path: root/gcc/melt-build-script.tpl

[+ AutoGen5 template -*- Mode: Shell-script -*-
sh
+][+COMMENT use 'autogen --trace=everything melt-build-script.def' to debug this
  See http://www.gnu.org/software/autogen/
+]#!/bin/bash
[+ (. (dne "#@#@# " "#@! ")) +]
# Generated shell script for MELT modules and MELT translator bootstrap
#   Copyright (C) 2012 - 2013  Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
#@ [+ (. (tpl-file-line))+] generated by Autogen [+ (. autogen-version)+] using [+ (.(def-file))+]

## melt-build-script.tpl generates melt-build-script.sh which may
## create meltbuild-* files and directories.  The invoking makefile
## may clean these meltbuild-* things.

## Ypu may want to set the GCCMELT_BUILD_NOTIFICATION environment variable
## to a shell script called with two arguments (a title, and a message)
## e.g. using notify-send or logger in such a script.
shopt -s nullglob

[+(. (define comefromcount 0))+]
[+(. (define (fromline) (set! comefromcount (+ comefromcount 1)) 
	(sprintf "%s/%d" (tpl-file-line "%s:%d") comefromcount)
	))+]

## set the overallgoal  [+(.(fromline))+] 
melt_overall_goal=$1
if [ -z "$melt_overall_goal" ]; then
  melt_overall_goal=gendoc
fi

## source the builtin settings  [+(.(fromline))+] generated from the MELT runtime
. ./melt-build-settings.sh

## source the parameters  [+(.(fromline))+]
. ./melt-build-param.sh

export GAWK=${GAWK:=gawk}
export MD5SUM=${MD5SUM:=md5sum}

## internal variables for this script  [+(.(fromline))+]
## GCCMELT_STAGE is an internal variable; it keeps the current MELT stage
export GCCMELT_STAGE=""
## GCCMELT_BASE is an internal variable; it keeps the current MELT base
export GCCMELT_BASE=""
## GCCMELT_SKIPEMITC is an internal variable; it skips the emission of C code when non-empty
export GCCMELT_SKIPEMITC=""



date +"/*empty file for MELT build %c*/" > meltbuild-empty-file.c

[ -d meltbuild-workdir ] || mkdir  meltbuild-workdir
[ -d meltbuild-tempdir ] || mkdir  meltbuild-tempdir

## our error function  [+(.(fromline))+]
function meltbuild_error () {
    echo MELT BUILD SCRIPT FAILURE: $@ >&2
    exit 1
}

## symbolic linking
function meltbuild_symlink () {
    ln -svf `realpath $1` $2
}

## our info function
function meltbuild_info () {
    echo MELT BUILD SCRIPT INFO: $@ >&2
}

## our notice function - for more important things than info
function meltbuild_notice () {
    meltnotititle=$1
    shift
    (echo; echo; echo MELT BUILD SCRIPT NOTICE "$meltnotititle:" $@ ; echo ) >&2
    if [ -n "$GCCMELT_BUILD_NOTIFICATION" ]; then
	$GCCMELT_BUILD_NOTIFICATION "$meltnotititle:" "$*"
    fi
}

## utility to build MELT specific arguments in meltbuild_emit
function meltbuild_arg () {
    local meltarg=$1
    if [ -z "$GCCMELT_IS_PLUGIN" ]; then
	echo " -fmelt-$meltarg"
    else
	echo " -fplugin-arg-melt-$meltarg"
    fi
}


if [ ! -f "$GCCMELT_RUNTIME_DEPENDENCY" ]; then
    meltbuild_error  [+(.(fromline))+] missing MELT runtime dependency "$GCCMELT_RUNTIME_DEPENDENCY" 
fi

if [ -z "$GCCMELT_CC1PLUS" ]; then
   meltbuild_error  [+(.(fromline))+] missing GCCMELT_CC1PLUS
fi

if [ ! -f meltrunsup.h ]; then 
    meltbuild_symlink $GCCMELT_MELTSOURCEDIR/generated/meltrunsup.h meltrunsup.h 
    meltbuild_info  [+(.(fromline))+] symlinking meltrunsup.h header
fi

GCCMELT_RUNTIME_DEPENDENCY_MD5SUM=$($MD5SUM "$GCCMELT_RUNTIME_DEPENDENCY"  | cut -b 1-32)

case $melt_overall_goal in
    translator) ;;
    applications) ;;
    modlists) ;;
    checkruntime) ;;
    gendoc) ;;
    regenerate) ;;
    *) meltbuild_error  [+(.(fromline))+] bad MELT overall goal "$melt_overall_goal:" \
        expecting translator, applications, modlists, checkruntime or gendoc or regenerate
esac

################################################################
################ stage zero

GCCMELT_ZERO_FLAVOR=${GCCMELT_STAGE_ZERO#meltbuild-stage0-}

## The base name of the MELT translator files [+ (. (fromline))+]
GCCMELT_TRANSLATOR_BASE=([+FOR melt_translator_file " \\\n"+]  [+base+][+ENDFOR melt_translator_file+] )

case $GCCMELT_ZERO_FLAVOR in
    optimized) ;;
    dynamic) ;;
    debugnoline) ;;
    quicklybuilt) ;;
    *) meltbuild_error  [+(.(fromline))+] bad zero flavor $GCCMELT_ZERO_FLAVOR ;;
esac


## our stage0 [+(.(fromline))+]

[ -d $GCCMELT_STAGE_ZERO ] || mkdir  $GCCMELT_STAGE_ZERO


function meltbuild_do_stage_zero () {
meltbuild_notice STAGE0+  [+(.(fromline))+] starting stage zero

[+FOR melt_translator_file+]
  meltbuild_info making stage0 [+base+]  [+(.(fromline))+]

##  stage0 [+(.(fromline))+] symlink descriptor file [+base+]
  if [ ! -f "$GCCMELT_STAGE_ZERO/[+base+]+meltdesc.c" ]; then
      meltbuild_symlink $GCCMELT_MELTSOURCEDIR/generated/[+base+]+meltdesc.c $GCCMELT_STAGE_ZERO/ 
  fi

##  stage0 [+(.(fromline))+] symlink melt/generated source code [+base+]
  if [ ! -f "$GCCMELT_STAGE_ZERO/[+base+].cc" ]; then
      meltbuild_info making stage0 [+base+] symlinking sources [+(.(fromline))+]
      meltbuild_symlink $GCCMELT_MELTSOURCEDIR/generated/[+base+].cc $GCCMELT_STAGE_ZERO/ 
      for f in $GCCMELT_MELTSOURCEDIR/generated/[+base+]+[0-9][0-9].cc ; do
	  meltbuild_symlink $f $GCCMELT_STAGE_ZERO/`basename $f`
      done
  fi

