mirror of https://github.com/google/snappy.git
Merge pull request #114 from cmumford:werror-only-clang
PiperOrigin-RevId: 347660305
This commit is contained in:
Victor Costan
commit
6badb0a261
742
CMakeLists.txt
742
CMakeLists.txt
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|
@ -1,370 +1,372 @@
|
|||
# Copyright 2019 Google Inc. All Rights Reserved.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions are
|
||||
# met:
|
||||
#
|
||||
# * Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce the above
|
||||
# copyright notice, this list of conditions and the following disclaimer
|
||||
# in the documentation and/or other materials provided with the
|
||||
# distribution.
|
||||
# * Neither the name of Google Inc. nor the names of its
|
||||
# contributors may be used to endorse or promote products derived from
|
||||
# this software without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
cmake_minimum_required(VERSION 3.1)
|
||||
project(Snappy VERSION 1.1.8 LANGUAGES C CXX)
|
||||
|
||||
# C++ standard can be overridden when this is used as a sub-project.
|
||||
if(NOT CMAKE_CXX_STANDARD)
|
||||
# This project requires C++11.
|
||||
set(CMAKE_CXX_STANDARD 11)
|
||||
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
||||
set(CMAKE_CXX_EXTENSIONS OFF)
|
||||
endif(NOT CMAKE_CXX_STANDARD)
|
||||
|
||||
# https://github.com/izenecloud/cmake/blob/master/SetCompilerWarningAll.cmake
|
||||
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
||||
# Use the highest warning level for Visual Studio.
|
||||
set(CMAKE_CXX_WARNING_LEVEL 4)
|
||||
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
||||
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
else(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
|
||||
endif(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
||||
|
||||
# Disable C++ exceptions.
|
||||
string(REGEX REPLACE "/EH[a-z]+" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-")
|
||||
add_definitions(-D_HAS_EXCEPTIONS=0)
|
||||
|
||||
# Disable RTTI.
|
||||
string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
|
||||
else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
||||
# Use -Wall for clang and gcc.
|
||||
if(NOT CMAKE_CXX_FLAGS MATCHES "-Wall")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-Wall")
|
||||
|
||||
# Use -Wextra for clang and gcc.
|
||||
if(NOT CMAKE_CXX_FLAGS MATCHES "-Wextra")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-Wextra")
|
||||
|
||||
# Use -Werror for clang and gcc.
|
||||
if(NOT CMAKE_CXX_FLAGS MATCHES "-Werror")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-Werror")
|
||||
|
||||
# Disable C++ exceptions.
|
||||
string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
|
||||
|
||||
# Disable RTTI.
|
||||
string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
|
||||
endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
||||
|
||||
# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
|
||||
# it prominent in the GUI.
|
||||
option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
|
||||
|
||||
option(SNAPPY_BUILD_TESTS "Build Snappy's own tests." ON)
|
||||
|
||||
option(SNAPPY_FUZZING_BUILD "Build Snappy for fuzzing." OFF)
|
||||
|
||||
option(SNAPPY_REQUIRE_AVX "Target processors with AVX support." OFF)
|
||||
|
||||
option(SNAPPY_REQUIRE_AVX2 "Target processors with AVX2 support." OFF)
|
||||
|
||||
option(SNAPPY_INSTALL "Install Snappy's header and library" ON)
|
||||
|
||||
include(TestBigEndian)
|
||||
test_big_endian(SNAPPY_IS_BIG_ENDIAN)
|
||||
|
||||
include(CheckIncludeFile)
|
||||
check_include_file("sys/mman.h" HAVE_SYS_MMAN_H)
|
||||
check_include_file("sys/resource.h" HAVE_SYS_RESOURCE_H)
|
||||
check_include_file("sys/time.h" HAVE_SYS_TIME_H)
|
||||
check_include_file("sys/uio.h" HAVE_SYS_UIO_H)
|
||||
check_include_file("unistd.h" HAVE_UNISTD_H)
|
||||
check_include_file("windows.h" HAVE_WINDOWS_H)
|
||||
|
||||
include(CheckLibraryExists)
|
||||
check_library_exists(z zlibVersion "" HAVE_LIBZ)
|
||||
check_library_exists(lzo2 lzo1x_1_15_compress "" HAVE_LIBLZO2)
|
||||
check_library_exists(lz4 LZ4_compress_default "" HAVE_LIBLZ4)
|
||||
|
||||
include(CheckCXXCompilerFlag)
|
||||
CHECK_CXX_COMPILER_FLAG("/arch:AVX" HAVE_VISUAL_STUDIO_ARCH_AVX)
|
||||
CHECK_CXX_COMPILER_FLAG("/arch:AVX2" HAVE_VISUAL_STUDIO_ARCH_AVX2)
|
||||
CHECK_CXX_COMPILER_FLAG("-mavx" HAVE_CLANG_MAVX)
|
||||
CHECK_CXX_COMPILER_FLAG("-mbmi2" HAVE_CLANG_MBMI2)
|
||||
if(SNAPPY_REQUIRE_AVX2)
|
||||
if(HAVE_VISUAL_STUDIO_ARCH_AVX2)
|
||||
set(CMAKE_CXX_FLAGS "${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)
