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CMakeDetermineCompiler: Factor out xcrun invocation into a macro 

This will allow it to be re-used in multiple code paths later.
This commit is contained in:
Stephen Kelly 2015-01-13 23:10:46 +01:00 committed by Brad King
parent 472553b4c1
commit 85d3173590
1 changed files with 11 additions and 4 deletions
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15
Modules/CMakeDetermineCompiler.cmake
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@ -72,12 +72,19 @@ macro(_cmake_find_compiler lang)
# Look for a make tool provided by Xcode
if(CMAKE_${lang}_COMPILER STREQUAL "CMAKE_${lang}_COMPILER-NOTFOUND" AND CMAKE_HOST_APPLE)
foreach(comp ${CMAKE_${lang}_COMPILER_LIST})
execute_process(COMMAND xcrun --find ${comp}
macro(_query_xcrun compiler_name result_var_keyword result_var)
if(NOT "x${result_var_keyword}" STREQUAL "xRESULT_VAR")
message(FATAL_ERROR "Bad arguments to macro")
endif()
execute_process(COMMAND xcrun --find ${compiler_name}
OUTPUT_VARIABLE _xcrun_out OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_VARIABLE _xcrun_err)
if(_xcrun_out)
set_property(CACHE CMAKE_${lang}_COMPILER PROPERTY VALUE "${_xcrun_out}")
set("${result_var}" "${_xcrun_out}")
endmacro()
foreach(comp ${CMAKE_${lang}_COMPILER_LIST})
_query_xcrun("${comp}" RESULT_VAR _xcrun_result)
if(_xcrun_result)
set_property(CACHE CMAKE_${lang}_COMPILER PROPERTY VALUE "${_xcrun_result}")
break()
endif()
endforeach()