##  stage0 [+(.(fromline))+] symlink stamp [+base+]
  if  [ ! -f "$GCCMELT_STAGE_ZERO/[+base+]+melttime.h" ]; then
      meltbuild_info making stage0 [+base+] symlinking timestamp [+(.(fromline))+]
      meltbuild_symlink $GCCMELT_MELTSOURCEDIR/generated/[+base+]+melttime.h $GCCMELT_STAGE_ZERO/[+base+]+melttime.h 
  fi

  MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5=$($GAWK -F\" '/extern/{next} /melt_cumulated_hexmd5/{print $2}' $GCCMELT_MELTSOURCEDIR/generated/[+base+]+meltdesc.c)


## manually generate the stage0 [+base+]+meltbuild.mk file  [+(.(fromline))+]
  MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK=$GCCMELT_STAGE_ZERO/[+base+]+meltbuild.mk

  date +"# file $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK script-generated %c" > $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo "# generated " [+(.(fromline))+] >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo "MELTGEN_MODULENAME=$GCCMELT_STAGE_ZERO/[+base+]"  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo "MELTGEN_MODULEIDENT=melt_stage_zero_[+varsuf+]"  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$

  echo '# zerostage objects of [+base+] [+(.(fromline))+]' >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo $GCCMELT_STAGE_ZERO/[+base+].$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5.descriptor.meltpic.o: $GCCMELT_STAGE_ZERO/[+base+]+meltdesc.c  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  for f in $GCCMELT_STAGE_ZERO/[+base+].cc $GCCMELT_STAGE_ZERO/[+base+]+[0-9][0-9].cc; do
      echo >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
      echo $GCCMELT_STAGE_ZERO/`basename $f .cc`._NOMDFIVESUM_.$GCCMELT_ZERO_FLAVOR.meltpic.o: $f >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  done

  echo >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo '# zerostage module of [+base+] [+(.(fromline))+]'  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo $GCCMELT_STAGE_ZERO/[+base+].meltmod-$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5.$GCCMELT_ZERO_FLAVOR.so: \\  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo " " $GCCMELT_STAGE_ZERO/[+base+].$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5.descriptor.meltpic.o \\  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  for f in $GCCMELT_STAGE_ZERO/[+base+]+[0-9][0-9].cc; do
      echo " " $GCCMELT_STAGE_ZERO/`basename $f .cc`._NOMDFIVESUM_.$GCCMELT_ZERO_FLAVOR.meltpic.o \\ >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  done
  echo " " $GCCMELT_STAGE_ZERO/[+base+]._NOMDFIVESUM_.$GCCMELT_ZERO_FLAVOR.meltpic.o >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo MELTGENMOD_CUMULATED_MD5SUM_melt_stage_zero_[+varsuf+]=$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5 >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo MELTGENMOD_NAKED_NAME_melt_stage_zero_[+varsuf+]=[+base+]  >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
  echo '#end of generated file ' $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK >> $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$
##
  mv $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK-tmp$$ $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK
  meltbuild_info [+(.(fromline))+] generated stagezero makedep $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK
  ls -l $MELT_ZERO_GENERATED_[+varsuf+]_BUILDMK >&2

  $GCCMELT_MAKE -f $GCCMELT_MODULE_MK melt_module \
      GCCMELT_FROM=stagezero-[+(.(fromline))+] \
      GCCMELT_COMPILER="$GCCMELT_COMPILER" \
      GCCMELTGEN_BUILD=$GCCMELT_STAGE_ZERO/ \
      GCCMELT_MODULE_WORKSPACE=meltbuild-workdir \
      GCCMELT_MODULE_FLAVOR=$GCCMELT_ZERO_FLAVOR \
      GCCMELT_CFLAGS="$GCCMELT_COMPILER_FLAGS" \
      GCCMELT_MODULE_SOURCEBASE=$GCCMELT_STAGE_ZERO/[+base+] \
      GCCMELT_CUMULATED_MD5=$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5 \
      GCCMELT_MODULE_BINARYBASE=$GCCMELT_STAGE_ZERO/[+base+] \
      GCCMELT_MODULE_DEPENDENCIES="$GCCMELT_CC1PLUS_DEPENDENCIES" \
      || meltbuild_error  [+(.(fromline))+] stage0 [+base+] did not build "(with $GCCMELT_MAKE  -f $GCCMELT_MODULE_MK)" compiler $GCCMELT_COMPILER cflags $GCCMELT_COMPILER_FLAGS

  meltbuild_info [+(.(fromline))+] stage0 [+base+] module 
  ls -l "$GCCMELT_STAGE_ZERO/[+base+].meltmod-$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5.$GCCMELT_ZERO_FLAVOR.so" >&2 \
      || meltbuild_error  [+(.(fromline))+] stage0 [+base+] fail to build \
      "$GCCMELT_STAGE_ZERO/[+base+].meltmod-$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5.$GCCMELT_ZERO_FLAVOR.so"

  meltbuild_info [+(.(fromline))+] successfully build stage0 [+base+]
# end stage0  [+(.(fromline))+] base  [+base+]
[+ENDFOR melt_translator_file+]
} ################ end of function meltbuild_do_stage_zero [+(.(fromline))+]
################################################################

## stage0 stamp file [+(.(fromline))+]
melt_stagezero_stamp=$GCCMELT_STAGE_ZERO/$GCCMELT_STAGE_ZERO.stamp

## test if stage0 should be skipped then do it  [+(.(fromline))+]
if [ ! -f "$melt_stagezero_stamp" -o "$melt_stagezero_stamp" -ot "$GCCMELT_RUNTIME_DEPENDENCY" ]; then
   meltbuild_do_stage_zero
    melt_stagezero_stamptemp=$melt_stagezero_stamp-tmp$$
    echo MELT stagezero stampfile $GCCMELT_STAGE_ZERO.stamp for MELT $MELTGCCBUILTIN_VERSION_STRING from [+(.(fromline))+] >  $melt_stagezero_stamptemp
    echo $GCCMELT_RUNTIME_DEPENDENCY_MD5SUM $GCCMELT_RUNTIME_DEPENDENCY >> $melt_stagezero_stamptemp
[+FOR melt_translator_file+]
#  stagezero stamp [+(.(fromline))+] base  [+base+]
    $MD5SUM $GCCMELT_STAGE_ZERO/[+base+].cc $GCCMELT_STAGE_ZERO/[+base+]+[0-9][0-9].cc >> $melt_stagezero_stamptemp
    $MD5SUM $GCCMELT_STAGE_ZERO/[+base+].meltmod-$MELT_ZERO_GENERATED_[+varsuf+]_CUMULMD5.$GCCMELT_ZERO_FLAVOR.so  >> $melt_stagezero_stamptemp
[+ENDFOR melt_translator_file+]
    $GCCMELT_MOVE_IF_CHANGE $melt_stagezero_stamptemp $melt_stagezero_stamp
else
   meltbuild_info [+(.(fromline))+] skipped stage0 because of stamp file $melt_stagezero_stamp
fi

meltbuild_info [+(.(fromline))+] times after stagezero at `date '+%x %H:%M:%S'`: ;  times >&2