|
||||
|
||||
# Used by googletest.
|
||||
check_cxx_compiler_flag(-Wno-missing-field-initializers
|
||||
SNAPPY_HAVE_NO_MISSING_FIELD_INITIALIZERS)
|
||||
|
||||
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("
|
||||
__attribute__((always_inline)) int zero() { return 0; }
|
||||
|
||||
int main() {
|
||||
return zero();
|
||||
}" HAVE_ATTRIBUTE_ALWAYS_INLINE)
|
||||
|
||||
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(Gflags QUIET)
|
||||
if(GFLAGS_FOUND OR GFLAGS_TARGET)
|
||||
set(HAVE_GFLAGS 1)
|
||||
endif(GFLAGS_FOUND OR GFLAGS_TARGET)
|
||||
|
||||
configure_file(
|
||||
"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=fuzzer-no-link")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer-no-link")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=fuzzer-no-link")
|
||||
endif (SNAPPY_FUZZING_BUILD)
|
||||
|
||||
configure_file(
|
||||
"snappy-stubs-public.h.in"
|
||||
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
|
||||
|
||||
add_library(snappy "")
|
||||
target_sources(snappy
|
||||
PRIVATE
|
||||
"snappy-internal.h"
|
||||
"snappy-stubs-internal.h"
|
||||
"snappy-c.cc"
|
||||
"snappy-sinksource.cc"
|
||||
"snappy-stubs-internal.cc"
|
||||
"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()
|
||||
|
||||
# Prevent overriding the parent project's compiler/linker settings on Windows.
|
||||
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
|
||||
set(install_gtest OFF)
|
||||
set(install_gmock OFF)
|
||||
set(build_gmock ON)
|
||||
|
||||
# This project is tested using GoogleTest.
|
||||
add_subdirectory("third_party/googletest")
|
||||
|
||||
# This project uses Google benchmark for benchmarking.
|
||||
set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
|
||||
set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "" FORCE)
|
||||
add_subdirectory("third_party/benchmark")
|
||||
|
||||
# GoogleTest triggers a missing field initializers warning.
|
||||
if(SNAPPY_HAVE_NO_MISSING_FIELD_INITIALIZERS)
|
||||
set_property(TARGET gtest
|
||||
APPEND PROPERTY COMPILE_OPTIONS -Wno-missing-field-initializers)
|
||||
set_property(TARGET gmock
|
||||
APPEND PROPERTY COMPILE_OPTIONS -Wno-missing-field-initializers)
|
||||
endif(SNAPPY_HAVE_NO_MISSING_FIELD_INITIALIZERS)
|
||||
|
||||
add_executable(snappy_unittest "")
|
||||
target_sources(snappy_unittest
|
||||
PRIVATE
|
||||
"snappy_unittest.cc"
|
||||
"snappy-test.cc"
|
||||
)
|
||||
target_compile_definitions(snappy_unittest PRIVATE -DHAVE_CONFIG_H)
|
||||
target_link_libraries(snappy_unittest
|
||||
snappy ${GFLAGS_LIBRARIES} gmock gtest benchmark)
|
||||
|
||||
if(HAVE_LIBZ)
|
||||
target_link_libraries(snappy_unittest z)
|
||||
endif(HAVE_LIBZ)
|
||||
if(HAVE_LIBLZO2)
|
||||
target_link_libraries(snappy_unittest lzo2)
|
||||
endif(HAVE_LIBLZO2)
|
||||
if(HAVE_LIBLZ4)
|
||||
target_link_libraries(snappy_unittest lz4)
|
||||
endif(HAVE_LIBLZ4)
|
||||
|
||||
target_include_directories(snappy_unittest
|
||||
BEFORE PRIVATE
|
||||
"${PROJECT_SOURCE_DIR}"
|
||||
"${GFLAGS_INCLUDE_DIRS}"
|
||||
)
|
||||
|
||||
add_test(
|
||||
NAME snappy_unittest
|
||||
WORKING_DIRECTORY "${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 "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 "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)
