diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ccf2387d..d6112775 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -28,6 +28,7 @@ include(QuickCppLibUtils) include(QuickCppLibPolicies) option(LLFIO_USE_EXPERIMENTAL_SG14_STATUS_CODE "Whether to use SG14 status_code for failure handling" OFF) +option(LLFIO_DISABLE_LIBDISPATCH "Whether to disable automatic discovery of libdispatch/Grand Unified Dispatch" OFF) option(LLFIO_ENABLE_DEPENDENCY_SMOKE_TEST "Whether to build executables which are smoke tests that LLFIO is fully working. Used by various package managers such as vcpkg." OFF) option(LLFIO_ASSUME_CROSS_COMPILING "Whether to assume we are cross compiling. Normally automatically detected, but if automatic detection doesn't work, a working <filesystem> will not be found during cmake configure." OFF) option(UNIT_TESTS_BUILD_ALL "Whether to run all of the unit test suite." OFF) @@ -283,6 +284,27 @@ int main() { all_compile_definitions(PUBLIC LLFIO_FORCE_EXPERIMENTAL_FILESYSTEM=1 KERNELTEST_FORCE_EXPERIMENTAL_FILESYSTEM=1) endif() endif() +# Do we have Grand Central Dispatch on this platform? +if(NOT LLFIO_DISABLE_LIBDISPATCH) + function(check_have_libdispatch) + set(CMAKE_REQUIRED_LIBRARIES dispatch) + check_cxx_source_compiles(" +#include <dispatch/dispatch.h> +int main() { + dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); + return 0; +} +" LLFIO_HAS_LIBDISPATCH) + endfunction() + check_have_libdispatch() + if(LLFIO_HAS_LIBDISPATCH) + all_compile_definitions(PUBLIC LLFIO_FORCE_USE_LIBDISPATCH=1) + all_link_libraries(PUBLIC dispatch) + endif() +endif() +if(NOT LLFIO_HAS_LIBDISPATCH AND (CMAKE_SYSTEM_NAME MATCHES "FreeBSD" OR APPLE)) + indented_message(FATAL_ERROR "FATAL: Grand Central Dispatch as libdispatch was not found on this FreeBSD or Mac OS system. libdispatch is required for LLFIO to build on those systems.") +endif() # Set any macros this library requires all_compile_definitions(PRIVATE LLFIO_INCLUDE_STORAGE_PROFILE=1 LLFIO_ENABLE_TEST_IO_MULTIPLEXERS=1) |