1 files changed, 14 insertions, 7 deletions

diff --git a/lib/component_factory.cc b/lib/component_factory.cc
index f8666dc..b8f5a16 100644
--- a/lib/component_factory.cc
+++ b/lib/component_factory.cc
@@ -16,13 +16,13 @@
  #include "sitecing/sitecing_parser.h"
  #include "sitecing/sitecing_exception.h"
 #endif
  
 namespace sitecing {
 
-    static const char *pp_targets[] = { ".cc", ".h", ".imports", ".classname", ".baseclassname", ".ancestors" };
+    static const char *pp_targets[] = { ".cc", ".h", ".imports", ".classname", ".baseclassname", ".ancestors", ".pp_stamp" };
     static const char *cc_targets[] = { ".o", ".d" };
 
     component_factory::component_factory(configuration& c)
         : config(c),
     root_source(normalize_path(c.root_source,strip_trailing_slash)+'/'),
     root_intermediate(normalize_path(c.root_intermediate,strip_trailing_slash)+'/'),
@@ -113,21 +113,26 @@ namespace sitecing {
     }
 
     bool component_factory::is_uptodate(const string& dst,file_list_t *deps) {
         string dp = normalize_path(dst,strip_trailing_slash);
         // XXX: or just compare it off, instead of throwing things around.
         try {
-            strip_prefix(dp,root_intermediate);
-            return file_factory::is_uptodate(dst,deps);
-        }catch(utility_no_prefix& unp) {
-        }
+            string noro = strip_prefix(dp,root_intermediate);
+            for(int ppt=0;(ppt+1)<sizeof(pp_targets)/sizeof(*pp_targets);ppt++) {
+                try {
+                    string nos = strip_suffix(noro,pp_targets[ppt]);
+                    return file_factory::is_uptodate(root_intermediate+nos+".pp_stamp",deps);
+                }catch(utility_no_suffix& uns) { }
+            }
+            bool rv =  file_factory::is_uptodate(dst,deps);
+            return rv;
+        }catch(utility_no_prefix& unp) { }
         try {
             strip_prefix(dp,root_so);
             return file_factory::is_uptodate(dst,deps);
-        }catch(utility_no_prefix& unp) {
-        }
+        }catch(utility_no_prefix& unp) { }
         return true;
     }
 
     void component_factory::build(const string& dst) {
         string dp = normalize_path(dst,strip_trailing_slash);
         // sources
@@ -246,12 +251,14 @@ namespace sitecing {
                 }
                 parser.class_name = "_SCC_"+parser.class_name;
                 parser.output_basename = nos;
                 parser.component_basename = noro;
                 try {
                     parser.preprocess(src);
+                    string sf = root_intermediate+noro+".pp_stamp";
+                    ofstream sfs(sf.c_str(),ios::trunc|ios::out); // touch .pp_stamp
                 }catch(preprocessor_error& pe) {
                     pe.component_name = noro;
                     pe.see(CODEPOINT);
                     throw;
                 }
                 return;