################################################################
## function to run MELT to emit C code  [+(.(fromline))+]
function meltbuild_emit () {
    local meltfrom=$1
    local meltmode=$2
    local meltbase=$3
    local meltstage=$4
    local meltprevstage=$5
    local meltinit=$6
    local meltinclude=$7
    local meltbuildoption=$8
    local meltargs=$meltstage/$meltbase.args
    local meltsrc=$(realpath $GCCMELT_MELTSOURCEDIR/$meltbase.melt)
    meltbuild_info meltfrom=$meltfrom meltmode=$meltmode meltbase=$meltbase meltstage=$meltstage meltprevstage=$meltprevstage meltinit=$meltinit meltinclude=$meltinclude meltsrc=$meltsrc
    local meltsum
    local meltprevf
    if [ -z "$meltmode" ]; then
	meltbuild_error $meltfrom no MELT mode at stage $meltstage
    fi
    if [ ! -f "$meltsrc" ]; then
	meltbuild_error $meltfrom no MELT file $meltsrc at stage $meltstage base $meltbase
    fi
    if [ -z "$meltinit" ]; then
	meltbuild_error $meltfrom no MELT init  at stage $meltstage base $meltbase
    fi
    meltsum=$($MD5SUM $meltsrc | $GAWK '{print $1}')
    meltbuild_info $meltfrom emit C code for $meltbase of $meltstage
    echo -Wno-shadow -frandom-seed=$meltsum > $meltargs-$$-tmp
    ## various arguments
    echo " -DGCCMELT_FROM_ARG=\"$meltfrom\"" >>  $meltargs-$$-tmp
    meltbuild_arg mode=$meltmode >> $meltargs-$$-tmp
    meltbuild_arg arg=$meltsrc >>  $meltargs-$$-tmp
    meltbuild_arg output=$meltstage/$meltbase  >>  $meltargs-$$-tmp
    meltbuild_arg "module-make-command='$GCCMELT_MAKE'" >> $meltargs-$$-tmp
    meltbuild_arg module-makefile=$GCCMELT_MODULE_MK >> $meltargs-$$-tmp
    meltbuild_arg "module-cflags='$GCCMELT_INCLUDES -I. -I$meltstage -I$meltprevstage $GCCMELT_COMPILER_FLAGS'" >>  $meltargs-$$-tmp
    meltbuild_arg init=$meltinit >> $meltargs-$$-tmp
    meltbuild_arg workdir=meltbuild-workdir >> $meltargs-$$-tmp
    meltbuild_arg tempdir=meltbuild-tempdir >> $meltargs-$$-tmp
    meltbuild_arg source-path=$meltstage:$meltprevstage:. >> $meltargs-$$-tmp
    meltbuild_arg module-path=$meltstage:$meltprevstage:. >> $meltargs-$$-tmp
    meltbuild_arg bootstrapping  >> $meltargs-$$-tmp
    meltbuild_arg generate-work-link  >> $meltargs-$$-tmp
    meltbuild_arg generated-c-file-list=$meltstage/$meltbase.cfilist  >> $meltargs-$$-tmp
    if [ -n "$meltbuildoption" ]; then
	echo "$meltbuildoption" >> $meltargs-$$-tmp
    fi
    ## final empty file
    echo meltbuild-empty-file.c >>  $meltargs-$$-tmp
    mv $meltargs-$$-tmp $meltargs
    meltbuild_info $meltfrom argument file $meltargs is
    cat  $meltargs < /dev/null >&2
    if [ -z "$GCCMELT_SKIPEMITC" ]; then
	$GCCMELT_CC1PLUS_PREFIX $GCCMELT_CC1PLUS @$meltargs || meltbuild_error $meltfrom failed with arguments @$meltargs
        ## remove obsolete secondary C files left previously in $meltstage 
	for meltcsecfil in $meltstage/$meltbase+[0-9][0-9].cc ; do
	    if grep -q `basename $meltcsecfil` "$meltstage/$meltbase.cfilist" ; then
		: # at  [+(.(fromline))+]
	    else
		meltbuild_info $meltfrom removing obsolete $meltcsecfil
		rm -f "$meltcsecfil"
	    fi
	done
    else
	meltbuild_info $meltfrom skips emission of C code with  @$meltargs stage $meltstage prevstage $meltprevstage skipreason $GCCMELT_SKIPEMITC  [+(.(fromline))+] 
	ls -l $meltprevstage/$meltbase*
	meltbuild_info $meltfrom symlinking previous stage $meltprevstage  [+(.(fromline))+] 
	for meltprevf in $meltprevstage/$meltbase.cc  $meltprevstage/$meltbase+[0-9][0-9].cc  $meltprevstage/$meltbase+meltdesc.c  $meltprevstage/$meltbase+melttime.h   $meltprevstage/$meltbase+meltbuild.mk ; do
	    meltbuild_symlink $meltprevf $meltstage/`basename $meltprevf`
	done
	meltbuild_info $meltfrom symlinked previous stage $meltprevstage/$meltbase [+(.(fromline))+] 
    fi
    GCCMELT_STAGE=$meltstage
    GCCMELT_BASE=$meltbase
} ################################ end function meltbuild_emit

################################################################
################################################################
#################@ before our stages [+(.(fromline))+] 
### Our stages [+FOR melt_stage " "+][+stagdir+][+ENDFOR meltstage+] 
### are incrementally built, with the former modules of
### the current stage and the later modules of the previous stages
### used to emit the source of the current module in the current stage.
### This is a kind of "diagonalization".


