cmCommonTargetGenerator: Adopt AppendOSXVerFlag method

Move this method from cmMakefileLibraryTargetGenerator so it can be
re-used for the Ninja generator too.

Signed-off-by: Bruce Stephens <bruce.r.stephens@gmail.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/Source/cmCommonTargetGenerator.cxx b/Source/cmCommonTargetGenerator.cxx
index 76ed038..b5688a8 100644
--- a/Source/cmCommonTargetGenerator.cxx
+++ b/Source/cmCommonTargetGenerator.cxx
@@ -426,3 +426,35 @@ std::string cmCommonTargetGenerator::GetManifests()
 
   return cmJoin(manifests, " ");
 }
+
+void cmCommonTargetGenerator
+::AppendOSXVerFlag(std::string& flags, const std::string& lang,
+                   const char* name, bool so)
+{
+  // Lookup the flag to specify the version.
+  std::string fvar = "CMAKE_";
+  fvar += lang;
+  fvar += "_OSX_";
+  fvar += name;
+  fvar += "_VERSION_FLAG";
+  const char* flag = this->Makefile->GetDefinition(fvar);
+
+  // Skip if no such flag.
+  if(!flag)
+    {
+    return;
+    }
+
+  // Lookup the target version information.
+  int major;
+  int minor;
+  int patch;
+  this->GeneratorTarget->GetTargetVersion(so, major, minor, patch);
+  if(major > 0 || minor > 0 || patch > 0)
+    {
+    // Append the flag since a non-zero version is specified.
+    std::ostringstream vflag;
+    vflag << flag << major << "." << minor << "." << patch;
+    this->LocalGenerator->AppendFlags(flags, vflag.str());
+    }
+}