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try_compile: Honor CMAKE_WARN_DEPRECATED in test project

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This causes the `-Wno-deprecated` option to be honored even inside a
`try_compile` test project, which is needed to suppress all deprecation
warnings as the option documents.

Closes: #16446
This commit is contained in:
Brad King
2016-11-22 10:08:45 -05:00
parent 74a0359ee6
commit 6d604c4972
4 changed files with 28 additions and 0 deletions
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Source/cmCoreTryCompile.cxx
+2
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@@ -44,6 +44,7 @@ static std::string const kCMAKE_TRY_COMPILE_OSX_ARCHITECTURES =
"CMAKE_TRY_COMPILE_OSX_ARCHITECTURES";
static std::string const kCMAKE_TRY_COMPILE_PLATFORM_VARIABLES =
"CMAKE_TRY_COMPILE_PLATFORM_VARIABLES";
static std::string const kCMAKE_WARN_DEPRECATED = "CMAKE_WARN_DEPRECATED";
int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv,
bool isTryRun)
@@ -453,6 +454,7 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv,
vars.insert(kCMAKE_OSX_SYSROOT);
vars.insert(kCMAKE_POSITION_INDEPENDENT_CODE);
vars.insert(kCMAKE_SYSROOT);
vars.insert(kCMAKE_WARN_DEPRECATED);
if (const char* varListStr = this->Makefile->GetDefinition(
kCMAKE_TRY_COMPILE_PLATFORM_VARIABLES)) {