################################################################
#### function to do a stage [+(.(fromline))+]
function meltbuild_do_stage () {
    local meltfrom=$1
    local meltcurstagedir=$2
    local meltcurflavor=$3
    local meltprevstagedir=$4
    local meltprevflavor=$5
    local meltbuildoption=$6
[+FOR melt_translator_file+]
    local meltchecksum_[+varsuf+]
[+ENDFOR melt_translator_file+]
    local meltstamp
    local meltstamptmp
####in meltbuild_do_stage [+(.(fromline))+]
    meltbuild_notice "$meltcurstagedir+" starting  stage $meltcurstagedir flavor $meltcurflavor from $meltfrom
####in meltbuild_do_stage [+(.(fromline))+]
    meltbuild_info $meltfrom starting stage $meltcurstagedir flavor $meltcurflavor previous $meltprevstagedir previous flavor $meltprevflavor
    [ -d $meltcurstagedir ] || mkdir $meltcurstagedir
    if [ ! -d "$meltprevstagedir" -o ! -f "$meltprevstagedir/$meltprevstagedir.stamp" ]; then
	meltbuild_error $meltfrom previous stage "$meltprevstagedir/" without stamp file $meltprevstagedir/$meltprevstagedir.stamp
    fi

[+FOR melt_translator_file+][+ 
  (define outbase (get "base")) (define outindex (for-index)) +]

    #in meltbuild_do_stage [+(.(fromline))+] base [+base+]
    meltbuild_info [+(.(fromline))+] from $meltfrom generating C code of [+base+] in $meltcurstagedir

    #in meltbuild_do_stage [+(.(fromline))+] emit C code for [+base+]
    meltbuild_emit [+(.(fromline))+]-$meltfrom \
	[+IF (= outindex 0)+]translateinit[+ELSE+]translatefile[+ENDIF+] \
	[+base+] \
	"$meltcurstagedir" \
	"$meltprevstagedir" \
	[+FOR melt_translator_file ":"+][+
	(define inindex (for-index)) 
	(define depstage (if (< inindex outindex) "$meltcurstagedir" "$meltprevstagedir"))
	(define depflavor (if (< inindex outindex) "$meltcurflavor" "$meltprevflavor"))
+][+(. depstage)+]/[+base+].[+ (. depflavor)+][+ENDFOR melt_translator_file+] \
    "[+FOR includeload " "+][+includeload+][+ENDFOR includeload+]" \
    "$meltbuildoption"

    #in meltbuild_do_stage [+(.(fromline))+] checksum C code for [+base+]
    meltchecksum_cumul_[+varsuf+]=$(cat "$meltcurstagedir"/[+base+].cc "$meltcurstagedir"/[+base+]+[0-9][0-9].cc | $MD5SUM | cut -b 1-32)

    #in meltbuild_do_stage [+(.(fromline))+] perhaps compiling C code for [+base+]
    if [ -z "$GCCMELT_SKIPEMITC" ]; then
	meltbuild_info [+(.(fromline))+]-$meltfrom compiling module [+base+] in "$meltcurstagedir"
	$GCCMELT_MAKE -f $GCCMELT_MODULE_MK melt_module \
	    GCCMELT_FROM="[+(.(fromline))+]-$meltfrom" \
	    GCCMELT_MODULE_WORKSPACE=meltbuild-workdir \
	    GCCMELT_MODULE_FLAVOR="$meltcurflavor" \
	    GCCMELT_COMPILER="$GCCMELT_COMPILER" \
	    GCCMELT_CFLAGS="$GCCMELT_COMPILER_FLAGS" \
	    GCCMELT_MODULE_SOURCEBASE="$meltcurstagedir/[+base+]" \
	    GCCMELT_MODULE_BINARYBASE="$meltcurstagedir/[+base+]" \
	|| ( meltbuild_info [+(.(fromline))+]-$meltfrom recompiling bad module [+base+] in "$meltcurstagedir" ; \
	$GCCMELT_MAKE -f $GCCMELT_MODULE_MK melt_module \
	    GCCMELT_FROM="[+(.(fromline))+]-$meltfrom" \
	    GCCMELT_MODULE_WORKSPACE=meltbuild-workdir \
	    GCCMELT_MODULE_FLAVOR="$meltcurflavor" \
	    GCCMELT_COMPILER="$GCCMELT_COMPILER" \
	    GCCMELT_CFLAGS="$GCCMELT_COMPILER_FLAGS -DMELTGCC_NOLINENUMBERING" \
	    GCCMELT_MODULE_SOURCEBASE="$meltcurstagedir/[+base+]" \
	    GCCMELT_MODULE_BINARYBASE="$meltcurstagedir/[+base+]" ; \
	    meltbuild_error  [+(.(fromline))+]-$meltfrom in "$meltcurstagedir/" \
                failed to make "($GCCMELT_MAKE -f $GCCMELT_MODULE_MK)" module [+base+] compiler "$GCCMELT_COMPILER" cflags "$GCCMELT_COMPILER_FLAGS" )
    else
	meltbuild_info [+(.(fromline))+]-$meltfrom NOT compiling module [+base+] "in" \
	    "$meltcurstagedir/" but symlinking previous "$meltprevstagedir/" module [+base+] \
	    checksum $meltchecksum_cumul_[+varsuf+] skipemitc=$GCCMELT_SKIPEMITC.
	meltbuild_symlink "$meltprevstagedir/[+base+].meltmod-$meltchecksum_cumul_[+varsuf+].$meltprevflavor.so" \
	    "$meltcurstagedir/[+base+].meltmod-$meltchecksum_cumul_[+varsuf+].$meltcurflavor.so"
    fi
    #in meltbuild_do_stage [+(.(fromline))+] done base [+base+]
[+ENDFOR melt_translator_file+]

    #in meltbuild_do_stage [+(.(fromline))+] generating the stampfile
    meltstamp=$meltcurstagedir/$meltcurstagedir.stamp
    meltstamptmp=$meltstamp-tmp$$
    echo "///timestamp file $meltstamp" > $meltstamptmp
    echo $GCCMELT_RUNTIME_DEPENDENCY_MD5SUM $GCCMELT_RUNTIME_DEPENDENCY >> $meltstamptmp
[+FOR melt_translator_file+]
    $MD5SUM $meltcurstagedir/[+base+].cc $meltcurstagedir/[+base+]+[0-9][0-9].cc  >> $meltstamptmp
    $MD5SUM "$meltcurstagedir/[+base+].meltmod-$meltchecksum_cumul_[+varsuf+].$meltcurflavor.so"  >> $meltstamptmp
[+ENDFOR melt_translator_file+]
    echo "///end timestamp file $meltstamp"
    $GCCMELT_MOVE_IF_CHANGE $meltstamptmp $meltstamp

    #in meltbuild_do_stage [+(.(fromline))+] ending
    meltbuild_info $meltfrom done stage $meltcurstagedir flavor $meltcurflavor previous $meltprevstagedir previous flavor $meltprevflavor timestamp $meltstamp

}			#### end meltbuild_do_stage [+(.(fromline))+]
################################################################

