install: Allow generator expressions in DIRECTORY DESTINATION

2 files changed, 57 insertions, 1 deletions

diff --git a/Source/cmInstallDirectoryGenerator.cxx b/Source/cmInstallDirectoryGenerator.cxx
index 7593380..78cb5f0 100644
--- a/Source/cmInstallDirectoryGenerator.cxx
+++ b/Source/cmInstallDirectoryGenerator.cxx
@@ -12,6 +12,8 @@
 #include "cmInstallDirectoryGenerator.h"
 
 #include "cmTarget.h"
+#include "cmGeneratorExpression.h"
+#include "cmLocalGenerator.h"
 
 //----------------------------------------------------------------------------
 cmInstallDirectoryGenerator
@@ -25,10 +27,16 @@ cmInstallDirectoryGenerator
                               const char* literal_args,
                               bool optional):
   cmInstallGenerator(dest, configurations, component, message),
+  LocalGenerator(0),
   Directories(dirs),
   FilePermissions(file_permissions), DirPermissions(dir_permissions),
   LiteralArguments(literal_args), Optional(optional)
 {
+  // We need per-config actions if destination have generator expressions.
+  if(cmGeneratorExpression::Find(Destination) != std::string::npos)
+    {
+    this->ActionsPerConfig = true;
+    }
 }
 
 //----------------------------------------------------------------------------
@@ -37,15 +45,43 @@ cmInstallDirectoryGenerator
 {
 }
 
+void cmInstallDirectoryGenerator::Compute(cmLocalGenerator* lg)
+{
+  LocalGenerator = lg;
+}
+
 //----------------------------------------------------------------------------
 void
 cmInstallDirectoryGenerator::GenerateScriptActions(std::ostream& os,
                                                    Indent const& indent)
 {
+  if(this->ActionsPerConfig)
+    {
+    this->cmInstallGenerator::GenerateScriptActions(os, indent);
+    }
+  else
+    {
+    this->AddDirectoryInstallRule(os, "", indent);
+    }
+}
+
+void cmInstallDirectoryGenerator::GenerateScriptForConfig(
+  std::ostream& os,
+  const std::string& config,
+  Indent const& indent)
+{
+  this->AddDirectoryInstallRule(os, config, indent);
+}
+
+void cmInstallDirectoryGenerator::AddDirectoryInstallRule(
+  std::ostream& os,
+  const std::string& config,
+  Indent const& indent)
+{
   // Write code to install the directories.
   const char* no_rename = 0;
   this->AddInstallRule(os,
-                       this->Destination,
+                       this->GetDestination(config),
                        cmInstallType_DIRECTORY,
                        this->Directories,
                        this->Optional,
@@ -54,3 +90,12 @@ cmInstallDirectoryGenerator::GenerateScriptActions(std::ostream& os,
                        no_rename, this->LiteralArguments.c_str(),
                        indent);
 }
+
+//----------------------------------------------------------------------------
+std::string
+cmInstallDirectoryGenerator::GetDestination(std::string const& config) const
+{
+  cmGeneratorExpression ge;
+  return ge.Parse(this->Destination)
+    ->Evaluate(this->LocalGenerator->GetMakefile(), config);
+}
diff --git a/Source/cmInstallDirectoryGenerator.h b/Source/cmInstallDirectoryGenerator.h
index 165ab91..04107e1 100644
--- a/Source/cmInstallDirectoryGenerator.h
+++ b/Source/cmInstallDirectoryGenerator.h
@@ -31,8 +31,19 @@ public:
                               bool optional = false);
   virtual ~cmInstallDirectoryGenerator();
 
+  void Compute(cmLocalGenerator* lg);
+
+  std::string GetDestination(std::string const& config) const;
+
 protected:
   virtual void GenerateScriptActions(std::ostream& os, Indent const& indent);
+  virtual void GenerateScriptForConfig(std::ostream& os,
+                                       const std::string& config,
+                                       Indent const& indent);
+  void AddDirectoryInstallRule(std::ostream& os,
+                               const std::string& config,
+                               Indent const& indent);
+  cmLocalGenerator* LocalGenerator;
   std::vector<std::string> Directories;
   std::string FilePermissions;
   std::string DirPermissions;