ENH: Made cmMakefileTargetGenerator::GlobalGenerator have full type cmGlobalUnixMakefileGenerator3 to give access to all methods. Fixed broken custom targets with no commands for Borland makefiles when CMAKE_SKIP_RULE_DEPENDENCY is set.

1 files changed, 12 insertions, 1 deletions

diff --git a/Source/cmMakefileUtilityTargetGenerator.cxx b/Source/cmMakefileUtilityTargetGenerator.cxx
index 51a848feec..6ab18631fd 100644
--- a/Source/cmMakefileUtilityTargetGenerator.cxx
+++ b/Source/cmMakefileUtilityTargetGenerator.cxx
@@ -17,7 +17,7 @@
 #include "cmMakefileUtilityTargetGenerator.h"
 
 #include "cmGeneratedFileStream.h"
-#include "cmGlobalGenerator.h"
+#include "cmGlobalUnixMakefileGenerator3.h"
 #include "cmLocalUnixMakefileGenerator3.h"
 #include "cmMakefile.h"
 #include "cmSourceFile.h"
@@ -58,6 +58,17 @@ void cmMakefileUtilityTargetGenerator::WriteRuleFiles()
   objTarget += this->BuildFileName;
   this->LocalGenerator->AppendRuleDepend(depends, objTarget.c_str());
 
+  // If the rule is empty add the special empty rule dependency needed
+  // by some make tools.
+  if(depends.empty() && commands.empty())
+    {
+    std::string hack = this->GlobalGenerator->GetEmptyRuleHackDepends();
+    if(!hack.empty())
+      {
+      depends.push_back(hack);
+      }
+    }
+
   // Write the rule.
   this->LocalGenerator->WriteMakeRule(*this->BuildFileStream, 0,
                                       this->Target->GetName(),