Features: On SunPro link with language standard compiler flag

When C++ feature requirements or `CXX_STANDARD` cause us to compile
on SunPro with the `-std=c++11` option, link with the option too.
This is needed to make the compiler use the matching standard library.
This commit is contained in:
Brad King 2017-04-28 14:45:11 -04:00
parent d037be122e
commit e17b179184
2 changed files with 10 additions and 0 deletions

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@ -36,6 +36,7 @@ if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=c++11")
set(CMAKE_CXX_LINK_WITH_STANDARD_COMPILE_OPTION 1)
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)

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@ -1321,6 +1321,15 @@ void cmLocalGenerator::AddLanguageFlagsForLinking(
std::string& flags, cmGeneratorTarget const* target, const std::string& lang,
const std::string& config)
{
if (this->Makefile->IsOn("CMAKE_" + lang +
"_LINK_WITH_STANDARD_COMPILE_OPTION")) {
// This toolchain requires use of the language standard flag
// when linking in order to use the matching standard library.
// FIXME: If CMake gains an abstraction for standard library
// selection, this will have to be reconciled with it.
this->AddCompilerRequirementFlag(flags, target, lang);
}
this->AddLanguageFlags(flags, target, lang, config);
}