CMAKE_CXX_STANDARD 14 is set in the llvm-project/llvm folder overriding all COMPILE_OPTIONS -std=c++17. We need to override the CXX_STANDARD property of the target in order to set the correct C++ standard flags.
Reviewed By: gchatelet
Differential Revision: https://reviews.llvm.org/D118871
cmake_minimum_required(VERSION 3.13.4)
+# Default to C++17
+set(CMAKE_CXX_STANDARD 17)
+
# Use old version of target_sources command which converts the source
# file paths to full paths.
cmake_policy(SET CMP0076 OLD)
function(add_object_library target_name)
cmake_parse_arguments(
"ADD_OBJECT"
- "" # No option arguments
- "" # Single value arguments
+ "" # No optional arguments
+ "CXX_STANDARD" # Single value arguments
"SRCS;HDRS;COMPILE_OPTIONS;DEPENDS" # Multivalue arguments
${ARGN}
)
add_dependencies(${fq_target_name} ${fq_deps_list})
endif()
+ if(ADD_OBJECT_CXX_STANDARD)
+ set_target_properties(
+ ${fq_target_name}
+ PROPERTIES
+ CXX_STANDARD ${ADD_OBJECT_CXX_STANDARD}
+ )
+ endif()
+
set_target_properties(
${fq_target_name}
PROPERTIES
cmake_parse_arguments(
"ADD_ENTRYPOINT_OBJ"
"ALIAS;REDIRECTED" # Optional argument
- "NAME" # Single value arguments
+ "NAME;CXX_STANDARD" # Single value arguments
"SRCS;HDRS;DEPENDS;COMPILE_OPTIONS" # Multi value arguments
${ARGN}
)
target_include_directories(${fq_target_name} PRIVATE ${include_dirs})
add_dependencies(${fq_target_name} ${full_deps_list})
+ if(ADD_ENTRYPOINT_OBJ_CXX_STANDARD)
+ set_target_properties(
+ ${fq_target_name} ${internal_target_name}
+ PROPERTIES
+ CXX_STANDARD ${ADD_ENTRYPOINT_OBJ_CXX_STANDARD}
+ )
+ endif()
+
set_target_properties(
${fq_target_name}
PROPERTIES
cmake_parse_arguments(
"LIBC_UNITTEST"
"NO_RUN_POSTBUILD" # Optional arguments
- "SUITE" # Single value arguments
+ "SUITE;CXX_STANDARD" # Single value arguments
"SRCS;HDRS;DEPENDS;COMPILE_OPTIONS;LINK_OPTIONS" # Multi-value arguments
"NO_LIBC_UNITTEST_TEST_MAIN"
${ARGN}
PRIVATE ${LIBC_UNITTEST_COMPILE_OPTIONS}
)
endif()
+ if(LIBC_UNITTEST_CXX_STANDARD)
+ set_target_properties(
+ ${fq_target_name}
+ PROPERTIES
+ CXX_STANDARD ${LIBC_UNITTEST_CXX_STANDARD}
+ )
+ endif()
target_link_libraries(${fq_target_name} PRIVATE ${link_object_files})
if(LIBC_UNITTEST_LINK_OPTIONS)
libc.include.errno
libc.include.math
libc.src.errno.__errno_location
- COMPILE_OPTIONS
- -Wno-c++17-extensions
)
add_object_library(
sincosf_data.cpp
DEPENDS
.math_utils
- COMPILE_OPTIONS
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.errno.__errno_location
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.__support.FPUtil.fputil
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.errno.__errno_location
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
common_constants.h
SRCS
common_constants.cpp
- COMPILE_OPTIONS
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.__support.FPUtil.fputil
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
DEPENDS
.common_constants
libc.src.__support.FPUtil.fputil
- COMPILE_OPTIONS
+ COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.__support.FPUtil.sqrt
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.__support.FPUtil.sqrt
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
libc.src.__support.FPUtil.sqrt
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_entrypoint_object(
namespace __llvm_libc {
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wc++17-extensions"
-
// Lookup table for log(f) = log(1 + n*2^(-7)) where n = 0..127.
static constexpr double LOG_F[128] = {
0x0.0000000000000p+0, 0x1.fe02a6b106788p-8, 0x1.fc0a8b0fc03e3p-7,
return static_cast<float>(r);
}
-#pragma clang diagnostic pop
-
} // namespace __llvm_libc
libc.src.__support.FPUtil.generic.sqrt
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_fp_unittest(
libc.src.__support.FPUtil.generic.sqrt
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_fp_unittest(
libc.src.__support.FPUtil.generic.sqrt
COMPILE_OPTIONS
-O3
- -Wno-c++17-extensions
)
add_fp_unittest(
libc.include.math
libc.src.math.hypotf
libc.src.__support.FPUtil.fputil
- COMPILE_OPTIONS
- -Wno-c++17-extensions
)
add_fp_unittest(
libc.include.math
libc.src.math.hypot
libc.src.__support.FPUtil.fputil
- COMPILE_OPTIONS
- -Wno-c++17-extensions
)
add_fp_unittest(
cmake_parse_arguments(
"DIFF"
"" # No optional arguments
- "SUITE" # Single value arguments
+ "SUITE;CXX_STANDARD" # Single value arguments
"SRCS;HDRS;DEPENDS;COMPILE_OPTIONS" # Multi-value arguments
${ARGN}
)
set_target_properties(${fq_target_name}
PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+
+ if(DIFF_CXX_STANDARD)
+ set_target_properties(
+ ${fq_target_name}
+ PROPERTIES
+ CXX_STANDARD ${DIFF_CXX_STANDARD}
+ )
+ endif()
add_dependencies(
${fq_target_name}
libc.src.math.hypotf
COMPILE_OPTIONS
-fno-builtin
- -Wno-c++17-extensions
)
add_diff_binary(
libc.src.math.hypot
COMPILE_OPTIONS
-fno-builtin
- -Wno-c++17-extensions
)
MPFRUtils.cpp
MPFRUtils.h
)
+ add_compile_options(
+ -O3
+ )
add_dependencies(libcMPFRWrapper libc.src.__support.CPP.standalone_cpp libc.src.__support.FPUtil.fputil LibcUnitTest)
if(EXISTS ${LLVM_LIBC_MPFR_INSTALL_PATH})
target_include_directories(libcMPFRWrapper PUBLIC ${LLVM_LIBC_MPFR_INSTALL_PATH}/include)