|
||||
|
||||
# Must be included before CMAKE_INSTALL_INCLUDEDIR is used.
|
||||
include(GNUInstallDirs)
|
||||
|
||||
if(SNAPPY_INSTALL)
|
||||
install(TARGETS snappy
|
||||
EXPORT SnappyTargets
|
||||
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
|
||||
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
|
||||
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
|
||||
)
|
||||
install(
|
||||
FILES
|
||||
"snappy-c.h"
|
||||
"snappy-sinksource.h"
|
||||
"snappy.h"
|
||||
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h"
|
||||
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
|
||||
)
|
||||
|
||||
include(CMakePackageConfigHelpers)
|
||||
configure_package_config_file(
|
||||
"cmake/${PROJECT_NAME}Config.cmake.in"
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
|
||||
INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
||||
)
|
||||
write_basic_package_version_file(
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
|
||||
COMPATIBILITY SameMajorVersion
|
||||
)
|
||||
install(
|
||||
EXPORT SnappyTargets
|
||||
NAMESPACE Snappy::
|
||||
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
||||
)
|
||||
install(
|
||||
FILES
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
|
||||
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
||||
)
|
||||
endif(SNAPPY_INSTALL)
|
||||
# Copyright 2019 Google Inc. All Rights Reserved.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions are
|
||||
# met:
|
||||
#
|
||||
# * Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce the above
|
||||
# copyright notice, this list of conditions and the following disclaimer
|
||||
# in the documentation and/or other materials provided with the
|
||||
# distribution.
|
||||
# * Neither the name of Google Inc. nor the names of its
|
||||
# contributors may be used to endorse or promote products derived from
|
||||
# this software without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
cmake_minimum_required(VERSION 3.1)
|
||||
project(Snappy VERSION 1.1.8 LANGUAGES C CXX)
|
||||
|
||||
# C++ standard can be overridden when this is used as a sub-project.
|
||||
if(NOT CMAKE_CXX_STANDARD)
|
||||
# This project requires C++11.
|
||||
set(CMAKE_CXX_STANDARD 11)
|
||||
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
||||
set(CMAKE_CXX_EXTENSIONS OFF)
|
||||
endif(NOT CMAKE_CXX_STANDARD)
|
||||
|
||||
# https://github.com/izenecloud/cmake/blob/master/SetCompilerWarningAll.cmake
|
||||
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
||||
# Use the highest warning level for Visual Studio.
|
||||
set(CMAKE_CXX_WARNING_LEVEL 4)
|
||||
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
||||
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
else(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
|
||||
endif(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
|
||||
|
||||
# Disable C++ exceptions.
|
||||
string(REGEX REPLACE "/EH[a-z]+" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-")
|
||||
add_definitions(-D_HAS_EXCEPTIONS=0)
|
||||
|
||||
# Disable RTTI.
|
||||
string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
|
||||
else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
||||
# Use -Wall for clang and gcc.
|
||||
if(NOT CMAKE_CXX_FLAGS MATCHES "-Wall")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-Wall")
|
||||
|
||||
# Use -Wextra for clang and gcc.
|
||||
if(NOT CMAKE_CXX_FLAGS MATCHES "-Wextra")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-Wextra")
|
||||
|
||||
# Use -Werror for clang only.
|
||||
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
|
||||
if(NOT CMAKE_CXX_FLAGS MATCHES "-Werror")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-Werror")