##### possibly run all our stages  [+(.(fromline))+]
[+FOR melt_build_stage+]
#@  [+(.(fromline))+] stagedir [+stagdir+]
GCCMELT_SKIPEMITC=
if [ ! -f [+stagdir+]/[+stagdir+].stamp -o [+stagdir+]/[+stagdir+].stamp -ot $GCCMELT_RUNTIME_DEPENDENCY \
[+FOR melt_translator_file+] -o [+stagdir+]/[+stagdir+].stamp -ot $GCCMELT_MELTSOURCEDIR/[+base+].melt \
[+ENDFOR melt_translator_file+] ]; then
    echo ; echo ; echo ; echo 
    meltbuild_info  [+(.(fromline))+] '++++++++++++++++' building stage [+stagdir+] '++++++++++++++++'
    ## building stage [+stagdir+] previous [+stagprevdir+]  [+(.(fromline))+]
    meltbuild_do_stage  [+(.(fromline))+] [+stagdir+] quicklybuilt [+stagprevdir+] [+stagprevflavor+] "$GCCMELT_EMIT_OPTION_[+stagsuf+]"
else
    meltbuild_info  [+(.(fromline))+] skipping stage [+stagdir+]
fi

##  [+(.(fromline))+]
GCCMELT_LASTSTAGE=[+stagdir+]

[+ENDFOR melt_build_stage+]

################################################################


meltbuild_info [+(.(fromline))+] last stage $GCCMELT_LASTSTAGE

################################################################
################################################################
###########@ before generating meltbuild-sources [+(.(fromline))+]

#### the meltbuild-sources is the final sources directory, to be
#### installed.  They are generated from the last stage, using the
#### modules inside it. Notice that in contrast from the intermediate
#### stages no "diagonalization" is involved.

[ -d meltbuild-sources ] || mkdir meltbuild-sources

#@ from  [+(.(fromline))+]  compiling the modules
[ -d meltbuild-modules ] || mkdir meltbuild-modules

################################################################
function meltbuild_emit_translator_sources () {
[+FOR melt_translator_file+]
  ## meltbuild_emit_source  [+(.(fromline))+] base [+base+]
  meltbuild_info [+(.(fromline))+] generating C code of [+base+] in meltbuild-sources
  meltbuild_emit [+(.(fromline))+] \
      [+IF (= (for-index) 0)+]translateinit[+ELSE+]translatefile[+ENDIF+] \
      [+base+] \
      meltbuild-sources \
      "$GCCMELT_LASTSTAGE" \
      [+FOR melt_translator_file ":"+]$GCCMELT_LASTSTAGE/[+base+].quicklybuilt[+ENDFOR melt_translator_file+] \
      "[+FOR includeload " "+][+includeload+][+ENDFOR includeload+]"
[+ENDFOR melt_translator_file+]
}  # end of function meltbuild_emit_translator_sources


################
function meltbuild_compile_translator_modules () {
[+FOR flavor IN quicklybuilt optimized debugnoline+]

  # in meltbuild_compile_translator_sources [+flavor+] [+(.(fromline))+]
  meltbuild_info [+(.(fromline))+] compiling translator [+flavor+]

[+FOR melt_translator_file+]
   #@ [+(.(fromline))+] flavor [+flavor+] base [+base+]
   $GCCMELT_MAKE -f $GCCMELT_MODULE_MK melt_module \
     GCCMELT_FROM=[+(.(fromline))+] \
     GCCMELT_MODULE_WORKSPACE=meltbuild-workdir \
     GCCMELT_MODULE_FLAVOR=[+flavor+] \
     GCCMELT_COMPILER="$GCCMELT_COMPILER" \
     GCCMELT_CFLAGS="$GCCMELT_COMPILER_FLAGS" \
     GCCMELT_MODULE_SOURCEBASE=meltbuild-sources/[+base+] \
     GCCMELT_MODULE_BINARYBASE=meltbuild-modules/[+base+] \
 || meltbuild_error  [+(.(fromline))+] in meltbuild-modules failed to compile translator [+base+] [+flavor+] make "($GCCMELT_MAKE -f $GCCMELT_MODULE_MK)" compiler "$GCCMELT_COMPILER" cflags $GCCMELT_COMPILER_FLAGS
[+ENDFOR melt_translator_file+]

[+ENDFOR flavor+]
}     # end of function meltbuild_compile_translator_modules
################################################################


#################@ [+(.(fromline))+] 
function meltbuild_symlink_melt_translator_sources () {
[+FOR melt_translator_file+][+ 
  (define outbase (get "base")) (define outindex (for-index)) +]

### symlinking the MELT translator code in meltbuild-sources for [+base+] from [+ (. (fromline))+]

meltbuild_info [+(.(fromline))+] putting MELT translator code of [+base+] in meltbuild-sources

meltbuild_symlink $GCCMELT_MELTSOURCEDIR/[+base+].melt meltbuild-sources/[+base+].melt
[+FOR includeload "\n"+]meltbuild_symlink [+includeload+] meltbuild-sources/[+includeload+][+ENDFOR includeload+]

[+ENDFOR melt_translator_file+]
} 				# end of meltbuild_symlink_melt_translator_sources


################@ final translator [+(.(fromline))+] 
melt_final_translator_stamp=meltbuild-final-translator.stamp

if [ ! -f $melt_final_translator_stamp -o $melt_final_translator_stamp -ot $GCCMELT_RUNTIME_DEPENDENCY \
[+FOR melt_translator_file+] -o $melt_final_translator_stamp -ot $GCCMELT_MELTSOURCEDIR/[+base+].melt \
[+ENDFOR melt_translator_file+] -o $melt_final_translator_stamp -ot $GCCMELT_LASTSTAGE/$GCCMELT_LASTSTAGE.stamp ]; then
    meltbuild_notice 'Emit Translator Source'  [+(.(fromline))+] emit then translate the MELT translator 
    meltbuild_info [+(.(fromline))+] emit then translate the compile translator for  $melt_final_translator_stamp
    meltbuild_emit_translator_sources
    meltbuild_symlink_melt_translator_sources
    meltbuild_compile_translator_modules
    melt_final_translator_stamptemp=$melt_final_translator_stamp-tmp$$
    echo "///MELT translator timestamp file $melt_final_translator_stamp" > $melt_final_translator_stamptemp
    echo $GCCMELT_RUNTIME_DEPENDENCY_MD5SUM $GCCMELT_RUNTIME_DEPENDENCY >>  $melt_final_translator_stamptemp
[+FOR melt_translator_file+]
#@  [+(.(fromline))+] 
    $MD5SUM meltbuild-sources/[+base+].melt  >>  $melt_final_translator_stamptemp
  [+FOR includeload+]
    $MD5SUM meltbuild-sources/[+includeload+]  >>  $melt_final_translator_stamptemp
  [+ENDFOR includeload+]
    $MD5SUM meltbuild-sources/[+base+].cc meltbuild-sources/[+base+]+[0-9][0-9].cc  >> $melt_final_translator_stamptemp
    melt_translator_[+varsuf+]_cumulmd5=$(cat  meltbuild-sources/[+base+].cc meltbuild-sources/[+base+]+[0-9][0-9].cc  | $MD5SUM | cut -b 1-32)
[+ENDFOR melt_translator_file+]
    echo "///end timestamp file $melt_final_translator_stamp"
    $GCCMELT_MOVE_IF_CHANGE $melt_final_translator_stamptemp $melt_final_translator_stamp
else
    meltbuild_info [+(.(fromline))+] skip final translation of translator stamp  $melt_final_translator_stamp
fi

