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Set flag only if supported by the compiler

This commit is contained in:
Berkus Decker 2017-12-18 02:44:22 +02:00 committed by Berkus Decker
parent b58adbd2b1
commit 6c6c23c5a1
2 changed files with 9 additions and 1 deletions
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8
CMakeLists.txt
View File

@ -13,6 +13,14 @@ if (UNIX AND NOT APPLE)
set(LINUX 1)
endif()
function(set_flag_if_supported target shortname flag)
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(${flag} ${shortname}_FLAG_SUPPORTED)
if (${shortname}_FLAG_SUPPORTED)
target_compile_options(${target} PRIVATE ${flag})
endif()
endfunction()
##================================================
## Configure packages
##================================================

2
Telegram/CMakeLists.txt
View File

@ -620,7 +620,7 @@ endif()
# Disable a single annoying warning about c++17
if(NOT WIN32)
target_compile_options(Telegram PRIVATE -Wno-c++1z-extensions)
set_flag_if_supported(Telegram WNCE -Wno-c++1z-extensions)
endif()
# Enable C++14 support for msvc (@todo this should be done in cmake - see ver 3.10 or above)