Make subclasses responsible for joining content.

This way we can add handling of relative/absolute paths and of
-D in compile definitions.

Source/cmTargetCompileDefinitionsCommand.cxx

@@ -37,9 +37,32 @@ void cmTargetCompileDefinitionsCommand
   this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
 }
 
+//----------------------------------------------------------------------------
+std::string cmTargetCompileDefinitionsCommand
+::Join(const std::vector<std::string> &content)
+{
+  std::string defs;
+  std::string sep;
+  for(std::vector<std::string>::const_iterator it = content.begin();
+    it != content.end(); ++it)
+    {
+    if (strncmp(it->c_str(), "-D", 2) == 0)
+      {
+      defs += sep + it->substr(2);
+      }
+    else
+      {
+      defs += sep + *it;
+      }
+    sep = ";";
+    }
+  return defs;
+}
+
+//----------------------------------------------------------------------------
 void cmTargetCompileDefinitionsCommand
-::HandleDirectContent(cmTarget *tgt, const std::string &content,
+::HandleDirectContent(cmTarget *tgt, const std::vector<std::string> &content,
                                    bool)
 {
-  tgt->AppendProperty("COMPILE_DEFINITIONS", content.c_str());
+  tgt->AppendProperty("COMPILE_DEFINITIONS", this->Join(content).c_str());
 }

Source/cmTargetCompileDefinitionsCommand.h

@@ -81,8 +81,10 @@ private:
   virtual void HandleImportedTarget(const std::string &tgt);
   virtual void HandleMissingTarget(const std::string &name);
 
-  virtual void HandleDirectContent(cmTarget *tgt, const std::string &content,
+  virtual void HandleDirectContent(cmTarget *tgt,
+                                   const std::vector<std::string> &content,
                                    bool prepend);
+  virtual std::string Join(const std::vector<std::string> &content);
 };
 
 #endif

Source/cmTargetIncludeDirectoriesCommand.cxx

@@ -40,13 +40,45 @@ void cmTargetIncludeDirectoriesCommand
   this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
 }
 
+//----------------------------------------------------------------------------
+static bool isGeneratorExpression(const std::string &lib)
+{
+  const std::string::size_type openpos = lib.find("$<");
+  return (openpos != std::string::npos)
+      && (lib.find(">", openpos) != std::string::npos);
+}
+
+//----------------------------------------------------------------------------
+std::string cmTargetIncludeDirectoriesCommand
+::Join(const std::vector<std::string> &content)
+{
+  std::string dirs;
+  std::string sep;
+  std::string prefix = this->Makefile->GetStartDirectory() + std::string("/");
+  for(std::vector<std::string>::const_iterator it = content.begin();
+    it != content.end(); ++it)
+    {
+    if (cmSystemTools::FileIsFullPath(it->c_str())
+        || isGeneratorExpression(*it))
+      {
+      dirs += sep + *it;
+      }
+    else
+      {
+      dirs += sep + prefix + *it;
+      }
+    sep = ";";
+    }
+  return dirs;
+}
+
 //----------------------------------------------------------------------------
 void cmTargetIncludeDirectoriesCommand
-::HandleDirectContent(cmTarget *tgt, const std::string &content,
+::HandleDirectContent(cmTarget *tgt, const std::vector<std::string> &content,
                       bool prepend)
 {
   cmListFileBacktrace lfbt;
   this->Makefile->GetBacktrace(lfbt);
-  cmMakefileIncludeDirectoriesEntry entry(content, lfbt);
+  cmMakefileIncludeDirectoriesEntry entry(this->Join(content), lfbt);
   tgt->InsertInclude(entry, prepend);
 }

Source/cmTargetIncludeDirectoriesCommand.h

@@ -85,8 +85,10 @@ private:
   virtual void HandleImportedTarget(const std::string &tgt);
   virtual void HandleMissingTarget(const std::string &name);
 
-  virtual void HandleDirectContent(cmTarget *tgt, const std::string &content,
+  virtual void HandleDirectContent(cmTarget *tgt,
+                                   const std::vector<std::string> &content,
                                    bool prepend);
+  virtual std::string Join(const std::vector<std::string> &content);
 };
 
 #endif

Source/cmTargetPropCommandBase.cxx

@@ -88,9 +88,8 @@ bool cmTargetPropCommandBase
 
   ++argIndex;
 
-  std::string content;
+  std::vector<std::string> content;
 
