1. preprocessor doesn't touch unchanged files anymore

2. doublechedk on whether file is up to date when making
3. changed the way preprocessor targets depend on the timestamp file
4. a bugfix in strip_suffix/strip_prefix

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/file_factory.cc b/lib/file_factory.cc
index c6b5748..7ca7b86 100644
--- a/lib/file_factory.cc
+++ b/lib/file_factory.cc
@@ -18,38 +18,39 @@ namespace sitecing {
         struct stat stdst;
         if(stat(dst.c_str(),&stdst))
             return false;
         for(file_list_t::const_iterator i=fl->begin();i!=fl->end();i++) {
             struct stat stdep;
             if(stat(i->c_str(),&stdep))
                 return false;
             if(stdst.st_mtime<stdep.st_mtime)
                 return false;
             if(!is_uptodate(*i))
                 return false;
         }
         return true;
     }
 
     void file_factory::make(const string& dst) {
         try {
             depth++;
             if(depth>25)
                 throw konforka::exception(CODEPOINT,"recursed too deeply.");
             file_list_t deps;
             if(!is_uptodate(dst,&deps)) {
                 for(file_list_t::const_iterator i=deps.begin();i!=deps.end();i++)
                     make(*i);
-                build(dst);
+                if(!is_uptodate(dst,&deps))
+                    build(dst);
             }
             depth--;
         }catch(konforka::exception& ke) {
             depth--;
             ke.see(CODEPOINT);
             throw;
         }catch(...) {
             depth--;
             throw;
         }
     }
 
 }