From 30e685b41f9dc18bfdde373b9265bebaafb0b9d9 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 3 Nov 2004 08:59:13 -0500
Subject: [PATCH] ENH: Removed unneeded requires rules now that canonical names
 are available.

---
 Source/cmLocalUnixMakefileGenerator2.cxx | 34 ++++--------------------
 Source/cmLocalUnixMakefileGenerator2.h   |  2 --
 2 files changed, 5 insertions(+), 31 deletions(-)

diff --git a/Source/cmLocalUnixMakefileGenerator2.cxx b/Source/cmLocalUnixMakefileGenerator2.cxx
index 131a6e322..7e772b985 100644
--- a/Source/cmLocalUnixMakefileGenerator2.cxx
+++ b/Source/cmLocalUnixMakefileGenerator2.cxx
@@ -974,13 +974,15 @@ cmLocalUnixMakefileGenerator2
 
   // Special target to cleanup operation of make tool.
   std::vector<std::string> depends;
-  depends.push_back(".hpux_make_must_have_this_dependency_here");
   this->WriteMakeRule(makefileStream,
-                      "Disable some common implicit rules to speed things up.",
+                      "Disable implicit rules so canoncical targets will work.",
                       0,
                       ".SUFFIXES",
                       depends,
                       no_commands);
+  depends.push_back(".hpux_make_must_have_suffixes_list");
+  this->WriteMakeRule(makefileStream, 0, 0,
+                      ".SUFFIXES", depends, no_commands);
 }
 
 //----------------------------------------------------------------------------
@@ -1048,7 +1050,7 @@ cmLocalUnixMakefileGenerator2
       {
       if(t->second.IsInAll())
         {
-        depends.push_back(t->first+".requires");
+        depends.push_back(t->first);
         }
       }
     }
@@ -1219,25 +1221,6 @@ cmLocalUnixMakefileGenerator2
                       tgt.c_str(), depends, commands);
 }
 
-//----------------------------------------------------------------------------
-void
-cmLocalUnixMakefileGenerator2
-::WriteRequiresRule(std::ostream& ruleFileStream, const cmTarget& target,
-                    const char* targetFullPath)
-{
-  // TODO: Avoid using requires target except when needed for
-  // Fortran/Java dependencies.
-  std::vector<std::string> depends;
-  std::vector<std::string> no_commands;
-  std::string reqComment = "Requirements for target ";
-  reqComment += target.GetName();
-  std::string reqTarget = target.GetName();
-  reqTarget += ".requires";
-  depends.push_back(targetFullPath);
-  this->WriteMakeRule(ruleFileStream, reqComment.c_str(), 0,
-                      reqTarget.c_str(), depends, no_commands);
-}
-
 //----------------------------------------------------------------------------
 void
 cmLocalUnixMakefileGenerator2
@@ -1448,9 +1431,6 @@ cmLocalUnixMakefileGenerator2
 
   // Write convenience targets.
   this->WriteConvenienceRules(ruleFileStream, target, targetFullPath.c_str());
-
-  // Write driver rule for this target.
-  this->WriteRequiresRule(ruleFileStream, target, targetFullPath.c_str());
 }
 
 //----------------------------------------------------------------------------
@@ -1702,9 +1682,6 @@ cmLocalUnixMakefileGenerator2
 
   // Write convenience targets.
   this->WriteConvenienceRules(ruleFileStream, target, targetFullPath.c_str());
-
-  // Write driver rule for this target.
-  this->WriteRequiresRule(ruleFileStream, target, targetFullPath.c_str());
 }
 
 //----------------------------------------------------------------------------
@@ -2087,7 +2064,6 @@ cmLocalUnixMakefileGenerator2
     dep += ".depends";
     dep = this->ConvertToRelativeOutputPath(dep.c_str());
     std::string tgt = jump->first;
-    tgt += ".requires";
     tgt = this->ConvertToRelativeOutputPath(tgt.c_str());
 
     // Build the jump-and-build command list.
diff --git a/Source/cmLocalUnixMakefileGenerator2.h b/Source/cmLocalUnixMakefileGenerator2.h
index c2381550e..3c62a2fbe 100644
--- a/Source/cmLocalUnixMakefileGenerator2.h
+++ b/Source/cmLocalUnixMakefileGenerator2.h
@@ -87,8 +87,6 @@ protected:
                        const char* subdir, std::string& last);
   void WriteSubdirDriverRule(std::ostream& makefileStream, const char* pass,
                              const char* order, const std::string& last);
-  void WriteRequiresRule(std::ostream& ruleFileStream, const cmTarget& target,
-                         const char* targetFullPath);
   void WriteConvenienceRules(std::ostream& ruleFileStream,
                              const cmTarget& target,
                              const char* targetFullPath);