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KWSys: Work-around llvm-gcc-4.2 optimizer bug 

Under -O3 optimization this compiler breaks our testProcess.c source file.
We force -O0 for the file to avoid the problem.
This commit is contained in:
Brad King 2009-11-23 15:31:29 -05:00
parent 647d7105b4
commit 574902fef2
1 changed files with 5 additions and 0 deletions
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5
Source/kwsys/CMakeLists.txt
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@ -1095,6 +1095,11 @@ IF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
KWSYS_SET_PROPERTY(TEST kwsys.testProcess-${n} PROPERTY LABELS ${KWSYS_LABELS_TEST})
ENDFOREACH(n)
# Some Apple compilers produce bad optimizations in this source.
IF(APPLE AND "${CMAKE_C_COMPILER_ID}" MATCHES "^(GNU|LLVM)$")
SET_SOURCE_FILES_PROPERTIES(testProcess.c PROPERTIES COMPILE_FLAGS -O0)
ENDIF()
# Test SharedForward
CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/testSharedForward.c.in
${PROJECT_BINARY_DIR}/testSharedForward.c @ONLY IMMEDIATE)