GLOG源码 使用CMAKE之后生成了win32和win64的工程sln文件 在VS2019下编译成功，生成的库文件

cmake_minimum_required (VERSION 3.16) project (glog VERSION 0.6.0 DESCRIPTION "C++ implementation of the Google logging module" HOMEPAGE_URL https://github.com/google/glog LANGUAGES CXX ) set (CPACK_PACKAGE_NAME glog) set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Google logging library") set (CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR}) set (CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR}) set (CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH}) set (CPACK_PACKAGE_VERSION ${PROJECT_VERSION}) list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake) include (CheckCXXCompilerFlag) include (CheckCXXSourceCompiles) include (CheckCXXSourceRuns) include (CheckCXXSymbolExists) include (CheckFunctionExists) include (CheckIncludeFileCXX) include (CheckLibraryExists) include (CheckStructHasMember) include (CheckTypeSize) include (CMakeDependentOption) include (CMakePackageConfigHelpers) include (CMakePushCheckState) include (CPack) include (CTest) include (DetermineGflagsNamespace) include (GenerateExportHeader) include (GetCacheVariables) include (GNUInstallDirs) option (BUILD_SHARED_LIBS "Build shared libraries" ON) option (PRINT_UNSYMBOLIZED_STACK_TRACES "Print file offsets in traces instead of symbolizing" OFF) option (WITH_CUSTOM_PREFIX "Enable support for user-generated message prefixes" ON) option (WITH_GFLAGS "Use gflags" ON) option (WITH_GTEST "Use Google Test" ON) option (WITH_PKGCONFIG "Enable pkg-config support" ON) option (WITH_SYMBOLIZE "Enable symbolize module" ON) option (WITH_THREADS "Enable multithreading support" ON) option (WITH_TLS "Enable Thread Local Storage (TLS) support" ON) option (WITH_UNWIND "Enable libunwind support" ON) cmake_dependent_option (WITH_GMOCK "Use Google Mock" ON WITH_GTEST OFF) if (NOT WITH_UNWIND) set (CMAKE_DISABLE_FIND_PACKAGE_Unwind ON) endif (NOT WITH_UNWIND) if (NOT WITH_GTEST) set (CMAKE_DISABLE_FIND_PACKAGE_GTest ON) endif (NOT WITH_GTEST) if (NOT WITH_THREADS) set (CMAKE_DISABLE_FIND_PACKAGE_Threads ON) endif (NOT WITH_THREADS) set (CMAKE_C_VISIBILITY_PRESET hidden) set (CMAKE_CXX_VISIBILITY_PRESET hidden) set (CMAKE_POSITION_INDEPENDENT_CODE ON) set (CMAKE_VISIBILITY_INLINES_HIDDEN ON) set (CMAKE_DEBUG_POSTFIX d) set (CMAKE_THREAD_PREFER_PTHREAD 1) find_package (GTest NO_MODULE) if (GTest_FOUND) set (HAVE_LIB_GTEST 1) endif (GTest_FOUND) if (WITH_GMOCK AND TARGET GTest::gmock) set (HAVE_LIB_GMOCK 1) endif (WITH_GMOCK AND TARGET GTest::gmock) if (WITH_GFLAGS) find_package (gflags 2.2.2) if (gflags_FOUND) set (HAVE_LIB_GFLAGS 1) determine_gflags_namespace (gflags_NAMESPACE) endif (gflags_FOUND) endif (WITH_GFLAGS) find_package (Threads) find_package (Unwind) if (Unwind_FOUND) set (HAVE_LIB_UNWIND 1) else (Unwind_FOUND) check_include_file_cxx (unwind.h HAVE_UNWIND_H) # Check whether linking actually succeeds. ARM toolchains of LLVM unwind # implementation do not necessarily provide the _Unwind_Backtrace function # which causes the previous check to succeed but the linking to fail. check_cxx_symbol_exists (_Unwind_Backtrace unwind.h HAVE__UNWIND_BACKTRACE) endif (Unwind_FOUND) check_include_file_cxx (dlfcn.h HAVE_DLFCN_H) check_include_file_cxx (execinfo.h HAVE_EXECINFO_H) check_include_file_cxx (glob.h HAVE_GLOB_H) check_include_file_cxx (inttypes.h HAVE_INTTYPES_H) check_include_file_cxx (memory.h HAVE_MEMORY_H) check_include_file_cxx (pwd.h HAVE_PWD_H) check_include_file_cxx (stdint.h HAVE_STDINT_H) check_include_file_cxx (strings.h HAVE_STRINGS_H) check_include_file_cxx (sys/stat.h HAVE_SYS_STAT_H) check_include_file_cxx (sys/syscall.h HAVE_SYS_SYSCALL_H) check_include_file_cxx (sys/time.h HAVE_SYS_TIME_H) check_include_file_cxx (sys/types.h HAVE_SYS_TYPES_H) check_include_file_cxx (sys/utsname.h HAVE_SYS_UTSNAME_H) check_include_file_cxx (sys/wait.h HAVE_SYS_WAIT_H) check_include_file_cxx (syscall.h HAVE_SYSCALL_H) check_include_file_cxx (syslog.h HAVE_SYSLOG_H) check_include_file_cxx (ucontext.h HAVE_UCONTEXT_H) check_include_file_cxx (unistd.h HAVE_UNISTD_H) check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP) check_include_file_cxx ("ext/hash_set" HAVE_EXT_HASH_SET) check_include_file_cxx ("ext/slist" HAVE_EXT_SLIST) check_include_file_cxx ("tr1/unordered_map" HAVE_TR1_UNORDERED_MAP) check_include_file_cxx ("tr1/unordered_set" HAVE_TR1_UNORDERED_SET) check_include_file_cxx ("unordered_map" HAVE_UNORDERED_MAP) check_include_file_cxx ("unordered_set" HAVE_UNORDERED_SET) check_type_size ("unsigned __int16" HAVE___UINT16 LANGUAGE CXX) check_type_size (u_int16_t HAVE_U_INT16_T LANGUAGE CXX) check_type_size (uint16_t HAVE_UINT16_T LANGUAGE CXX) check_function_exists (dladdr HAVE_DLADDR) check_function_exists (fcntl HAVE_FCNTL) check_function_exists (pread HAVE_PREAD) check_function_exists (pwrite HAVE_PWRITE) check_function_exists (sigaction HAVE_SIGACTION) check_function_exists (sigaltstack HAVE_SIGALTSTACK) # NOTE gcc does not fail if you pass a non-existent -Wno-* option as an # argument. However, it will happily fail if you pass the corresponding -W* # option. So, we check whether options that disable warnings exist by testing # the availability of the corresponding option that enables the warning. This # eliminates the need to check for compiler for several (mainly Clang) options. check_cxx_compiler_flag (-Wdeprecated HAVE_NO_DEPRECATED) check_cxx_compiler_flag (-Wunnamed-type-template-args HAVE_NO_UNNAMED_TYPE_TEMPLATE_ARGS) cmake_push_check_state (RESET) if (Threads_FOUND) set (CMAKE_REQUIRED_LIBRARIES Threads::Threads) endif (Threads_FOUND) check_cxx_symbol_exists (pthread_threadid_np "pthread.h" HAVE_PTHREAD_THREADID_NP) cmake_pop_check_state () # NOTE: Cannot use check_function_exists here since >=vc-14.0 can define # snprintf as an inline function check_cxx_symbol_exists (snprintf cstdio HAVE_SNPRINTF) check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP) check_cxx_source_compiles (" #include <cstdlib> static void foo(void) __attribute__ ((unused)); int main(void) { return 0; } " HAVE___ATTRIBUTE__) check_cxx_source_compiles (" #include <cstdlib> static void foo(void) __attribute__ ((visibility(\"default\"))); int main(void) { return 0; } " HAVE___ATTRIBUTE__VISIBILITY_DEFAULT) check_cxx_source_compiles (" #include <cstdlib> static void foo(void) __attribute__ ((visibility(\"hidden\"))); int main(void) { return 0; } " HAVE___ATTRIBUTE__VISIBILITY_HIDDEN) check_cxx_source_compiles (" int main(void) { if (__builtin_expect(0, 0)) return 1; return 0; } " HAVE___BUILTIN_EXPECT) check_cxx_source_compiles (" int main(void) { int a; if (__sync_val_compare_and_swap(&a, 0, 1)) return 1; return 0; } " HAVE___SYNC_VAL_COMPARE_AND_SWAP) cmake_push_check_state (RESET) set (CMAKE_REQUIRED_LIBRARIES Threads::Threads) check_cxx_source_compiles (" #define _XOPEN_SOURCE 500 #include <pthread.h> int main(void) { pthread_rwlock_t l; pthread_rwlock_init(&l, NULL); pthread_rwlock_rdlock(&l); return 0; } " HAVE_RWLOCK) cmake_pop_check_state () check_cxx_source_compiles (" __declspec(selectany) int a; int main(void) { return 0; } " HAVE___DECLSPEC) check_cxx_source_compiles (" #include <vector> vector<int> t; int main() { } " STL_NO_NAMESPACE) check_cxx_source_compiles (" #include <vector> std::vector<int> t; int main() { } " STL_STD_NAMESPACE) check_cxx_source_compiles (" #include <iostream> std::ostream& operator<<(std::ostream&, struct s); using ::operator<<; int main() { } " HAVE_USING_OPERATOR) check_cxx_source_compiles (" namespace Outer { namespace Inner { int i = 0; }} using namespace Outer::Inner;; int main() { return i; } " HAVE_NAMESPACES) check_cxx_source_compiles (" __thread int tls; int main() { } " HAVE_GCC_TLS) check_cxx_source_compiles (" __declspec(thread) int tls; int main() { } " HAVE_MSVC_TLS) check_cxx_source_compiles (" thread_local int tls; int main() { } " HAVE_CXX11_TLS) check_cxx_source_compiles (" #include <type_traits> std::aligned_storage<sizeof(char), a