diff --git a/autoport b/autoport
index 31070b5..6958919 100755
--- a/autoport
+++ b/autoport
@@ -1,6 +1,6 @@
 #!/bin/bash
 # autoport -- batch cross-build tool based on autodist
-# Copyright (C) 2011 by Silvan Calarco <silvan.calarco@mambasoft.it>
+# Copyright (C) 2011-2012 by Silvan Calarco <silvan.calarco@mambasoft.it>
 #
 # Released under the terms of the GNU GPL release 3 license
 #
@@ -16,7 +16,7 @@ me=(${0##*/} $VERSION "Sat Mar 20 2011")
 function usage() {
    echo "\
 ${me[0]} ${me[1]}
-"$"Copyright (C) 2010 Silvan Calarco <silvan.calarco@mambasoft.it>""
+"$"Copyright (C) 2011-2012 Silvan Calarco <silvan.calarco@mambasoft.it>""
 "$"Released under the terms of the GNU GPL v3 license"
    echo "
 "$"Batch port and cross-build tool based on autodist.""
@@ -121,6 +121,13 @@ JOB_FAILED=(${JOB_FAILED[*]})
 _EOF
 }
 
+function find_source_by_provide() {
+   local pkg=`echo $2 | sed "s|(|\\\\\[|g;s|)|\\\\\]|g;s|:|_|g"`
+   grep "^$pkg:" $DATADIR/$1/sources-$BASE_ARCH | \
+      awk '{ $1=""; print $0 }' | \
+      sed "s|[[:space:]]_| |g"
+}
+
 function find_requirements() {
    [ "$1" ] || return 1
    local tf=`mktemp` || {
@@ -142,9 +149,9 @@ function find_requirements() {
       echo -n " | missing requirements: "
       > $tf
       cat $tf1 | while read line; do
-         REQ=`grep "^$line:" $DATADIR/$PORT_REPOSITORY/sources-$BASE_ARCH | awk '{ print $2 }'`
+         REQ=`find_source_by_provide $PORT_REPOSITORY $line`
          [ "$REQ" ] && \
-            echo "${REQ/_}" >> $tf || \
+            echo "${REQ}" >> $tf || \
             echo -n "$line(unresolved) "
       done
       > $tf1
@@ -335,6 +342,7 @@ for TARGET_ARCH in ${TARGET_ARCHS}; do
       JOB_MAYBEINSTALLED_NEW=()
       JOB_FAILED_OLD=(${JOB_FAILED[*]})
       JOB_FAILED=()
+      JOB_CANTINSTALL_OLD=(${JOB_CANTINSTALL[*]})
       for JOB_NUM in `seq 1 ${#JOB[*]}`; do
          JOB_CURRENT=${JOB[$JOB_NUM-1]}
          if [ "`grep "^${JOB_CURRENT}$" /etc/autodist/unstage 2>/dev/null`" -o \
@@ -373,8 +381,17 @@ for TARGET_ARCH in ${TARGET_ARCHS}; do
 %% COMMAND: LANG=C LC_ALL=C autodist -p ${JOB_CURRENT} --server $PORT_REPOSITORY --repository $PORT_REPOSITORY --severity 2 -- $STAGEOPTS"
             LANG=C LC_ALL=C autodist -p ${JOB_CURRENT} --server $PORT_REPOSITORY --repository $PORT_REPOSITORY --severity 2 -- $STAGEOPTS &>>$logfile
             [ $? -gt 0 ] && {
+               RES=`find_source_by_provide $PORT_REPOSITORY $JOB_CURRENT`
+               for j in ${RES}; do
+                  [ "$j" != "$JOB_CURRENT" ] && RESOLVED_JOB="$RESOLVED_JOB $j"
+               done
+               if [ "$RESOLVED_JOB" ]; then
+                  echo "(FAILED) [but scheduling $RESOLVED_JOB]"
+                  JOB_FAILED=(${JOB_FAILED[*]} $RESOLVED_JOB)
+               else
+                  echo "(FAILED) "
+               fi
                JOB_CANTPREPARE=(${JOB_CANTPREPARE[*]} $JOB_CURRENT)
-               echo "(FAILED) "
                continue
             } || {