|
||||
endif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
|
||||
|
||||
# Disable C++ exceptions.
|
||||
string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
|
||||
|
||||
# Disable RTTI.
|
||||
string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
|
||||
endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
|
||||
|
||||
# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
|
||||
# it prominent in the GUI.
|
||||
option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
|
||||
|
||||
option(SNAPPY_BUILD_TESTS "Build Snappy's own tests." ON)
|
||||
|
||||
option(SNAPPY_FUZZING_BUILD "Build Snappy for fuzzing." OFF)
|
||||
|
||||
option(SNAPPY_REQUIRE_AVX "Target processors with AVX support." OFF)
|
||||
|
||||
option(SNAPPY_REQUIRE_AVX2 "Target processors with AVX2 support." OFF)
|
||||
|
||||
option(SNAPPY_INSTALL "Install Snappy's header and library" ON)
|
||||
|
||||
include(TestBigEndian)
|
||||
test_big_endian(SNAPPY_IS_BIG_ENDIAN)
|
||||
|
||||
include(CheckIncludeFile)
|
||||
check_include_file("sys/mman.h" HAVE_SYS_MMAN_H)
|
||||
check_include_file("sys/resource.h" HAVE_SYS_RESOURCE_H)
|
||||
check_include_file("sys/time.h" HAVE_SYS_TIME_H)
|
||||
check_include_file("sys/uio.h" HAVE_SYS_UIO_H)
|
||||
check_include_file("unistd.h" HAVE_UNISTD_H)
|
||||
check_include_file("windows.h" HAVE_WINDOWS_H)
|
||||
|
||||
include(CheckLibraryExists)
|
||||
check_library_exists(z zlibVersion "" HAVE_LIBZ)
|
||||
check_library_exists(lzo2 lzo1x_1_15_compress "" HAVE_LIBLZO2)
|
||||
check_library_exists(lz4 LZ4_compress_default "" HAVE_LIBLZ4)
|
||||
|
||||
include(CheckCXXCompilerFlag)
|
||||
CHECK_CXX_COMPILER_FLAG("/arch:AVX" HAVE_VISUAL_STUDIO_ARCH_AVX)
|
||||
CHECK_CXX_COMPILER_FLAG("/arch:AVX2" HAVE_VISUAL_STUDIO_ARCH_AVX2)
|
||||
CHECK_CXX_COMPILER_FLAG("-mavx" HAVE_CLANG_MAVX)
|
||||
CHECK_CXX_COMPILER_FLAG("-mbmi2" HAVE_CLANG_MBMI2)
|
||||
if(SNAPPY_REQUIRE_AVX2)
|
||||
if(HAVE_VISUAL_STUDIO_ARCH_AVX2)
|
||||
set(CMAKE_CXX_FLAGS "${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)
|
||||
|
||||
# Used by googletest.
|
||||
check_cxx_compiler_flag(-Wno-missing-field-initializers
|
||||
SNAPPY_HAVE_NO_MISSING_FIELD_INITIALIZERS)
|
||||
|
||||
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("
|
||||
__attribute__((always_inline)) int zero() { return 0; }
|
||||
|
||||
int main() {
|
||||
return zero();
|
||||
}" HAVE_ATTRIBUTE_ALWAYS_INLINE)
|
||||
|
||||
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(Gflags QUIET)
|
||||
if(GFLAGS_FOUND OR GFLAGS_TARGET)
|
||||
set(HAVE_GFLAGS 1)
|
||||
endif(GFLAGS_FOUND OR GFLAGS_TARGET)
|
||||
|
||||
configure_file(
|
||||
"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=fuzzer-no-link")
|
||||
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer-no-link")
|
||||
endif(NOT CMAKE_CXX_FLAGS MATCHES "-fsanitize=fuzzer-no-link")
|
||||
endif (SNAPPY_FUZZING_BUILD)
|
||||
|
||||
configure_file(
|
||||
"snappy-stubs-public.h.in"
|
||||
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h")
|
||||
|
||||
add_library(snappy "")
|
||||
target_sources(snappy
|
||||
PRIVATE
|
||||
"snappy-internal.h"
|
||||
"snappy-stubs-internal.h"
|
||||
"snappy-c.cc"
|
||||
"snappy-sinksource.cc"
|
||||
"snappy-stubs-internal.cc"
|
||||
"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()
