED_TESTS) +set(DRACO_CXX_PASSED_TESTS) +set(DRACO_CXX_FAILED_TESTS) + +macro(draco_push_var var new_value) + set(SAVED_${var} ${var}) + set(${var} ${new_value}) +endmacro() + +macro(draco_pop_var var) + set(var ${SAVED_${var}}) + unset(SAVED_${var}) +endmacro() + +# Confirms $test_source compiles and stores $test_name in one of +# $DRACO_C_PASSED_TESTS or $DRACO_C_FAILED_TESTS depending on out come. When the +# test passes $result_var is set to 1. When it fails $result_var is unset. The +# test is not run if the test name is found in either of the passed or failed +# test variables. +macro(draco_check_c_compiles test_name test_source result_var) + unset(C_TEST_PASSED CACHE) + unset(C_TEST_FAILED CACHE) + string(FIND "${DRACO_C_PASSED_TESTS}" "${test_name}" C_TEST_PASSED) + string(FIND "${DRACO_C_FAILED_TESTS}" "${test_name}" C_TEST_FAILED) + if(${C_TEST_PASSED} EQUAL -1 AND ${C_TEST_FAILED} EQUAL -1) + unset(C_TEST_COMPILED CACHE) + message("Running C compiler test: ${test_name}") + check_c_source_compiles("${test_source} ${DRACO_C_MAIN}" C_TEST_COMPILED) + set(${result_var} ${C_TEST_COMPILED}) + + if(${C_TEST_COMPILED}) + set(DRACO_C_PASSED_TESTS "${DRACO_C_PASSED_TESTS} ${test_name}") + else() + set(DRACO_C_FAILED_TESTS "${DRACO_C_FAILED_TESTS} ${test_name}") + message("C Compiler test ${test_name} failed.") + endif() + elseif(NOT ${C_TEST_PASSED} EQUAL -1) + set(${result_var} 1) + else() # ${C_TEST_FAILED} NOT EQUAL -1 + unset(${result_var}) + endif() +endmacro() + +# Confirms $test_source compiles and stores $test_name in one of +# $DRACO_CXX_PASSED_TESTS or $DRACO_CXX_FAILED_TESTS depending on out come. When +# the test passes $result_var is set to 1. When it fails $result_var is unset. +# The test is not run if the test name is found in either of the passed or +# failed test variables. +macro(draco_check_cxx_compiles test_name test_source result_var) + unset(CXX_TEST_PASSED CACHE) + unset(CXX_TEST_FAILED CACHE) + string(FIND "${DRACO_CXX_PASSED_TESTS}" "${test_name}" CXX_TEST_PASSED) + string(FIND "${DRACO_CXX_FAILED_TESTS}" "${test_name}" CXX_TEST_FAILED) + if(${CXX_TEST_PASSED} EQUAL -1 AND ${CXX_TEST_FAILED} EQUAL -1) + unset(CXX_TEST_COMPILED CACHE) + message("Running CXX compiler test: ${test_name}") + check_cxx_source_compiles("${test_source} ${DRACO_CXX_MAIN}" + CXX_TEST_COMPILED) + set(${result_var} ${CXX_TEST_COMPILED}) + + if(${CXX_TEST_COMPILED}) + set(DRACO_CXX_PASSED_TESTS "${DRACO_CXX_PASSED_TESTS} ${test_name}") + else() + set(DRACO_CXX_FAILED_TESTS "${DRACO_CXX_FAILED_TESTS} ${test_name}") + message("CXX Compiler test ${test_name} failed.") + endif() + elseif(NOT ${CXX_TEST_PASSED} EQUAL -1) + set(${result_var} 1) + else() # ${CXX_TEST_FAILED} NOT EQUAL -1 + unset(${result_var}) + endif() +endmacro() + +# Convenience macro that confirms $test_source compiles as C and C++. +# $result_var is set to 1 when both tests are successful, and 0 when one or both +# tests fail. Note: This macro is intended to be used to write to result +# variables that are expanded via configure_file(). $result_var is set to 1 or 0 +# to allow direct usage of the value in generated source files. +macro(draco_check_source_compiles test_name test_source result_var) + unset(C_PASSED) + unset(CXX_PASSED) + draco_check_c_compiles(${test_name} ${test_source} C_PASSED) + draco_check_cxx_compiles(${test_name} ${test_source} CXX_PASSED) + if(${C_PASSED} AND ${CXX_PASSED}) + set(${result_var} 1) + else() + set(${result_var} 0) + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco-config.cmake.template b/src/mesh/assimp-master/contrib/draco/cmake/draco-config.cmake.template new file mode 100644 index 0000000..ca4a456 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco-config.cmake.template @@ -0,0 +1,2 @@ +set(DRACO_INCLUDE_DIRS "@DRACO_INCLUDE_DIRS@") +set(DRACO_LIBRARIES "draco") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco.pc.template b/src/mesh/assimp-master/contrib/draco/cmake/draco.pc.template new file mode 100644 index 0000000..b8ae482 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco.pc.template @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: @PROJECT_NAME@ +Description: Draco geometry de(com)pression library. +Version: @DRACO_VERSION@ +Cflags: -I${includedir} +Libs: -L${libdir} -ldraco +Libs.private: @CMAKE_THREAD_LIBS_INIT@ diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_build_definitions.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_build_definitions.cmake new file mode 100644 index 0000000..f7354c1 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_build_definitions.cmake @@ -0,0 +1,124 @@ +if(DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_ +set(DRACO_CMAKE_DRACO_BUILD_DEFINITIONS_CMAKE_ 1) + +# Utility for controlling the main draco library dependency. This changes in +# shared builds, and when an optional target requires a shared library build. +macro(set_draco_target) + if(MSVC) + set(draco_dependency draco) + set(draco_plugin_dependency ${draco_dependency}) + else() + if(BUILD_SHARED_LIBS) + set(draco_dependency draco_shared) + else() + set(draco_dependency draco_static) + endif() + set(draco_plugin_dependency draco_static) + endif() + + if(BUILD_SHARED_LIBS) + set(CMAKE_POSITION_INDEPENDENT_CODE ON) + endif() +endmacro() + +# Configures flags and sets build system globals. +macro(draco_set_build_definitions) + string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lowercase) + + if(build_type_lowercase MATCHES "rel" AND DRACO_FAST) + if(MSVC) + list(APPEND draco_msvc_cxx_flags "/Ox") + else() + list(APPEND draco_base_cxx_flags "-O3") + endif() + endif() + + draco_load_version_info() + set(DRACO_SOVERSION 1) + + list(APPEND draco_include_paths "${draco_root}" "${draco_root}/src" + "${draco_build}") + + if(DRACO_ABSL) + list(APPEND draco_include_path "${draco_root}/third_party/abseil-cpp") + endif() + + + list(APPEND draco_gtest_include_paths + "${draco_root}/../googletest/googlemock/include" + "${draco_root}/../googletest/googlemock" + "${draco_root}/../googletest/googletest/include" + "${draco_root}/../googletest/googletest") + list(APPEND draco_test_include_paths ${draco_include_paths} + ${draco_gtest_include_paths}) + list(APPEND draco_defines "DRACO_CMAKE=1" + "DRACO_FLAGS_SRCDIR=\"${draco_root}\"" + "DRACO_FLAGS_TMPDIR=\"/tmp\"") + + if(MSVC OR WIN32) + list(APPEND draco_defines "_CRT_SECURE_NO_DEPRECATE=1" "NOMINMAX=1") + + if(BUILD_SHARED_LIBS) + set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE) + endif() + else() + if(${CMAKE_SIZEOF_VOID_P} EQUAL 8) + # Ensure 64-bit platforms can support large files. + list(APPEND draco_defines "_LARGEFILE_SOURCE" "_FILE_OFFSET_BITS=64") + endif() + endif() + + if(ANDROID) + if(CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a") + set(CMAKE_ANDROID_ARM_MODE ON) + endif() + endif() + + set_draco_target() + + if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") + if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6") + # Quiet warnings in copy-list-initialization where {} elision has always + # been allowed. + list(APPEND draco_clang_cxx_flags "-Wno-missing-braces") + endif() + endif() + + if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "7") + if(CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7") + # Quiet gcc 6 vs 7 abi warnings: + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728 + list(APPEND draco_base_cxx_flags "-Wno-psabi") + list(APPEND ABSL_GCC_FLAGS "-Wno-psabi") + endif() + endif() + endif() + + # Source file names ending in these suffixes will have the appropriate + # compiler flags added to their compile commands to enable intrinsics. + set(draco_neon_source_file_suffix "neon.cc") + set(draco_sse4_source_file_suffix "sse4.cc") + + if((${CMAKE_CXX_COMPILER_ID} + STREQUAL + "GNU" + AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 5) + OR (${CMAKE_CXX_COMPILER_ID} + STREQUAL + "Clang" + AND ${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4)) + message( + WARNING "GNU/GCC < v5 or Clang/LLVM < v4, ENABLING COMPATIBILITY MODE.") + draco_enable_feature(FEATURE "DRACO_OLD_GCC") + endif() + + if(EMSCRIPTEN) + draco_check_emscripten_environment() + draco_get_required_emscripten_flags(FLAG_LIST_VAR draco_base_cxx_flags) + endif() + + draco_configure_sanitizer() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_cpu_detection.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_cpu_detection.cmake new file mode 100644 index 0000000..96e4a28 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_cpu_detection.cmake @@ -0,0 +1,28 @@ +if(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_ +set(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_ 1) + +# Detect optimizations available for the current target CPU. +macro(draco_optimization_detect) + if(DRACO_ENABLE_OPTIMIZATIONS) + string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" cpu_lowercase) + if(cpu_lowercase MATCHES "^arm|^aarch64") + set(draco_have_neon ON) + elseif(cpu_lowercase MATCHES "^x86|amd64") + set(draco_have_sse4 ON) + endif() + endif() + + if(draco_have_neon AND DRACO_ENABLE_NEON) + list(APPEND draco_defines "DRACO_ENABLE_NEON=1") + else() + list(APPEND draco_defines "DRACO_ENABLE_NEON=0") + endif() + + if(draco_have_sse4 AND DRACO_ENABLE_SSE4_1) + list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=1") + else() + list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=0") + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_emscripten.