Using target_compile_features to specify C++ 11 standard

This commit is contained in:
Kevin Tonon 2018-03-27 12:51:30 -04:00
parent d2dd27dc3b
commit 73cc5089e3
3 changed files with 9 additions and 8 deletions

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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.0.0)
cmake_minimum_required(VERSION 3.8)
##
## PROJECT
@ -44,6 +44,8 @@ endif()
##
add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_std_11)
target_include_directories(
${NLOHMANN_JSON_TARGET_NAME}
INTERFACE

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@ -1,9 +1,9 @@
cmake_minimum_required(VERSION 3.0)
cmake_minimum_required(VERSION 3.8)
project(JSON_Benchmarks LANGUAGES CXX)
# set compiler flags
if((CMAKE_CXX_COMPILER_ID MATCHES GNU) OR (CMAKE_CXX_COMPILER_ID MATCHES Clang))
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -flto -DNDEBUG -O3")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto -DNDEBUG -O3")
endif()
# configure Google Benchmarks
@ -23,4 +23,5 @@ file(COPY ${CMAKE_SOURCE_DIR}/../test/data/regression/floats.json
# benchmark binary
add_executable(json_benchmarks src/benchmarks.cpp)
target_compile_features(json_benchmarks PRIVATE cxx_std_11)
target_link_libraries(json_benchmarks benchmark ${CMAKE_THREAD_LIBS_INIT})

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@ -6,7 +6,7 @@ option(JSON_Coverage "Build test suite with coverage information" OFF)
if(JSON_Sanitizer)
message(STATUS "Building test suite with Clang sanitizer")
if(NOT MSVC)
set(CMAKE_CXX_FLAGS "-std=c++11 -g -O2 -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "-g -O2 -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer")
endif()
endif()
@ -62,11 +62,10 @@ add_library(catch_main OBJECT
"src/unit.cpp"
)
set_target_properties(catch_main PROPERTIES
CXX_STANDARD 11
CXX_STANDARD_REQUIRED ON
COMPILE_DEFINITIONS "$<$<CXX_COMPILER_ID:MSVC>:_SCL_SECURE_NO_WARNINGS>"
COMPILE_OPTIONS "$<$<CXX_COMPILER_ID:MSVC>:/EHsc;$<$<CONFIG:Release>:/Od>>"
)
target_compile_features(catch_main PUBLIC cxx_std_11)
target_include_directories(catch_main PRIVATE "thirdparty/catch")
# https://stackoverflow.com/questions/2368811/how-to-set-warning-level-in-cmake
@ -96,13 +95,12 @@ foreach(file ${files})
add_executable(${testcase} $<TARGET_OBJECTS:catch_main> ${file})
set_target_properties(${testcase} PROPERTIES
CXX_STANDARD 11
CXX_STANDARD_REQUIRED ON
COMPILE_DEFINITIONS "$<$<CXX_COMPILER_ID:MSVC>:_SCL_SECURE_NO_WARNINGS>"
COMPILE_OPTIONS "$<$<CXX_COMPILER_ID:MSVC>:/EHsc;$<$<CONFIG:Release>:/Od>>"
)
target_compile_definitions(${testcase} PRIVATE CATCH_CONFIG_FAST_COMPILE)
target_compile_features(${testcase} PRIVATE cxx_std_11)
target_include_directories(${testcase} PRIVATE "thirdparty/catch")
target_include_directories(${testcase} PRIVATE "thirdparty/fifo_map")
target_include_directories(${testcase} PRIVATE ${NLOHMANN_JSON_INCLUDE_BUILD_DIR})