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| author | Lasse Collin <lasse.collin@tukaani.org> | 2023-09-23 03:06:36 +0300 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2023-10-22 18:59:45 +0300 |
| commit | 680e52cdd086e92691d8a0bca2c98815565f60ca (patch) | |
| tree | 4e3b0fb5410f6dcebfc007b2cace93b04c5c3a5d /CMakeLists.txt | |
| parent | Build: Check for clock_gettime() even if not using POSIX threads. (diff) | |
| download | xz-680e52cdd086e92691d8a0bca2c98815565f60ca.tar.xz | |
CMake: Check for clock_gettime() even on Windows.
This mirrors configure.ac although currently MinGW-w64 builds
don't use clock_gettime() even if it is found.
Diffstat (limited to '')
| -rw-r--r-- | CMakeLists.txt | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 128e4a47..2d3dabec 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -151,32 +151,30 @@ tuklib_integer(ALL) # Check for clock_gettime(). Do this before checking for threading so # that we know there if CLOCK_MONOTONIC is available. -if(NOT WIN32) - check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME) - - if(NOT HAVE_CLOCK_GETTIME) - # With glibc <= 2.17 or Solaris 10 this needs librt. - # Add librt for the next check for HAVE_CLOCK_GETTIME. If it is - # found after including the library, we know that librt is required. - list(INSERT CMAKE_REQUIRED_LIBRARIES 0 rt) - check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME_LIBRT) - - # If it was found now, add librt to all targets and keep it in - # CMAKE_REQUIRED_LIBRARIES for further tests too. - if(HAVE_CLOCK_GETTIME_LIBRT) - link_libraries(rt) - else() - list(REMOVE_AT CMAKE_REQUIRED_LIBRARIES 0) - endif() +check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME) + +if(NOT HAVE_CLOCK_GETTIME) + # With glibc <= 2.17 or Solaris 10 this needs librt. + # Add librt for the next check for HAVE_CLOCK_GETTIME. If it is + # found after including the library, we know that librt is required. + list(INSERT CMAKE_REQUIRED_LIBRARIES 0 rt) + check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME_LIBRT) + + # If it was found now, add librt to all targets and keep it in + # CMAKE_REQUIRED_LIBRARIES for further tests too. + if(HAVE_CLOCK_GETTIME_LIBRT) + link_libraries(rt) + else() + list(REMOVE_AT CMAKE_REQUIRED_LIBRARIES 0) endif() +endif() - if(HAVE_CLOCK_GETTIME OR HAVE_CLOCK_GETTIME_LIBRT) - add_compile_definitions(HAVE_CLOCK_GETTIME) +if(HAVE_CLOCK_GETTIME OR HAVE_CLOCK_GETTIME_LIBRT) + add_compile_definitions(HAVE_CLOCK_GETTIME) - # Check if CLOCK_MONOTONIC is available for clock_gettime(). - check_symbol_exists(CLOCK_MONOTONIC time.h HAVE_CLOCK_MONOTONIC) - tuklib_add_definition_if(ALL HAVE_CLOCK_MONOTONIC) - endif() + # Check if CLOCK_MONOTONIC is available for clock_gettime(). + check_symbol_exists(CLOCK_MONOTONIC time.h HAVE_CLOCK_MONOTONIC) + tuklib_add_definition_if(ALL HAVE_CLOCK_MONOTONIC) endif() # Options for new enough GCC or Clang on any arch or operating system: |