diff --git a/src/distromatic.c b/src/distromatic.c
index d78ed5b..39509d1 100644
--- a/src/distromatic.c
+++ b/src/distromatic.c
@@ -511,6 +511,7 @@ resolveFirstLevelDependencies(struct configTag *ct, int archidx)
                           !currheader->obsoleted) k++;
                    }
                    if (k == provided->numproviders) { // all provides are from older packages
+                      addRebuild(provided->provider[j]->sourceheader,currheader->sourceheader);
                       snprintf(warning, PATH_MAX, "%s(%s,%s) requires %s which is only provided by older package(s):",
                                currheader->name,
                                currheader->arch,
diff --git a/src/headerlist.c b/src/headerlist.c
index 99fe191..63b02d9 100644
--- a/src/headerlist.c
+++ b/src/headerlist.c
@@ -93,6 +93,32 @@ struct warningList* addWarning(struct headerSourceList *pkg, char* text)
      return pkg->firstwarning;
 }
 
+struct rebuildList* addRebuild(struct headerSourceList *pkg, struct headerSourceList* sourceheader)
+{
+     struct rebuildList *currrebuild, *prevrebuild = NULL;
+
+     if (!pkg) return NULL;
+
+     currrebuild = pkg->firstrebuild;
+
+     while (currrebuild) {
+          if (currrebuild->sourceheader == sourceheader) return currrebuild;
+          prevrebuild = currrebuild;
+          currrebuild = currrebuild->next;
+     }
+
+     currrebuild=malloc(sizeof(currrebuild));
+     if (!currrebuild) return NULL;
+     if (!pkg->firstrebuild) pkg->firstrebuild=currrebuild;
+
+     currrebuild->sourceheader=sourceheader;
+     if (!currrebuild->sourceheader) return NULL;
+
+     currrebuild->next=NULL;
+     if (prevrebuild) prevrebuild->next=currrebuild;
+     return pkg->firstrebuild;
+}
+
 struct headerList *
 findPackageByName(struct headerList *list, char *name)
 {
diff --git a/src/include/headerlist.h b/src/include/headerlist.h
index d50a71a..51c9c42 100644
--- a/src/include/headerlist.h
+++ b/src/include/headerlist.h
@@ -61,6 +61,11 @@ struct warningList {
      struct warningList *next;
 };
 
+struct rebuildList {
+     struct headerSourceList *sourceheader;
+     struct rebuildList *next;
+};
+
 struct Require {
      char *name;
      long flags;
@@ -139,6 +144,7 @@ struct headerSourceList {
      struct headerList *firstchild[ARCHS_MAX];
      struct warningList *firstwarning;
      struct headerSourceList *updatingparent;
+     struct rebuildList *firstrebuild;
      long id;
 };
 
@@ -219,6 +225,8 @@ addToHeaderList(struct configTag *ct,
 
 struct warningList* addWarning(struct headerSourceList *pkg,char* text);
 
+struct rebuildList* addRebuild(struct headerSourceList *pkg, struct headerSourceList* sourceheader);
+
 int getPackageNameFromFile(char *name);
 
 #endif                          /* HEADERLIST_H */
diff --git a/src/reports.c b/src/reports.c
index 051b626..af7584f 100644
--- a/src/reports.c
+++ b/src/reports.c
@@ -1774,6 +1774,7 @@ print_datatables(struct configTag *ct, int arch) {
      char obsoletebuf[PATH_MAX];
      struct headerList *currheaderlist, *currchild;
      struct headerSourceList * currheadersourcelist;
+     struct rebuildList * currrebuild;
      int i, nonobsoletednumproviders;
 
      snprintf(builddeps_filename,1024,"%sbuilddeps-%s",ct->html_dir,ct->arch[arch]);
@@ -2085,8 +2086,16 @@ print_datatables(struct configTag *ct, int arch) {
               currchild = currchild->nextbrother;
               if (currchild) fprintf(fbsh," ");
            }
-           fprintf(fbsh,"); pkg_obsoletes=(%s); }\n",obsoletebuf);
-           fprintf(fb,"\n");
+           fprintf(fbsh,"); pkg_obsoletes=(%s);",obsoletebuf);
+
+           fprintf(fbsh,"pkg_needrebuild=(");
+           currrebuild=currheadersourcelist->firstrebuild;
+           while (currrebuild) {
+              fprintf(fbsh, "%s ", currrebuild->sourceheader->name);
+              currrebuild = currrebuild->next;
+           }
+           fprintf(fb,"); }\n\n");
+
         }
         currheadersourcelist = currheadersourcelist->next;
      }