cmLocalGenerator: Clarify local variable name in GetTargetFlags

Source/cmLocalGenerator.cxx

@@ -1351,13 +1351,13 @@ void cmLocalGenerator::GetTargetFlags(
   std::vector<BT<std::string>>& linkFlags, std::string& frameworkPath,
   std::vector<BT<std::string>>& linkPath, cmGeneratorTarget* target)
 {
-  const std::string buildType = cmSystemTools::UpperCase(config);
+  const std::string configUpper = cmSystemTools::UpperCase(config);
   cmComputeLinkInformation* pcli = target->GetLinkInformation(config);
   const char* libraryLinkVariable =
     "CMAKE_SHARED_LINKER_FLAGS"; // default to shared library
 
   const std::string linkLanguage =
-    linkLineComputer->GetLinkerLanguage(target, buildType);
+    linkLineComputer->GetLinkerLanguage(target, configUpper);
 
   switch (target->GetType()) {
     case cmStateEnums::STATIC_LIBRARY:
@@ -1377,8 +1377,8 @@ void cmLocalGenerator::GetTargetFlags(
       if (linkLanguage != "Swift") {
         sharedLibFlags = cmStrCat(
           this->Makefile->GetSafeDefinition(libraryLinkVariable), ' ');
-        if (!buildType.empty()) {
-          std::string build = cmStrCat(libraryLinkVariable, '_', buildType);
+        if (!configUpper.empty()) {
+          std::string build = cmStrCat(libraryLinkVariable, '_', configUpper);
           sharedLibFlags += this->Makefile->GetSafeDefinition(build);
           sharedLibFlags += " ";
         }
@@ -1386,7 +1386,7 @@ void cmLocalGenerator::GetTargetFlags(
             !(this->Makefile->IsOn("CYGWIN") ||
               this->Makefile->IsOn("MINGW"))) {
           std::vector<cmSourceFile*> sources;
-          target->GetSourceFiles(sources, buildType);
+          target->GetSourceFiles(sources, configUpper);
           std::string defFlag =
             this->Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
           for (cmSourceFile* sf : sources) {
@@ -1405,9 +1405,9 @@ void cmLocalGenerator::GetTargetFlags(
         sharedLibFlags += targetLinkFlags;
         sharedLibFlags += " ";
       }
-      if (!buildType.empty()) {
+      if (!configUpper.empty()) {
         targetLinkFlags =
-          target->GetProperty(cmStrCat("LINK_FLAGS_", buildType));
+          target->GetProperty(cmStrCat("LINK_FLAGS_", configUpper));
         if (targetLinkFlags) {
           sharedLibFlags += targetLinkFlags;
           sharedLibFlags += " ";
@@ -1432,9 +1432,9 @@ void cmLocalGenerator::GetTargetFlags(
       if (linkLanguage != "Swift") {
         exeFlags = this->Makefile->GetSafeDefinition("CMAKE_EXE_LINKER_FLAGS");
         exeFlags += " ";
-        if (!buildType.empty()) {
+        if (!configUpper.empty()) {
           exeFlags += this->Makefile->GetSafeDefinition(
-            cmStrCat("CMAKE_EXE_LINKER_FLAGS_", buildType));
+            cmStrCat("CMAKE_EXE_LINKER_FLAGS_", configUpper));
           exeFlags += " ";
         }
         if (linkLanguage.empty()) {
@@ -1461,7 +1461,8 @@ void cmLocalGenerator::GetTargetFlags(
         }
       }
 
-      this->AddLanguageFlagsForLinking(flags, target, linkLanguage, buildType);
+      this->AddLanguageFlagsForLinking(flags, target, linkLanguage,
+                                       configUpper);
       if (pcli) {
         this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs,
                                   frameworkPath, linkPath);
@@ -1486,9 +1487,9 @@ void cmLocalGenerator::GetTargetFlags(
         exeFlags += targetLinkFlags;
         exeFlags += " ";
       }
-      if (!buildType.empty()) {
+      if (!configUpper.empty()) {
         targetLinkFlags =
-          target->GetProperty(cmStrCat("LINK_FLAGS_", buildType));
+          target->GetProperty(cmStrCat("LINK_FLAGS_", configUpper));
         if (targetLinkFlags) {
           exeFlags += targetLinkFlags;
           exeFlags += " ";