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OS X: Ignore MACOSX_DEPLOYMENT_TARGET during Xcode compiler id

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Xcode honors this environment variable if the project file does not set
it.  Hide it from Xcode while building the compiler id project.
This commit is contained in:
Brad King
2012-09-24 14:44:07 -04:00
parent e7e613efbf
commit df928646ba
1 changed files with 8 additions and 0 deletions
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8
Modules/CMakeDetermineCompilerId.cmake
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@@ -185,12 +185,20 @@ Id flags: ${testflags}
endif()
configure_file(${CMAKE_ROOT}/Modules/CompilerId/Xcode-${v}.pbxproj.in
${id_dir}/CompilerId${lang}.${ext}/project.pbxproj @ONLY IMMEDIATE)
unset(_ENV_MACOSX_DEPLOYMENT_TARGET)
if(DEFINED ENV{MACOSX_DEPLOYMENT_TARGET})
set(_ENV_MACOSX_DEPLOYMENT_TARGET "$ENV{MACOSX_DEPLOYMENT_TARGET}")
set(ENV{MACOSX_DEPLOYMENT_TARGET} "")
endif()
execute_process(COMMAND xcodebuild
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
ERROR_VARIABLE CMAKE_${lang}_COMPILER_ID_OUTPUT
RESULT_VARIABLE CMAKE_${lang}_COMPILER_ID_RESULT
)
if(DEFINED _ENV_MACOSX_DEPLOYMENT_TARGET)
set(ENV{MACOSX_DEPLOYMENT_TARGET} "${_ENV_MACOSX_DEPLOYMENT_TARGET}")
endif()
# Match the link line from xcodebuild output of the form
# Ld ...