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_emscripten.cmake new file mode 100644 index 0000000..10c9350 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_emscripten.cmake @@ -0,0 +1,185 @@ +if(DRACO_CMAKE_DRACO_EMSCRIPTEN_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_EMSCRIPTEN_CMAKE_ + +# Checks environment for Emscripten prerequisites. +macro(draco_check_emscripten_environment) + if(NOT PYTHONINTERP_FOUND) + message( + FATAL_ERROR + "Python required for Emscripten builds, but cmake cannot find it.") + endif() + if(NOT EXISTS "$ENV{EMSCRIPTEN}") + message( + FATAL_ERROR + "The EMSCRIPTEN environment variable must be set. See README.md.") + endif() +endmacro() + +# Obtains the required Emscripten flags for Draco targets. +macro(draco_get_required_emscripten_flags) + set(em_FLAG_LIST_VAR) + set(em_flags) + set(em_single_arg_opts FLAG_LIST_VAR) + set(em_multi_arg_opts) + cmake_parse_arguments(em "${em_flags}" "${em_single_arg_opts}" + "${em_multi_arg_opts}" ${ARGN}) + if(NOT em_FLAG_LIST_VAR) + message(FATAL "draco_get_required_emscripten_flags: FLAG_LIST_VAR required") + endif() + + if(DRACO_JS_GLUE) + unset(required_flags) + list(APPEND ${em_FLAG_LIST_VAR} "-sALLOW_MEMORY_GROWTH=1") + list(APPEND ${em_FLAG_LIST_VAR} "-Wno-almost-asm") + list(APPEND ${em_FLAG_LIST_VAR} "--memory-init-file" "0") + list(APPEND ${em_FLAG_LIST_VAR} "-fno-omit-frame-pointer") + list(APPEND ${em_FLAG_LIST_VAR} "-sMODULARIZE=1") + list(APPEND ${em_FLAG_LIST_VAR} "-sNO_FILESYSTEM=1") + list(APPEND ${em_FLAG_LIST_VAR} "-sEXPORTED_RUNTIME_METHODS=[]") + list(APPEND ${em_FLAG_LIST_VAR} "-sPRECISE_F32=1") + list(APPEND ${em_FLAG_LIST_VAR} "-sNODEJS_CATCH_EXIT=0") + list(APPEND ${em_FLAG_LIST_VAR} "-sNODEJS_CATCH_REJECTION=0") + + if(DRACO_FAST) + list(APPEND ${em_FLAG_LIST_VAR} "--llvm-lto" "1") + endif() + if(DRACO_WASM) + list(APPEND ${em_FLAG_LIST_VAR} "-sWASM=1") + else() + list(APPEND ${em_FLAG_LIST_VAR} "-sWASM=0") + endif() + if(DRACO_IE_COMPATIBLE) + list(APPEND ${em_FLAG_LIST_VAR} "-sLEGACY_VM_SUPPORT=1") + endif() + endif() +endmacro() + +# Macro for generating C++ glue code from IDL for Emscripten targets. Executes +# python to generate the C++ binding, and establishes dendency: $OUTPUT_PATH.cpp +# on $INPUT_IDL. +macro(draco_generate_emscripten_glue) + set(glue_flags) + set(glue_single_arg_opts INPUT_IDL OUTPUT_PATH) + set(glue_multi_arg_opts) + cmake_parse_arguments(glue "${glue_flags}" "${glue_single_arg_opts}" + "${glue_multi_arg_opts}" ${ARGN}) + + if(DRACO_VERBOSE GREATER 1) + message("--------- draco_generate_emscripten_glue -----------\n" + "glue_INPUT_IDL=${glue_INPUT_IDL}\n" + "glue_OUTPUT_PATH=${glue_OUTPUT_PATH}\n" ] + "----------------------------------------------------\n") + endif() + + if(NOT glue_INPUT_IDL OR NOT glue_OUTPUT_PATH) + message( + FATAL_ERROR + "draco_generate_emscripten_glue: INPUT_IDL and OUTPUT_PATH required.") + endif() + + # Generate the glue source. + execute_process(COMMAND ${PYTHON_EXECUTABLE} + $ENV{EMSCRIPTEN}/tools/webidl_binder.py + ${glue_INPUT_IDL} ${glue_OUTPUT_PATH}) + if(NOT EXISTS "${glue_OUTPUT_PATH}.cpp") + message(FATAL_ERROR "JS glue generation failed for ${glue_INPUT_IDL}.") + endif() + + # Create a dependency so that it regenerated on edits. + add_custom_command(OUTPUT "${glue_OUTPUT_PATH}.cpp" + COMMAND ${PYTHON_EXECUTABLE} + $ENV{EMSCRIPTEN}/tools/webidl_binder.py + ${glue_INPUT_IDL} ${glue_OUTPUT_PATH} + DEPENDS ${draco_js_dec_idl} + COMMENT "Generating ${glue_OUTPUT_PATH}.cpp." + WORKING_DIRECTORY ${draco_build} + VERBATIM) +endmacro() + +# Wrapper for draco_add_executable() that handles the extra work necessary for +# emscripten targets when generating JS glue: +# +# ~~~ +# - Set source level dependency on the C++ binding. +# - Pre/Post link emscripten magic. +# +# Required args: +# - GLUE_PATH: Base path for glue file. Used to generate .cpp and .js files. +# - PRE_LINK_JS_SOURCES: em_link_pre_js() source files. +# - POST_LINK_JS_SOURCES: em_link_post_js() source files. +# Optional args: +# - FEATURES: +# ~~~ +macro(draco_add_emscripten_executable) + unset(emexe_NAME) + unset(emexe_FEATURES) + unset(emexe_SOURCES) + unset(emexe_DEFINES) + unset(emexe_INCLUDES) + unset(emexe_LINK_FLAGS) + set(optional_args) + set(single_value_args NAME GLUE_PATH) + set(multi_value_args SOURCES DEFINES FEATURES INCLUDES LINK_FLAGS + PRE_LINK_JS_SOURCES POST_LINK_JS_SOURCES) + + cmake_parse_arguments(emexe "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT + (emexe_GLUE_PATH + AND emexe_POST_LINK_JS_SOURCES + AND emexe_PRE_LINK_JS_SOURCES)) + message(FATAL + "draco_add_emscripten_executable: GLUE_PATH PRE_LINK_JS_SOURCES " + "POST_LINK_JS_SOURCES args required.") + endif() + + if(DRACO_VERBOSE GREATER 1) + message("--------- draco_add_emscripten_executable ---------\n" + "emexe_NAME=${emexe_NAME}\n" + "emexe_SOURCES=${emexe_SOURCES}\n" + "emexe_DEFINES=${emexe_DEFINES}\n" + "emexe_INCLUDES=${emexe_INCLUDES}\n" + "emexe_LINK_FLAGS=${emexe_LINK_FLAGS}\n" + "emexe_GLUE_PATH=${emexe_GLUE_PATH}\n" + "emexe_FEATURES=${emexe_FEATURES}\n" + "emexe_PRE_LINK_JS_SOURCES=${emexe_PRE_LINK_JS_SOURCES}\n" + "emexe_POST_LINK_JS_SOURCES=${emexe_POST_LINK_JS_SOURCES}\n" + "----------------------------------------------------\n") + endif() + + # The Emscripten linker needs the C++ flags in addition to whatever has been + # passed in with the target. + list(APPEND emexe_LINK_FLAGS ${DRACO_CXX_FLAGS}) + + if(DRACO_GLTF) + draco_add_executable(NAME + ${emexe_NAME} + OUTPUT_NAME + ${emexe_NAME}_gltf + SOURCES + ${emexe_SOURCES} + DEFINES + ${emexe_DEFINES} + INCLUDES + ${emexe_INCLUDES} + LINK_FLAGS + ${emexe_LINK_FLAGS}) + else() + draco_add_executable(NAME ${emexe_NAME} SOURCES ${emexe_SOURCES} DEFINES + ${emexe_DEFINES} INCLUDES ${emexe_INCLUDES} LINK_FLAGS + ${emexe_LINK_FLAGS}) + endif() + + foreach(feature ${emexe_FEATURES}) + draco_enable_feature(FEATURE ${feature} TARGETS ${emexe_NAME}) + endforeach() + + set_property(SOURCE ${emexe_SOURCES} + APPEND + PROPERTY OBJECT_DEPENDS "${emexe_GLUE_PATH}.cpp") + em_link_pre_js(${emexe_NAME} ${emexe_PRE_LINK_JS_SOURCES}) + em_link_post_js(${emexe_NAME} "${emexe_GLUE_PATH}.js" + ${emexe_POST_LINK_JS_SOURCES}) +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_flags.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_flags.cmake new file mode 100644 index 0000000..0397859 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_flags.cmake @@ -0,0 +1,247 @@ +if(DRACO_CMAKE_DRACO_FLAGS_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_FLAGS_CMAKE_ +set(DRACO_CMAKE_DRACO_FLAGS_CMAKE_ 1) + +include(CheckCXXCompilerFlag) +include(CheckCXXSourceCompiles) + +# Adds compiler flags specified by FLAGS to the sources specified by SOURCES: +# +# draco_set_compiler_flags_for_sources(SOURCES <sources> FLAGS <flags>) +macro(draco_set_compiler_flags_for_sources) + unset(compiler_SOURCES) + unset(compiler_FLAGS) + unset(optional_args) + unset(single_value_args) + set(multi_value_args SOURCES FLAGS) + cmake_parse_arguments(compiler "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT (compiler_SOURCES AND compiler_FLAGS)) + draco_die("draco_set_compiler_flags_for_sources: SOURCES and " + "FLAGS required.") + endif() + + set_source_files_properties(${compiler_SOURCES} PROPERTIES COMPILE_FLAGS + ${compiler_FLAGS}) + + if(DRACO_VERBOSE GREATER 1) + foreach(source ${compiler_SOURCES}) + foreach(flag ${compiler_FLAGS}) + message("draco_set_compiler_flags_for_sources: source:${source} " + "flag:${flag}") + endforeach() + endforeach() + endif() +endmacro() + +# Tests compiler flags stored in list(s) specified by FLAG_LIST_VAR_NAMES, adds +# flags to $DRACO_CXX_FLAGS when tests pass. Terminates configuration if +# FLAG_REQUIRED is specified and any flag check fails. +# +# ~~~ +# draco_test_cxx_flag(<FLAG_LIST_VAR_NAMES <flag list variable(s)>> +# [FLAG_REQUIRED]) +# ~~~ +macro(draco_test_cxx_flag) + unset(cxx_test_FLAG_LIST_VAR_NAMES) + unset(cxx_test_FLAG_REQUIRED) + unset(single_value_args) + set(optional_args FLAG_REQUIRED) + set(multi_value_args FLAG_LIST_VAR_NAMES) + cmake_parse_arguments(cxx_test "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT cxx_test_FLAG_LIST_VAR_NAMES) + draco_die("draco_test_cxx_flag: FLAG_LIST_VAR_NAMES required") + endif() + + unset(cxx_flags) + foreach(list_var ${cxx_test_FLAG_LIST_VAR_NAMES}) + if(DRACO_VERBOSE) + message("draco_test_cxx_flag: adding ${list_var} to cxx_flags") + endif() + list(APPEND cxx_flags ${${list_var}}) + endforeach() + + if(DRACO_VERBOSE) + message("CXX test: all flags: ${cxx_flags}") + endif() + + unset(all_cxx_flags) + list(APPEND all_cxx_flags ${DRACO_CXX_FLAGS} ${cxx_flags}) + + # Turn off output from check_cxx_source_compiles. Print status directly + # instead since the logging messages from check_cxx_source_compiles can be + # quite confusing. + set(CMAKE_REQUIRED_QUIET TRUE) + + # Run the actual compile test. + unset(draco_all_cxx_flags_pass CACHE) + message("--- Running combined CXX flags test, flags: ${all_cxx_flags}") + + # check_cxx_compiler_flag() requires that the flags are a string. When flags + # are passed as a list it will remove the list separators, and attempt to run + # a compile command using list entries concatenated together as a single + # argument. Avoid the problem by forcing the argument to be a string. + draco_set_and_stringify(SOURCE_VARS all_cxx_flags DEST all_cxx_flags) + check_cxx_compiler_flag("${all_cxx_flags}" draco_all_cxx_flags_pass) + + if(cxx_test_FLAG_REQUIRED AND NOT draco_all_cxx_flags_pass) + draco_die("Flag test failed for required flag(s): " + "${all_cxx_flags} and FLAG_REQUIRED specified.") + endif() + + if(draco_all_cxx_flags_pass) + # Test passed: update the global flag list used by the draco target creation + # wrappers. + set(DRACO_CXX_FLAGS ${cxx_flags}) + list(REMOVE_DUPLICATES DRACO_CXX_FLAGS) + + if(DRACO_VERBOSE) + message("DRACO_CXX_FLAGS=${DRACO_CXX_FLAGS}") + endif() + + message("--- Passed combined CXX flags test") + else() + message("--- Failed combined CXX flags test, testing flags individually.") + + if(cxx_flags) + message("--- Testing flags from $cxx_flags: " "${cxx_flags}") + foreach(cxx_flag ${cxx_flags}) + # Since 3.17.0 check_cxx_compiler_flag() sets a normal variable at + # parent scope while check_cxx_source_compiles() continues to set an + # internal cache variable, so we unset both to avoid the failure / + # success state persisting between checks. This has been fixed in newer + # CMake releases, but 3.17 is pretty common: we will need this to avoid + # weird build breakages while the fix propagates. + unset(cxx_flag_test_passed) + unset(cxx_flag_test_passed CACHE) + message("--- Testing flag: ${cxx_flag}") + check_cxx_compiler_flag("${cxx_flag}" cxx_flag_test_passed) + + if(cxx_flag_test_passed) + message("--- Passed test for ${cxx_flag}") + else() + list(REMOVE_ITEM cxx_flags ${cxx_flag}) + message("--- Failed test for ${cxx_flag}, flag removed.") + endif() + endforeach() + + set(DRACO_CXX_FLAGS ${cxx_flags}) + endif() + endif() + + if(DRACO_CXX_FLAGS) + list(REMOVE_DUPLICATES