stringapi: Use strings for program paths

Source/cmBuildCommand.cxx

@@ -107,7 +107,7 @@ bool cmBuildCommand
 
   std::string makecommand = this->Makefile->GetLocalGenerator()
     ->GetGlobalGenerator()->GenerateCMakeBuildCommand(target, configuration,
-                                                      0, true);
+                                                      "", true);
 
   this->Makefile->AddDefinition(variable, makecommand.c_str());
 
@@ -137,7 +137,7 @@ bool cmBuildCommand
 
   std::string makecommand = this->Makefile->GetLocalGenerator()
     ->GetGlobalGenerator()->GenerateCMakeBuildCommand("", configType.c_str(),
-                                                      0, true);
+                                                      "", true);
 
   if(cacheValue)
     {

Source/cmGlobalGenerator.cxx

@@ -89,19 +89,25 @@ bool cmGlobalGenerator::SetGeneratorToolset(std::string const& ts)
   return false;
 }
 
-std::string cmGlobalGenerator::SelectMakeProgram(const char* makeProgram,
-                                                 std::string makeDefault) const
+std::string cmGlobalGenerator::SelectMakeProgram(
+                                          const std::string& inMakeProgram,
+                                          const std::string& makeDefault) const
 {
-  if(cmSystemTools::IsOff(makeProgram))
+  std::string makeProgram = inMakeProgram;
+  if(cmSystemTools::IsOff(makeProgram.c_str()))
     {
-    makeProgram =
+    const char* makeProgramCSTR =
       this->CMakeInstance->GetCacheDefinition("CMAKE_MAKE_PROGRAM");
-    if(cmSystemTools::IsOff(makeProgram))
+    if(cmSystemTools::IsOff(makeProgramCSTR))
       {
-      makeProgram = makeDefault.c_str();
+      makeProgram = makeDefault;
       }
-    if(cmSystemTools::IsOff(makeProgram) &&
-       !(makeProgram && *makeProgram))
+    else
+      {
+      makeProgram = makeProgramCSTR;
+      }
+    if(cmSystemTools::IsOff(makeProgram.c_str()) &&
+       !makeProgram.empty())
       {
       makeProgram = "CMAKE_MAKE_PROGRAM-NOTFOUND";
       }
@@ -1660,13 +1666,14 @@ int cmGlobalGenerator::TryCompile(const std::string& srcdir,
     mf->GetSafeDefinition("CMAKE_TRY_COMPILE_CONFIGURATION");
   return this->Build(srcdir,bindir,projectName,
                      newTarget.c_str(),
-                     output,0,config,false,fast,
+                     output,"",config,false,fast,
                      this->TryCompileTimeout);
 }
 
 void cmGlobalGenerator::GenerateBuildCommand(
-  std::vector<std::string>& makeCommand, const char*, const std::string&,
-  const std::string&, const std::string&, const std::string&, bool,
+  std::vector<std::string>& makeCommand, const std::string&,
+  const std::string&, const std::string&, const std::string&,
+  const std::string&, bool,
   std::vector<std::string> const&)
 {
   makeCommand.push_back(
@@ -1677,7 +1684,7 @@ int cmGlobalGenerator::Build(
   const std::string&, const std::string& bindir,
   const std::string& projectName, const std::string& target,
   std::string *output,
-  const char *makeCommandCSTR,
+  const std::string& makeCommandCSTR,
   const std::string& config,
   bool clean, bool fast,
   double timeout,

Source/cmGlobalGenerator.h

@@ -120,7 +120,7 @@ public:
   int Build(const std::string& srcdir, const std::string& bindir,
             const std::string& projectName, const std::string& targetName,
             std::string *output,
-            const char *makeProgram, const std::string& config,
+            const std::string& makeProgram, const std::string& config,
             bool clean, bool fast,
             double timeout,
             cmSystemTools::OutputOption outputflag=cmSystemTools::OUTPUT_NONE,
@@ -129,7 +129,7 @@ public:
 
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName, const std::string& projectDir,
     const std::string& targetName, const std::string& config, bool fast,
     std::vector<std::string> const& makeOptions = std::vector<std::string>()
@@ -345,8 +345,8 @@ protected:
                                 cmTarget const*> > AutogensType;
   void CreateQtAutoGeneratorsTargets(AutogensType& autogens);
 
-  std::string SelectMakeProgram(const char* makeProgram,
-                                std::string makeDefault = "") const;
+  std::string SelectMakeProgram(const std::string& makeProgram,
+                                const std::string& makeDefault = "") const;
 
   // Fill the ProjectMap, this must be called after LocalGenerators
   // has been populated.

