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Add compile flags and test for compiler options only if we use gcc.

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This commit is contained in:
Andreas Schneider
2009-07-21 11:14:54 +02:00
parent 1a6038baa5
commit ef2c8d66f1
1 changed files with 41 additions and 42 deletions
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9
cmake/Modules/DefineCompilerFlags.cmake
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@ -3,6 +3,9 @@
include(CheckCCompilerFlag) include(CheckCCompilerFlag)
if (UNIX AND NOT WIN32) if (UNIX AND NOT WIN32)
if (CMAKE_COMPILER_IS_GNUCC)
add_definitions(-Wall -Wextra -Wmissing-prototypes -Wdeclaration-after-statement -Wunused)
# with -fPIC # with -fPIC
check_c_compiler_flag("-fPIC" WITH_FPIC) check_c_compiler_flag("-fPIC" WITH_FPIC)
if (WITH_FPIC) if (WITH_FPIC)
@ -34,10 +37,6 @@ if (UNIX AND NOT WIN32)
add_definitions(${_lfs_CFLAGS}) add_definitions(${_lfs_CFLAGS})
endif (CMAKE_SIZEOF_VOID_P MATCHES "8") endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
if (CMAKE_COMPILER_IS_GNUCC)
add_definitions(-Wall -Wextra -Wmissing-prototypes -Wdeclaration-after-statement -Wunused)
endif (CMAKE_COMPILER_IS_GNUCC)
check_c_compiler_flag("-fstack-protector" WITH_STACK_PROTECTOR) check_c_compiler_flag("-fstack-protector" WITH_STACK_PROTECTOR)
if (WITH_STACK_PROTECTOR) if (WITH_STACK_PROTECTOR)
add_definitions(-fstack-protector) add_definitions(-fstack-protector)
@ -47,5 +46,5 @@ if (UNIX AND NOT WIN32)
if (WITH_FORTIFY_SOURCE) if (WITH_FORTIFY_SOURCE)
add_definitions(-D_FORTIFY_SOURCE=2) add_definitions(-D_FORTIFY_SOURCE=2)
endif (WITH_FORTIFY_SOURCE) endif (WITH_FORTIFY_SOURCE)
endif (CMAKE_COMPILER_IS_GNUCC)
endif (UNIX AND NOT WIN32) endif (UNIX AND NOT WIN32)