snappy/CMakeLists.txt

256 lines
7.9 KiB
CMake

cmake_minimum_required(VERSION 3.1)
project(Snappy VERSION 1.1.7 LANGUAGES C CXX)
# This project requires C++11.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
# it prominent in the GUI.
option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
option(SNAPPY_BUILD_TESTS "Build Snappy's own tests." ON)
option(SNAPPY_FUZZING_BUILD "Build Snappy for fuzzing." OFF)
option(SNAPPY_REQUIRE_AVX "Target processors with AVX support." OFF)
option(SNAPPY_REQUIRE_AVX2 "Target processors with AVX2 support." OFF)
include(TestBigEndian)
test_big_endian(SNAPPY_IS_BIG_ENDIAN)
include(CheckIncludeFile)
check_include_file("byteswap.h" HAVE_BYTESWAP_H)
check_include_file("sys/endian.h" HAVE_SYS_ENDIAN_H)
check_include_file("sys/mman.h" HAVE_SYS_MMAN_H)
check_include_file("sys/resource.h" HAVE_SYS_RESOURCE_H)
check_include_file("sys/time.h" HAVE_SYS_TIME_H)
check_include_file("sys/uio.h" HAVE_SYS_UIO_H)
check_include_file("unistd.h" HAVE_UNISTD_H)
check_include_file("windows.h" HAVE_WINDOWS_H)
include(CheckLibraryExists)
check_library_exists(z zlibVersion "" HAVE_LIBZ)
check_library_exists(lzo2 lzo1x_1_15_compress "" HAVE_LIBLZO2)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG("/arch:AVX" HAVE_VISUAL_STUDIO_ARCH_AVX)
CHECK_CXX_COMPILER_FLAG("/arch:AVX2" HAVE_VISUAL_STUDIO_ARCH_AVX2)
CHECK_CXX_COMPILER_FLAG("-mavx" HAVE_CLANG_MAVX)
CHECK_CXX_COMPILER_FLAG("-mbmi2" HAVE_CLANG_MBMI2)
if(SNAPPY_REQUIRE_AVX2)
if(HAVE_VISUAL_STUDIO_ARCH_AVX2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2")
endif(HAVE_VISUAL_STUDIO_ARCH_AVX2)
if(HAVE_CLANG_MAVX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
endif(HAVE_CLANG_MAVX)
if(HAVE_CLANG_MBMI2)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mbmi2")
endif(HAVE_CLANG_MBMI2)
elseif (SNAPPY_REQUIRE_AVX)
if(HAVE_VISUAL_STUDIO_ARCH_AVX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX")
endif(HAVE_VISUAL_STUDIO_ARCH_AVX)
if(HAVE_CLANG_MAVX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
endif(HAVE_CLANG_MAVX)
endif(SNAPPY_REQUIRE_AVX2)
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
int main() {
return __builtin_expect(0, 1);
}" HAVE_BUILTIN_EXPECT)
check_cxx_source_compiles("
int main() {
return __builtin_ctzll(0);
}" HAVE_BUILTIN_CTZ)
check_cxx_source_compiles("
#include <tmmintrin.h>
int main() {
const __m128i *src = 0;
__m128i dest;
const __m128i shuffle_mask = _mm_load_si128(src);
const __m128i pattern = _mm_shuffle_epi8(_mm_loadl_epi64(src), shuffle_mask);
_mm_storeu_si128(&dest, pattern);
return 0;
}" SNAPPY_HAVE_SSSE3)
check_cxx_source_compiles("
#include <immintrin.h>
int main() {
return _bzhi_u32(0, 1);
}" SNAPPY_HAVE_BMI2)
include(CheckSymbolExists)
check_symbol_exists("mmap" "sys/mman.h" HAVE_FUNC_MMAP)
check_symbol_exists("sysconf" "unistd.h" HAVE_FUNC_SYSCONF)
find_package(GTest QUIET)
if(GTEST_FOUND)
set(HAVE_GTEST 1)
endif(GTEST_FOUND)
find_package(Gflags QUIET)
if(GFLAGS_FOUND)
set(HAVE_GFLAGS 1)
endif(GFLAGS_FOUND)
configure_file(
"${PROJECT_SOURCE_DIR}/cmake/config.h.in"
"${PROJECT_BINARY_DIR}/config.h"
)
