mirror of https://github.com/google/snappy.git
303 lines
9.7 KiB
CMake
303 lines
9.7 KiB
CMake
# Copyright 2019 Google Inc. All Rights Reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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cmake_minimum_required(VERSION 3.1)
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project(Snappy VERSION 1.1.8 LANGUAGES C CXX)
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# C++ standard can be overridden when this is used as a sub-project.
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if(NOT CMAKE_CXX_STANDARD)
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# This project requires C++11.
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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endif(NOT CMAKE_CXX_STANDARD)
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# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
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# it prominent in the GUI.
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option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
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option(SNAPPY_BUILD_TESTS "Build Snappy's own tests." ON)
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option(SNAPPY_FUZZING_BUILD "Build Snappy for fuzzing." OFF)
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option(SNAPPY_REQUIRE_AVX "Target processors with AVX support." OFF)
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option(SNAPPY_REQUIRE_AVX2 "Target processors with AVX2 support." OFF)
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option(SNAPPY_INSTALL "Install Snappy's header and library" ON)
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include(TestBigEndian)
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test_big_endian(SNAPPY_IS_BIG_ENDIAN)
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include(CheckIncludeFile)
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check_include_file("sys/mman.h" HAVE_SYS_MMAN_H)
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check_include_file("sys/resource.h" HAVE_SYS_RESOURCE_H)
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check_include_file("sys/time.h" HAVE_SYS_TIME_H)
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check_include_file("sys/uio.h" HAVE_SYS_UIO_H)
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check_include_file("unistd.h" HAVE_UNISTD_H)
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check_include_file("windows.h" HAVE_WINDOWS_H)
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include(CheckLibraryExists)
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check_library_exists(z zlibVersion "" HAVE_LIBZ)
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check_library_exists(lzo2 lzo1x_1_15_compress "" HAVE_LIBLZO2)
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include(CheckCXXCompilerFlag)
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CHECK_CXX_COMPILER_FLAG("/arch:AVX" HAVE_VISUAL_STUDIO_ARCH_AVX)
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CHECK_CXX_COMPILER_FLAG("/arch:AVX2" HAVE_VISUAL_STUDIO_ARCH_AVX2)
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CHECK_CXX_COMPILER_FLAG("-mavx" HAVE_CLANG_MAVX)
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CHECK_CXX_COMPILER_FLAG("-mbmi2" HAVE_CLANG_MBMI2)
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if(SNAPPY_REQUIRE_AVX2)
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if(HAVE_VISUAL_STUDIO_ARCH_AVX2)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2")
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endif(HAVE_VISUAL_STUDIO_ARCH_AVX2)
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if(HAVE_CLANG_MAVX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
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endif(HAVE_CLANG_MAVX)
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if(HAVE_CLANG_MBMI2)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mbmi2")
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endif(HAVE_CLANG_MBMI2)
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elseif (SNAPPY_REQUIRE_AVX)
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if(HAVE_VISUAL_STUDIO_ARCH_AVX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX")
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endif(HAVE_VISUAL_STUDIO_ARCH_AVX)
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if(HAVE_CLANG_MAVX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")
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endif(HAVE_CLANG_MAVX)
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endif(SNAPPY_REQUIRE_AVX2)
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("
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int main() {
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return __builtin_expect(0, 1);
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}" HAVE_BUILTIN_EXPECT)
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check_cxx_source_compiles("
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int main() {
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return __builtin_ctzll(0);
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}" HAVE_BUILTIN_CTZ)
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check_cxx_source_compiles("
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__attribute__((always_inline)) int zero() { return 0; }
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int main() {
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return zero();
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}" HAVE_ATTRIBUTE_ALWAYS_INLINE)
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check_cxx_source_compiles("
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#include <tmmintrin.h>
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int main() {
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const __m128i *src = 0;
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__m128i dest;
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const __m128i shuffle_mask = _mm_load_si128(src);
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const __m128i pattern = _mm_shuffle_epi8(_mm_loadl_epi64(src), shuffle_mask);
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_mm_storeu_si128(&dest, pattern);
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return 0;
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}" SNAPPY_HAVE_SSSE3)
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check_cxx_source_compiles("
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#include <immintrin.h>
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int main() {
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return _bzhi_u32(0, 1);
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}" SNAPPY_HAVE_BMI2)
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include(CheckSymbolExists)
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check_symbol_exists("mmap" "sys/mman.h" HAVE_FUNC_MMAP)
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check_symbol_exists("sysconf" "unistd.h" HAVE_FUNC_SYSCONF)
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find_package(GTest QUIET)
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if(GTEST_FOUND)
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set(HAVE_GTEST 1)
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endif(GTEST_FOUND)
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find_package(Gflags QUIET)
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if(GFLAGS_FOUND)
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set(HAVE_GFLAGS 1)
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endif(GFLAGS_FOUND)
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configure_file(
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"cmake/config.h.in"
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"${PROJECT_BINARY_DIR}/config.h"
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)
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# We don't want to define HAVE_ macros in public headers. Instead, we use
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# CMake's variable substitution with 0/1 variables, which will be seen by the
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# preprocessor as constants.
