diff options
author | Louis Dionne <ldionne@apple.com> | 2020-08-12 17:56:16 -0400 |
---|---|---|
committer | Louis Dionne <ldionne.2@gmail.com> | 2021-09-23 12:14:01 -0400 |
commit | fd04fd9ac92d705f7d144b77109b8bcec950c04f (patch) | |
tree | 390443f3d1a84404ce895fb2c809118eb9433eef /libcxx/benchmarks | |
parent | f9912fe4eac91f27965c22d015b3109c5158d050 (diff) | |
download | llvm-fd04fd9ac92d705f7d144b77109b8bcec950c04f.tar.gz |
[libc++] Use CMake interface targets to setup benchmark flags
This is a re-application of da0592e4c8df which was reverted in
1454018dc1d9 because it was incompatible with older CMakes.
Instead, disable the benchmarks when CMake is too old to
support those idioms.
Differential Revision: https://reviews.llvm.org/D110285
Diffstat (limited to 'libcxx/benchmarks')
-rw-r--r-- | libcxx/benchmarks/CMakeLists.txt | 79 |
1 files changed, 26 insertions, 53 deletions
diff --git a/libcxx/benchmarks/CMakeLists.txt b/libcxx/benchmarks/CMakeLists.txt index 8e33f8ebcf0c..8d83ecdfc9b9 100644 --- a/libcxx/benchmarks/CMakeLists.txt +++ b/libcxx/benchmarks/CMakeLists.txt @@ -1,3 +1,8 @@ +if (CMAKE_VERSION VERSION_LESS 3.17) + message(WARNING "The libc++ benchmarks won't be available because the version of CMake is too old to support them.") + return() +endif() + include(ExternalProject) include(CheckCXXCompilerFlag) @@ -75,56 +80,41 @@ set(BENCHMARK_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}) set(BENCHMARK_LIBCXX_INSTALL ${CMAKE_CURRENT_BINARY_DIR}/benchmark-libcxx) set(BENCHMARK_NATIVE_INSTALL ${CMAKE_CURRENT_BINARY_DIR}/benchmark-native) +add_library( cxx-benchmarks-flags INTERFACE) +target_compile_features( cxx-benchmarks-flags INTERFACE cxx_std_17) +target_compile_options( cxx-benchmarks-flags INTERFACE -O2 -fsized-deallocation) +target_include_directories(cxx-benchmarks-flags INTERFACE "${BENCHMARK_LIBCXX_INSTALL}/include" + INTERFACE "${LIBCXX_SOURCE_DIR}/test/support") -set(BENCHMARK_TEST_COMPILE_FLAGS - -O2 - -fsized-deallocation - -I${BENCHMARK_LIBCXX_INSTALL}/include - -I${LIBCXX_SOURCE_DIR}/test/support -) -set(BENCHMARK_TEST_LIBCXX_COMPILE_FLAGS - ${BENCHMARK_TEST_COMPILE_FLAGS} - ${SANITIZER_FLAGS} - -Wno-user-defined-literals - -Wno-suggest-override -) - -set(BENCHMARK_TEST_LIBCXX_LINK_FLAGS - -nodefaultlibs - -L${BENCHMARK_LIBCXX_INSTALL}/lib/ - ${SANITIZER_FLAGS} -) -set(BENCHMARK_TEST_NATIVE_COMPILE_FLAGS - ${BENCHMARK_NATIVE_TARGET_FLAGS} - ${BENCHMARK_TEST_COMPILE_FLAGS} -) -set(BENCHMARK_TEST_NATIVE_LINK_FLAGS - ${BENCHMARK_NATIVE_TARGET_FLAGS} - -L${BENCHMARK_NATIVE_INSTALL}/lib -) -split_list(BENCHMARK_TEST_COMPILE_FLAGS) -split_list(BENCHMARK_TEST_LIBCXX_COMPILE_FLAGS) -split_list(BENCHMARK_TEST_LIBCXX_LINK_FLAGS) -split_list(BENCHMARK_TEST_NATIVE_COMPILE_FLAGS) -split_list(BENCHMARK_TEST_NATIVE_LINK_FLAGS) - +add_library( cxx-benchmarks-flags-native INTERFACE) +target_link_libraries( cxx-benchmarks-flags-native INTERFACE cxx-benchmarks-flags) +target_compile_options(cxx-benchmarks-flags-native INTERFACE ${BENCHMARK_NATIVE_TARGET_FLAGS}) +target_link_options( cxx-benchmarks-flags-native INTERFACE ${BENCHMARK_NATIVE_TARGET_FLAGS} "-L${BENCHMARK_NATIVE_INSTALL}/lib") if (LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libstdc++") find_library(LIBSTDCXX_FILESYSTEM_TEST stdc++fs PATHS ${LIBCXX_BENCHMARK_NATIVE_GCC_TOOLCHAIN} PATH_SUFFIXES lib lib64 DOC "The libstdc++ filesystem library used by the benchmarks" ) - if (NOT "${LIBSTDCXX_FILESYSTEM_TEST}" STREQUAL "LIBSTDCXX_FILESYSTEM_TEST-NOTFOUND") - set(LIBSTDCXX_FILESYSTEM_LIB "stdc++fs") - endif() + if (LIBSTDCXX_FILESYSTEM_TEST) + target_link_libraries(cxx-benchmarks-flags-native INTERFACE -lstdc++fs) + endif() +else() + target_link_libraries(cxx-benchmarks-flags-native INTERFACE -lc++fs -lc++experimental) endif() +add_library( cxx-benchmarks-flags-libcxx INTERFACE) +target_link_libraries( cxx-benchmarks-flags-libcxx INTERFACE cxx-benchmarks-flags) +target_compile_options(cxx-benchmarks-flags-libcxx INTERFACE ${SANITIZER_FLAGS} -Wno-user-defined-literals -Wno-suggest-override) +target_link_options( cxx-benchmarks-flags-libcxx INTERFACE -nodefaultlibs "-L${BENCHMARK_LIBCXX_INSTALL}/lib" ${SANITIZER_FLAGS}) + set(libcxx_benchmark_targets) function(add_benchmark_test name source_file) set(libcxx_target ${name}_libcxx) list(APPEND libcxx_benchmark_targets ${libcxx_target}) add_executable(${libcxx_target} EXCLUDE_FROM_ALL ${source_file}) + target_link_libraries(${libcxx_target} PRIVATE cxx-benchmarks-flags-libcxx) add_dependencies(${libcxx_target} cxx google-benchmark-libcxx) add_dependencies(cxx-benchmarks ${libcxx_target}) if (LIBCXX_ENABLE_SHARED) @@ -143,27 +133,15 @@ function(add_benchmark_test name source_file) PROPERTIES OUTPUT_NAME "${name}.libcxx.out" RUNTIME_OUTPUT_DIRECTORY "${BENCHMARK_OUTPUT_DIR}" - COMPILE_FLAGS "${BENCHMARK_TEST_LIBCXX_COMPILE_FLAGS}" - LINK_FLAGS "${BENCHMARK_TEST_LIBCXX_LINK_FLAGS}" - CXX_STANDARD 17 - CXX_STANDARD_REQUIRED YES CXX_EXTENSIONS NO) cxx_link_system_libraries(${libcxx_target}) if (LIBCXX_BENCHMARK_NATIVE_STDLIB) - if (LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libstdc++" AND NOT DEFINED LIBSTDCXX_FILESYSTEM_LIB - AND "${name}" STREQUAL "filesystem") - return() - endif() set(native_target ${name}_native) add_executable(${native_target} EXCLUDE_FROM_ALL ${source_file}) + target_link_libraries(${native_target} PRIVATE cxx-benchmarks-flags-native) add_dependencies(${native_target} google-benchmark-native google-benchmark-libcxx) target_link_libraries(${native_target} PRIVATE -lbenchmark) - if (LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libstdc++") - target_link_libraries(${native_target} PRIVATE ${LIBSTDCXX_FILESYSTEM_LIB}) - elseif (LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libc++") - target_link_libraries(${native_target} PRIVATE -lc++fs -lc++experimental) - endif() if (LIBCXX_HAS_PTHREAD_LIB) target_link_libraries(${native_target} PRIVATE -pthread) endif() @@ -172,11 +150,6 @@ function(add_benchmark_test name source_file) PROPERTIES OUTPUT_NAME "${name}.native.out" RUNTIME_OUTPUT_DIRECTORY "${BENCHMARK_OUTPUT_DIR}" - INCLUDE_DIRECTORIES "" - COMPILE_FLAGS "${BENCHMARK_TEST_NATIVE_COMPILE_FLAGS}" - LINK_FLAGS "${BENCHMARK_TEST_NATIVE_LINK_FLAGS}" - CXX_STANDARD 17 - CXX_STANDARD_REQUIRED YES CXX_EXTENSIONS NO) endif() endfunction() |