DRACO_CXX_FLAGS) + endif() +endmacro() + +# Tests executable linker flags stored in list specified by FLAG_LIST_VAR_NAME, +# adds flags to $DRACO_EXE_LINKER_FLAGS when test passes. Terminates +# configuration when flag check fails. draco_set_cxx_flags() must be called +# before calling this macro because it assumes $DRACO_CXX_FLAGS contains only +# valid CXX flags. +# +# draco_test_exe_linker_flag(<FLAG_LIST_VAR_NAME <flag list variable)>) +macro(draco_test_exe_linker_flag) + unset(link_FLAG_LIST_VAR_NAME) + unset(optional_args) + unset(multi_value_args) + set(single_value_args FLAG_LIST_VAR_NAME) + cmake_parse_arguments(link "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT link_FLAG_LIST_VAR_NAME) + draco_die("draco_test_link_flag: FLAG_LIST_VAR_NAME required") + endif() + + draco_set_and_stringify(DEST linker_flags SOURCE_VARS + ${link_FLAG_LIST_VAR_NAME}) + + if(DRACO_VERBOSE) + message("EXE LINKER test: all flags: ${linker_flags}") + endif() + + # Tests of $DRACO_CXX_FLAGS have already passed. Include them with the linker + # test. + draco_set_and_stringify(DEST CMAKE_REQUIRED_FLAGS SOURCE_VARS DRACO_CXX_FLAGS) + + # Cache the global exe linker flags. + if(CMAKE_EXE_LINKER_FLAGS) + set(cached_CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS}) + draco_set_and_stringify(DEST CMAKE_EXE_LINKER_FLAGS SOURCE ${linker_flags}) + endif() + + draco_set_and_stringify(DEST CMAKE_EXE_LINKER_FLAGS SOURCE ${linker_flags} + ${CMAKE_EXE_LINKER_FLAGS}) + + # Turn off output from check_cxx_source_compiles. Print status directly + # instead since the logging messages from check_cxx_source_compiles can be + # quite confusing. + set(CMAKE_REQUIRED_QUIET TRUE) + + message("--- Running EXE LINKER test for flags: ${linker_flags}") + + unset(linker_flag_test_passed CACHE) + set(draco_cxx_main "\nint main() { return 0; }") + check_cxx_source_compiles("${draco_cxx_main}" linker_flag_test_passed) + + if(NOT linker_flag_test_passed) + draco_die("EXE LINKER test failed.") + endif() + + message("--- Passed EXE LINKER flag test.") + + # Restore cached global exe linker flags. + if(cached_CMAKE_EXE_LINKER_FLAGS) + set(CMAKE_EXE_LINKER_FLAGS ${cached_CMAKE_EXE_LINKER_FLAGS}) + else() + unset(CMAKE_EXE_LINKER_FLAGS) + endif() + + list(APPEND DRACO_EXE_LINKER_FLAGS ${${link_FLAG_LIST_VAR_NAME}}) + list(REMOVE_DUPLICATES DRACO_EXE_LINKER_FLAGS) +endmacro() + +# Runs the draco compiler tests. This macro builds up the list of list var(s) +# that is passed to draco_test_cxx_flag(). +# +# Note: draco_set_build_definitions() must be called before this macro. +macro(draco_set_cxx_flags) + unset(cxx_flag_lists) + + if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU") + list(APPEND cxx_flag_lists draco_base_cxx_flags) + endif() + + # Append clang flags after the base set to allow -Wno* overrides to take + # effect. Some of the base flags may enable a large set of warnings, e.g., + # -Wall. + if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + list(APPEND cxx_flag_lists draco_clang_cxx_flags) + endif() + + if(MSVC) + list(APPEND cxx_flag_lists draco_msvc_cxx_flags) + endif() + + draco_set_and_stringify(DEST cxx_flags SOURCE_VARS ${cxx_flag_lists}) + if(DRACO_VERBOSE) + message("draco_set_cxx_flags: internal CXX flags: ${cxx_flags}") + endif() + + if(DRACO_CXX_FLAGS) + list(APPEND cxx_flag_lists DRACO_CXX_FLAGS) + if(DRACO_VERBOSE) + message("draco_set_cxx_flags: user CXX flags: ${DRACO_CXX_FLAGS}") + endif() + endif() + + draco_set_and_stringify(DEST cxx_flags SOURCE_VARS ${cxx_flag_lists}) + + if(cxx_flags) + draco_test_cxx_flag(FLAG_LIST_VAR_NAMES ${cxx_flag_lists}) + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_helpers.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_helpers.cmake new file mode 100644 index 0000000..0b3b804 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_helpers.cmake @@ -0,0 +1,110 @@ +if(DRACO_CMAKE_DRACO_HELPERS_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_HELPERS_CMAKE_ +set(DRACO_CMAKE_DRACO_HELPERS_CMAKE_ 1) + +# Kills build generation using message(FATAL_ERROR) and outputs all data passed +# to the console via use of $ARGN. +macro(draco_die) + message(FATAL_ERROR ${ARGN}) +endmacro() + +# Converts semi-colon delimited list variable(s) to string. Output is written to +# variable supplied via the DEST parameter. Input is from an expanded variable +# referenced by SOURCE and/or variable(s) referenced by SOURCE_VARS. +macro(draco_set_and_stringify) + set(optional_args) + set(single_value_args DEST SOURCE_VAR) + set(multi_value_args SOURCE SOURCE_VARS) + cmake_parse_arguments(sas "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT sas_DEST OR NOT (sas_SOURCE OR sas_SOURCE_VARS)) + draco_die("draco_set_and_stringify: DEST and at least one of SOURCE " + "SOURCE_VARS required.") + endif() + + unset(${sas_DEST}) + + if(sas_SOURCE) + # $sas_SOURCE is one or more expanded variables, just copy the values to + # $sas_DEST. + set(${sas_DEST} "${sas_SOURCE}") + endif() + + if(sas_SOURCE_VARS) + # $sas_SOURCE_VARS is one or more variable names. Each iteration expands a + # variable and appends it to $sas_DEST. + foreach(source_var ${sas_SOURCE_VARS}) + set(${sas_DEST} "${${sas_DEST}} ${${source_var}}") + endforeach() + + # Because $sas_DEST can be empty when entering this scope leading whitespace + # can be introduced to $sas_DEST on the first iteration of the above loop. + # Remove it: + string(STRIP "${${sas_DEST}}" ${sas_DEST}) + endif() + + # Lists in CMake are simply semicolon delimited strings, so stringification is + # just a find and replace of the semicolon. + string(REPLACE ";" " " ${sas_DEST} "${${sas_DEST}}") + + if(DRACO_VERBOSE GREATER 1) + message("draco_set_and_stringify: ${sas_DEST}=${${sas_DEST}}") + endif() +endmacro() + +# Creates a dummy source file in $DRACO_GENERATED_SOURCES_DIRECTORY and adds it +# to the specified target. Optionally adds its path to a list variable. +# +# draco_create_dummy_source_file(<TARGET <target> BASENAME <basename of file>> +# [LISTVAR <list variable>]) +macro(draco_create_dummy_source_file) + set(optional_args) + set(single_value_args TARGET BASENAME LISTVAR) + set(multi_value_args) + cmake_parse_arguments(cdsf "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT cdsf_TARGET OR NOT cdsf_BASENAME) + draco_die("draco_create_dummy_source_file: TARGET and BASENAME required.") + endif() + + if(NOT DRACO_GENERATED_SOURCES_DIRECTORY) + set(DRACO_GENERATED_SOURCES_DIRECTORY "${draco_build}/gen_src") + endif() + + set(dummy_source_dir "${DRACO_GENERATED_SOURCES_DIRECTORY}") + set(dummy_source_file + "${dummy_source_dir}/draco_${cdsf_TARGET}_${cdsf_BASENAME}.cc") + set(dummy_source_code + "// Generated file. DO NOT EDIT!\n" + "// C++ source file created for target ${cdsf_TARGET}.\n" + "void draco_${cdsf_TARGET}_${cdsf_BASENAME}_dummy_function(void)\;\n" + "void draco_${cdsf_TARGET}_${cdsf_BASENAME}_dummy_function(void) {}\n") + file(WRITE "${dummy_source_file}" ${dummy_source_code}) + + target_sources(${cdsf_TARGET} PRIVATE ${dummy_source_file}) + + if(cdsf_LISTVAR) + list(APPEND ${cdsf_LISTVAR} "${dummy_source_file}") + endif() +endmacro() + +# Loads the version string from $draco_source/draco/version.h and sets +# $DRACO_VERSION. +macro(draco_load_version_info) + file(STRINGS "${draco_src_root}/core/draco_version.h" version_file_strings) + foreach(str ${version_file_strings}) + if(str MATCHES "char kDracoVersion") + string(FIND "${str}" "\"" open_quote_pos) + string(FIND "${str}" ";" semicolon_pos) + math(EXPR open_quote_pos "${open_quote_pos} + 1") + math(EXPR close_quote_pos "${semicolon_pos} - 1") + math(EXPR version_string_length "${close_quote_pos} - ${open_quote_pos}") + string(SUBSTRING "${str}" ${open_quote_pos} ${version_string_length} + DRACO_VERSION) + break() + endif() + endforeach() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_install.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_install.cmake new file mode 100644 index 0000000..09bfb59 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_install.cmake @@ -0,0 +1,79 @@ +if(DRACO_CMAKE_DRACO_INSTALL_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_INSTALL_CMAKE_ +set(DRACO_CMAKE_DRACO_INSTALL_CMAKE_ 1) + +# Sets up the draco install targets. Must be called after the static library +# target is created. +macro(draco_setup_install_target) + include(GNUInstallDirs) + + # pkg-config: draco.pc + set(prefix "${CMAKE_INSTALL_PREFIX}") + set(exec_prefix "\${prefix}") + set(libdir "\${prefix}/${CMAKE_INSTALL_LIBDIR}") + set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}") + set(draco_lib_name "draco") + + configure_file("${draco_root}/cmake/draco.pc.template" + "${draco_build}/draco.pc" @ONLY NEWLINE_STYLE UNIX) + install(FILES "${draco_build}/draco.pc" + DESTINATION "${prefix}/${CMAKE_INSTALL_LIBDIR}/pkgconfig") + + # CMake config: draco-config.cmake + set(DRACO_INCLUDE_DIRS "${prefix}/${CMAKE_INSTALL_INCLUDEDIR}") + configure_file("${draco_root}/cmake/draco-config.cmake.template" + "${draco_build}/draco-config.cmake" @ONLY NEWLINE_STYLE UNIX) + install( + FILES "${draco_build}/draco-config.cmake" + DESTINATION "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATAROOTDIR}/cmake") + + foreach(file ${draco_sources}) + if(file MATCHES "h$") + list(APPEND draco_api_includes ${file}) + endif() + endforeach() + + # Strip $draco_src_root from the file paths: we need to install relative to + # $include_directory. + list(TRANSFORM draco_api_includes REPLACE "${draco_src_root}/" "") + set(include_directory "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}") + + foreach(draco_api_include ${draco_api_includes}) + get_filename_component(file_directory ${draco_api_include} DIRECTORY) + set(target_directory "${include_directory}/draco/${file_directory}") + install(FILES ${draco_src_root}/${draco_api_include} + DESTINATION "${target_directory}") + endforeach() + + install( + FILES "${draco_build}/draco/draco_features.h" + DESTINATION "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/draco/") + + install(TARGETS draco_decoder DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}") + install(TARGETS draco_encoder DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}") + + if(MSVC) + install(TARGETS draco DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}") + else() + install(TARGETS draco_static DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}") + if(BUILD_SHARED_LIBS) + install(TARGETS draco_shared DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}") + endif() + endif() + + if(DRACO_UNITY_PLUGIN) + install(TARGETS dracodec_unity DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}") + endif() + if(DRACO_MAYA_PLUGIN) + install(TARGETS draco_maya_wrapper DESTINATION + "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}") + endif() + +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_intrinsics.