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CMake: Fix for QT 5.7 overwriting -std=c++1y flag

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In QT 5.7 they added a new check for CXX features which appends a minimum
required standard to the CXX_FLAGS. Because we were writing the flag
directly previously, cmake assumed it needed to add a c++11 flag to the
build. This tells cmake to use c++14 on every build.
This commit is contained in:
James Rowe 2016-06-30 11:59:32 -06:00
parent e91327c86a
commit a976c2e3ba
2 changed files with 8 additions and 6 deletions
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4
.travis-deps.sh
View File

@ -9,7 +9,7 @@ if [ "$TRAVIS_OS_NAME" = "linux" -o -z "$TRAVIS_OS_NAME" ]; then
export CXX=g++-6 export CXX=g++-6
mkdir -p $HOME/.local mkdir -p $HOME/.local
curl -L http://www.cmake.org/files/v3.1/cmake-3.1.0-Linux-i386.tar.gz \ curl -L http://www.cmake.org/files/v3.2/cmake-3.2.0-Linux-i386.tar.gz \
| tar -xz -C $HOME/.local --strip-components=1 | tar -xz -C $HOME/.local --strip-components=1
( (
@ -21,6 +21,6 @@ if [ "$TRAVIS_OS_NAME" = "linux" -o -z "$TRAVIS_OS_NAME" ]; then
elif [ "$TRAVIS_OS_NAME" = "osx" ]; then elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
brew update > /dev/null # silence the very verbose output brew update > /dev/null # silence the very verbose output
brew unlink cmake brew unlink cmake
brew install cmake31 qt5 sdl2 dylibbundler brew install cmake qt5 sdl2 dylibbundler
gem install xcpretty gem install xcpretty
fi fi

10
CMakeLists.txt
View File

@ -1,6 +1,5 @@
# CMake 3.1 required for Qt5 settings to be applied automatically on # CMake 3.2 required for cmake to know the right flags for CXX standard on OSX
# dependent libraries and IMPORTED targets. cmake_minimum_required(VERSION 3.2)
cmake_minimum_required(VERSION 3.1)
function(download_bundled_external remote_path lib_name prefix_var) function(download_bundled_external remote_path lib_name prefix_var)
set(prefix "${CMAKE_BINARY_DIR}/externals/${lib_name}") set(prefix "${CMAKE_BINARY_DIR}/externals/${lib_name}")
@ -63,8 +62,11 @@ if (NOT DEFINED ARCHITECTURE)
endif() endif()
message(STATUS "Target architecture: ${ARCHITECTURE}") message(STATUS "Target architecture: ${ARCHITECTURE}")
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if (NOT MSVC) if (NOT MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y -Wno-attributes") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
else() else()
# Silence "deprecation" warnings # Silence "deprecation" warnings