From c9f1af3913eb9aa8fdc7d374bf38bac59a6bbf59 Mon Sep 17 00:00:00 2001
From: Alexander Neundorf <neundorf@kde.org>
Date: Wed, 6 Jun 2007 08:49:18 -0400
Subject: [PATCH] ENH: add IF(IS_ABSOLUTE path), so no regex matching is
 required in the cmake scripts

Alex
---
 Source/cmIfCommand.cxx | 16 ++++++++++++++++
 Source/cmIfCommand.h   |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/Source/cmIfCommand.cxx b/Source/cmIfCommand.cxx
index 8faab58a9..cdcf79d1c 100644
--- a/Source/cmIfCommand.cxx
+++ b/Source/cmIfCommand.cxx
@@ -287,6 +287,22 @@ bool cmIfCommand::IsTrue(const std::vector<std::string> &args,
         IncrementArguments(newArgs,argP1,argP2);
         reducible = 1;
         }
+      // is the given path an absolute path ?
+      if (*arg == "IS_ABSOLUTE" && argP1  != newArgs.end())
+        {
+        if(cmSystemTools::FileIsFullPath((argP1)->c_str()))
+          {
+          *arg = "1";
+          }
+        else 
+          {
+          *arg = "0";
+          }
+        newArgs.erase(argP1);
+        argP1 = arg;
+        IncrementArguments(newArgs,argP1,argP2);
+        reducible = 1;
+        }
       // does a command exist
       if (*arg == "COMMAND" && argP1  != newArgs.end())
         {
diff --git a/Source/cmIfCommand.h b/Source/cmIfCommand.h
index 1a892276d..6b855a29c 100644
--- a/Source/cmIfCommand.h
+++ b/Source/cmIfCommand.h
@@ -143,6 +143,8 @@ public:
       "  IF(IS_DIRECTORY directory-name)\n"
       "True if the given name is a directory.  "
       "Behavior is well-defined only for full paths.\n"
+      "  IF(IS_ABSOLUTE path)\n"
+      "True if the given path is an absolute path.\n "
       "  IF(variable MATCHES regex)\n"
       "  IF(string MATCHES regex)\n"
       "True if the given string or variable's value matches the given "