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OS X: Ignore MACOSX_DEPLOYMENT_TARGET during Xcode compiler id 

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 ...