CMake support added

1 files changed, 123 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..a4870fe5
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,123 @@
+cmake_minimum_required(VERSION 3.12)
+
+project(FLAC VERSION 1.3.2 HOMEPAGE_URL "https://www.xiph.org/flac/")
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+option(BUILD_CXXLIBS "Build libFLAC++" ON)
+option(BUILD_EXAMPLES "Build and install examples" ON)
+
+if(CMAKE_C_COMPILER_ID MATCHES "GNU|Clang")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Waggregate-return -Wcast-align -Wnested-externs -Wshadow -Wundef -Wmissing-declarations -Winline")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wcast-align -Wshadow -Wwrite-strings -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Wsign-promo -Wundef")
+
+    if(CMAKE_BULD_TYPE STREQUAL Release)
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -funroll-loops")
+    endif()
+
+    option(ENABLE_SSP "Enable GNU GCC stack smash protection" OFF)
+endif()
+
+include(CMakePackageConfigHelpers)
+include(CPack)
+include(CTest)
+include(CheckCCompilerFlag)
+include(CheckCXXCompilerFlag)
+include(CheckSymbolExists)
+include(CheckFunctionExists)
+include(CheckIncludeFile)
+include(CheckCSourceCompiles)
+include(CheckCXXSourceCompiles)
+include(GNUInstallDirs)
+include(UseSystemExtensions)
+include(TestBigEndian)
+
+check_include_file("byteswap.h" HAVE_BYTESWAP_H)
+check_include_file("inttypes.h" HAVE_INTTYPES_H)
+check_include_file("stdint.h" HAVE_STDINT_H)
+check_include_file("x86intrin.h" HAVE_X86INTRIN_H)
+
+check_c_source_compiles("int main() { return __builtin_bswap16 (0) ; }" HAVE_BSWAP16)
+check_c_source_compiles("int main() { return __builtin_bswap32 (0) ; }" HAVE_BSWAP32)
+
+test_big_endian(CPU_IS_BIG_ENDIAN)
+
+check_c_compiler_flag(-Werror HAVE_WERROR_FLAG)
+check_c_compiler_flag(-Wdeclaration-after-statement HAVE_DECL_AFTER_STMT_FLAG)
+check_c_compiler_flag("-fstack-protector --param ssp-buffer-size=4" HAVE_SSP_FLAG)
+check_c_compiler_flag(-mstackrealign HAVE_STACKREALIGN_FLAG)
+check_cxx_compiler_flag(-Weffc++ HAVE_WEFFCXX_FLAG)
+
+if(HAVE_WERROR_FLAG)
+    option(ENABLE_WERROR "Enable -Werror in all Makefiles" OFF)
+endif()
+
+add_compile_definitions(
+    PACKAGE_VERSION="${PROJECT_VERSION}"
+    $<$<BOOL:${HAVE_BYTESWAP_H}>:HAVE_BYTESWAP_H>
+    $<$<BOOL:${HAVE_INTTYPES_H}>:HAVE_INTTYPES_H>
+    $<$<BOOL:${HAVE_STDINT_H}>:HAVE_STDINT_H>
+    $<$<BOOL:${MSVC}>:_CRT_SECURE_NO_WARNINGS>
+    CPU_IS_BIG_ENDIAN=$<BOOL:${CPU_IS_BIG_ENDIAN}>
+    CPU_IS_LITTLE_ENDIAN=$<NOT:$<BOOL:${CPU_IS_BIG_ENDIAN}>>
+    FLAC__HAS_X86INTRIN=$<BOOL:${HAVE_X86INTRIN_H}>
+    HAVE_BSWAP16=$<BOOL:${HAVE_BSWAP16}>
+    HAVE_BSWAP32=$<BOOL:${HAVE_BSWAP32}>)
+
+add_compile_options(
+    $<$<BOOL:${MSVC}>:/wd4267>
+    $<$<BOOL:${MSVC}>:/wd4996>
+    $<$<BOOL:${ENABLE_WERROR}>:-Werror>
+    $<$<AND:$<BOOL:${HAVE_SSP_FLAG}>,$<BOOL:${ENABLE_SSP}>>:-fstack-protector>
+    $<$<AND:$<BOOL:${HAVE_SSP_FLAG}>,$<BOOL:${ENABLE_SSP}>>:--param>
+    $<$<AND:$<BOOL:${HAVE_SSP_FLAG}>,$<BOOL:${ENABLE_SSP}>>:ssp-buffer-size=4>)
+
+if(HAVE_WEFFCXX_FLAG)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weffc++")
+endif()
+if(HAVE_DECL_AFTER_STMT_FLAG)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wdeclaration-after-statement")
+endif()
+
+if(CMAKE_SYSTEM_PROCESSOR STREQUAL "i686" AND HAVE_STACKREALIGN_FLAG)
+    add_compile_options(-mstackrealign)
+endif()
+
+include_directories("include")
+
+add_subdirectory("doc")
+add_subdirectory("src")
+add_subdirectory("microbench")
+if(BUILD_EXAMPLES)
+    add_subdirectory("examples")
+endif()
+
+if(WIN32)
+    set(EXEEXT .exe)
+endif()
+set(top_srcdir "${CMAKE_CURRENT_SOURCE_DIR}")
+set(top_builddir "${CMAKE_CURRENT_BINARY_DIR}")
+configure_file(test/common.sh.in test/common.sh @ONLY)
+
+install(
+    EXPORT targets
+    DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake"
+    NAMESPACE FLAC::)
+
+configure_package_config_file(
+    flac-config.cmake.in flac-config.cmake
+    INSTALL_DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake")
+write_basic_package_version_file(
+    flac-config-version.cmake COMPATIBILITY AnyNewerVersion)
+
+install(
+    FILES
+        "${CMAKE_CURRENT_BINARY_DIR}/flac-config.cmake"
+        "${CMAKE_CURRENT_BINARY_DIR}/flac-config-version.cmake"
+    DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/cmake")
+
+file(GLOB FLAC_HEADERS "include/FLAC/*.h")
+file(GLOB FLACXX_HEADERS "include/FLAC++/*.h")
+install(FILES ${FLAC_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/FLAC")
+install(FILES ${FLACXX_HEADERS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/FLAC++")
+install(FILES "man/flac.1" "man/metaflac.1" DESTINATION "${CMAKE_INSTALL_MANDIR}")