7d7845acb5
Some checks failed
linux-aarch64-cpu-gcc / linux-gcc-aarch64 (Release) (push) Waiting to run
linux-arm-gcc / linux-gcc-arm (Debug) (push) Waiting to run
linux-arm-gcc / linux-gcc-arm (Release) (push) Waiting to run
linux-arm-gcc / linux-gcc-armhf (Debug) (push) Waiting to run
linux-arm-gcc / linux-gcc-armhf (Release) (push) Waiting to run
linux-mips-gcc / linux-gcc-mipsel (Debug) (push) Waiting to run
linux-mips-gcc / linux-gcc-mipsel (Release) (push) Waiting to run
linux-mips64-gcc / linux-gcc-mips64el (Debug) (push) Waiting to run
linux-mips64-gcc / linux-gcc-mips64el (Release) (push) Waiting to run
linux-riscv64-gcc / linux-gcc-riscv64 (Debug) (push) Waiting to run
linux-riscv64-gcc / linux-gcc-riscv64 (Release) (push) Waiting to run
linux-x64-clang / linux-clang (Debug) (push) Waiting to run
linux-x64-clang / linux-clang (Release) (push) Waiting to run
linux-x64-gcc / linux-gcc (Debug) (push) Waiting to run
linux-x64-gcc / linux-gcc (Release) (push) Waiting to run
linux-x86-gcc / linux-gcc (Debug) (push) Waiting to run
linux-x86-gcc / linux-gcc (Release) (push) Waiting to run
android / build (push) Failing after 7m1s
linux-aarch64-cpu-gcc / linux-gcc-aarch64 (Debug) (push) Has been cancelled
83 lines
2.6 KiB
CMake
83 lines
2.6 KiB
CMake
# - Compile and run code to check for C++ features
|
|
#
|
|
# This functions compiles a source file under the `cmake` folder
|
|
# and adds the corresponding `HAVE_[FILENAME]` flag to the CMake
|
|
# environment
|
|
#
|
|
# cxx_feature_check(<FLAG> [<VARIANT>])
|
|
#
|
|
# - Example
|
|
#
|
|
# include(CXXFeatureCheck)
|
|
# cxx_feature_check(STD_REGEX)
|
|
# Requires CMake 2.8.12+
|
|
|
|
if(__cxx_feature_check)
|
|
return()
|
|
endif()
|
|
set(__cxx_feature_check INCLUDED)
|
|
|
|
option(CXXFEATURECHECK_DEBUG OFF)
|
|
|
|
function(cxx_feature_check FILE)
|
|
string(TOLOWER ${FILE} FILE)
|
|
string(TOUPPER ${FILE} VAR)
|
|
string(TOUPPER "HAVE_${VAR}" FEATURE)
|
|
if (DEFINED HAVE_${VAR})
|
|
set(HAVE_${VAR} 1 PARENT_SCOPE)
|
|
add_definitions(-DHAVE_${VAR})
|
|
return()
|
|
endif()
|
|
|
|
set(FEATURE_CHECK_CMAKE_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS})
|
|
if (ARGC GREATER 1)
|
|
message(STATUS "Enabling additional flags: ${ARGV1}")
|
|
list(APPEND FEATURE_CHECK_CMAKE_FLAGS ${ARGV1})
|
|
endif()
|
|
|
|
if (NOT DEFINED COMPILE_${FEATURE})
|
|
if(CMAKE_CROSSCOMPILING)
|
|
message(STATUS "Cross-compiling to test ${FEATURE}")
|
|
try_compile(COMPILE_${FEATURE}
|
|
${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${FILE}.cpp
|
|
CXX_STANDARD 11
|
|
CXX_STANDARD_REQUIRED ON
|
|
CMAKE_FLAGS ${FEATURE_CHECK_CMAKE_FLAGS}
|
|
LINK_LIBRARIES ${BENCHMARK_CXX_LIBRARIES}
|
|
OUTPUT_VARIABLE COMPILE_OUTPUT_VAR)
|
|
if(COMPILE_${FEATURE})
|
|
message(WARNING
|
|
"If you see build failures due to cross compilation, try setting HAVE_${VAR} to 0")
|
|
set(RUN_${FEATURE} 0 CACHE INTERNAL "")
|
|
else()
|
|
set(RUN_${FEATURE} 1 CACHE INTERNAL "")
|
|
endif()
|
|
else()
|
|
message(STATUS "Compiling and running to test ${FEATURE}")
|
|
try_run(RUN_${FEATURE} COMPILE_${FEATURE}
|
|
${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${FILE}.cpp
|
|
CXX_STANDARD 11
|
|
CXX_STANDARD_REQUIRED ON
|
|
CMAKE_FLAGS ${FEATURE_CHECK_CMAKE_FLAGS}
|
|
LINK_LIBRARIES ${BENCHMARK_CXX_LIBRARIES}
|
|
COMPILE_OUTPUT_VARIABLE COMPILE_OUTPUT_VAR)
|
|
endif()
|
|
endif()
|
|
|
|
if(RUN_${FEATURE} EQUAL 0)
|
|
message(STATUS "Performing Test ${FEATURE} -- success")
|
|
set(HAVE_${VAR} 1 PARENT_SCOPE)
|
|
add_definitions(-DHAVE_${VAR})
|
|
else()
|
|
if(NOT COMPILE_${FEATURE})
|
|
if(CXXFEATURECHECK_DEBUG)
|
|
message(STATUS "Performing Test ${FEATURE} -- failed to compile: ${COMPILE_OUTPUT_VAR}")
|
|
else()
|
|
message(STATUS "Performing Test ${FEATURE} -- failed to compile")
|
|
endif()
|
|
else()
|
|
message(STATUS "Performing Test ${FEATURE} -- compiled but failed to run")
|
|
endif()
|
|
endif()
|
|
endfunction()
|