Merge topic 'position-independent-targets'

bd34963 Refactor generation of shared library flags
55d7aa4 Add platform variable for flags specific to shared libraries
31d7a0f Add platform variables for position independent code flags

1 files changed, 21 insertions, 0 deletions

diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index f883041..a47ca36 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -586,6 +586,16 @@ cmGlobalGenerator::EnableLanguage(std::vector<std::string>const& languages,
           }
         } // end if in try compile
       } // end need test language
+    // Store the shared library flags so that we can satisfy CMP0018
+    std::string sharedLibFlagsVar = "CMAKE_SHARED_LIBRARY_";
+    sharedLibFlagsVar += lang;
+    sharedLibFlagsVar += "_FLAGS";
+    const char* sharedLibFlags =
+      mf->GetSafeDefinition(sharedLibFlagsVar.c_str());
+    if (sharedLibFlags)
+      {
+      this->LanguageToOriginalSharedLibFlags[lang] = sharedLibFlags;
+      }
     } // end for each language
 
   // Now load files that can override any settings on the platform or for
@@ -2107,6 +2117,17 @@ cmGlobalGenerator::GenerateRuleFile(std::string const& output) const
 }
 
 //----------------------------------------------------------------------------
+std::string cmGlobalGenerator::GetSharedLibFlagsForLanguage(
+                                                        std::string const& l)
+{
+  if(this->LanguageToOriginalSharedLibFlags.count(l) > 0)
+    {
+    return this->LanguageToOriginalSharedLibFlags[l];
+    }
+  return "";
+}
+
+//----------------------------------------------------------------------------
 void cmGlobalGenerator::AppendDirectoryForConfig(const char*, const char*,
                                                  const char*, std::string&)
 {