CMake: make detection of <stdint.h>, <stdbool.h> and strtof() dependent of BUILD_STRICT_C90
This commit is contained in:
Hugues Delorme
parent
3775dca27c
commit
e4dd893ea2
@ -9,37 +9,37 @@ project(gmio C)
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#set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
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# Options
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option(BUILD_SHARED_LIBS "Build shared libraries (DLL)" ON)
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option(BUILD_STRICT_C90 "Build with strict conformance to C90 standard, if disabled, C99 features can be used (eg. fabsf(), strtof(), ...)" ON)
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option(BUILD_WITH_LIBSTL "Build the libSTL module" ON)
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option(BUILD_SHARED_LIBS "Build shared libraries (DLL)" ON)
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option(BUILD_STRICT_C90 "Build with strict conformance to C90 standard. If disabled, C99 features can be used (eg. strtof(), <stdint.h>, ...)" ON)
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option(BUILD_WITH_LIBSTL "Build the libSTL module" ON)
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# Add core source files
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file(GLOB ALL_SRC_FILES src/gmio_core/* src/gmio_core/internal/*)
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set(ALL_SRC_FILES ${ALL_SRC_FILES})
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# Have <stdint.h> ?
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check_include_files(stdint.h GMIO_HAVE_STDINT_H)
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# Have <stdbool.h> ?
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check_include_files(stdbool.h GMIO_HAVE_STDBOOL_H)
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# Have strtof() ?
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if(NOT BUILD_STRICT_C90)
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check_function_exists(strtof GMIO_HAVE_STRTOF_FUNC)
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# Have <stdint.h> ?
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check_include_files(stdint.h GMIO_HAVE_STDINT_H)
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# Have strtof() ?
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check_function_exists(strtof GMIO_HAVE_STRTOF_FUNC)
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# Have <stdbool.h> ?
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check_include_files(stdbool.h GMIO_HAVE_STDBOOL_H)
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endif()
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# Have builtin byte swap functions ?
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if(CMAKE_COMPILER_IS_GNUCC)
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# __builtin_bswap16() is missing in x86 GCC version prior to v4.7
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# See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624
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check_c_source_compiles("int main() { return (int)__builtin_bswap16(0x1122); }"
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GMIO_HAVE_GCC_BUILTIN_BSWAP16_FUNC)
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check_c_source_compiles("int main() { return (int)__builtin_bswap32(0x11223344); }"
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GMIO_HAVE_GCC_BUILTIN_BSWAP32_FUNC)
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# __builtin_bswap16() is missing in x86 GCC version prior to v4.7
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# See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624
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check_c_source_compiles("int main() { return (int)__builtin_bswap16(0x1122); }"
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GMIO_HAVE_GCC_BUILTIN_BSWAP16_FUNC)
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check_c_source_compiles("int main() { return (int)__builtin_bswap32(0x11223344); }"
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GMIO_HAVE_GCC_BUILTIN_BSWAP32_FUNC)
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elseif(MSVC)
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check_c_source_compiles("#include <stdlib.h>
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int main() { return (int)_byteswap_ulong(0x11223344); }"
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GMIO_HAVE_MSVC_BUILTIN_BSWAP_FUNC)
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check_c_source_compiles("#include <stdlib.h>
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int main() { return (int)_byteswap_ulong(0x11223344); }"
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GMIO_HAVE_MSVC_BUILTIN_BSWAP_FUNC)
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endif()
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configure_file(src/gmio_core/config.h.cmake config.h @ONLY)
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@ -47,24 +47,24 @@ include_directories(${CMAKE_BINARY_DIR}) # For generated "config.h"
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# Specific flags for GCC
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if(CMAKE_COMPILER_IS_GNUCC)
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if (BUILD_STRICT_C90)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ansi")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors -fstrict-aliasing")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Winline -Wextra -Wstrict-aliasing -Wcast-align -Wlogical-op -Wfloat-equal")
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# Force PIC for GCC, see : https://www.gentoo.org/proj/en/base/amd64/howtos/index.xml?part=1&chap=3
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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if(BUILD_STRICT_C90)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ansi")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors -fstrict-aliasing")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Winline -Wextra -Wstrict-aliasing -Wcast-align -Wlogical-op -Wfloat-equal")
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# Force PIC for GCC, see : https://www.gentoo.org/proj/en/base/amd64/howtos/index.xml?part=1&chap=3
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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endif()
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# Specific flags for Visual C++
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if(MSVC)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -TC")
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add_definitions(-D_CRT_SECURE_NO_WARNINGS)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -TC")
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add_definitions(-D_CRT_SECURE_NO_WARNINGS)
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endif()
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if(BUILD_SHARED_LIBS)
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add_definitions(-DGMIO_LIB_DLL
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-DGMIO_LIB_MAKE_DLL)
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add_definitions(-DGMIO_LIB_DLL
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-DGMIO_LIB_MAKE_DLL)
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endif()
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# Declare installs
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@ -75,13 +75,13 @@ install(FILES ${C_CORE_HEADERS} DESTINATION include/gmio_core)
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# Module libSTL
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if(BUILD_WITH_LIBSTL)
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if(BUILD_SHARED_LIBS)
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add_definitions(-DGMIO_LIBSTL_DLL
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-DGMIO_LIBSTL_MAKE_DLL)
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endif()
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if(BUILD_SHARED_LIBS)
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add_definitions(-DGMIO_LIBSTL_DLL
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-DGMIO_LIBSTL_MAKE_DLL)
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endif()
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file(GLOB ALL_LIBSTL_SRC_FILES src/gmio_stl/* src/gmio_stl/internal/*)
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set(ALL_SRC_FILES ${ALL_SRC_FILES} ${ALL_LIBSTL_SRC_FILES})
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file(GLOB ALL_LIBSTL_SRC_FILES src/gmio_stl/* src/gmio_stl/internal/*)
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set(ALL_SRC_FILES ${ALL_SRC_FILES} ${ALL_LIBSTL_SRC_FILES})
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endif()
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file(GLOB C_LIBSTL_HEADERS src/gmio_stl/*.h)
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@ -124,6 +124,9 @@ add_executable(test_internal EXCLUDE_FROM_ALL tests/stream_buffer.c
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src/gmio_core/stream.c
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src/gmio_core/internal/ascii_parse.c)
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add_executable(test_platform EXCLUDE_FROM_ALL tests/test_platform.c)
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add_test(test_internal test_internal)
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add_test(test_platform test_platform)
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add_dependencies(check test_internal test_platform)
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add_dependencies(check test_internal
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test_platform)
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