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Setting -Wall on compilers that support it.

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This commit is contained in:
Eelke Klein 2017-09-10 10:10:42 +02:00
parent fd41613b5c
commit b372fb6c6b
1 changed files with 16 additions and 0 deletions
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16
src/CMakeLists.txt
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@ -8,6 +8,22 @@ set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/"
# locations on all platforms. # locations on all platforms.
include(GNUInstallDirs) include(GNUInstallDirs)
include(CheckCXXCompilerFlag)
function(enable_cxx_compiler_flag_if_supported flag)
string(FIND "${CMAKE_CXX_FLAGS}" "${flag}" flag_already_set)
if(flag_already_set EQUAL -1)
check_cxx_compiler_flag("${flag}" flag_supported)
if(flag_supported)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE)
endif()
unset(flag_supported CACHE)
endif()
endfunction()
enable_cxx_compiler_flag_if_supported("-Wall")
set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_CXX_EXTENSIONS OFF)
# set(CMAKE_CXX_STANDARD 14) # set(CMAKE_CXX_STANDARD 14)
# set(CMAKE_CXX_STANDARD_REQUIRED ON) # set(CMAKE_CXX_STANDARD_REQUIRED ON)