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| author | Evgenii Kliuchnikov <eustas@google.com> | 2024-01-16 04:01:35 -0800 |
|---|---|---|
| committer | Copybara-Service <copybara-worker@google.com> | 2024-01-16 04:02:00 -0800 |
| commit | adbc354d23af714a557730cc0e15fc38909e4ef0 (patch) | |
| tree | 638190febed115afa75fe03640f888a927534786 | |
| parent | 02458f34431b9850725aafdb8beb1f31efa885fb (diff) | |
| download | brotli-adbc354d23af714a557730cc0e15fc38909e4ef0.zip brotli-adbc354d23af714a557730cc0e15fc38909e4ef0.tar.gz brotli-adbc354d23af714a557730cc0e15fc38909e4ef0.tar.bz2 | |
simplify log2 check; currently we rely more on compiler than build system
PiperOrigin-RevId: 598794971
| -rw-r--r-- | CMakeLists.txt | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 70d0f6c..7389560 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -78,27 +78,12 @@ if (ENABLE_SANITIZER) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=${ENABLE_SANITIZER}") endif () -include(CheckFunctionExists) +include(CheckLibraryExists) set(LIBM_LIBRARY) -CHECK_FUNCTION_EXISTS(log2 LOG2_RES) -if(NOT LOG2_RES) - set(_ORIG_REQ_LIBS "${CMAKE_REQUIRED_LIBRARIES}") - set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};m") - CHECK_FUNCTION_EXISTS(log2 LOG2_LIBM_RES) - if(LOG2_LIBM_RES) - set(LIBM_LIBRARY "m") - add_definitions(-DBROTLI_HAVE_LOG2=1) - else() - add_definitions(-DBROTLI_HAVE_LOG2=0) - endif() - - set(CMAKE_REQUIRED_LIBRARIES "${_ORIG_REQ_LIBS}") - unset(LOG2_LIBM_RES) - unset(_ORIG_REQ_LIBS) -else() - add_definitions(-DBROTLI_HAVE_LOG2=1) +CHECK_LIBRARY_EXISTS(m log2 "" HAVE_LIB_M) +if(HAVE_LIB_M) + set(LIBM_LIBRARY "m") endif() -unset(LOG2_RES) set(BROTLI_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/c/include") mark_as_advanced(BROTLI_INCLUDE_DIRS) |