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_intrinsics.cmake new file mode 100644 index 0000000..9011c0d --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_intrinsics.cmake @@ -0,0 +1,96 @@ +if(DRACO_CMAKE_DRACO_INTRINSICS_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_INTRINSICS_CMAKE_ +set(DRACO_CMAKE_DRACO_INTRINSICS_CMAKE_ 1) + +# Returns the compiler flag for the SIMD intrinsics suffix specified by the +# SUFFIX argument via the variable specified by the VARIABLE argument: +# draco_get_intrinsics_flag_for_suffix(SUFFIX <suffix> VARIABLE <var name>) +macro(draco_get_intrinsics_flag_for_suffix) + unset(intrinsics_SUFFIX) + unset(intrinsics_VARIABLE) + unset(optional_args) + unset(multi_value_args) + set(single_value_args SUFFIX VARIABLE) + cmake_parse_arguments(intrinsics "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT (intrinsics_SUFFIX AND intrinsics_VARIABLE)) + message(FATAL_ERROR "draco_get_intrinsics_flag_for_suffix: SUFFIX and " + "VARIABLE required.") + endif() + + if(intrinsics_SUFFIX MATCHES "neon") + if(NOT MSVC) + set(${intrinsics_VARIABLE} "${DRACO_NEON_INTRINSICS_FLAG}") + endif() + elseif(intrinsics_SUFFIX MATCHES "sse4") + if(NOT MSVC) + set(${intrinsics_VARIABLE} "-msse4.1") + endif() + else() + message(FATAL_ERROR "draco_get_intrinsics_flag_for_suffix: Unknown " + "instrinics suffix: ${intrinsics_SUFFIX}") + endif() + + if(DRACO_VERBOSE GREATER 1) + message("draco_get_intrinsics_flag_for_suffix: " + "suffix:${intrinsics_SUFFIX} flag:${${intrinsics_VARIABLE}}") + endif() +endmacro() + +# Processes source files specified by SOURCES and adds intrinsics flags as +# necessary: draco_process_intrinsics_sources(SOURCES <sources>) +# +# Detects requirement for intrinsics flags using source file name suffix. +# Currently supports only SSE4.1. +macro(draco_process_intrinsics_sources) + unset(arg_TARGET) + unset(arg_SOURCES) + unset(optional_args) + set(single_value_args TARGET) + set(multi_value_args SOURCES) + cmake_parse_arguments(arg "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + if(NOT (arg_TARGET AND arg_SOURCES)) + message(FATAL_ERROR "draco_process_intrinsics_sources: TARGET and " + "SOURCES required.") + endif() + + if(DRACO_ENABLE_SSE4_1 AND draco_have_sse4) + unset(sse4_sources) + list(APPEND sse4_sources ${arg_SOURCES}) + + list(FILTER sse4_sources INCLUDE REGEX + "${draco_sse4_source_file_suffix}$") + + if(sse4_sources) + unset(sse4_flags) + draco_get_intrinsics_flag_for_suffix(SUFFIX + ${draco_sse4_source_file_suffix} + VARIABLE sse4_flags) + if(sse4_flags) + draco_set_compiler_flags_for_sources(SOURCES ${sse4_sources} FLAGS + ${sse4_flags}) + endif() + endif() + endif() + + if(DRACO_ENABLE_NEON AND draco_have_neon) + unset(neon_sources) + list(APPEND neon_sources ${arg_SOURCES}) + list(FILTER neon_sources INCLUDE REGEX + "${draco_neon_source_file_suffix}$") + + if(neon_sources AND DRACO_NEON_INTRINSICS_FLAG) + unset(neon_flags) + draco_get_intrinsics_flag_for_suffix(SUFFIX + ${draco_neon_source_file_suffix} + VARIABLE neon_flags) + if(neon_flags) + draco_set_compiler_flags_for_sources(SOURCES ${neon_sources} FLAGS + ${neon_flags}) + endif() + endif() + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_options.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_options.cmake new file mode 100644 index 0000000..832bfb6 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_options.cmake @@ -0,0 +1,239 @@ +if(DRACO_CMAKE_DRACO_OPTIONS_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_OPTIONS_CMAKE_ +set(DRACO_CMAKE_DRACO_OPTIONS_CMAKE_) + +set(draco_features_file_name "${draco_build}/draco/draco_features.h") +set(draco_features_list) + +# Simple wrapper for CMake's builtin option command that tracks draco's build +# options in the list variable $draco_options. +macro(draco_option) + unset(option_NAME) + unset(option_HELPSTRING) + unset(option_VALUE) + unset(optional_args) + unset(multi_value_args) + set(single_value_args NAME HELPSTRING VALUE) + cmake_parse_arguments(option "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(NOT (option_NAME AND option_HELPSTRING AND DEFINED option_VALUE)) + message(FATAL_ERROR "draco_option: NAME HELPSTRING and VALUE required.") + endif() + + option(${option_NAME} ${option_HELPSTRING} ${option_VALUE}) + + if(DRACO_VERBOSE GREATER 2) + message("--------- draco_option ---------\n" "option_NAME=${option_NAME}\n" + "option_HELPSTRING=${option_HELPSTRING}\n" + "option_VALUE=${option_VALUE}\n" + "------------------------------------------\n") + endif() + + list(APPEND draco_options ${option_NAME}) + list(REMOVE_DUPLICATES draco_options) +endmacro() + +# Dumps the $draco_options list via CMake message command. +macro(draco_dump_options) + foreach(option_name ${draco_options}) + message("${option_name}: ${${option_name}}") + endforeach() +endmacro() + +# Set default options. +macro(draco_set_default_options) + draco_option(NAME DRACO_FAST HELPSTRING "Try to build faster libs." VALUE OFF) + draco_option(NAME DRACO_JS_GLUE HELPSTRING + "Enable JS Glue and JS targets when using Emscripten." VALUE ON) + draco_option(NAME DRACO_IE_COMPATIBLE HELPSTRING + "Enable support for older IE builds when using Emscripten." VALUE + OFF) + draco_option(NAME DRACO_MESH_COMPRESSION HELPSTRING "Enable mesh compression." + VALUE ON) + draco_option(NAME DRACO_POINT_CLOUD_COMPRESSION HELPSTRING + "Enable point cloud compression." VALUE ON) + draco_option(NAME DRACO_PREDICTIVE_EDGEBREAKER HELPSTRING + "Enable predictive edgebreaker." VALUE ON) + draco_option(NAME DRACO_STANDARD_EDGEBREAKER HELPSTRING + "Enable stand edgebreaker." VALUE ON) + draco_option(NAME DRACO_BACKWARDS_COMPATIBILITY HELPSTRING + "Enable backwards compatibility." VALUE ON) + draco_option(NAME DRACO_DECODER_ATTRIBUTE_DEDUPLICATION HELPSTRING + "Enable attribute deduping." VALUE OFF) + draco_option(NAME DRACO_TESTS HELPSTRING "Enables tests." VALUE OFF) + draco_option(NAME DRACO_WASM HELPSTRING "Enables WASM support." VALUE OFF) + draco_option(NAME DRACO_UNITY_PLUGIN HELPSTRING + "Build plugin library for Unity." VALUE OFF) + draco_option(NAME DRACO_ANIMATION_ENCODING HELPSTRING "Enable animation." + VALUE OFF) + draco_option(NAME DRACO_GLTF HELPSTRING "Support GLTF." VALUE OFF) + draco_option(NAME DRACO_MAYA_PLUGIN HELPSTRING + "Build plugin library for Maya." VALUE OFF) + draco_check_deprecated_options() +endmacro() + +# Warns when a deprecated option is used and sets the option that replaced it. +macro(draco_handle_deprecated_option) + unset(option_OLDNAME) + unset(option_NEWNAME) + unset(optional_args) + unset(multi_value_args) + set(single_value_args OLDNAME NEWNAME) + cmake_parse_arguments(option "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if("${${option_OLDNAME}}") + message(WARNING "${option_OLDNAME} is deprecated. Use ${option_NEWNAME}.") + set(${option_NEWNAME} ${${option_OLDNAME}}) + endif() +endmacro() + +# Checks for use of deprecated options. +macro(draco_check_deprecated_options) + draco_handle_deprecated_option(OLDNAME ENABLE_EXTRA_SPEED NEWNAME DRACO_FAST) + draco_handle_deprecated_option(OLDNAME ENABLE_JS_GLUE NEWNAME DRACO_JS_GLUE) + draco_handle_deprecated_option(OLDNAME ENABLE_MESH_COMPRESSION NEWNAME + DRACO_MESH_COMPRESSION) + draco_handle_deprecated_option(OLDNAME ENABLE_POINT_CLOUD_COMPRESSION NEWNAME + DRACO_POINT_CLOUD_COMPRESSION) + draco_handle_deprecated_option(OLDNAME ENABLE_PREDICTIVE_EDGEBREAKER NEWNAME + DRACO_PREDICTIVE_EDGEBREAKER) + draco_handle_deprecated_option(OLDNAME ENABLE_STANDARD_EDGEBREAKER NEWNAME + DRACO_STANDARD_EDGEBREAKER) + draco_handle_deprecated_option(OLDNAME ENABLE_BACKWARDS_COMPATIBILITY NEWNAME + DRACO_BACKWARDS_COMPATIBILITY) + draco_handle_deprecated_option(OLDNAME ENABLE_DECODER_ATTRIBUTE_DEDUPLICATION + NEWNAME DRACO_DECODER_ATTRIBUTE_DEDUPLICATION) + draco_handle_deprecated_option(OLDNAME ENABLE_TESTS NEWNAME DRACO_TESTS) + draco_handle_deprecated_option(OLDNAME ENABLE_WASM NEWNAME DRACO_WASM) + draco_handle_deprecated_option(OLDNAME BUILD_UNITY_PLUGIN NEWNAME + DRACO_UNITY_PLUGIN) + draco_handle_deprecated_option(OLDNAME BUILD_ANIMATION_ENCODING NEWNAME + DRACO_ANIMATION_ENCODING) + draco_handle_deprecated_option(OLDNAME BUILD_FOR_GLTF NEWNAME DRACO_GLTF) + draco_handle_deprecated_option(OLDNAME BUILD_MAYA_PLUGIN NEWNAME + DRACO_MAYA_PLUGIN) + draco_handle_deprecated_option(OLDNAME BUILD_USD_PLUGIN NEWNAME + BUILD_SHARED_LIBS) + +endmacro() + +# Macro for setting Draco features based on user configuration. Features enabled +# by this macro are Draco global. +macro(draco_set_optional_features) + if(DRACO_GLTF) + # Override settings when building for GLTF. + draco_enable_feature(FEATURE "DRACO_MESH_COMPRESSION_SUPPORTED") + draco_enable_feature(FEATURE "DRACO_NORMAL_ENCODING_SUPPORTED") + draco_enable_feature(FEATURE "DRACO_STANDARD_EDGEBREAKER_SUPPORTED") + else() + if(DRACO_POINT_CLOUD_COMPRESSION) + draco_enable_feature(FEATURE "DRACO_POINT_CLOUD_COMPRESSION_SUPPORTED") + endif() + if(DRACO_MESH_COMPRESSION) + draco_enable_feature(FEATURE "DRACO_MESH_COMPRESSION_SUPPORTED") + draco_enable_feature(FEATURE "DRACO_NORMAL_ENCODING_SUPPORTED") + + if(DRACO_STANDARD_EDGEBREAKER) + draco_enable_feature(FEATURE "DRACO_STANDARD_EDGEBREAKER_SUPPORTED") + endif() + if(DRACO_PREDICTIVE_EDGEBREAKER) + draco_enable_feature(FEATURE "DRACO_PREDICTIVE_EDGEBREAKER_SUPPORTED") + endif() + endif() + + if(DRACO_BACKWARDS_COMPATIBILITY) + draco_enable_feature(FEATURE "DRACO_BACKWARDS_COMPATIBILITY_SUPPORTED") + endif() + + + if(NOT EMSCRIPTEN) + # For now, enable deduplication for both encoder and decoder. + # TODO(ostava): Support for disabling attribute