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49 lines
1.3 KiB
CMake
49 lines
1.3 KiB
CMake
# define system dependent compiler flags
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include(CheckCXXCompilerFlag)
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if (UNIX AND NOT WIN32)
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# with -fPIC
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if (CMAKE_SIZEOF_VOID_P MATCHES "8")
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check_cxx_compiler_flag("-fPIC" WITH_FPIC)
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if (WITH_FPIC)
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add_definitions(-fPIC)
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endif (WITH_FPIC)
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# with large file support
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execute_process(
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COMMAND
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getconf LFS64_CFLAGS
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OUTPUT_VARIABLE
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_lfs_CFLAGS
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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else (CMAKE_SIZEOF_VOID_P MATCHES "8")
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# with large file support
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execute_process(
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COMMAND
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getconf LFS_CFLAGS
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OUTPUT_VARIABLE
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_lfs_CFLAGS
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
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string(REGEX REPLACE "[\r\n]" " " ${_lfs_CFLAGS} "${${_lfs_CFLAGS}}")
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add_definitions(${_lfs_CFLAGS})
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add_definitions(-Wall -W -Wmissing-prototypes -Wdeclaration-after-statement -Wreturn-type -Wunused)
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check_cxx_compiler_flag("-fstack-protector" WITH_STACK_PROTECTOR)
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if (WITH_STACK_PROTECTOR)
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add_definitions(-fstack-protector)
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endif (WITH_STACK_PROTECTOR)
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check_cxx_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
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if (WITH_FORTIFY_SOURCE)
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add_definitions(-D_FORTIFY_SOURCE=2)
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endif (WITH_FORTIFY_SOURCE)
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endif (UNIX AND NOT WIN32)
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