################################################################
#@ [+(.(fromline))+] making the meltbuild-common.args file to make life easier
# I would often use that meltbuild-common.args for testing, etc.
meltcommon_args=meltbuild-common.args
meltbuild_info [+(.(fromline))+] making $meltcommon_args
meltcommon_argstemp=$meltcommon_args-tmp$$
echo ' -DGCCMELT_FROM_ARG="[+(.(fromline))+]"' > $meltcommon_argstemp
meltbuild_arg workdir=meltbuild-workdir >>  $meltcommon_argstemp
meltbuild_arg tempdir=meltbuild-tempdir >> $meltcommon_argstemp
meltbuild_arg source-path=meltbuild-sources:$GCCMELT_LASTSTAGE >> $meltcommon_argstemp
meltbuild_arg module-path=meltbuild-modules:$GCCMELT_LASTSTAGE >> $meltcommon_argstemp
meltbuild_arg "module-cflags=\"$GCCMELT_COMPILER_FLAGS\"" >> $meltcommon_argstemp
meltbuild_arg "module-makefile=\"$GCCMELT_MODULE_MK\""  >>  $meltcommon_argstemp

$GCCMELT_MOVE_IF_CHANGE $meltcommon_argstemp $meltcommon_args
meltbuild_info [+(.(fromline))+] $meltcommon_args is
cat $meltcommon_args < /dev/null >&2


################
### the warmelt modules lists  [+(.(fromline))+]
[+FOR flavor in quicklybuilt optimized debugnoline+]
if [ ! -f meltbuild-sources/warmelt.[+flavor+].modlis \
    -o  meltbuild-sources/warmelt.[+flavor+].modlis -ot  "$melt_final_translator_stamp" ]; then 
  #  [+ (. (fromline))+] warmelt module list [+flavor+]
  melt_modlis_temp="meltbuild-sources/warmelt.[+flavor+].modlis-tmp$$"
  echo "# MELT translator modules:" >> $melt_modlis_temp
 [+FOR melt_translator_file+] 
  echo [+base+].[+flavor+] >> $melt_modlis_temp
 [+ENDFOR melt_translator_file+]
  $GCCMELT_MOVE_IF_CHANGE $melt_modlis_temp  "meltbuild-sources/warmelt.[+flavor+].modlis"
fi
[+ENDFOR flavor+]

################################################################
#@ [+(.(fromline))+]
if [ "$melt_overall_goal" = "translator" ]; then
    meltbuild_info [+(.(fromline))+] done translation overall goal with stamp  $melt_final_translator_stamp
    exit 0
fi

################
#@ [+(.(fromline))+] before application xtramelt* modules
################################################################
meltbuild_info [+(.(fromline))+] before applications GCCMELT_SKIPEMITC=$GCCMELT_SKIPEMITC.

meltbuild_info [+(.(fromline))+] times before applications at `date '+%x %H:%M:%S'`: ;  times >&2
 
melt_final_application_stamp=meltbuild-final-application.stamp

function meltbuild_do_applications () {
meltbuild_notice 'doing applications'  [+(.(fromline))+] doing applications 