deduplication for the C++ + # decoder is planned in future releases. + draco_enable_feature(FEATURE + DRACO_ATTRIBUTE_INDICES_DEDUPLICATION_SUPPORTED) + draco_enable_feature(FEATURE + DRACO_ATTRIBUTE_VALUES_DEDUPLICATION_SUPPORTED) + endif() + endif() + + if(DRACO_UNITY_PLUGIN) + draco_enable_feature(FEATURE "DRACO_UNITY_PLUGIN") + set(CMAKE_POSITION_INDEPENDENT_CODE ON) + endif() + + if(DRACO_MAYA_PLUGIN) + draco_enable_feature(FEATURE "DRACO_MAYA_PLUGIN") + set(CMAKE_POSITION_INDEPENDENT_CODE ON) + endif() + +endmacro() + +# Macro that handles tracking of Draco preprocessor symbols for the purpose of +# producing draco_features.h. +# +# ~~~ +# draco_enable_feature(FEATURE <feature_name> [TARGETS <target_name>]) +# ~~~ +# +# FEATURE is required. It should be a Draco preprocessor symbol. TARGETS is +# optional. It can be one or more draco targets. +# +# When the TARGETS argument is not present the preproc symbol is added to +# draco_features.h. When it is draco_features.h is unchanged, and +# target_compile_options() is called for each target specified. +macro(draco_enable_feature) + set(def_flags) + set(def_single_arg_opts FEATURE) + set(def_multi_arg_opts TARGETS) + cmake_parse_arguments(DEF "${def_flags}" "${def_single_arg_opts}" + "${def_multi_arg_opts}" ${ARGN}) + if("${DEF_FEATURE}" STREQUAL "") + message(FATAL_ERROR "Empty FEATURE passed to draco_enable_feature().") + endif() + + # Do nothing/return early if $DEF_FEATURE is already in the list. + list(FIND draco_features_list ${DEF_FEATURE} df_index) + if(NOT df_index EQUAL -1) + return() + endif() + + list(LENGTH DEF_TARGETS df_targets_list_length) + if(${df_targets_list_length} EQUAL 0) + list(APPEND draco_features_list ${DEF_FEATURE}) + else() + foreach(target ${DEF_TARGETS}) + target_compile_definitions(${target} PRIVATE ${DEF_FEATURE}) + endforeach() + endif() +endmacro() + +# Function for generating draco_features.h. +function(draco_generate_features_h) + file(WRITE "${draco_features_file_name}.new" + "// GENERATED FILE -- DO NOT EDIT\n\n" "#ifndef DRACO_FEATURES_H_\n" + "#define DRACO_FEATURES_H_\n\n") + + foreach(feature ${draco_features_list}) + file(APPEND "${draco_features_file_name}.new" "#define ${feature}\n") + endforeach() + + file(APPEND "${draco_features_file_name}.new" + "\n#endif // DRACO_FEATURES_H_") + + # Will replace ${draco_features_file_name} only if the file content has + # changed. This prevents forced Draco rebuilds after CMake runs. + configure_file("${draco_features_file_name}.new" + "${draco_features_file_name}") + file(REMOVE "${draco_features_file_name}.new") +endfunction() + +# Sets default options for the build and processes user controlled options to +# compute enabled features. +macro(draco_setup_options) + draco_set_default_options() + draco_set_optional_features() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_sanitizer.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_sanitizer.cmake new file mode 100644 index 0000000..d2e41a6 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_sanitizer.cmake @@ -0,0 +1,32 @@ +if(DRACO_CMAKE_DRACO_SANITIZER_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_SANITIZER_CMAKE_ +set(DRACO_CMAKE_DRACO_SANITIZER_CMAKE_ 1) + +# Handles the details of enabling sanitizers. +macro(draco_configure_sanitizer) + if(DRACO_SANITIZE AND NOT EMSCRIPTEN AND NOT MSVC) + if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + if(DRACO_SANITIZE MATCHES "cfi") + list(APPEND SAN_CXX_FLAGS "-flto" "-fno-sanitize-trap=cfi") + list(APPEND SAN_LINKER_FLAGS "-flto" "-fno-sanitize-trap=cfi" + "-fuse-ld=gold") + endif() + + if(${CMAKE_SIZEOF_VOID_P} EQUAL 4 + AND DRACO_SANITIZE MATCHES "integer|undefined") + list(APPEND SAN_LINKER_FLAGS "--rtlib=compiler-rt" "-lgcc_s") + endif() + endif() + + list(APPEND SAN_CXX_FLAGS "-fsanitize=${DRACO_SANITIZE}") + list(APPEND SAN_LINKER_FLAGS "-fsanitize=${DRACO_SANITIZE}") + + # Make sanitizer callstacks accurate. + list(APPEND SAN_CXX_FLAGS "-fno-omit-frame-pointer") + list(APPEND SAN_CXX_FLAGS "-fno-optimize-sibling-calls") + + draco_test_cxx_flag(FLAG_LIST_VAR_NAMES SAN_CXX_FLAGS FLAG_REQUIRED) + draco_test_exe_linker_flag(FLAG_LIST_VAR_NAME SAN_LINKER_FLAGS) + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_targets.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_targets.cmake new file mode 100644 index 0000000..0456c4d --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_targets.cmake @@ -0,0 +1,355 @@ +if(DRACO_CMAKE_DRACO_TARGETS_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_TARGETS_CMAKE_ +set(DRACO_CMAKE_DRACO_TARGETS_CMAKE_ 1) + +# Resets list variables used to track draco targets. +macro(draco_reset_target_lists) + unset(draco_targets) + unset(draco_exe_targets) + unset(draco_lib_targets) + unset(draco_objlib_targets) + unset(draco_module_targets) + unset(draco_sources) + unset(draco_test_targets) +endmacro() + +# Creates an executable target. The target name is passed as a parameter to the +# NAME argument, and the sources passed as a parameter to the SOURCES argument: +# draco_add_executable(NAME <name> SOURCES <sources> [optional args]) +# +# Optional args: +# cmake-format: off +# - OUTPUT_NAME: Override output file basename. Target basename defaults to +# NAME. +# - TEST: Flag. Presence means treat executable as a test. +# - DEFINES: List of preprocessor macro definitions. +# - INCLUDES: list of include directories for the target. +# - COMPILE_FLAGS: list of compiler flags for the target. +# - LINK_FLAGS: List of linker flags for the target. +# - OBJLIB_DEPS: List of CMake object library target dependencies. +# - LIB_DEPS: List of CMake library dependencies. +# cmake-format: on +# +# Sources passed to this macro are added to $draco_test_sources when TEST is +# specified. Otherwise sources are added to $draco_sources. +# +# Targets passed to this macro are always added to the $draco_targets list. When +# TEST is specified targets are also added to the $draco_test_targets list. +# Otherwise targets are added to $draco_exe_targets. +macro(draco_add_executable) + unset(exe_TEST) + unset(exe_TEST_DEFINES_MAIN) + unset(exe_NAME) + unset(exe_OUTPUT_NAME) + unset(exe_SOURCES) + unset(exe_DEFINES) + unset(exe_INCLUDES) + unset(exe_COMPILE_FLAGS) + unset(exe_LINK_FLAGS) + unset(exe_OBJLIB_DEPS) + unset(exe_LIB_DEPS) + set(optional_args TEST) + set(single_value_args NAME OUTPUT_NAME) + set(multi_value_args SOURCES DEFINES INCLUDES COMPILE_FLAGS LINK_FLAGS + OBJLIB_DEPS LIB_DEPS) + + cmake_parse_arguments(exe "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(DRACO_VERBOSE GREATER 1) + message("--------- draco_add_executable ---------\n" + "exe_TEST=${exe_TEST}\n" + "exe_TEST_DEFINES_MAIN=${exe_TEST_DEFINES_MAIN}\n" + "exe_NAME=${exe_NAME}\n" + "exe_OUTPUT_NAME=${exe_OUTPUT_NAME}\n" + "exe_SOURCES=${exe_SOURCES}\n" + "exe_DEFINES=${exe_DEFINES}\n" + "exe_INCLUDES=${exe_INCLUDES}\n" + "exe_COMPILE_FLAGS=${exe_COMPILE_FLAGS}\n" + "exe_LINK_FLAGS=${exe_LINK_FLAGS}\n" + "exe_OBJLIB_DEPS=${exe_OBJLIB_DEPS}\n" + "exe_LIB_DEPS=${exe_LIB_DEPS}\n" + "------------------------------------------\n") + endif() + + if(NOT (exe_NAME AND exe_SOURCES)) + message(FATAL_ERROR "draco_add_executable: NAME and SOURCES required.") + endif() + + list(APPEND draco_targets ${exe_NAME}) + if(exe_TEST) + list(APPEND draco_test_targets ${exe_NAME}) + list(APPEND draco_test_sources ${exe_SOURCES}) + else() + list(APPEND draco_exe_targets ${exe_NAME}) + list(APPEND draco_sources ${exe_SOURCES}) + endif() + + add_executable(${exe_NAME} ${exe_SOURCES}) + set_target_properties(${exe_NAME} PROPERTIES VERSION ${DRACO_VERSION}) + + if(exe_OUTPUT_NAME) + set_target_properties(${exe_NAME} PROPERTIES OUTPUT_NAME ${exe_OUTPUT_NAME}) + endif() + + draco_process_intrinsics_sources(TARGET ${exe_NAME} SOURCES ${exe_SOURCES}) + + if(exe_DEFINES) + target_compile_definitions(${exe_NAME} PRIVATE ${exe_DEFINES}) + endif() + + if(exe_INCLUDES) + target_include_directories(${exe_NAME} PRIVATE ${exe_INCLUDES}) + endif() + + if(exe_COMPILE_FLAGS OR DRACO_CXX_FLAGS) + target_compile_options(${exe_NAME} + PRIVATE ${exe_COMPILE_FLAGS} ${DRACO_CXX_FLAGS}) + endif() + + if(exe_LINK_FLAGS OR DRACO_EXE_LINKER_FLAGS) + if(${CMAKE_VERSION} VERSION_LESS "3.13") + list(APPEND exe_LINK_FLAGS "${DRACO_EXE_LINKER_FLAGS}") + # LINK_FLAGS is managed as a string. + draco_set_and_stringify(SOURCE "${exe_LINK_FLAGS}" DEST exe_LINK_FLAGS) + set_target_properties(${exe_NAME} + PROPERTIES LINK_FLAGS "${exe_LINK_FLAGS}") + else() + target_link_options(${exe_NAME} PRIVATE ${exe_LINK_FLAGS} + ${DRACO_EXE_LINKER_FLAGS}) + endif() + endif() + + if(exe_OBJLIB_DEPS) + foreach(objlib_dep ${exe_OBJLIB_DEPS}) + target_sources(${exe_NAME} PRIVATE $<TARGET_OBJECTS:${objlib_dep}>) + endforeach() + endif() + + if(CMAKE_THREAD_LIBS_INIT) + list(APPEND exe_LIB_DEPS ${CMAKE_THREAD_LIBS_INIT}) + endif() + + if(BUILD_SHARED_LIBS AND (MSVC OR WIN32)) + target_compile_definitions(${exe_NAME} PRIVATE "DRACO_BUILDING_DLL=0") + endif() + + if(exe_LIB_DEPS) + unset(exe_static) + if("${CMAKE_EXE_LINKER_FLAGS} ${DRACO_EXE_LINKER_FLAGS}" MATCHES "static") + set(exe_static ON) + endif() + + if(exe_static AND CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU") + # Third party dependencies can introduce dependencies on system and test + # libraries. Since the target created here is an executable, and CMake + # does not provide a method of controlling order of link dependencies, + # wrap all of the dependencies of this target in start/end group flags to + # ensure that dependencies of third party targets can be resolved when + # those dependencies happen to be resolved by dependencies of the current + # target. + list(INSERT exe_LIB_DEPS 0 -Wl,--start-group) + list(APPEND exe_LIB_DEPS -Wl,--end-group) + endif() + target_link_libraries(${exe_NAME} PRIVATE ${exe_LIB_DEPS}) + endif() +endmacro() + +# Creates a library target of the specified type. The target name is passed as a +# parameter to the NAME argument, the type as a parameter to the TYPE argument, +# and the sources passed as a parameter to the SOURCES argument: +# draco_add_library(NAME <name> TYPE <type> SOURCES <sources> [optional args]) +# +# Optional args: +# cmake-format: off +# - OUTPUT_NAME: Override output file basename. Target