blob: 0b3b804cff72156413bbd1beb195881d054ea6c3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
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()
|
