diff options
Diffstat (limited to 'bolt/CMakeLists.txt')
| -rw-r--r-- | bolt/CMakeLists.txt | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/bolt/CMakeLists.txt b/bolt/CMakeLists.txt index 650cac8094dc..01ed186510c8 100644 --- a/bolt/CMakeLists.txt +++ b/bolt/CMakeLists.txt @@ -4,10 +4,23 @@ set(BOLT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(BOLT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) set(CMAKE_CXX_STANDARD 17) -set(BOLT_ENABLE_RUNTIME OFF) +set(BOLT_ENABLE_RUNTIME_default OFF) if (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" + AND (CMAKE_SYSTEM_NAME STREQUAL "Linux" + OR CMAKE_SYSTEM_NAME STREQUAL "Darwin") AND "X86" IN_LIST LLVM_TARGETS_TO_BUILD) - set(BOLT_ENABLE_RUNTIME ON) + set(BOLT_ENABLE_RUNTIME_default ON) +endif() +option(BOLT_ENABLE_RUNTIME "Enable BOLT runtime" ${BOLT_ENABLE_RUNTIME_default}) +if (BOLT_ENABLE_RUNTIME) + # Some systems prevent reading /proc/self/map_files + execute_process(COMMAND ls /proc/self/map_files + RESULT_VARIABLE LS OUTPUT_QUIET ERROR_QUIET) + if (LS) + set(BOLT_ENABLE_RUNTIME OFF) + message(WARNING + "BOLT runtime is disabled as /proc/self/map_files is unreadable.") + endif() endif() set(BOLT_CLANG_EXE "" CACHE FILEPATH "Path to clang executable for the target \ |