------------------------------------------------------------ revno: 3734 committer: Anton Gladky <[email protected]> timestamp: Tue 2013-10-29 16:16:57 +0100 message: Add -ftrack-macro-expansion=0, if gcc>=4.8 See http://bugs.debian.org/726009 for more information modified: CMakeLists.txt
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=== modified file 'CMakeLists.txt' --- CMakeLists.txt 2013-10-09 05:37:48 +0000 +++ CMakeLists.txt 2013-10-29 15:16:57 +0000 @@ -39,6 +39,19 @@ INCLUDE(FindPythonModule) INCLUDE(GNUInstallDirs) #=========================================================== +# HACK!!! If the version of gcc is 4.8 or greater, we add -ftrack-macro-expansion=0 +# to compiler to reduce the memory consumption during compilation step. +# See http://bugs.debian.org/726009 for more information +# Can be removed later, if gcc fixes its regression +# Taken from http://stackoverflow.com/questions/4058565/check-gcc-minor-in-cmake + +EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION) +IF (GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8) + MESSAGE(STATUS "GCC Version >= 4.8. Adding -ftrack-macro-expansion=0") + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftrack-macro-expansion=0 ") +ENDIF() + +#=========================================================== IF (CMAKE_CXX_FLAGS) #If flags are set, add only neccessary flags IF (DEBUG)
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