[+FOR melt_application_file+]
[+ (define apbase (get "base")) (define apindex (for-index)) +]
  ## meltbuild_do_applications [+base+] [+(.(fromline))+]
  if [ ! -f meltbuild-sources/[+base+].melt ]; then
      meltbuild_symlink $GCCMELT_MELTSOURCEDIR/[+base+].melt meltbuild-sources/[+base+].melt
  fi
  ## meltbuild_do_applications [+base+] [+(.(fromline))+]
  if [ ! -f meltbuild-sources/[+base+].cc -o  ! -f meltbuild-sources/[+base+]+meltdesc.c \
       -o meltbuild-sources/[+base+]+meltdesc.c -ot meltbuild-final-translator.stamp \
       -o meltbuild-sources/[+base+]+meltdesc.c -ot  meltbuild-sources/[+base+].melt \
[+FOR melt_application_file+][+IF (< (for-index) apindex)+] -o meltbuild-sources/[+base+]+meltdesc.c -ot meltbuild-sources/[+(. apbase)+]+meltdesc.c \
[+ENDIF+][+ENDFOR melt_application_file+] ]; then
      meltbuild_info [+(.(fromline))+] emit application C code for [+base+]
      meltbuild_emit [+(.(fromline))+] \
	  translatefile \
	  [+base+] \
	  meltbuild-sources \
	  meltbuild-modules \
	  [+FOR melt_translator_file ":"+][+base+].optimized[+ENDFOR melt_translator_file+][+FOR melt_application_file+][+IF (< (for-index) apindex)+]:[+base+].quicklybuilt[+ENDIF+][+ENDFOR melt_application_file+] \
    "[+FOR includeload " "+][+includeload+][+ENDFOR includeload+]" \
	  || meltbuild_error [+(.(fromline))+] failed to generate C code of application [+base+]
  else
      meltbuild_info [+(.(fromline))+] DONT emit application C code for [+base+]
  fi
  local meltapp_[+varsuf+]_cumulmd5=$(cat  meltbuild-sources/[+base+].cc meltbuild-sources/[+base+]+[0-9][0-9].cc  | $MD5SUM | cut -b 1-32)
 [+FOR flavor IN quicklybuilt optimized debugnoline+]
  if [ ! -f meltbuild-modules/[+base+].meltmod-$meltapp_[+varsuf+]_cumulmd5.[+flavor+].so \
      -o meltbuild-modules/[+base+].meltmod-$meltapp_[+varsuf+]_cumulmd5.[+flavor+].so -ot  meltbuild-final-translator.stamp \
      -o  meltbuild-modules/[+base+].meltmod-$meltapp_[+varsuf+]_cumulmd5.[+flavor+].so -ot  meltbuild-sources/[+base+].cc \
      -o  meltbuild-modules/[+base+].meltmod-$meltapp_[+varsuf+]_cumulmd5.[+flavor+].so -ot  meltbuild-sources/[+base+]+meltdesc.c ]; then
      meltbuild_info [+(.(fromline))+] compiling application module for [+base+] [+flavor+]
      $GCCMELT_MAKE -f $GCCMELT_MODULE_MK melt_module \
	  GCCMELT_FROM=[+(.(fromline))+] \
	  GCCMELT_MODULE_WORKSPACE=meltbuild-workdir \
	  GCCMELT_MODULE_FLAVOR=[+flavor+] \
	  GCCMELT_COMPILER="$GCCMELT_COMPILER" \
	  GCCMELT_CFLAGS="$GCCMELT_COMPILER_FLAGS" \
	  GCCMELT_MODULE_SOURCEBASE=meltbuild-sources/[+base+] \
	  GCCMELT_MODULE_BINARYBASE=meltbuild-modules/[+base+] \
	  || ( meltbuild_notice [+(.(fromline))+] in meltbuild-modules failure to compile application [+base+] [+flavor+] ; \
	       $GCCMELT_MAKE -f $GCCMELT_MODULE_MK melt_module \
			     GCCMELT_FROM=[+(.(fromline))+] \
			     GCCMELT_MODULE_WORKSPACE=meltbuild-workdir \
			     GCCMELT_MODULE_FLAVOR=[+flavor+] \
			     GCCMELT_COMPILER="$GCCMELT_COMPILER" \
			     GCCMELT_CFLAGS="$GCCMELT_COMPILER_FLAGS -DMELTGCC_NOLINENUMBERING" \
			     GCCMELT_MODULE_SOURCEBASE=meltbuild-sources/[+base+] \
			     GCCMELT_MODULE_BINARYBASE=meltbuild-modules/[+base+] ; \
	       meltbuild_error  [+(.(fromline))+] in meltbuild-modules failed to compile application [+base+] [+flavor+] \
				"($GCCMELT_MAKE -f $GCCMELT_MODULE_MK)" compiler $GCCMELT_COMPILER_FLAGS cflags $GCCMELT_COMPILER_FLAGS )
	       else
      meltbuild_info [+(.(fromline))+] not compiling application module for [+base+] [+flavor+]
  fi
 [+ENDFOR flavor+]
[+ENDFOR melt_application_file+]
  ## meltbuild_do_applications [+base+] [+(.(fromline))+]
  local meltappstamptemp=$melt_final_application_stamp-tmp$$
  echo "///MELT application time stamp $melt_final_application_stamp" > $meltappstamptemp
  echo $GCCMELT_RUNTIME_DEPENDENCY_MD5SUM $GCCMELT_RUNTIME_DEPENDENCY >>  $meltappstamptemp
[+FOR melt_application_file+]
  $MD5SUM meltbuild-sources/[+base+].melt >>  $meltappstamptemp
  $MD5SUM meltbuild-sources/[+base+].cc meltbuild-sources/[+base+]+[0-9][0-9].cc  >> $meltappstamptemp
 [+FOR flavor IN quicklybuilt optimized debugnoline+]
  $MD5SUM meltbuild-modules/[+base+].meltmod-$meltapp_[+varsuf+]_cumulmd5.[+flavor+].so >> $meltappstamptemp
 [+ENDFOR flavor+]
[+ENDFOR melt_application_file+]
  echo "///end stamp $melt_final_application_stamp"  >> $meltappstamptemp
  $GCCMELT_MOVE_IF_CHANGE $meltappstamptemp  $melt_final_application_stamp
meltbuild_info [+(.(fromline))+] times after applications at `date '+%x %H:%M:%S'`: ;  times >&2
} ## end meltbuild_do_applications  [+(.(fromline))+]

if [ ! -f  "$melt_final_application_stamp" \
     -o "$melt_final_application_stamp" -ot "$melt_final_translator_stamp" \
[+FOR melt_application_file+] -o "$melt_final_application_stamp" -ot "$GCCMELT_MELTSOURCEDIR/[+base+].melt" \
[+ENDFOR melt_application_file+] ]; then
    meltbuild_info [+(.(fromline))+] building MELT applications
    meltbuild_do_applications
else
    meltbuild_info [+(.(fromline))+] not building MELT applications because of applstamp  "$melt_final_application_stamp"
fi

################################################################
#@ [+(.(fromline))+]
if [ "$melt_overall_goal" = "applications" ]; then
    meltbuild_info [+(.(fromline))+] done applications overall goal with stamp  $melt_final_translator_stamp
    meltbuild_notice 'Done applications' [+(.(fromline))+] applications overall goal 
    exit 0
fi
################################################################
################################################################
### the modules lists [+ (. (fromline))+]
[+FOR flavor in quicklybuilt optimized debugnoline+]
if [ ! -f "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis" \
    -o "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis" -ot $melt_final_translator_stamp \
    -o "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis" -ot $melt_final_application_stamp ]; then
  #  [+ (. (fromline))+] module list [+flavor+]
  meltbuild_info  [+(.(fromline))+] generating module list  "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis"
  melt_modlis_temp="meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis-tmp$$"
  echo "# MELT module list file $MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis" >> $melt_modlis_temp
  echo "# MELT translator modules:" >> $melt_modlis_temp
 [+FOR melt_translator_file+] 
  echo [+base+].[+flavor+] >> $melt_modlis_temp
 [+ENDFOR melt_translator_file+]
  #@  [+ (. (fromline))+]
  echo "# MELT application modules:" >> $melt_modlis_temp
 [+FOR melt_application_file+]
  echo [+base+].[+flavor+] >> $melt_modlis_temp
 [+ENDFOR melt_application_file+]
  $GCCMELT_MOVE_IF_CHANGE $melt_modlis_temp  "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis"
else
  meltbuild_info  [+(.(fromline))+] keeping module list  "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.[+flavor+].modlis"  
fi
[+ENDFOR flavor+]

#@ [+ (. (fromline))+]
if [ ! -f "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.modlis" ]; then
   meltbuild_symlink "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.optimized.modlis" "meltbuild-sources/$MELTGCCBUILTIN_DEFAULT_MODLIS.modlis"
fi

################################################################
#@ [+(.(fromline))+] module lists
if [ "$melt_overall_goal" = "modlists" ]; then
    meltbuild_info [+(.(fromline))+] done modlists overall goal with stamp  $melt_final_application_stamp
    exit 0
fi




################################################################
#@ [+(.(fromline))+] runtime self check

