Merge topic 'GNU-to-MS'

ae62a1c Test CMAKE_GNUtoMS option in ExportImport on MinGW and MSys
afb00fe Add CMAKE_GNUtoMS option to convert GNU .dll.a to MS .lib
61e8629 Factor makefile generator link rule lookup into helper function
a603250 Load platform files that need to know the ABI when possible
ecd8414 Fortran: Detect pointer size in gfortran on MinGW

1 files changed, 38 insertions, 0 deletions

diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index 7e02a39..87f8c5e 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -972,6 +972,23 @@ void cmTarget::DefineProperties(cmake *cm)
      "is created its value is used to initialize this property.");
 
   cm->DefineProperty
+    ("GNUtoMS", cmProperty::TARGET,
+     "Convert GNU import library (.dll.a) to MS format (.lib).",
+     "When linking a shared library or executable that exports symbols "
+     "using GNU tools on Windows (MinGW/MSYS) with Visual Studio installed "
+     "convert the import library (.dll.a) from GNU to MS format (.lib).  "
+     "Both import libraries will be installed by install(TARGETS) and "
+     "exported by install(EXPORT) and export() to be linked by applications "
+     "with either GNU- or MS-compatible tools."
+     "\n"
+     "If the variable CMAKE_GNUtoMS is set when a target "
+     "is created its value is used to initialize this property.  "
+     "The variable must be set prior to the first command that enables "
+     "a language such as project() or enable_language().  "
+     "CMake provides the variable as an option to the user automatically "
+     "when configuring on Windows with GNU tools.");
+
+  cm->DefineProperty
     ("XCODE_ATTRIBUTE_<an-attribute>", cmProperty::TARGET,
      "Set Xcode target attributes directly.",
      "Tell the Xcode generator to set '<an-attribute>' to a given value "
@@ -1210,6 +1227,7 @@ void cmTarget::SetMakefile(cmMakefile* mf)
   this->SetPropertyDefault("RUNTIME_OUTPUT_DIRECTORY", 0);
   this->SetPropertyDefault("Fortran_FORMAT", 0);
   this->SetPropertyDefault("Fortran_MODULE_DIRECTORY", 0);
+  this->SetPropertyDefault("GNUtoMS", 0);
   this->SetPropertyDefault("OSX_ARCHITECTURES", 0);
   this->SetPropertyDefault("AUTOMOC", 0);
   this->SetPropertyDefault("AUTOMOC_MOC_OPTIONS", 0);
@@ -3472,6 +3490,26 @@ void cmTarget::GetExecutableNames(std::string& name,
 }
 
 //----------------------------------------------------------------------------
+bool cmTarget::HasImplibGNUtoMS()
+{
+  return this->HasImportLibrary() && this->GetPropertyAsBool("GNUtoMS");
+}
+
+//----------------------------------------------------------------------------
+bool cmTarget::GetImplibGNUtoMS(std::string const& gnuName,
+                                std::string& out, const char* newExt)
+{
+  if(this->HasImplibGNUtoMS() &&
+     gnuName.size() > 6 && gnuName.substr(gnuName.size()-6) == ".dll.a")
+    {
+    out = gnuName.substr(0, gnuName.size()-6);
+    out += newExt? newExt : ".lib";
+    return true;
+    }
+  return false;
+}
+
+//----------------------------------------------------------------------------
 void cmTarget::GenerateTargetManifest(const char* config)
 {
   cmMakefile* mf = this->Makefile;