From b15f4e9b86bc3dc31b6a01c0ffc30747f467ec1f Mon Sep 17 00:00:00 2001
From: Chuck Atkins <chuck.atkins@kitware.com>
Date: Mon, 24 Aug 2015 22:56:31 -0400
Subject: 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.
---
Help/command/try_compile.rst | 3 +++
Source/cmCoreTryCompile.cxx | 10 ++++++++++
2 files changed, 13 insertions(+)
diff --git a/Help/command/try_compile.rst b/Help/command/try_compile.rst
index 1ed24df..28dae80 100644
--- a/Help/command/try_compile.rst
+++ b/Help/command/try_compile.rst
@@ -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.
diff --git a/Source/cmCoreTryCompile.cxx b/Source/cmCoreTryCompile.cxx
index 9411555..e489ad2 100644
--- a/Source/cmCoreTryCompile.cxx
+++ b/Source/cmCoreTryCompile.cxx
@@ -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());
--
cgit v0.12