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| author | Ivan Maidanski <ivmai@mail.ru> | 2021-11-27 19:26:58 +0300 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2021-11-27 19:28:37 +0300 |
| commit | 8aac0b5e6a8db6c340b09c3533ac4c4cde8aac24 (patch) | |
| tree | e7f17c8b11a3e5903ff1285abb69c2919f830c18 /CMakeLists.txt | |
| parent | 8199a20978e5a3f637ca61975d6e81632b0113cb (diff) | |
| download | bdwgc-8aac0b5e6a8db6c340b09c3533ac4c4cde8aac24.tar.gz | |
Add CMake option to force libatomic_ops headers usage
If -Dwithout_libatomic_ops=ON is passed to cmake or MS VC (or similar)
compiler is used, then libatomic_ops/src is set as an additional
include directory. Otherwise, GC_BUILTIN_ATOMIC macro is defined.
* CMakeLists.txt (without_libatomic_ops): New option.
* CMakeLists.txt [enable_threads] (libatomic_ops/src): Include only if
without_libatomic_ops or BORLAND or MSVC or WATCOM; add comment.
* CMakeLists.txt [enable_threads && !without_libatomic_ops && !BORLAND
&& !MSVC && !WATCOM] (GC_BUILTIN_ATOMIC): Define C macro only.
* CMakeLists.txt [CMAKE_USE_PTHREADS_INIT] (GC_BUILTIN_ATOMIC): Remove
C macro definition.
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 82f3ec1d..0af5d207 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -80,6 +80,7 @@ option(enable_single_obj_compilation "Compile all libgc source files into single option(enable_handle_fork "Attempt to ensure a usable collector after fork()" ON) option(disable_handle_fork "Prohibit installation of pthread_atfork() handlers" OFF) option(install_headers "Install header and pkg-config metadata files" ON) +option(without_libatomic_ops "Use atomic_ops.h in libatomic_ops/src" OFF) # Convert VER_INFO values to [SO]VERSION ones. if (BUILD_SHARED_LIBS) @@ -148,7 +149,13 @@ message(STATUS "TARGET = ${HOST}") if (enable_threads) find_package(Threads REQUIRED) message(STATUS "Thread library: ${CMAKE_THREAD_LIBS_INIT}") - include_directories(libatomic_ops/src) + if (without_libatomic_ops OR BORLAND OR MSVC OR WATCOM) + include_directories(libatomic_ops/src) + # Note: alternatively, use CFLAGS_EXTRA to pass -I<...>/libatomic_ops/src. + else() + # Assume the compiler supports GCC atomic intrinsics. + add_definitions("-DGC_BUILTIN_ATOMIC") + endif() include_directories(${Threads_INCLUDE_DIR}) set(THREADDLLIBS_LIST ${CMAKE_THREAD_LIBS_INIT}) if (${CMAKE_DL_LIBS} MATCHES ^[^-].*) @@ -173,8 +180,6 @@ if (CMAKE_USE_PTHREADS_INIT) if (HOST MATCHES .*-.*-hpux10.*) message(FATAL_ERROR "HP/UX 10 POSIX threads are not supported.") endif() - # Assume the compiler supports GCC atomic intrinsics. - add_definitions("-DGC_BUILTIN_ATOMIC") # Common defines for POSIX platforms. add_definitions("-DGC_THREADS -D_REENTRANT") if (enable_parallel_mark) |