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set(HAVE_SYS_UIO_H_01 ${HAVE_SYS_UIO_H})
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if(NOT HAVE_SYS_UIO_H_01)
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set(HAVE_SYS_UIO_H_01 0)
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endif(NOT HAVE_SYS_UIO_H_01)
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if (SNAPPY_FUZZING_BUILD)
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if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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message(WARNING "Fuzzing builds are only supported with Clang")
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endif (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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if(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=address")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
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endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=address")
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if(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=fuzzer-no-link")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer-no-link")
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endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=fuzzer-no-link")
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endif (SNAPPY_FUZZING_BUILD)
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configure_file(
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"snappy-stubs-public.h.in"
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"${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
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add_library(snappy "")
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target_sources(snappy
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PRIVATE
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"snappy-internal.h"
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"snappy-stubs-internal.h"
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"snappy-c.cc"
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"snappy-sinksource.cc"
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"snappy-stubs-internal.cc"
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"snappy.cc"
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"${PROJECT_BINARY_DIR}/config.h"
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# Only CMake 3.3+ supports PUBLIC sources in targets exported by "install".
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$<$<VERSION_GREATER:CMAKE_VERSION,3.2>:PUBLIC>
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy-c.h>
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$<INSTALL_INTERFACE:include/snappy-c.h>
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy-sinksource.h>
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$<INSTALL_INTERFACE:include/snappy-sinksource.h>
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/snappy.h>
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$<INSTALL_INTERFACE:include/snappy.h>
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$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/snappy-stubs-public.h>
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$<INSTALL_INTERFACE:include/snappy-stubs-public.h>
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)
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target_include_directories(snappy
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PUBLIC
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$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:include>
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)
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set_target_properties(snappy
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PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR})
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target_compile_definitions(snappy PRIVATE -DHAVE_CONFIG_H)
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if(BUILD_SHARED_LIBS)
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set_target_properties(snappy PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)
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endif(BUILD_SHARED_LIBS)
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if(SNAPPY_BUILD_TESTS)
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enable_testing()
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add_executable(snappy_unittest "")
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target_sources(snappy_unittest
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PRIVATE
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"snappy_unittest.cc"
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"snappy-test.cc"
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)
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target_compile_definitions(snappy_unittest PRIVATE -DHAVE_CONFIG_H)
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target_link_libraries(snappy_unittest snappy ${GFLAGS_LIBRARIES})
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if(HAVE_LIBZ)
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target_link_libraries(snappy_unittest z)
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endif(HAVE_LIBZ)
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if(HAVE_LIBLZO2)
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target_link_libraries(snappy_unittest lzo2)
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endif(HAVE_LIBLZO2)
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target_include_directories(snappy_unittest
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BEFORE PRIVATE
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"${PROJECT_SOURCE_DIR}"
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"${GTEST_INCLUDE_DIRS}"
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"${GFLAGS_INCLUDE_DIRS}"
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)
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add_test(
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NAME snappy_unittest
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WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
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COMMAND "${PROJECT_BINARY_DIR}/snappy_unittest")
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endif(SNAPPY_BUILD_TESTS)
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if(SNAPPY_FUZZING_BUILD)
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add_executable(snappy_compress_fuzzer "")
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target_sources(snappy_compress_fuzzer
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PRIVATE "snappy_compress_fuzzer.cc"
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)
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target_link_libraries(snappy_compress_fuzzer snappy)
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set_target_properties(snappy_compress_fuzzer
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PROPERTIES LINK_FLAGS "-fsanitize=fuzzer"
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)
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add_executable(snappy_uncompress_fuzzer "")
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target_sources(snappy_uncompress_fuzzer
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PRIVATE "snappy_uncompress_fuzzer.cc"
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)
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target_link_libraries(snappy_uncompress_fuzzer snappy)
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set_target_properties(snappy_uncompress_fuzzer
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PROPERTIES LINK_FLAGS "-fsanitize=fuzzer"
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)
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endif(SNAPPY_FUZZING_BUILD)
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# Must be included before CMAKE_INSTALL_INCLUDEDIR is used.
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include(GNUInstallDirs)
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if(SNAPPY_INSTALL)
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install(TARGETS snappy
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EXPORT SnappyTargets
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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)
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install(
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FILES
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"snappy-c.h"
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"snappy-sinksource.h"
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"snappy.h"
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"${PROJECT_BINARY_DIR}/snappy-stubs-public.h"
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
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)
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include(CMakePackageConfigHelpers)
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configure_package_config_file(
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"cmake/${PROJECT_NAME}Config.cmake.in"
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"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
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INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
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)
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write_basic_package_version_file(
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"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
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COMPATIBILITY SameMajorVersion
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)
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install(
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EXPORT SnappyTargets
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NAMESPACE Snappy::
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
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)
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install(
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FILES
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"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
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"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
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DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
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)
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endif(SNAPPY_INSTALL)
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