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openmw-tes3mp/cmake/PreprocessorUtils.cmake

61 lines
1.6 KiB
CMake

#-------------------------------------------------------------------
# This file is part of the CMake build system for OGRE
# (Object-oriented Graphics Rendering Engine)
# For the latest info, see http://www.ogre3d.org/
#
# The contents of this file are placed in the public domain. Feel
# free to make use of it in any way you like.
#-------------------------------------------------------------------
macro(get_preprocessor_entry CONTENTS KEYWORD VARIABLE)
string(REGEX MATCH
"# *define +${KEYWORD} +((\"([^\n]*)\")|([^ \n]*))"
PREPROC_TEMP_VAR
${${CONTENTS}}
)
if (CMAKE_MATCH_3)
set(${VARIABLE} ${CMAKE_MATCH_3})
else ()
set(${VARIABLE} ${CMAKE_MATCH_4})
endif ()
endmacro()
macro(has_preprocessor_entry CONTENTS KEYWORD VARIABLE)
string(REGEX MATCH
"\n *# *define +(${KEYWORD})"
PREPROC_TEMP_VAR
${${CONTENTS}}
)
if (CMAKE_MATCH_1)
set(${VARIABLE} TRUE)
else ()
set(${VARIABLE} FALSE)
endif ()
endmacro()
macro(replace_preprocessor_entry VARIABLE KEYWORD NEW_VALUE)
string(REGEX REPLACE
"(// *)?# *define +${KEYWORD} +[^ \n]*"
"#define ${KEYWORD} ${NEW_VALUE}"
${VARIABLE}_TEMP
${${VARIABLE}}
)
set(${VARIABLE} ${${VARIABLE}_TEMP})
endmacro()
macro(set_preprocessor_entry VARIABLE KEYWORD ENABLE)
if (${ENABLE})
set(TMP_REPLACE_STR "#define ${KEYWORD}")
else ()
set(TMP_REPLACE_STR "// #define ${KEYWORD}")
endif ()
string(REGEX REPLACE
"(// *)?# *define +${KEYWORD} *\n"
${TMP_REPLACE_STR}
${VARIABLE}_TEMP
${${VARIABLE}}
)
set(${VARIABLE} ${${VARIABLE}_TEMP})
endmacro()