ENH: allow lib prefix for to stay for nmake and borland make as it is not a system prefix

Source/cmGlobalNMakeMakefileGenerator.cxx

@@ -40,6 +40,7 @@ cmLocalGenerator *cmGlobalNMakeMakefileGenerator::CreateLocalGenerator()
   lg->SetWindowsShell(true);
   lg->SetMakeSilentFlag("/nologo");
   lg->SetGlobalGenerator(this);
+  lg->SetIgnoreLibPrefix(true);
   return lg;
 }
 

Source/cmLocalUnixMakefileGenerator.cxx

@@ -31,6 +31,7 @@ cmLocalUnixMakefileGenerator::cmLocalUnixMakefileGenerator()
   m_WindowsShell = false;
   m_IncludeDirective = "include";
   m_MakefileVariableSize = 0;
+  m_IgnoreLibPrefix = false;
 }
 
 cmLocalUnixMakefileGenerator::~cmLocalUnixMakefileGenerator()
@@ -601,11 +602,19 @@ void cmLocalUnixMakefileGenerator::OutputLinkLibraries(std::ostream& fout,
         }  
       cmsys::RegularExpression libname("^lib([^/]*)(\\.so|\\.lib|\\.dll|\\.sl|\\.a|\\.dylib).*");
       cmsys::RegularExpression libname_noprefix("([^/]*)(\\.so|\\.lib|\\.dll|\\.sl|\\.a|\\.dylib).*");
+      std::cout << "file is " << file << "\n";
       if(libname.find(file))
         {
         // Library had "lib" prefix.
         librariesLinked += libLinkFlag;
         file = libname.match(1);
+        // if ignore libprefix is on,
+        // then add the lib prefix back into the name
+        if(m_IgnoreLibPrefix)
+          {
+          std::cout << "m_IgnoreLibPrefix\n";
+          file = "lib" + file;
+          }
         librariesLinked += file;
         if(linkSuffix.size() && !hasSuffix.find(file))
           {

Source/cmLocalUnixMakefileGenerator.h

@@ -77,6 +77,10 @@ public:
   ///! Set max makefile variable size, default is 0 which means unlimited.
   void SetMakefileVariableSize(int s) { m_MakefileVariableSize = s; }
 
+  ///! If ignore lib prefix is true, then do not strip lib from the name of a library.
+  void SetIgnoreLibPrefix(bool s) { m_IgnoreLibPrefix = s; }
+
+  
 protected:
   void AddDependenciesToSourceFile(cmDependInformation const*info,
                                    cmSourceFile *i,
@@ -207,7 +211,7 @@ protected:
   int m_MakefileVariableSize;
   std::map<cmStdString, cmStdString> m_MakeVariableMap;
   std::map<cmStdString, cmStdString> m_ShortMakeVariableMap;
-  
+  bool m_IgnoreLibPrefix;
   std::string m_IncludeDirective;
   std::string m_MakeSilentFlag;
   std::string m_ExecutableOutputPath;