                echo $JOB_CURRENT >> $DATAARCHDIR/preparedjobs
@@ -460,6 +477,53 @@ for TARGET_ARCH in ${TARGET_ARCHS}; do
          }
          echo
       done
+      if [ "${JOB[*]}" == "${JOB_FAILED[*]}" -a "${JOB_MISSINGREQ[*]}" == "" ]; then
+         # some new build, retry cantinstall jobs
+         JOB_CANTINSTALL=()
+         for JOB_NUM in `seq 1 ${#JOB_CANTINSTALL_OLD[*]}`; do
+            JOB_CURRENT=${JOB_CANTINSTALL_OLD[$JOB_NUM-1]}
+            if [ "`grep "^${JOB_CURRENT}$" /etc/autodist/unstage 2>/dev/null`" -o \
+                 "`grep "^${JOB_CURRENT}$" /etc/autodist/unstage.${TARGET_ARCH} 2>/dev/null`" ]; then
+               echo -n "$JOB_CURRENT: "
+               STAGEOPTS=
+            else
+               echo -n "$JOB_CURRENT(staging): "
+               STAGEOPTS="$AUTOPORT_STAGEVARS"
+            fi
+            echo -n "retryinstall"
+            LANG=C LC_ALL=C autodist -i ${JOB_CURRENT} --arch $TARGET_ARCH --force --severity 2 -- $STAGEOPTS &>>$tmpfile
+            # --server $DEST_REPOSITORY --repository $PORT_REPOSITORY
+            [ $? -gt 0 ] && {
+               if [ "$VERBOSE_MODE" ]; then
+                  echo
+                  echo "Failed output:"
+                  echo "=============="
+                  cat $tmpfile
+                  echo "=============="
+                  echo
+               fi
+               cat $tmpfile >> $logfile
+               JOB_CANTINSTALL=(${JOB_CANTINSTALL[*]} $JOB_CURRENT)
+               echo $JOB_CURRENT >> $DATAARCHDIR/checkinstalljobs
+               echo "(FAILED)"
+               # sometimes script fails but package is installed; run fix_la_files anyway
+               sudo autoport-fix-environment $TARGET_ARCH
+
+               JOB_MAYBEINSTALLED_NEW=(${JOB_MAYBEINSTALLED_NEW[*]} $JOB_CURRENT)
+               JOB_LOG=`grep "^?= See " $tmpfile | awk '{ print $3 }'`
+               [ "$JOB_LOG" ] || JOB_LOG=$tmpfile
+               find_requirements $JOB_LOG
+               continue
+            } || {
+               cat $tmpfile >> $logfile
+               sudo autoport-fix-environment $TARGET_ARCH
+               JOB_MAYBEINSTALLED_NEW=(${JOB_MAYBEINSTALLED_NEW[*]} $JOB_CURRENT)
+               JOB_COMPLETED=(${JOB_COMPLETED[*]} $JOB_CURRENT)
+               echo -n "(OK)"
+            }
+            echo
+         done
+      fi
       echo "Skipped jobs: ${JOB_SKIPPED[*]}"
       echo "Unpreparable jobs: ${JOB_CANTPREPARE[*]}"
       echo "Missing requirements: ${JOB_MISSINGREQ[*]}"
@@ -468,7 +532,9 @@ for TARGET_ARCH in ${TARGET_ARCHS}; do
       echo "Failed jobs: ${JOB_FAILED[*]}"
       write_last_file
 
-      [ "${JOB[*]}" == "${JOB_FAILED[*]}" -a "${JOB_MISSINGREQ[*]}" == "" ] && {
+      [ "${JOB[*]}" == "${JOB_FAILED[*]}" -a \
+        "${JOB_MISSINGREQ[*]}" == "" -a \
+        "${JOB_CANTINSTALL_OLD[*]}" == "${JOB_CANTINSTALL[*]}"  ] && {
          echo "Loop detected. Finishing. See $logfile for details."
          rm -f $tmpfile $tmpfile1
          exit 1