STYLE: change global cmake variable CMAKE_TARGET_SUPPORTS_ONLY_STATIC_LIBS

to the first global cmake property TARGET_SUPPORTS_SHARED_LIBS

Alex

Source/cmAddLibraryCommand.cxx

@@ -16,6 +16,8 @@
 =========================================================================*/
 #include "cmAddLibraryCommand.h"
 
+#include "cmake.h"
+
 // cmLibraryCommand
 bool cmAddLibraryCommand::InitialPass(std::vector<std::string> const& args)
 {
@@ -82,7 +84,8 @@ bool cmAddLibraryCommand::InitialPass(std::vector<std::string> const& args)
     STATIC. But at this point we know only the name of the target, but not 
     yet its linker language. */
   if ((type != cmTarget::STATIC_LIBRARY) && 
-       (this->Makefile->IsOn("CMAKE_TARGET_SUPPORTS_ONLY_STATIC_LIBS")))
+       (this->Makefile->GetCMakeInstance()->GetPropertyAsBool(
+                                      "TARGET_SUPPORTS_SHARED_LIBS") == false))
     {
     std::string msg = "ADD_LIBRARY for library ";
     msg += args[0];

Source/cmake.cxx

@@ -128,6 +128,7 @@ cmake::cmake()
   cmTarget::DefineProperties(this);
   cmMakefile::DefineProperties(this);
   cmTest::DefineProperties(this);
+  cmake::DefineProperties(this);
 
 #ifdef __APPLE__
   struct rlimit rlp;
@@ -2930,6 +2931,18 @@ int cmake::ExecuteLinkScript(std::vector<std::string>& args)
   return result;
 }
 
+void cmake::DefineProperties(cmake *cm)
+{
+  cm->DefineProperty
+    ("TARGET_SUPPORTS_SHARED_LIBS", cmProperty::GLOBAL, 
+     "Does the target platform support shared libraries.",
+     "TARGET_SUPPORTS_SHARED_LIBS is a boolean specifying whether the target "
+     "platform supports shared libraries. Basically all current general "
+     "general purpose OS do so, the exception are usually embedded systems "
+     "with no or special OSs.");
+}
+
+
 void cmake::DefineProperty(const char *name, cmProperty::ScopeType scope,
                            const char *ShortDescription,
                            const char *FullDescription,

Source/cmake.h

@@ -312,6 +312,9 @@ class cmake
   bool IsPropertyDefined(const char *name, cmProperty::ScopeType scope);
   bool IsPropertyChained(const char *name, cmProperty::ScopeType scope);
 
+  // Define the properties
+  static void DefineProperties(cmake *cm);
+
 protected:
   cmPropertyMap Properties;