basename defaults to +# NAME. OUTPUT_NAME is ignored when BUILD_SHARED_LIBS is enabled and CMake +# is generating a build for which MSVC is true. This is to avoid output +# basename collisions with DLL import libraries. +# - TEST: Flag. Presence means treat library as a test. +# - DEFINES: List of preprocessor macro definitions. +# - INCLUDES: list of include directories for the target. +# - COMPILE_FLAGS: list of compiler flags for the target. +# - LINK_FLAGS: List of linker flags for the target. +# - OBJLIB_DEPS: List of CMake object library target dependencies. +# - LIB_DEPS: List of CMake library dependencies. +# - PUBLIC_INCLUDES: List of include paths to export to dependents. +# cmake-format: on +# +# Sources passed to the macro are added to the lists tracking draco sources: +# cmake-format: off +# - When TEST is specified sources are added to $draco_test_sources. +# - Otherwise sources are added to $draco_sources. +# cmake-format: on +# +# Targets passed to this macro are added to the lists tracking draco targets: +# cmake-format: off +# - Targets are always added to $draco_targets. +# - When the TEST flag is specified, targets are added to +# $draco_test_targets. +# - When TEST is not specified: +# - Libraries of type SHARED are added to $draco_dylib_targets. +# - Libraries of type OBJECT are added to $draco_objlib_targets. +# - Libraries of type STATIC are added to $draco_lib_targets. +# cmake-format: on +macro(draco_add_library) + unset(lib_TEST) + unset(lib_NAME) + unset(lib_OUTPUT_NAME) + unset(lib_TYPE) + unset(lib_SOURCES) + unset(lib_DEFINES) + unset(lib_INCLUDES) + unset(lib_COMPILE_FLAGS) + unset(lib_LINK_FLAGS) + unset(lib_OBJLIB_DEPS) + unset(lib_LIB_DEPS) + unset(lib_PUBLIC_INCLUDES) + unset(lib_TARGET_PROPERTIES) + set(optional_args TEST) + set(single_value_args NAME OUTPUT_NAME TYPE) + set(multi_value_args SOURCES DEFINES INCLUDES COMPILE_FLAGS LINK_FLAGS + OBJLIB_DEPS LIB_DEPS PUBLIC_INCLUDES TARGET_PROPERTIES) + + cmake_parse_arguments(lib "${optional_args}" "${single_value_args}" + "${multi_value_args}" ${ARGN}) + + if(DRACO_VERBOSE GREATER 1) + message("--------- draco_add_library ---------\n" + "lib_TEST=${lib_TEST}\n" + "lib_NAME=${lib_NAME}\n" + "lib_OUTPUT_NAME=${lib_OUTPUT_NAME}\n" + "lib_TYPE=${lib_TYPE}\n" + "lib_SOURCES=${lib_SOURCES}\n" + "lib_DEFINES=${lib_DEFINES}\n" + "lib_INCLUDES=${lib_INCLUDES}\n" + "lib_COMPILE_FLAGS=${lib_COMPILE_FLAGS}\n" + "lib_LINK_FLAGS=${lib_LINK_FLAGS}\n" + "lib_OBJLIB_DEPS=${lib_OBJLIB_DEPS}\n" + "lib_LIB_DEPS=${lib_LIB_DEPS}\n" + "lib_PUBLIC_INCLUDES=${lib_PUBLIC_INCLUDES}\n" + "---------------------------------------\n") + endif() + + if(NOT (lib_NAME AND lib_TYPE)) + message(FATAL_ERROR "draco_add_library: NAME and TYPE required.") + endif() + + list(APPEND draco_targets ${lib_NAME}) + if(lib_TEST) + list(APPEND draco_test_targets ${lib_NAME}) + list(APPEND draco_test_sources ${lib_SOURCES}) + else() + list(APPEND draco_sources ${lib_SOURCES}) + if(lib_TYPE STREQUAL MODULE) + list(APPEND draco_module_targets ${lib_NAME}) + elseif(lib_TYPE STREQUAL OBJECT) + list(APPEND draco_objlib_targets ${lib_NAME}) + elseif(lib_TYPE STREQUAL SHARED) + list(APPEND draco_dylib_targets ${lib_NAME}) + elseif(lib_TYPE STREQUAL STATIC) + list(APPEND draco_lib_targets ${lib_NAME}) + else() + message(WARNING "draco_add_library: Unhandled type: ${lib_TYPE}") + endif() + endif() + + add_library(${lib_NAME} ${lib_TYPE} ${lib_SOURCES}) + if(lib_SOURCES) + draco_process_intrinsics_sources(TARGET ${lib_NAME} SOURCES ${lib_SOURCES}) + endif() + + if(lib_OUTPUT_NAME) + if(NOT (BUILD_SHARED_LIBS AND MSVC)) + set_target_properties(${lib_NAME} + PROPERTIES OUTPUT_NAME ${lib_OUTPUT_NAME}) + endif() + endif() + + if(lib_DEFINES) + target_compile_definitions(${lib_NAME} PRIVATE ${lib_DEFINES}) + endif() + + if(lib_INCLUDES) + target_include_directories(${lib_NAME} PRIVATE ${lib_INCLUDES}) + endif() + + if(lib_PUBLIC_INCLUDES) + target_include_directories(${lib_NAME} PUBLIC ${lib_PUBLIC_INCLUDES}) + endif() + + if(lib_COMPILE_FLAGS OR DRACO_CXX_FLAGS) + target_compile_options(${lib_NAME} + PRIVATE ${lib_COMPILE_FLAGS} ${DRACO_CXX_FLAGS}) + endif() + + if(lib_LINK_FLAGS) + set_target_properties(${lib_NAME} PROPERTIES LINK_FLAGS ${lib_LINK_FLAGS}) + endif() + + if(lib_OBJLIB_DEPS) + foreach(objlib_dep ${lib_OBJLIB_DEPS}) + target_sources(${lib_NAME} PRIVATE $<TARGET_OBJECTS:${objlib_dep}>) + endforeach() + endif() + + if(lib_LIB_DEPS) + if(lib_TYPE STREQUAL STATIC) + set(link_type PUBLIC) + else() + set(link_type PRIVATE) + if(lib_TYPE STREQUAL SHARED AND CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU") + # The draco shared object uses the static draco as input to turn it into + # a shared object. Include everything from the static library in the + # shared object. + if(APPLE) + list(INSERT lib_LIB_DEPS 0 -Wl,-force_load) + else() + list(INSERT lib_LIB_DEPS 0 -Wl,--whole-archive) + list(APPEND lib_LIB_DEPS -Wl,--no-whole-archive) + endif() + endif() + endif() + target_link_libraries(${lib_NAME} ${link_type} ${lib_LIB_DEPS}) + endif() + + if(NOT MSVC AND lib_NAME MATCHES "^lib") + # Non-MSVC generators prepend lib to static lib target file names. Libdraco + # already includes lib in its name. Avoid naming output files liblib*. + set_target_properties(${lib_NAME} PROPERTIES PREFIX "") + endif() + + # VERSION and SOVERSION as necessary + if(NOT lib_TYPE STREQUAL STATIC AND NOT lib_TYPE STREQUAL MODULE) + set_target_properties(${lib_NAME} PROPERTIES VERSION ${DRACO_VERSION}) + if(NOT MSVC) + set_target_properties(${lib_NAME} PROPERTIES SOVERSION ${DRACO_SOVERSION}) + endif() + endif() + + if(BUILD_SHARED_LIBS AND (MSVC OR WIN32)) + if(lib_TYPE STREQUAL SHARED) + target_compile_definitions(${lib_NAME} PRIVATE "DRACO_BUILDING_DLL=1") + else() + target_compile_definitions(${lib_NAME} PRIVATE "DRACO_BUILDING_DLL=0") + endif() + endif() + + # Determine if $lib_NAME is a header only target. + unset(sources_list) + if(lib_SOURCES) + set(sources_list ${lib_SOURCES}) + list(FILTER sources_list INCLUDE REGEX cc$) + endif() + + if(NOT sources_list) + if(NOT XCODE) + # This is a header only target. Tell CMake the link language. + set_target_properties(${lib_NAME} PROPERTIES LINKER_LANGUAGE CXX) + else() + # The Xcode generator ignores LINKER_LANGUAGE. Add a dummy cc file. + draco_create_dummy_source_file(TARGET ${lib_NAME} BASENAME ${lib_NAME}) + endif() + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_test_config.h.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_test_config.h.cmake new file mode 100644 index 0000000..77a5741 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_test_config.h.cmake @@ -0,0 +1,13 @@ +#ifndef DRACO_TESTING_DRACO_TEST_CONFIG_H_ +#define DRACO_TESTING_DRACO_TEST_CONFIG_H_ + +// If this file is named draco_test_config.h.cmake: +// This file is used as input at cmake generation time. + +// If this file is named draco_test_config.h: +// GENERATED FILE, DO NOT EDIT. SEE ABOVE. + +#define DRACO_TEST_DATA_DIR "${DRACO_TEST_DATA_DIR}" +#define DRACO_TEST_TEMP_DIR "${DRACO_TEST_TEMP_DIR}" + +#endif // DRACO_TESTING_DRACO_TEST_CONFIG_H_ diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_tests.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_tests.cmake new file mode 100644 index 0000000..a6dfc5b --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_tests.cmake @@ -0,0 +1,133 @@ +if(DRACO_CMAKE_DRACO_TESTS_CMAKE) + return() +endif() +set(DRACO_CMAKE_DRACO_TESTS_CMAKE 1) + +# The factory tests are in a separate target to avoid breaking tests that rely +# on file I/O via the factories. The fake reader and writer implementations +# interfere with normal file I/O function. +set(draco_factory_test_sources + "${draco_src_root}/io/file_reader_factory_test.cc" + "${draco_src_root}/io/file_writer_factory_test.cc") + +list( + APPEND + draco_test_sources + "${draco_src_root}/animation/keyframe_animation_encoding_test.cc" + "${draco_src_root}/animation/keyframe_animation_test.cc" + "${draco_src_root}/attributes/point_attribute_test.cc" + "${draco_src_root}/compression/attributes/point_d_vector_test.cc" + "${draco_src_root}/compression/attributes/prediction_schemes/prediction_scheme_normal_octahedron_canonicalized_transform_test.cc" + "${draco_src_root}/compression/attributes/prediction_schemes/prediction_scheme_normal_octahedron_transform_test.cc" + "${draco_src_root}/compression/attributes/sequential_integer_attribute_encoding_test.cc" + "${draco_src_root}/compression/bit_coders/rans_coding_test.cc" + "${draco_src_root}/compression/decode_test.cc" + "${draco_src_root}/compression/encode_test.cc" + "${draco_src_root}/compression/entropy/shannon_entropy_test.cc" + "${draco_src_root}/compression/entropy/symbol_coding_test.cc" + "${draco_src_root}/compression/mesh/mesh_edgebreaker_encoding_test.cc" + "${draco_src_root}/compression/mesh/mesh_encoder_test.cc" + "${draco_src_root}/compression/point_cloud/point_cloud_kd_tree_encoding_test.cc" + "${draco_src_root}/compression/point_cloud/point_cloud_sequential_encoding_test.cc" + "${draco_src_root}/core/buffer_bit_coding_test.cc" + "${draco_src_root}/core/draco_test_base.h" + "${draco_src_root}/core/draco_test_utils.cc" + "${draco_src_root}/core/draco_test_utils.h" + "${draco_src_root}/core/math_utils_test.cc" + "${draco_src_root}/core/quantization_utils_test.cc" + "${draco_src_root}/core/status_test.cc" + "${draco_src_root}/core/vector_d_test.cc" + "${draco_src_root}/io/file_reader_test_common.h" + "${draco_src_root}/io/file_utils_test.cc" + "${draco_src_root}/io/stdio_file_reader_test.cc" + "${draco_src_root}/io/stdio_file_writer_test.cc" + "${draco_src_root}/io/obj_decoder_test.cc" + "${draco_src_root}/io/obj_encoder_test.cc" + "${draco_src_root}/io/ply_decoder_test.cc" + "${draco_src_root}/io/ply_reader_test.cc" + "${draco_src_root}/io/point_cloud_io_test.cc" + "${draco_src_root}/mesh/mesh_are_equivalent_test.cc" + "${draco_src_root}/mesh/mesh_cleanup_test.cc" + "${draco_src_root}/mesh/triangle_soup_mesh_builder_test.cc" + "${draco_src_root}/metadata/metadata_encoder_test.cc" + "${draco_src_root}/metadata/metadata_test.cc" + "${draco_src_root}/point_cloud/point_cloud_builder_test.cc" + "${draco_src_root}/point_cloud/point_cloud_test.cc") + +list(APPEND draco_gtest_all + "${draco_root}/../googletest/googletest/src/gtest-all.cc") +list(APPEND draco_gtest_main + "${draco_root}/../googletest/googletest/src/gtest_main.cc") + +macro(draco_setup_test_targets) + if(DRACO_TESTS) + if(NOT (EXISTS ${draco_gtest_all} AND EXISTS ${draco_gtest_main})) + message(FATAL "googletest must be a sibling directory of ${draco_root}.") + endif() + + list(APPEND draco_test_defines GTEST_HAS_PTHREAD=0) + + draco_add_library(TEST + NAME + draco_gtest + TYPE + STATIC + SOURCES + ${draco_gtest_all} + DEFINES + ${draco_defines} + ${draco_test_defines} + INCLUDES + ${draco_test_include_paths}) + + draco_add_library(TEST + NAME + draco_gtest_main + TYPE + STATIC + SOURCES + ${draco_gtest_main} + DEFINES + ${draco_defines} + ${draco_test_defines} + INCLUDES + ${draco_test_include_paths}) + + set(DRACO_TEST_DATA_DIR "${draco_root}/testdata") + set(DRACO_TEST_TEMP_DIR "${draco_build}/draco_test_temp") + file(MAKE_DIRECTORY "${DRACO_TEST_TEMP_DIR}") + + # Sets DRACO_TEST_DATA_DIR and DRACO_TEST_TEMP_DIR. + configure_file("${draco_root}/cmake/draco_test_config.h.cmake" + "${draco_build}/testing/draco_test_config.h") + + # Create the test targets. + draco_add_executable(NAME + draco_tests + SOURCES + ${draco_test_sources} + DEFINES + ${draco_defines} + ${draco_test_defines} + INCLUDES + ${draco_test_include_paths} + LIB_DEPS + draco_static + draco_gtest + draco_gtest_main) + + draco_add_executable(NAME + draco_factory_tests + SOURCES + ${draco_factory_test_sources} + DEFINES + ${draco_defines} + ${draco_test_defines} + INCLUDES + ${draco_test_include_paths} + LIB_DEPS + draco_static + draco_gtest + draco_gtest_main) + endif() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/draco_variables.cmake b/src/mesh/assimp-master/contrib/draco/cmake/draco_variables.cmake new file mode 100644 index 0000000..8dbc77a --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/draco_variables.cmake @@ -0,0 +1,64 @@ +if(DRACO_CMAKE_DRACO_VARIABLES_CMAKE_) + return() +endif() # DRACO_CMAKE_DRACO_VARIABLES_CMAKE_ +set(DRACO_CMAKE_DRACO_VARIABLES_CMAKE_ 1) + +# Halts generation when $variable_name does not refer to a directory that +# exists. +macro(draco_variable_must_be_directory variable_name) + if("${variable_name}" STREQUAL "") + message( + FATAL_ERROR + "Empty variable_name passed to draco_variable_must_be_directory.") + endif() + + if("${${variable_name}}" STREQUAL "") + message( + FATAL_ERROR + "Empty variable ${variable_name} is required to build draco.") + endif() + + if(NOT IS_DIRECTORY "${${variable_name}}") + message( + FATAL_ERROR + "${variable_name}, which is ${${variable_name}}, does not refer to a\n" + "directory.") + endif() +endmacro() + +# Adds $var_name to the tracked variables list. +macro(draco_track_configuration_variable var_name) + if(DRACO_VERBOSE GREATER 2) + message("---- draco_track_configuration_variable ----\n" + "var_name=${var_name}\n" + "----------------------------------------------\n") + endif() + + list(APPEND draco_configuration_variables ${var_name}) + list(REMOVE_DUPLICATES draco_configuration_variables) +endmacro() + +# Logs current C++ and executable linker flags via the CMake message command. +macro(draco_dump_cmake_flag_variables) + unset(flag_variables) + list(APPEND flag_variables "CMAKE_CXX_FLAGS_INIT" "CMAKE_CXX_FLAGS" + "CMAKE_EXE_LINKER_FLAGS_INIT" "CMAKE_EXE_LINKER_FLAGS") + if(CMAKE_BUILD_TYPE) + list(APPEND flag_variables "CMAKE_BUILD_TYPE" + "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}_INIT" + "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" + "CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE}_INIT" + "CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE}") + endif() + foreach(flag_variable ${flag_variables}) + message("${flag_variable}:${${flag_variable}}") + endforeach() +endmacro() + +# Dumps the variables tracked in $draco_configuration_variables via the CMake +# message command. +macro(draco_dump_tracked_configuration_variables) + foreach(config_variable ${draco_configuration_variables}) + message("${config_variable}:${${config_variable}}") + endforeach() +endmacro() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/sanitizers.cmake b/src/mesh/assimp-master/contrib/draco/cmake/sanitizers.cmake new file mode 100644 index 0000000..e720bc0 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/sanitizers.cmake @@ -0,0 +1,19 @@ +if(DRACO_CMAKE_SANITIZERS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_SANITIZERS_CMAKE_ 1) + +if(MSVC OR NOT SANITIZE) + return() +endif() + +include("${draco_root}/cmake/compiler_flags.cmake") + +string(TOLOWER ${SANITIZE} SANITIZE) + +# Require the sanitizer requested. +require_linker_flag("-fsanitize=${SANITIZE}") +require_compiler_flag("-fsanitize=${SANITIZE}" YES) + +# Make callstacks accurate. +require_compiler_flag("-fno-omit-frame-pointer -fno-optimize-sibling-calls" YES) diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/aarch64-linux-gnu.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/aarch64-linux-gnu.cmake new file mode 100644 index 0000000..87e0b4a --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/aarch64-linux-gnu.cmake @@ -0,0 +1,14 @@ +if(DRACO_CMAKE_TOOLCHAINS_AARCH64_LINUX_GNU_CMAKE_) + return() +endif() # DRACO_CMAKE_TOOLCHAINS_AARCH64_LINUX_GNU_CMAKE_ +set(DRACO_CMAKE_TOOLCHAINS_AARCH64_LINUX_GNU_CMAKE_ 1) + +set(CMAKE_SYSTEM_NAME "Linux") + +if("${CROSS}" STREQUAL "") + set(CROSS aarch64-linux-gnu-) +endif() + +set(CMAKE_CXX_COMPILER ${CROSS}g++) +set(CMAKE_CXX_FLAGS_INIT "-march=armv8-a") +set(CMAKE_SYSTEM_PROCESSOR "aarch64") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/android-ndk-common.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/android-ndk-common.cmake new file mode 100644 index 0000000..5126d6e --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/android-ndk-common.cmake @@ -0,0 +1,23 @@ +if(DRACO_CMAKE_TOOLCHAINS_ANDROID_NDK_COMMON_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ANDROID_NDK_COMMON_CMAKE_ 1) + +# Toolchain files do not have access to cached variables: +# https://gitlab.kitware.com/cmake/cmake/issues/16170. Set an intermediate +# environment variable when loaded the first time. +if(DRACO_ANDROID_NDK_PATH) + set(ENV{DRACO_ANDROID_NDK_PATH} "${DRACO_ANDROID_NDK_PATH}") +else() + set(DRACO_ANDROID_NDK_PATH "$ENV{DRACO_ANDROID_NDK_PATH}") +endif() + +set(CMAKE_SYSTEM_NAME Android) + +if(NOT CMAKE_ANDROID_STL_TYPE) + set(CMAKE_ANDROID_STL_TYPE c++_static) +endif() + +if(NOT CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION) + set(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION clang) +endif() diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/android.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/android.cmake new file mode 100644 index 0000000..b8f576d --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/android.cmake @@ -0,0 +1,39 @@ +if(DRACO_CMAKE_TOOLCHAINS_ANDROID_CMAKE_) + return() +endif() # DRACO_CMAKE_TOOLCHAINS_ANDROID_CMAKE_ + +# Additional ANDROID_* settings are available, see: +# https://developer.android.com/ndk/guides/cmake#variables + +if(NOT ANDROID_PLATFORM) + set(ANDROID_PLATFORM android-21) +endif() + +# Choose target architecture with: +# +# -DANDROID_ABI={armeabi-v7a,armeabi-v7a with NEON,arm64-v8a,x86,x86_64} +if(NOT ANDROID_ABI) + set(ANDROID_ABI arm64-v8a) +endif() + +# Force arm mode for 32-bit targets (instead of the default thumb) to improve +# performance. +if(NOT ANDROID_ARM_MODE) + set(ANDROID_ARM_MODE arm) +endif() + +# Toolchain files do not have access to cached variables: +# https://gitlab.kitware.com/cmake/cmake/issues/16170. Set an intermediate +# environment variable when loaded the first time. +if(DRACO_ANDROID_NDK_PATH) + set(ENV{DRACO_ANDROID_NDK_PATH} "${DRACO_ANDROID_NDK_PATH}") +else() + set(DRACO_ANDROID_NDK_PATH "$ENV{DRACO_ANDROID_NDK_PATH}") +endif() + +if(NOT DRACO_ANDROID_NDK_PATH) + message(FATAL_ERROR "DRACO_ANDROID_NDK_PATH not set.") + return() +endif() + +include("${DRACO_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm-ios-common.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm-ios-common.cmake new file mode 100644 index 0000000..65326d1 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm-ios-common.cmake @@ -0,0 +1,17 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_) + return() +endif() +set(DRACO_CMAKE_ARM_IOS_COMMON_CMAKE_ 1) + +set(CMAKE_SYSTEM_NAME "Darwin") +if(CMAKE_OSX_SDK) + set(CMAKE_OSX_SYSROOT ${CMAKE_OSX_SDK}) +else() + set(CMAKE_OSX_SYSROOT iphoneos) +endif() +set(CMAKE_C_COMPILER clang) +set(CMAKE_C_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}") +set(CMAKE_CXX_COMPILER clang++) +set(CMAKE_CXX_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}") + +# TODO(tomfinegan): Handle bit code embedding. diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm-linux-gnueabihf.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm-linux-gnueabihf.cmake new file mode 100644 index 0000000..6e45969 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm-linux-gnueabihf.cmake @@ -0,0 +1,15 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARM_LINUX_GNUEABIHF_CMAKE_) + return() +endif() # DRACO_CMAKE_TOOLCHAINS_ARM_LINUX_GNUEABIHF_CMAKE_ +set(DRACO_CMAKE_TOOLCHAINS_ARM_LINUX_GNUEABIHF_CMAKE_ 1) + +set(CMAKE_SYSTEM_NAME "Linux") + +if("${CROSS}" STREQUAL "") + set(CROSS arm-linux-gnueabihf-) +endif() + +set(CMAKE_CXX_COMPILER ${CROSS}g++) +set(CMAKE_CXX_FLAGS_INIT "-march=armv7-a -marm") +set(CMAKE_SYSTEM_PROCESSOR "armv7") +set(DRACO_NEON_INTRINSICS_FLAG "-mfpu=neon") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-android-ndk-libcpp.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-android-ndk-libcpp.cmake new file mode 100644 index 0000000..4b6d366 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-android-ndk-libcpp.cmake @@ -0,0 +1,16 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARM64_ANDROID_NDK_LIBCPP_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARM64_ANDROID_NDK_LIBCPP_CMAKE_ 1) + +include("${CMAKE_CURRENT_LIST_DIR}/android-ndk-common.cmake") + +if(NOT ANDROID_PLATFORM) + set(ANROID_PLATFORM android-21) +endif() + +if(NOT ANDROID_ABI) + set(ANDROID_ABI arm64-v8a) +endif() + +include("${DRACO_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-ios.