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author | Andreas Schneider <asn@cynapses.org> | 2010-09-08 11:18:37 +0200 |
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committer | Andreas Schneider <asn@cynapses.org> | 2010-09-08 11:20:10 +0200 |
commit | 254a08f540052250e67c5ca547f03e52c9f7d776 (patch) | |
tree | b0c7ae680407096f08f5b531e3332eb210cd5168 /cmake/Modules | |
parent | 76ead916ce60c472aa086ab11f80dd8a436822ab (diff) | |
download | libssh-254a08f540052250e67c5ca547f03e52c9f7d776.tar.gz libssh-254a08f540052250e67c5ca547f03e52c9f7d776.tar.xz libssh-254a08f540052250e67c5ca547f03e52c9f7d776.zip |
build: Cleanup DefineCompilerFlags.
Diffstat (limited to 'cmake/Modules')
-rw-r--r-- | cmake/Modules/DefineCompilerFlags.cmake | 106 |
1 files changed, 57 insertions, 49 deletions
diff --git a/cmake/Modules/DefineCompilerFlags.cmake b/cmake/Modules/DefineCompilerFlags.cmake index 39964d76..89ab2440 100644 --- a/cmake/Modules/DefineCompilerFlags.cmake +++ b/cmake/Modules/DefineCompilerFlags.cmake @@ -4,57 +4,65 @@ include(CheckCCompilerFlag) include(MacroCheckCCompilerFlagSSP) if (UNIX AND NOT WIN32) - if (${CMAKE_C_COMPILER_ID} MATCHES GNU) - # add -Wconversion ? - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute") - - # with -fPIC - check_c_compiler_flag("-fPIC" WITH_FPIC) - if (WITH_FPIC) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") - endif (WITH_FPIC) - - check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR) - if (WITH_STACK_PROTECTOR) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector") - endif (WITH_STACK_PROTECTOR) - - check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE) - if (WITH_FORTIFY_SOURCE) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2") - endif (WITH_FORTIFY_SOURCE) - - endif (${CMAKE_C_COMPILER_ID} MATCHES GNU) - - if (CMAKE_SIZEOF_VOID_P MATCHES "8") - # with large file support - execute_process( - COMMAND - getconf LFS64_CFLAGS - OUTPUT_VARIABLE - _lfs_CFLAGS - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - ) - else (CMAKE_SIZEOF_VOID_P MATCHES "8") - # with large file support - execute_process( - COMMAND - getconf LFS_CFLAGS - OUTPUT_VARIABLE - _lfs_CFLAGS - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - ) - endif (CMAKE_SIZEOF_VOID_P MATCHES "8") - if (_lfs_CFLAGS) - string(REGEX REPLACE "[\r\n]" " " "${_lfs_CFLAGS}" "${${_lfs_CFLAGS}}") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_lfs_CFLAGS}") - endif (_lfs_CFLAGS) + # + # Define GNUCC compiler flags + # + if (${CMAKE_C_COMPILER_ID} MATCHES GNU) + # add -Wconversion ? + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-format-attribute") + + # with -fPIC + check_c_compiler_flag("-fPIC" WITH_FPIC) + if (WITH_FPIC) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") + endif (WITH_FPIC) + + check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR) + if (WITH_STACK_PROTECTOR) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector") + endif (WITH_STACK_PROTECTOR) + + check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE) + if (WITH_FORTIFY_SOURCE) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2") + endif (WITH_FORTIFY_SOURCE) + endif (${CMAKE_C_COMPILER_ID} MATCHES GNU) + + # + # Check for large filesystem support + # + if (CMAKE_SIZEOF_VOID_P MATCHES "8") + # with large file support + execute_process( + COMMAND + getconf LFS64_CFLAGS + OUTPUT_VARIABLE + _lfs_CFLAGS + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + else (CMAKE_SIZEOF_VOID_P MATCHES "8") + # with large file support + execute_process( + COMMAND + getconf LFS_CFLAGS + OUTPUT_VARIABLE + _lfs_CFLAGS + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + endif (CMAKE_SIZEOF_VOID_P MATCHES "8") + if (_lfs_CFLAGS) + string(REGEX REPLACE "[\r\n]" " " "${_lfs_CFLAGS}" "${${_lfs_CFLAGS}}") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_lfs_CFLAGS}") + endif (_lfs_CFLAGS) endif (UNIX AND NOT WIN32) -# suppress warning about "deprecated" functions if (MSVC) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS") + # Suppress warning about "deprecated" functions + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS") endif (MSVC) |