try_compile: Propogate CMP0065 to the generated project.

Set policy CMP0065 to the value used in the calling project.

Set the the value of CMAKE_ENABLE_EXPORTS if set in the calling
project to initialize the target property appropriately.
This commit is contained in:
Chuck Atkins 2015-08-24 22:56:31 -04:00 committed by Brad King
parent 9784af1b50
commit b15f4e9b86
2 changed files with 13 additions and 0 deletions

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@ -100,6 +100,7 @@ If set, the following variables are passed in to the generated
try_compile CMakeLists.txt to initialize compile target properties with
default values:
* :variable:`CMAKE_ENABLE_EXPORTS`
* :variable:`CMAKE_LINK_SEARCH_START_STATIC`
* :variable:`CMAKE_LINK_SEARCH_END_STATIC`
* :variable:`CMAKE_POSITION_INDEPENDENT_CODE`
@ -107,5 +108,7 @@ default values:
If :policy:`CMP0056` is set to ``NEW``, then
:variable:`CMAKE_EXE_LINKER_FLAGS` is passed in as well.
The current setting of :policy:`CMP0065` is set in the generated project.
Set the :variable:`CMAKE_TRY_COMPILE_CONFIGURATION` variable to choose
a build configuration.

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@ -481,6 +481,16 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv)
fprintf(fout, "set(CMAKE_LINK_SEARCH_END_STATIC \"%s\")\n", lssDef);
}
/* Set the appropriate policy information for ENABLE_EXPORTS */
fprintf(fout, "cmake_policy(SET CMP0065 %s)\n",
this->Makefile->GetPolicyStatus(cmPolicies::CMP0065) ==
cmPolicies::NEW ? "NEW" : "OLD");
if(const char *ee = this->Makefile->GetDefinition(
"CMAKE_ENABLE_EXPORTS"))
{
fprintf(fout, "set(CMAKE_ENABLE_EXPORTS %s)\n", ee);
}
/* Put the executable at a known location (for COPY_FILE). */
fprintf(fout, "set(CMAKE_RUNTIME_OUTPUT_DIRECTORY \"%s\")\n",
this->BinaryDirectory.c_str());