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-ios.cmake new file mode 100644 index 0000000..c4ec7e3 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-ios.cmake @@ -0,0 +1,14 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_ 1) + +if(XCODE) + # TODO(tomfinegan): Handle arm builds in Xcode. + message(FATAL_ERROR "This toolchain does not support Xcode.") +endif() + +set(CMAKE_SYSTEM_PROCESSOR "arm64") +set(CMAKE_OSX_ARCHITECTURES "arm64") + +include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-linux-gcc.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-linux-gcc.cmake new file mode 100644 index 0000000..046ff01 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/arm64-linux-gcc.cmake @@ -0,0 +1,18 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_ 1) + +set(CMAKE_SYSTEM_NAME "Linux") + +if("${CROSS}" STREQUAL "") + # Default the cross compiler prefix to something known to work. + set(CROSS aarch64-linux-gnu-) +endif() + +set(CMAKE_C_COMPILER ${CROSS}gcc) +set(CMAKE_CXX_COMPILER ${CROSS}g++) +set(AS_EXECUTABLE ${CROSS}as) +set(CMAKE_C_COMPILER_ARG1 "-march=armv8-a") +set(CMAKE_CXX_COMPILER_ARG1 "-march=armv8-a") +set(CMAKE_SYSTEM_PROCESSOR "arm64") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-android-ndk-libcpp.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-android-ndk-libcpp.cmake new file mode 100644 index 0000000..80ee98b --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-android-ndk-libcpp.cmake @@ -0,0 +1,16 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARMV7_ANDROID_NDK_LIBCPP_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARMV7_ANDROID_NDK_LIBCPP_CMAKE_ 1) + +include("${CMAKE_CURRENT_LIST_DIR}/android-ndk-common.cmake") + +if(NOT ANDROID_PLATFORM) + set(ANDROID_PLATFORM android-18) +endif() + +if(NOT ANDROID_ABI) + set(ANDROID_ABI armeabi-v7a) +endif() + +include("${DRACO_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-ios.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-ios.cmake new file mode 100644 index 0000000..8ddd699 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-ios.cmake @@ -0,0 +1,14 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_ 1) + +if(XCODE) + # TODO(tomfinegan): Handle arm builds in Xcode. + message(FATAL_ERROR "This toolchain does not support Xcode.") +endif() + +set(CMAKE_SYSTEM_PROCESSOR "armv7") +set(CMAKE_OSX_ARCHITECTURES "armv7") + +include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-linux-gcc.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-linux-gcc.cmake new file mode 100644 index 0000000..9c94723 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7-linux-gcc.cmake @@ -0,0 +1,24 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_ 1) + +set(CMAKE_SYSTEM_NAME "Linux") + +if("${CROSS}" STREQUAL "") + # Default the cross compiler prefix to something known to work. + set(CROSS arm-linux-gnueabihf-) +endif() + +if(NOT ${CROSS} MATCHES hf-$) + set(DRACO_EXTRA_TOOLCHAIN_FLAGS "-mfloat-abi=softfp") +endif() + +set(CMAKE_C_COMPILER ${CROSS}gcc) +set(CMAKE_CXX_COMPILER ${CROSS}g++) +set(AS_EXECUTABLE ${CROSS}as) +set(CMAKE_C_COMPILER_ARG1 + "-march=armv7-a -mfpu=neon ${DRACO_EXTRA_TOOLCHAIN_FLAGS}") +set(CMAKE_CXX_COMPILER_ARG1 + "-march=armv7-a -mfpu=neon ${DRACO_EXTRA_TOOLCHAIN_FLAGS}") +set(CMAKE_SYSTEM_PROCESSOR "armv7") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7s-ios.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7s-ios.cmake new file mode 100644 index 0000000..b433025 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/armv7s-ios.cmake @@ -0,0 +1,14 @@ +if(DRACO_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_ 1) + +if(XCODE) + # TODO(tomfinegan): Handle arm builds in Xcode. + message(FATAL_ERROR "This toolchain does not support Xcode.") +endif() + +set(CMAKE_SYSTEM_PROCESSOR "armv7s") +set(CMAKE_OSX_ARCHITECTURES "armv7s") + +include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/i386-ios.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/i386-ios.cmake new file mode 100644 index 0000000..e9a1055 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/i386-ios.cmake @@ -0,0 +1,15 @@ +if(DRACO_CMAKE_TOOLCHAINS_i386_IOS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_i386_IOS_CMAKE_ 1) + +if(XCODE) + # TODO(tomfinegan): Handle arm builds in Xcode. + message(FATAL_ERROR "This toolchain does not support Xcode.") +endif() + +set(CMAKE_SYSTEM_PROCESSOR "i386") +set(CMAKE_OSX_ARCHITECTURES "i386") +set(CMAKE_OSX_SDK "iphonesimulator") + +include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86-android-ndk-libcpp.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86-android-ndk-libcpp.cmake new file mode 100644 index 0000000..d433836 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86-android-ndk-libcpp.cmake @@ -0,0 +1,16 @@ +if(DRACO_CMAKE_TOOLCHAINS_X86_ANDROID_NDK_LIBCPP_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_X86_ANDROID_NDK_LIBCPP_CMAKE_ 1) + +include("${CMAKE_CURRENT_LIST_DIR}/android-ndk-common.cmake") + +if(NOT ANDROID_PLATFORM) + set(ANDROID_PLATFORM android-18) +endif() + +if(NOT ANDROID_ABI) + set(ANDROID_ABI x86) +endif() + +include("${DRACO_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86_64-android-ndk-libcpp.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86_64-android-ndk-libcpp.cmake new file mode 100644 index 0000000..d6fabea --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86_64-android-ndk-libcpp.cmake @@ -0,0 +1,16 @@ +if(DRACO_CMAKE_TOOLCHAINS_X86_64_ANDROID_NDK_LIBCPP_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_X86_64_ANDROID_NDK_LIBCPP_CMAKE_ 1) + +include("${CMAKE_CURRENT_LIST_DIR}/android-ndk-common.cmake") + +if(NOT ANDROID_PLATFORM) + set(ANDROID_PLATFORM android-21) +endif() + +if(NOT ANDROID_ABI) + set(ANDROID_ABI x86_64) +endif() + +include("${DRACO_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86_64-ios.cmake b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86_64-ios.cmake new file mode 100644 index 0000000..4c50a72 --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/toolchains/x86_64-ios.cmake @@ -0,0 +1,15 @@ +if(DRACO_CMAKE_TOOLCHAINS_X86_64_IOS_CMAKE_) + return() +endif() +set(DRACO_CMAKE_TOOLCHAINS_X86_64_IOS_CMAKE_ 1) + +if(XCODE) + # TODO(tomfinegan): Handle arm builds in Xcode. + message(FATAL_ERROR "This toolchain does not support Xcode.") +endif() + +set(CMAKE_SYSTEM_PROCESSOR "x86_64") +set(CMAKE_OSX_ARCHITECTURES "x86_64") +set(CMAKE_OSX_SDK "iphonesimulator") + +include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake") diff --git a/src/mesh/assimp-master/contrib/draco/cmake/util.cmake b/src/mesh/assimp-master/contrib/draco/cmake/util.cmake new file mode 100644 index 0000000..813146a --- /dev/null +++ b/src/mesh/assimp-master/contrib/draco/cmake/util.cmake @@ -0,0 +1,79 @@ +if(DRACO_CMAKE_UTIL_CMAKE_) + return() +endif() +set(DRACO_CMAKE_UTIL_CMAKE_ 1) + +# Creates dummy source file in $draco_build_dir named $basename.$extension and +# returns the full path to the dummy source file via the $out_file_path +# parameter. +function(create_dummy_source_file basename extension out_file_path) + set(dummy_source_file "${draco_build_dir}/${basename}.${extension}") + file(WRITE "${dummy_source_file}.new" + "// Generated file. DO NOT EDIT!\n" + "// ${target_name} needs a ${extension} file to force link language, \n" + "// or to silence a harmless CMake warning: Ignore me.\n" + "void ${target_name}_dummy_function(void) {}\n") + + # Will replace ${dummy_source_file} only if the file content has changed. + # This prevents forced Draco rebuilds after CMake runs. + configure_file("${dummy_source_file}.new" "${dummy_source_file}") + file(REMOVE "${dummy_source_file}.new") + + set(${out_file_path} ${dummy_source_file} PARENT_SCOPE) +endfunction() + +# Convenience function for adding a dummy source file to $target_name using +# $extension as the file extension. Wraps create_dummy_source_file(). +function(add_dummy_source_file_to_target target_name extension) + create_dummy_source_file("${target_name}" "${extension}" "dummy_source_file") + target_sources(${target_name} PRIVATE ${dummy_source_file}) +endfunction() + +# Extracts the version number from $version_file and returns it to the user via +# $version_string_out_var. This is achieved by finding the first instance of the +# kDracoVersion variable and then removing everything but the string literal +# assigned to the variable. Quotes and semicolon are stripped from the returned +# string. +function(extract_version_string version_file version_string_out_var) + file(STRINGS "${version_file}" draco_version REGEX "kDracoVersion") + list(GET draco_version 0 draco_version) + string(REPLACE "static const char kDracoVersion[] = " "" draco_version + "${draco_version}") + string(REPLACE ";" "" draco_version "${draco_version}") + string(REPLACE "\"" "" draco_version "${draco_version}") + set("${version_string_out_var}" "${draco_version}" PARENT_SCOPE) +endfunction() + +# Sets CMake compiler launcher to $launcher_name when $launcher_name is found in +# $PATH. Warns user about ignoring build flag $launcher_flag when $launcher_name +# is not found in $PATH. +function(set_compiler_launcher launcher_flag launcher_name) + find_program(launcher_path "${launcher_name}") + if(launcher_path) + set(CMAKE_C_COMPILER_LAUNCHER "${launcher_path}" PARENT_SCOPE) + set(CMAKE_CXX_COMPILER_LAUNCHER "${launcher_path}" PARENT_SCOPE) + message("--- Using ${launcher_name} as compiler launcher.") + else() + message( + WARNING "--- Cannot find ${launcher_name}, ${launcher_flag} ignored.") + endif() +endfunction() + +# Terminates CMake execution when $var_name is unset in the environment. Sets +# CMake variable to the value of the environment variable when the variable is +# present in the environment. +macro(require_variable var_name) + if("$ENV{${var_name}}" STREQUAL "") + message(FATAL_ERROR "${var_name} must be set in environment.") + endif() + set_variable_if_unset(${var_name} "") +endmacro() + +# Sets $var_name to $default_value if not already set. +macro(set_variable_if_unset var_name default_value) + if(NOT "$ENV{${var_name}}" STREQUAL "") + set(${var_name} $ENV{${var_name}}) + elseif(NOT ${var_name}) + set(${var_name} ${default_value}) + endif() +endmacro() |