GHS: Implement link flags and dirs for non-target groups (#16029)

Modules/Compiler/GHS.cmake

@@ -4,3 +4,5 @@ endif()
 set(__COMPILER_GHS 1)
 
 set(CMAKE_EXECUTABLE_SUFFIX ".as")
+set(CMAKE_LIBRARY_PATH_TERMINATOR "\n")
+set(CMAKE_LIBRARY_PATH_FLAG "  -L")

Source/cmGhsMultiTargetGenerator.cxx

@@ -149,7 +149,7 @@ void cmGhsMultiTargetGenerator::Generate()
     this->WriteIncludes(config, language);
     if (this->GeneratorTarget->GetType() == cmState::EXECUTABLE)
       {
-      this->WriteTargetLinkLibraries();
+      this->WriteTargetLinkLibraries(config, language);
       }
     this->WriteCustomCommands();
 
@@ -365,7 +365,8 @@ void cmGhsMultiTargetGenerator::WriteIncludes(const std::string &config,
     }
 }
 
-void cmGhsMultiTargetGenerator::WriteTargetLinkLibraries()
+void cmGhsMultiTargetGenerator::WriteTargetLinkLibraries(
+  std::string const& config, std::string const& language)
 {
   // library directories
   cmTargetDependSet tds =
@@ -393,6 +394,35 @@ void cmGhsMultiTargetGenerator::WriteTargetLinkLibraries()
     *this->GetFolderBuildStreams() << "    -l\"" << libName << "\""
                                    << std::endl;
     }
+
+  if (!this->TargetGroup)
+    {
+    std::string linkLibraries;
+    std::string flags;
+    std::string linkFlags;
+    std::string frameworkPath;
+    std::string linkPath;
+    std::string createRule =
+        this->GeneratorTarget->GetCreateRuleVariable(language, config);
+    bool useWatcomQuote =
+        this->Makefile->IsOn(createRule + "_USE_WATCOM_QUOTE");
+    this->LocalGenerator->GetTargetFlags(
+      linkLibraries, flags, linkFlags,
+      frameworkPath, linkPath,
+      this->GeneratorTarget, useWatcomQuote);
+    linkFlags = cmSystemTools::TrimWhitespace(linkFlags);
+
+    if (!linkPath.empty())
+      {
+      linkPath = " " + linkPath.substr(0U, linkPath.size() - 1U);
+      *this->GetFolderBuildStreams() << linkPath;
+      }
+
+    if (!linkFlags.empty())
+      {
+      *this->GetFolderBuildStreams() << "    " << linkFlags << std::endl;
+      }
+    }
 }
 
 void cmGhsMultiTargetGenerator::WriteCustomCommands()

Source/cmGhsMultiTargetGenerator.h

@@ -81,7 +81,8 @@ private:
                          std::string const &config);
 
   void WriteIncludes(const std::string &config, const std::string &language);
-  void WriteTargetLinkLibraries();
+  void WriteTargetLinkLibraries(std::string const& config,
+                                std::string const& language);
   void WriteCustomCommands();
   void
   WriteCustomCommandsHelper(std::vector<cmCustomCommand> const &commandsSet,