Source/cmGlobalNinjaGenerator.cxx

@@ -551,7 +551,7 @@ bool cmGlobalNinjaGenerator::UsingMinGW = false;
 //   cmGlobalGenerator::Build()
 void cmGlobalNinjaGenerator
 ::GenerateBuildCommand(std::vector<std::string>& makeCommand,
-                       const char* makeProgram,
+                       const std::string& makeProgram,
                        const std::string& /*projectName*/,
                        const std::string& /*projectDir*/,
                        const std::string& targetName,

Source/cmGlobalNinjaGenerator.h

@@ -193,7 +193,7 @@ public:
   /// Overloaded methods. @see cmGlobalGenerator::GenerateBuildCommand()
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName,
     const std::string& projectDir,
     const std::string& targetName,

Source/cmGlobalUnixMakefileGenerator3.cxx

@@ -565,7 +565,7 @@ cmGlobalUnixMakefileGenerator3
 //----------------------------------------------------------------------------
 void cmGlobalUnixMakefileGenerator3
 ::GenerateBuildCommand(std::vector<std::string>& makeCommand,
-                       const char* makeProgram,
+                       const std::string& makeProgram,
                        const std::string& /*projectName*/,
                        const std::string& /*projectDir*/,
                        const std::string& targetName,

Source/cmGlobalUnixMakefileGenerator3.h

@@ -109,7 +109,7 @@ public:
   // change the build command for speed
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName,
     const std::string& projectDir,
     const std::string& targetName,

Source/cmGlobalVisualStudio10Generator.cxx

@@ -312,7 +312,7 @@ std::string cmGlobalVisualStudio10Generator::FindDevEnvCommand()
 //----------------------------------------------------------------------------
 void cmGlobalVisualStudio10Generator::GenerateBuildCommand(
   std::vector<std::string>& makeCommand,
-  const char* makeProgram,
+  const std::string& makeProgram,
   const std::string& projectName,
   const std::string& projectDir,
   const std::string& targetName,

Source/cmGlobalVisualStudio10Generator.h

@@ -35,7 +35,7 @@ public:
 
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName,
     const std::string& projectDir,
     const std::string& targetName,

Source/cmGlobalVisualStudio6Generator.cxx

@@ -116,7 +116,7 @@ std::string cmGlobalVisualStudio6Generator::FindMSDevCommand()
 void
 cmGlobalVisualStudio6Generator::GenerateBuildCommand(
   std::vector<std::string>& makeCommand,
-  const char* makeProgram,
+  const std::string& makeProgram,
   const std::string& projectName,
   const std::string& /*projectDir*/,
   const std::string& targetName,

Source/cmGlobalVisualStudio6Generator.h

@@ -54,7 +54,7 @@ public:
    */
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName,
     const std::string& projectDir,
     const std::string& targetName,

Source/cmGlobalVisualStudio7Generator.cxx

@@ -186,7 +186,7 @@ const char* cmGlobalVisualStudio7Generator::ExternalProjectType(
 //----------------------------------------------------------------------------
 void cmGlobalVisualStudio7Generator::GenerateBuildCommand(
   std::vector<std::string>& makeCommand,
-  const char* makeProgram,
+  const std::string& makeProgram,
   const std::string& projectName,
   const std::string& /*projectDir*/,
   const std::string& targetName,

Source/cmGlobalVisualStudio7Generator.h

@@ -62,7 +62,7 @@ public:
    */
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName,
     const std::string& projectDir,
     const std::string& targetName,

Source/cmGlobalXCodeGenerator.cxx

@@ -261,7 +261,7 @@ void cmGlobalXCodeGenerator::EnableLanguage(std::vector<std::string>const&
 void
 cmGlobalXCodeGenerator::GenerateBuildCommand(
   std::vector<std::string>& makeCommand,
-  const char* makeProgram,
+  const std::string& makeProgram,
   const std::string& projectName,
   const std::string& /*projectDir*/,
   const std::string& targetName,

Source/cmGlobalXCodeGenerator.h

@@ -55,7 +55,7 @@ public:
    */
   virtual void GenerateBuildCommand(
     std::vector<std::string>& makeCommand,
-    const char* makeProgram,
+    const std::string& makeProgram,
     const std::string& projectName,
     const std::string& projectDir,
     const std::string& targetName,

Source/cmake.cxx

@@ -2672,7 +2672,7 @@ int cmake::Build(const std::string& dir,
   return gen->Build("", dir.c_str(),
                     projName.c_str(), target.c_str(),
                     &output,
-                    0,
+                    "",
                     config.c_str(), clean, false, 0,
                     cmSystemTools::OUTPUT_PASSTHROUGH,
                     nativeOptions);