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CompilerId: Guard the platform-default compiler code with a parameter.

This commit is contained in:
Stephen Kelly 2014-04-23 12:10:04 +02:00
parent 30a99f5c06
commit 23f451bb33
2 changed files with 7 additions and 6 deletions
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12
Modules/CMakeCompilerIdDetection.cmake
View File

@ -38,7 +38,7 @@ function(compiler_id_detection outvar lang)
_readFile(${file})
endforeach()
set(options ID_STRING VERSION_STRINGS ID_DEFINE)
set(options ID_STRING VERSION_STRINGS ID_DEFINE PLATFORM_DEFAULT_COMPILER)
cmake_parse_arguments(CID "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if (CID_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unrecognized arguments: \"${CID_UNPARSED_ARGUMENTS}\"")
@ -103,7 +103,8 @@ function(compiler_id_detection outvar lang)
set(pp_if "#elif")
endforeach()
set(platform_compiler_detection "
if (CID_PLATFORM_DEFAULT_COMPILER)
set(platform_compiler_detection "
/* These compilers are either not known or too old to define an
identification macro. Try to identify the platform and guess that
it is the native compiler. */
@ -114,11 +115,10 @@ function(compiler_id_detection outvar lang)
# define COMPILER_ID \"HP\"
#else /* unknown compiler */
# define COMPILER_ID \"\"
# define COMPILER_ID \"\"")
endif()
#endif")
set(CMAKE_${lang}_COMPILER_ID_CONTENT "${CMAKE_${lang}_COMPILER_ID_CONTENT}\n${platform_compiler_detection}")
set(CMAKE_${lang}_COMPILER_ID_CONTENT "${CMAKE_${lang}_COMPILER_ID_CONTENT}\n${platform_compiler_detection}\n#endif")
endif()
set(${outvar} ${CMAKE_${lang}_COMPILER_ID_CONTENT} PARENT_SCOPE)

1
Modules/CMakeDetermineCompilerId.cmake
View File

@ -108,6 +108,7 @@ function(CMAKE_DETERMINE_COMPILER_ID_WRITE lang src)
compiler_id_detection(CMAKE_${lang}_COMPILER_ID_CONTENT ${lang}
ID_STRING
VERSION_STRINGS
PLATFORM_DEFAULT_COMPILER
)
unset(src_in CACHE)