ENH: first pass at cache, clean up the unix generator, clean up configure.in some

1 files changed, 17 insertions, 2 deletions

diff --git a/Source/CMakeBuildTargets.cxx b/Source/CMakeBuildTargets.cxx
index 876708e..243cac0 100644
--- a/Source/CMakeBuildTargets.cxx
+++ b/Source/CMakeBuildTargets.cxx
@@ -17,14 +17,27 @@
 #include "cmStandardIncludes.h"
 #include "cmMakeDepend.h"
 #include "cmUnixMakefileGenerator.h"
+#include "cmCacheManager.h"
 
+void Usage(const char* program)
+{
+  std::cerr << "Usage: " << program << " CMakeLists.txt " 
+            << "-Ssource_start_directory "
+            << "-Ooutput_start_directory "
+            << "-Hsource_home_directory "
+            << "-Boutput_home_directory\n"
+            << "Where start directories are the current place in the tree,"
+    "and the home directories are the top.\n";
+}
+
+  
 // This is the main program used to gentrate makefile fragments 
 // from CMakeLists.txt input files.   
 int main(int ac, char** av)
 {
   if(ac < 2)
     {
-    std::cerr << "Usage: " << av[0] << " Makefile.in  -Ipath ..." << std::endl;
+    Usage(av[0]);
     return -1;
     }
   // Create a makefile
@@ -66,10 +79,12 @@ int main(int ac, char** av)
 
   // Read and parse the input makefile
   mf.MakeStartDirectoriesCurrent();
+  cmCacheManager::GetInstance()->LoadCache(&mf);
   if(!mf.ReadListFile(av[1]))
     {
-    std::cerr << "Usage: " << av[0] << " Makefile.in  -Ipath ..." << std::endl;
+    Usage(av[0]);
     return -1;
     }
   mf.GenerateMakefile();
+  cmCacheManager::GetInstance()->SaveCache(&mf);
 }