-  std::string sep;
   for(unsigned int i=argIndex; i < args.size(); ++i, ++argIndex)
     {
     if(args[i] == "PUBLIC"
@@ -100,8 +99,7 @@ bool cmTargetPropCommandBase
       this->PopulateTargetProperies(scope, content, prepend);
       return true;
       }
-    content += sep + args[i];
-    sep = ";";
+    content.push_back(args[i]);
     }
   this->PopulateTargetProperies(scope, content, prepend);
   return true;
@@ -110,7 +108,8 @@ bool cmTargetPropCommandBase
 //----------------------------------------------------------------------------
 void cmTargetPropCommandBase
 ::PopulateTargetProperies(const std::string &scope,
-                          const std::string &content, bool prepend)
+                          const std::vector<std::string> &content,
+                          bool prepend)
 {
   if (scope == "PRIVATE" || scope == "PUBLIC")
     {
@@ -122,7 +121,7 @@ void cmTargetPropCommandBase
       {
       const std::string propName = std::string("INTERFACE_") + this->Property;
       const char *propValue = this->Target->GetProperty(propName.c_str());
-      const std::string totalContent = content + (propValue
+      const std::string totalContent = this->Join(content) + (propValue
                                                 ? std::string(";") + propValue
                                                 : std::string());
       this->Target->SetProperty(propName.c_str(), totalContent.c_str());
@@ -130,7 +129,7 @@ void cmTargetPropCommandBase
     else
       {
       this->Target->AppendProperty(("INTERFACE_" + this->Property).c_str(),
-                            content.c_str());
+                                   this->Join(content).c_str());
       }
     }
 }

Source/cmTargetPropCommandBase.h

@@ -33,22 +33,22 @@ public:
 
 protected:
   std::string Property;
+  cmTarget *Target;
 
 private:
   virtual void HandleImportedTarget(const std::string &tgt) = 0;
   virtual void HandleMissingTarget(const std::string &name) = 0;
 
   virtual void HandleDirectContent(cmTarget *tgt,
-                                   const std::string &content,
+                                   const std::vector<std::string> &content,
                                    bool prepend) = 0;
+  virtual std::string Join(const std::vector<std::string> &content) = 0;
 
   bool ProcessContentArgs(std::vector<std::string> const& args,
                           unsigned int &argIndex, bool prepend);
   void PopulateTargetProperies(const std::string &scope,
-                               const std::string &content, bool prepend);
-
-private:
-  cmTarget *Target;
+                               const std::vector<std::string> &content,
+                               bool prepend);
 };
 
 #endif

Tests/CMakeCommands/target_compile_definitions/CMakeLists.txt

@@ -20,4 +20,5 @@ target_compile_definitions(consumer
   PRIVATE $<TARGET_PROPERTY:target_compile_definitions,INTERFACE_COMPILE_DEFINITIONS>
   $<$<TARGET_DEFINED:notdefined>:SHOULD_NOT_BE_DEFINED>
   $<$<TARGET_DEFINED:target_compile_definitions>:SHOULD_BE_DEFINED>
+  -DDASH_D_DEFINE
 )

Tests/CMakeCommands/target_compile_definitions/consumer.cpp

@@ -19,4 +19,8 @@
 #error Expected SHOULD_BE_DEFINED
 #endif
 
+#ifndef DASH_D_DEFINE
+#error Expected DASH_D_DEFINE
+#endif
+
 int main() { return 0; }

Tests/CMakeCommands/target_include_directories/CMakeLists.txt

@@ -44,4 +44,5 @@ add_executable(consumer
 
 target_include_directories(consumer
   PRIVATE $<TARGET_PROPERTY:target_include_directories,INTERFACE_INCLUDE_DIRECTORIES>
+  relative_dir
 )

Tests/CMakeCommands/target_include_directories/consumer.cpp

@@ -2,6 +2,7 @@
 #include "common.h"
 #include "publicinclude.h"
 #include "interfaceinclude.h"
+#include "relative_dir.h"
 
 #ifdef PRIVATEINCLUDE_DEFINE
 #error Unexpected PRIVATEINCLUDE_DEFINE
@@ -19,4 +20,8 @@
 #error Expected CURE_DEFINE
 #endif
 
+#ifndef RELATIVE_DIR_DEFINE
+#error Expected RELATIVE_DIR_DEFINE
+#endif
+
 int main() { return 0; }

Tests/CMakeCommands/target_include_directories/relative_dir/relative_dir.h

@@ -0,0 +1,2 @@
+
+#define RELATIVE_DIR_DEFINE