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| author | Andreas Schneider <asn@cryptomilk.org> | 2013-02-05 17:18:31 +0100 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2013-02-07 16:58:18 +0100 |
| commit | 237c6e951a8268afeaa288d8ddf0c79da32f6fd1 (patch) | |
| tree | 682e9be946c28709c4cfb95fc72af7626f898786 /cmake/Modules/DefineCompilerFlags.cmake | |
| download | socket_wrapper-237c6e951a8268afeaa288d8ddf0c79da32f6fd1.tar.gz socket_wrapper-237c6e951a8268afeaa288d8ddf0c79da32f6fd1.tar.xz socket_wrapper-237c6e951a8268afeaa288d8ddf0c79da32f6fd1.zip | |
Initial commit.
Diffstat (limited to 'cmake/Modules/DefineCompilerFlags.cmake')
| -rw-r--r-- | cmake/Modules/DefineCompilerFlags.cmake | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/cmake/Modules/DefineCompilerFlags.cmake b/cmake/Modules/DefineCompilerFlags.cmake new file mode 100644 index 0000000..0283b12 --- /dev/null +++ b/cmake/Modules/DefineCompilerFlags.cmake @@ -0,0 +1,75 @@ +# define system dependent compiler flags + +include(CheckCCompilerFlag) +include(CheckCCompilerFlagSSP) + +if (UNIX AND NOT WIN32) + # + # Define GNUCC compiler flags + # + if (${CMAKE_C_COMPILER_ID} MATCHES "(GNU|Clang)") + + # add -Wconversion ? + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic -pedantic-errors") + 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 "${CMAKE_C_FLAGS} -fstack-protector") + endif (WITH_STACK_PROTECTOR) + + string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER) + if (NOT CMAKE_BUILD_TYPE_LOWER MATCHES debug) + check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE) + if (WITH_FORTIFY_SOURCE) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2") + endif (WITH_FORTIFY_SOURCE) + endif() + endif (${CMAKE_C_COMPILER_ID} MATCHES "(GNU|Clang)") + + # + # 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} ${_lfs_CFLAGS}") + endif (_lfs_CFLAGS) + +endif (UNIX AND NOT WIN32) + +if (MSVC) + # Use secure functions by defaualt and suppress warnings about + #"deprecated" functions + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES=1") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES_COUNT=1") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D _CRT_NONSTDC_NO_WARNINGS=1 /D _CRT_SECURE_NO_WARNINGS=1") +endif (MSVC) |