73 строки
2.5 KiB
CMake
73 строки
2.5 KiB
CMake
# 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 "${CMAKE_C_FLAGS} -fstack-protector")
|
|
endif (WITH_STACK_PROTECTOR)
|
|
|
|
check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
|
|
if (WITH_FORTIFY_SOURCE)
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2")
|
|
endif (WITH_FORTIFY_SOURCE)
|
|
endif (${CMAKE_C_COMPILER_ID} MATCHES "(GNU|Clang)")
|
|
|
|
#
|
|
# Check for large filesystem support
|
|
#
|
|
if (CMAKE_SIZEOF_VOID_P MATCHES "8")
|
|
# with large file support
|
|
execute_process(
|
|
COMMAND
|
|
getconf LFS64_CFLAGS
|
|
OUTPUT_VARIABLE
|
|
_lfs_CFLAGS
|
|
ERROR_QUIET
|
|
OUTPUT_STRIP_TRAILING_WHITESPACE
|
|
)
|
|
else (CMAKE_SIZEOF_VOID_P MATCHES "8")
|
|
# with large file support
|
|
execute_process(
|
|
COMMAND
|
|
getconf LFS_CFLAGS
|
|
OUTPUT_VARIABLE
|
|
_lfs_CFLAGS
|
|
ERROR_QUIET
|
|
OUTPUT_STRIP_TRAILING_WHITESPACE
|
|
)
|
|
endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
|
|
if (_lfs_CFLAGS)
|
|
string(REGEX REPLACE "[\r\n]" " " "${_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)
|