set(LLVM_LIBC_MPFR_INSTALL_PATH "" CACHE PATH "Path to where MPFR is installed (e.g. C:/src/install or ~/src/install)") if(LLVM_LIBC_MPFR_INSTALL_PATH) set(LIBC_TESTS_CAN_USE_MPFR TRUE) elseif(LIBC_TARGET_OS_IS_GPU OR LLVM_LIBC_FULL_BUILD) # In full build mode, the MPFR library should be built using our own facilities, # which is currently not possible. set(LIBC_TESTS_CAN_USE_MPFR FALSE) else() try_compile( LIBC_TESTS_CAN_USE_MPFR ${CMAKE_CURRENT_BINARY_DIR} SOURCES ${LIBC_SOURCE_DIR}/utils/MPFRWrapper/check_mpfr.cpp COMPILE_DEFINITIONS ${LIBC_COMPILE_OPTIONS_DEFAULT} LINK_LIBRARIES -lmpfr -lgmp -latomic ) endif()