From 5698ad2047002529ff095fb9be2eb5c1d2f7a485 Mon Sep 17 00:00:00 2001
From: Alex Neundorf <neundorf@kde.org>
Date: Sat, 5 Feb 2011 18:43:34 +0100
Subject: Make it possible to exlude external libs from dot files

Patch from Christian Ehrlicher.
By setting GRAPHVIZ_EXTERNAL_LIBS to TRUE in CMakeGraphVizOptions.cmake
you can now exclude external libraries from the produced dot file.
I.e. then you see only the dependencies within your project.

Alex
---
 Source/cmGraphVizWriter.cxx | 9 +++++++--
 Source/cmGraphVizWriter.h   | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Source/cmGraphVizWriter.cxx b/Source/cmGraphVizWriter.cxx
index de95aa5..5a08ca6 100644
--- a/Source/cmGraphVizWriter.cxx
+++ b/Source/cmGraphVizWriter.cxx
@@ -54,6 +54,7 @@ cmGraphVizWriter::cmGraphVizWriter(const std::vector<cmLocalGenerator*>&
 ,GenerateForStaticLibs(true)
 ,GenerateForSharedLibs(true)
 ,GenerateForModuleLibs(true)
+,GenerateForExternals(true)
 ,LocalGenerators(localGenerators)
 ,HaveTargetsAndLibs(false)
 {
@@ -115,7 +116,8 @@ void cmGraphVizWriter::ReadSettings(const char* settingsFileName,
   __set_bool_if_set(this->GenerateForExecutables, "GRAPHVIZ_EXECUTABLES");
   __set_bool_if_set(this->GenerateForStaticLibs, "GRAPHVIZ_STATIC_LIBS");
   __set_bool_if_set(this->GenerateForSharedLibs, "GRAPHVIZ_SHARED_LIBS");
-  __set_bool_if_set(this->GenerateForModuleLibs , "GRAPHVIZ_MODULE_LIBS");
+  __set_bool_if_set(this->GenerateForModuleLibs, "GRAPHVIZ_MODULE_LIBS");
+  __set_bool_if_set(this->GenerateForExternals, "GRAPHVIZ_EXTERNAL_LIBS");
 
   cmStdString tmpRegexString;
   __set_if_set(tmpRegexString, "GRAPHVIZ_TARGET_IGNORE_REGEX");
@@ -321,7 +323,10 @@ void cmGraphVizWriter::CollectTargetsAndLibs()
     {
     this->HaveTargetsAndLibs = true;
     int cnt = this->CollectAllTargets();
-    this->CollectAllExternalLibs(cnt);
+    if (this->GenerateForExternals)
+      {
+      this->CollectAllExternalLibs(cnt);
+      }
     }
 }
 
diff --git a/Source/cmGraphVizWriter.h b/Source/cmGraphVizWriter.h
index 105eb96..cfe4e36 100644
--- a/Source/cmGraphVizWriter.h
+++ b/Source/cmGraphVizWriter.h
@@ -67,6 +67,7 @@ protected:
   bool GenerateForStaticLibs;
   bool GenerateForSharedLibs;
   bool GenerateForModuleLibs;
+  bool GenerateForExternals;
 
   cmsys::RegularExpression TargetIgnoreRegex;
 
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