# We don't want to define HAVE_ macros in public headers. Instead, we use
# CMake's variable substitution with 0/1 variables, which will be seen by the
# preprocessor as constants.
set(HAVE_SYS_UIO_H_01 ${HAVE_SYS_UIO_H})
if(NOT HAVE_SYS_UIO_H_01)
set(HAVE_SYS_UIO_H_01 0)
endif(NOT HAVE_SYS_UIO_H_01)
if (SNAPPY_FUZZING_BUILD)
if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
message(WARNING "Fuzzing builds are only supported with Clang")
endif (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
if(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=address")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=address")
if(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize-coverage=trace-pc-guard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize-coverage=trace-pc-guard")
endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize-coverage=trace-pc-guard")
endif (SNAPPY_FUZZING_BUILD)
configure_file(
"${PROJECT_SOURCE_DIR}/snappy-stubs-public.h.in"
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
add_library(snappy "")
target_sources(snappy
PRIVATE
"${PROJECT_SOURCE_DIR}/snappy-internal.h"
"${PROJECT_SOURCE_DIR}/snappy-stubs-internal.h"
"${PROJECT_SOURCE_DIR}/snappy-c.cc"
"${PROJECT_SOURCE_DIR}/snappy-sinksource.cc"
"${PROJECT_SOURCE_DIR}/snappy-stubs-internal.cc"
"${PROJECT_SOURCE_DIR}/snappy.cc"
"${PROJECT_BINARY_DIR}/config.h"
# Only CMake 3.3+ supports PUBLIC sources in targets exported by "install".
$<$<VERSION_GREATER:CMAKE_VERSION,3.2>:PUBLIC>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy-c.h>
$<INSTALL_INTERFACE:include/snappy-c.h>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy-sinksource.h>
$<INSTALL_INTERFACE:include/snappy-sinksource.h>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy.h>
$<INSTALL_INTERFACE:include/snappy.h>
$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/snappy-stubs-public.h>
$<INSTALL_INTERFACE:include/snappy-stubs-public.h>
)
target_include_directories(snappy
PUBLIC
$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>
)
set_target_properties(snappy
PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR})
target_compile_definitions(snappy PRIVATE -DHAVE_CONFIG_H)
if(BUILD_SHARED_LIBS)
set_target_properties(snappy PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)
endif(BUILD_SHARED_LIBS)
if(SNAPPY_BUILD_TESTS)
enable_testing()
add_executable(snappy_unittest "")
target_sources(snappy_unittest
PRIVATE
"${PROJECT_SOURCE_DIR}/snappy_unittest.cc"
"${PROJECT_SOURCE_DIR}/snappy-test.cc"
)
target_compile_definitions(snappy_unittest PRIVATE -DHAVE_CONFIG_H)
target_link_libraries(snappy_unittest snappy ${GFLAGS_LIBRARIES})
if(HAVE_LIBZ)
target_link_libraries(snappy_unittest z)
endif(HAVE_LIBZ)
if(HAVE_LIBLZO2)
target_link_libraries(snappy_unittest lzo2)
endif(HAVE_LIBLZO2)
target_include_directories(snappy_unittest
BEFORE PRIVATE
"${PROJECT_SOURCE_DIR}"
"${GTEST_INCLUDE_DIRS}"
"${GFLAGS_INCLUDE_DIRS}"
)
add_test(
NAME snappy_unittest
WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
COMMAND "${PROJECT_BINARY_DIR}/snappy_unittest")
endif(SNAPPY_BUILD_TESTS)
if(SNAPPY_FUZZING_BUILD)
add_executable(snappy_compress_fuzzer "")
target_sources(snappy_compress_fuzzer
PRIVATE "${PROJECT_SOURCE_DIR}/snappy_compress_fuzzer.cc"
)
target_link_libraries(snappy_compress_fuzzer snappy)
set_target_properties(snappy_compress_fuzzer
PROPERTIES LINK_FLAGS "-fsanitize=fuzzer"
)
add_executable(snappy_uncompress_fuzzer "")
target_sources(snappy_uncompress_fuzzer
PRIVATE "${PROJECT_SOURCE_DIR}/snappy_uncompress_fuzzer.cc"
)
target_link_libraries(snappy_uncompress_fuzzer snappy)
set_target_properties(snappy_uncompress_fuzzer
PROPERTIES LINK_FLAGS "-fsanitize=fuzzer"
)
endif(SNAPPY_FUZZING_BUILD)
include(GNUInstallDirs)
install(TARGETS snappy
EXPORT SnappyTargets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
install(
FILES
"${PROJECT_SOURCE_DIR}/snappy-c.h"
"${PROJECT_SOURCE_DIR}/snappy-sinksource.h"
"${PROJECT_SOURCE_DIR}/snappy.h"
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h"
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
)
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${PROJECT_BINARY_DIR}/SnappyConfigVersion.cmake"
COMPATIBILITY SameMajorVersion
)
install(
EXPORT SnappyTargets
NAMESPACE Snappy::
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Snappy"
)
install(
FILES
"${PROJECT_SOURCE_DIR}/cmake/SnappyConfig.cmake"
"${PROJECT_BINARY_DIR}/SnappyConfigVersion.cmake"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/Snappy"
)