From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- cmake/modules/CephChecks.cmake | 185 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 cmake/modules/CephChecks.cmake (limited to 'cmake/modules/CephChecks.cmake') diff --git a/cmake/modules/CephChecks.cmake b/cmake/modules/CephChecks.cmake new file mode 100644 index 000000000..fcde99f4b --- /dev/null +++ b/cmake/modules/CephChecks.cmake @@ -0,0 +1,185 @@ +if(CMAKE_COMPILER_IS_GNUCXX) + if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.1) + message(FATAL_ERROR "GCC 8.1+ required due to C++17 requirements") + endif() +endif() + +#Check Includes +include(CheckIncludeFiles) +include(CheckIncludeFileCXX) +include(CheckFunctionExists) + +check_function_exists(memset_s HAVE_MEMSET_S) +check_function_exists(fallocate CEPH_HAVE_FALLOCATE) +check_function_exists(posix_fadvise HAVE_POSIX_FADVISE) +check_function_exists(posix_fallocate HAVE_POSIX_FALLOCATE) +check_function_exists(syncfs HAVE_SYS_SYNCFS) +check_function_exists(sync_file_range HAVE_SYNC_FILE_RANGE) +check_function_exists(pwritev HAVE_PWRITEV) +check_function_exists(splice CEPH_HAVE_SPLICE) +check_function_exists(getgrouplist HAVE_GETGROUPLIST) +if(NOT APPLE) + check_function_exists(fdatasync HAVE_FDATASYNC) +endif() +check_function_exists(strerror_r HAVE_Strerror_R) +check_function_exists(name_to_handle_at HAVE_NAME_TO_HANDLE_AT) +check_function_exists(pipe2 HAVE_PIPE2) +check_function_exists(accept4 HAVE_ACCEPT4) +check_function_exists(sigdescr_np HAVE_SIGDESCR_NP) + +include(CMakePushCheckState) +cmake_push_check_state(RESET) +set(CMAKE_REQUIRED_LIBRARIES pthread) +check_function_exists(pthread_spin_init HAVE_PTHREAD_SPINLOCK) +check_function_exists(pthread_set_name_np HAVE_PTHREAD_SET_NAME_NP) +check_function_exists(pthread_get_name_np HAVE_PTHREAD_GET_NAME_NP) +check_function_exists(pthread_setname_np HAVE_PTHREAD_SETNAME_NP) +check_function_exists(pthread_getname_np HAVE_PTHREAD_GETNAME_NP) +check_function_exists(pthread_rwlockattr_setkind_np HAVE_PTHREAD_RWLOCKATTR_SETKIND_NP) +cmake_pop_check_state() + +check_function_exists(eventfd HAVE_EVENTFD) +check_function_exists(getprogname HAVE_GETPROGNAME) +check_function_exists(gettid HAVE_GETTID) + +CHECK_INCLUDE_FILES("linux/types.h" HAVE_LINUX_TYPES_H) +CHECK_INCLUDE_FILES("linux/version.h" HAVE_LINUX_VERSION_H) +CHECK_INCLUDE_FILES("arpa/nameser_compat.h" HAVE_ARPA_NAMESER_COMPAT_H) +CHECK_INCLUDE_FILES("sys/mount.h" HAVE_SYS_MOUNT_H) +CHECK_INCLUDE_FILES("sys/param.h" HAVE_SYS_PARAM_H) +CHECK_INCLUDE_FILES("sys/types.h" HAVE_SYS_TYPES_H) +CHECK_INCLUDE_FILES("sys/vfs.h" HAVE_SYS_VFS_H) +CHECK_INCLUDE_FILES("sys/prctl.h" HAVE_SYS_PRCTL_H) +CHECK_INCLUDE_FILES("execinfo.h" HAVE_EXECINFO_H) +if(LINUX) + CHECK_INCLUDE_FILES("sched.h" HAVE_SCHED) +endif() +CHECK_INCLUDE_FILES("valgrind/helgrind.h" HAVE_VALGRIND_HELGRIND_H) + +include(CheckTypeSize) +set(CMAKE_EXTRA_INCLUDE_FILES "linux/types.h" "netinet/in.h") +CHECK_TYPE_SIZE(__u8 __U8) +CHECK_TYPE_SIZE(__u16 __U16) +CHECK_TYPE_SIZE(__u32 __U32) +CHECK_TYPE_SIZE(__u64 __U64) +CHECK_TYPE_SIZE(__s8 __S8) +CHECK_TYPE_SIZE(__s16 __S16) +CHECK_TYPE_SIZE(__s32 __S32) +CHECK_TYPE_SIZE(__s64 __S64) +CHECK_TYPE_SIZE(in_addr_t IN_ADDR_T) +unset(CMAKE_EXTRA_INCLUDE_FILES) + +include(CheckSymbolExists) +cmake_push_check_state(RESET) +set(CMAKE_REQUIRED_LIBRARIES rt) +check_symbol_exists(_POSIX_TIMERS "unistd.h;time.h" HAVE_POSIX_TIMERS) +cmake_pop_check_state() +if(HAVE_POSIX_TIMERS) + find_library(RT_LIBRARY NAMES rt) +endif() +check_symbol_exists(res_nquery "resolv.h" HAVE_RES_NQUERY) +check_symbol_exists(F_SETPIPE_SZ "linux/fcntl.h" CEPH_HAVE_SETPIPE_SZ) +check_symbol_exists(__func__ "" HAVE_FUNC) +check_symbol_exists(__PRETTY_FUNCTION__ "" HAVE_PRETTY_FUNC) +check_symbol_exists(getentropy "unistd.h" HAVE_GETENTROPY) + +include(CheckCXXSourceCompiles) +check_cxx_source_compiles(" + #include + int main() { char x = *strerror_r(0, &x, sizeof(x)); return 0; } + " STRERROR_R_CHAR_P) + +include(CheckStructHasMember) +CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h + HAVE_STAT_ST_MTIM_TV_NSEC LANGUAGE C) +CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h + HAVE_STAT_ST_MTIMESPEC_TV_NSEC LANGUAGE C) + +if(NOT CMAKE_CROSSCOMPILING) + include(CheckCXXSourceRuns) + cmake_push_check_state() + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -std=c++17") + if(WIN32) + set(CMAKE_REQUIRED_LIBRARIES ws2_32) + endif() + + check_cxx_source_runs(" +#include +#include + +#ifdef _WIN32 +#include +#else +#include +#endif + +uint32_t load(char* p, size_t offset) +{ + return *reinterpret_cast(p + offset); +} + +bool good(uint32_t lhs, uint32_t big_endian) +{ + return lhs == ntohl(big_endian); +} + +int main(int argc, char **argv) +{ + char a1[] = \"ABCDEFG\"; + uint32_t a2[] = {0x41424344, + 0x42434445, + 0x43444546, + 0x44454647}; + for (size_t i = 0; i < std::size(a2); i++) { + if (!good(load(a1, i), a2[i])) { + return 1; + } + } +}" + HAVE_UNALIGNED_ACCESS) + cmake_pop_check_state() + if(NOT HAVE_UNALIGNED_ACCESS) + message(FATAL_ERROR "Unaligned access is required") + endif() +else(NOT CMAKE_CROSSCOMPILING) + message(STATUS "Assuming unaligned access is supported") +endif(NOT CMAKE_CROSSCOMPILING) + +set(version_script_source "v1 { }; v2 { } v1;") +file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/version_script.txt "${version_script_source}") +cmake_push_check_state(RESET) +set(CMAKE_REQUIRED_FLAGS "-Werror -Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/version_script.txt") +check_c_source_compiles(" +__attribute__((__symver__ (\"func@v1\"))) void func_v1() {}; +__attribute__((__symver__ (\"func@v2\"))) void func_v2() {}; + +int main() {}" + HAVE_ATTR_SYMVER) + if(NOT HAVE_ATTR_SYMVER) + if(CMAKE_CXX_FLAGS MATCHES "-flto" AND NOT CMAKE_CXX_FLAGS MATCHES "-flto-partition=none") + # https://tracker.ceph.com/issues/40060 + message(FATAL_ERROR "please pass -flto-partition=none as part of CXXFLAGS") + endif() + endif() +set(CMAKE_REQUIRED_FLAGS -Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/version_script.txt) +check_c_source_compiles(" +void func_v1() {} +__asm__(\".symver func_v1, func@v1\"); +void func_v2() {} +__asm__(\".symver func_v2, func@v2\"); + +int main() {}" + HAVE_ASM_SYMVER) +file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/version_script.txt) +cmake_pop_check_state() + +# should use LINK_OPTIONS instead of LINK_LIBRARIES, if we can use cmake v3.14+ +try_compile(HAVE_LINK_VERSION_SCRIPT + ${CMAKE_CURRENT_BINARY_DIR} + SOURCES ${CMAKE_CURRENT_LIST_DIR}/CephCheck_link.c + LINK_LIBRARIES "-Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/CephCheck_link.map") + +try_compile(HAVE_LINK_EXCLUDE_LIBS + ${CMAKE_CURRENT_BINARY_DIR} + SOURCES ${CMAKE_CURRENT_LIST_DIR}/CephCheck_link.c + LINK_LIBRARIES "-Wl,--exclude-libs,ALL") -- cgit v1.2.3