|
||||
|
||||
# Prevent overriding the parent project's compiler/linker settings on Windows.
|
||||
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
|
||||
set(install_gtest OFF)
|
||||
set(install_gmock OFF)
|
||||
set(build_gmock ON)
|
||||
|
||||
# This project is tested using GoogleTest.
|
||||
add_subdirectory("third_party/googletest")
|
||||
|
||||
# This project uses Google benchmark for benchmarking.
|
||||
set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
|
||||
set(BENCHMARK_ENABLE_EXCEPTIONS OFF CACHE BOOL "" FORCE)
|
||||
add_subdirectory("third_party/benchmark")
|
||||
|
||||
# GoogleTest triggers a missing field initializers warning.
|
||||
if(SNAPPY_HAVE_NO_MISSING_FIELD_INITIALIZERS)
|
||||
set_property(TARGET gtest
|
||||
APPEND PROPERTY COMPILE_OPTIONS -Wno-missing-field-initializers)
|
||||
set_property(TARGET gmock
|
||||
APPEND PROPERTY COMPILE_OPTIONS -Wno-missing-field-initializers)
|
||||
endif(SNAPPY_HAVE_NO_MISSING_FIELD_INITIALIZERS)
|
||||
|
||||
add_executable(snappy_unittest "")
|
||||
target_sources(snappy_unittest
|
||||
PRIVATE
|
||||
"snappy_unittest.cc"
|
||||
"snappy-test.cc"
|
||||
)
|
||||
target_compile_definitions(snappy_unittest PRIVATE -DHAVE_CONFIG_H)
|
||||
target_link_libraries(snappy_unittest
|
||||
snappy ${GFLAGS_LIBRARIES} gmock gtest benchmark)
|
||||
|
||||
if(HAVE_LIBZ)
|
||||
target_link_libraries(snappy_unittest z)
|
||||
endif(HAVE_LIBZ)
|
||||
if(HAVE_LIBLZO2)
|
||||
target_link_libraries(snappy_unittest lzo2)
|
||||
endif(HAVE_LIBLZO2)
|
||||
if(HAVE_LIBLZ4)
|
||||
target_link_libraries(snappy_unittest lz4)
|
||||
endif(HAVE_LIBLZ4)
|
||||
|
||||
target_include_directories(snappy_unittest
|
||||
BEFORE PRIVATE
|
||||
"${PROJECT_SOURCE_DIR}"
|
||||
"${GFLAGS_INCLUDE_DIRS}"
|
||||
)
|
||||
|
||||
add_test(
|
||||
NAME snappy_unittest
|
||||
WORKING_DIRECTORY "${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 "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 "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)
|
||||
|
||||
# Must be included before CMAKE_INSTALL_INCLUDEDIR is used.
|
||||
include(GNUInstallDirs)
|
||||
|
||||
if(SNAPPY_INSTALL)
|
||||
install(TARGETS snappy
|
||||
EXPORT SnappyTargets
|
||||
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
|
||||
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
|
||||
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
|
||||
)
|
||||
install(
|
||||
FILES
|
||||
"snappy-c.h"
|
||||
"snappy-sinksource.h"
|
||||
"snappy.h"
|
||||
"${PROJECT_BINARY_DIR}/snappy-stubs-public.h"
|
||||
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
|
||||
)
|
||||
|
||||
include(CMakePackageConfigHelpers)
|
||||
configure_package_config_file(
|
||||
"cmake/${PROJECT_NAME}Config.cmake.in"
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
|
||||
INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
||||
)
|
||||
write_basic_package_version_file(
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
|
||||
COMPATIBILITY SameMajorVersion
|
||||
)
|
||||
install(
|
||||
EXPORT SnappyTargets
|
||||
NAMESPACE Snappy::
|
||||
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
||||
)
|
||||
install(
|
||||
FILES
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}Config.cmake"
|
||||
"${PROJECT_BINARY_DIR}/cmake/${PROJECT_NAME}ConfigVersion.cmake"
|
||||
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
|
||||
)
|
||||
endif(SNAPPY_INSTALL)
|
||||
|
|
|
|||
|
|
@ -1 +0,0 @@
|
|||
Subproject commit bf585a2789e30585b4e3ce6baf11ef2750b54677
|
||||
|
|
@ -1 +0,0 @@
|
|||
Subproject commit 18f8200e3079b0e54fa00cb7ac55d4c39dcf6da6
|
||||
Loading…
Reference in New Issue