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-rw-r--r--Modules/CMakeDetermineCompilerId.cmake36
1 files changed, 35 insertions, 1 deletions
diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake
index f4b9bb0..d0c1ea5 100644
--- a/Modules/CMakeDetermineCompilerId.cmake
+++ b/Modules/CMakeDetermineCompilerId.cmake
@@ -107,7 +107,41 @@ Id flags: ${testflags}
")
# Compile the compiler identification source.
- if(0)
+ if("${CMAKE_GENERATOR}" MATCHES "Xcode")
+ set(id_lang "${lang}")
+ set(id_type ${CMAKE_${lang}_COMPILER_XCODE_TYPE})
+ set(id_dir ${CMAKE_${lang}_COMPILER_ID_DIR})
+ get_filename_component(id_src "${src}" NAME)
+ if(NOT ${XCODE_VERSION} VERSION_LESS 3)
+ set(v 3)
+ set(ext xcodeproj)
+ elseif(NOT ${XCODE_VERSION} VERSION_LESS 2)
+ set(v 2)
+ set(ext xcodeproj)
+ else()
+ set(v 1)
+ set(ext xcode)
+ endif()
+ configure_file(${CMAKE_ROOT}/Modules/CompilerId/Xcode-${v}.pbxproj.in
+ ${id_dir}/CompilerId${lang}.${ext}/project.pbxproj @ONLY IMMEDIATE)
+ 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_${lang}_COMPILER_ID_RESULT
+ )
+
+ # Match the link line from xcodebuild output of the form
+ # Ld ...
+ # ...
+ # /path/to/cc ...CompilerId${lang}/...
+ # to extract the compiler front-end for the language.
+ if("${CMAKE_${lang}_COMPILER_ID_OUTPUT}" MATCHES "\nLd[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]*-o[^\r\n]*CompilerId${lang}/\\./CompilerId${lang}[ \t\n\\\"]")
+ set(_comp "${CMAKE_MATCH_2}")
+ if(EXISTS "${_comp}")
+ set(CMAKE_${lang}_COMPILER_ID_TOOL "${_comp}" PARENT_SCOPE)
+ endif()
+ endif()
else()
if(COMMAND EXECUTE_PROCESS)
execute_process(