##  [+(.(fromline))+] FIXME: should skip that when cross-compiler MELT plugin..

if [ -z "$GCCMELT_RUNTIME_CC" ]; then 
    meltbuild_error [+(.(fromline))+] failed because no GCCMELT_RUNTIME_CC shell variable
    exit 1
fi

meltcheckruntime_stamp=meltbuild-checkruntime.stamp
if [ ! -f $meltcheckruntime_stamp -o $meltcheckruntime_stamp -ot "$GCCMELT_RUNTIME_ARGS" \
    -o $meltcheckruntime_stamp -ot "$GCCMELT_RUNTIME_CC" \
    -o $meltcheckruntime_stamp -ot $melt_final_application_stamp ]; then
    #@ [+(.(fromline))+] checkruntime
    if [ -f melt-no-check-runtime -o -n "$MELTGCC_NO_CHECK_RUNTIME" -o ! -f melt-runtime.i ]; then
	meltbuild_info [+(.(fromline))+] skipping check of MELT runtime
    else
	meltcheckruntime_args=meltbuild-checkruntime.args 
	meltcheckruntime_argstemp=$meltcheckruntime_args-tmp$$
	echo ' -DGCCMELT_FROM_ARG="[+(.(fromline))+]"' ' -DGCCMELT_CHECKMELTRUNTIME' > $meltcheckruntime_argstemp
	meltbuild_arg mode=meltframe >> $meltcheckruntime_argstemp
	meltbuild_arg workdir=meltbuild-workdir >>  $meltcheckruntime_argstemp
	meltbuild_arg tempdir=meltbuild-tempdir >> $meltcheckruntime_argstemp
	meltbuild_arg source-path=meltbuild-sources >> $meltcheckruntime_argstemp
	meltbuild_arg module-path=meltbuild-modules >> $meltcheckruntime_argstemp
	meltbuild_arg "module-cflags=\"$GCCMELT_COMPILER_FLAGS\"" >> $meltcheckruntime_argstemp
	meltbuild_arg bootstrapping  >> $meltcheckruntime_argstemp
	echo ' -o /dev/null' >> $meltcheckruntime_argstemp
	echo melt-runtime.i >> $meltcheckruntime_argstemp
	$GCCMELT_MOVE_IF_CHANGE  $meltcheckruntime_argstemp $meltcheckruntime_args
	[ -f "$meltcheckruntime_args" ] || meltbuild_error  [+(.(fromline))+] missing check runtime args  "$meltcheckruntime_args"
	meltbuild_info [+(.(fromline))+] $meltcheckruntime_args  is
	cat $meltcheckruntime_args < /dev/null >&2
	if [ -n "$MELTGCCBUILTIN_BUILD_WITH_CXX" ]; then
	    $GCCMELT_CC1PLUS_PREFIX $GCCMELT_CC1PLUS @$meltcheckruntime_args \
		|| meltbuild_error [+(.(fromline))+] failed  $GCCMELT_CC1PLUS with arguments @$meltcheckruntime_args
	else
	    $GCCMELT_CC1PLUS_PREFIX $GCCMELT_CC1PLUS @$meltcheckruntime_args \
		|| meltbuild_error [+(.(fromline))+] failed  $GCCMELT_CC1PLUS with arguments @$meltcheckruntime_args
	fi
	meltbuild_info [+(.(fromline))+] done check runtime with $meltcheckruntime_args
    fi

   #@ [+(.(fromline))+] checkhello
    meltcheckhelloworld_args=meltbuild-checkhelloworld.args 
    meltcheckhelloworld_argstemp=$meltcheckhelloworld_args-tmp$$
    echo ' -DGCCMELT_FROM_ARG="[+(.(fromline))+]"' > $meltcheckhelloworld_argstemp
    meltbuild_arg mode=runfile >> $meltcheckhelloworld_argstemp
    meltbuild_arg workdir=meltbuild-workdir >>  $meltcheckhelloworld_argstemp
    meltbuild_arg module-makefile=$GCCMELT_MODULE_MK >>  $meltcheckhelloworld_argstemp
    meltbuild_arg tempdir=meltbuild-tempdir >> $meltcheckhelloworld_argstemp
    meltbuild_arg source-path=meltbuild-sources >> $meltcheckhelloworld_argstemp
    meltbuild_arg module-path=meltbuild-modules >> $meltcheckhelloworld_argstemp
    meltbuild_arg "module-cflags=\"$GCCMELT_COMPILER_FLAGS\"" >> $meltcheckhelloworld_argstemp
    date +'(code_chunk hello%j #{puts("hello world from MELT %F @" __TIME__"\n")}#)' > meltbuild-hello.melt-tmp$$
    $GCCMELT_MOVE_IF_CHANGE meltbuild-hello.melt-tmp$$  meltbuild-hello.melt
    meltbuild_arg arg=meltbuild-hello.melt >> $meltcheckhelloworld_argstemp
    echo ' meltbuild-empty-file.c -o /dev/null' >> $meltcheckhelloworld_argstemp
    cat $GCCMELT_HELLOWORLD_ARGS < /dev/null >>  $meltcheckhelloworld_argstemp
    $GCCMELT_MOVE_IF_CHANGE  $meltcheckhelloworld_argstemp $meltcheckhelloworld_args
    [ -f "$meltcheckhelloworld_args" ] || meltbuild_error  [+(.(fromline))+] missing check helloworld args  "$meltcheckhelloworld_args"
   meltbuild_info [+(.(fromline))+] $meltcheckhelloworld_args  is
   cat $meltcheckhelloworld_args < /dev/null >&2
    $GCCMELT_CC1PLUS_PREFIX $GCCMELT_CC1PLUS @$meltcheckhelloworld_args \
	|| meltbuild_error [+(.(fromline))+] running helloworld failed with arguments @$meltcheckhelloworld_args
   meltbuild_info [+(.(fromline))+] done check helloworld with $meltcheckhelloworld_args
   #@ [+(.(fromline))+] runtime stamp
    meltcheckruntime_stamptemp=$meltcheckruntime_stamp-tmp$$
    [ -f "$GCCMELT_RUNTIME_CC" ] || meltbuild_error [+(.(fromline))+] missing MELT runtime C++ file $GCCMELT_RUNTIME_CC
    echo "/// MELT check runtime timestamp file $meltcheckruntime_stamp" > $meltcheckruntime_stamptemp
    echo $GCCMELT_RUNTIME_DEPENDENCY_MD5SUM $GCCMELT_RUNTIME_DEPENDENCY >> $meltcheckruntime_stamptemp
    $MD5SUM $GCCMELT_RUNTIME_CC < /dev/null >>  $meltcheckruntime_stamptemp
    $MD5SUM meltbuild-hello.melt < /dev/null >>  $meltcheckruntime_stamptemp
    [ -f "$melt_final_translator_stamp" ] || meltbuild_error [+(.(fromline))+] missing final translator stamp "$melt_final_translator_stamp"
    [ -f "$melt_final_application_stamp" ] || meltbuild_error [+(.(fromline))+] missing final application stamp "$melt_final_application_stamp"
    grep meltbuild-modules/ "$melt_final_translator_stamp" "$melt_final_application_stamp" < /dev/null >>   $meltcheckruntime_stamptemp
    echo "///end timestamp file $meltcheckruntime_stamp" >>   $meltcheckruntime_stamptemp
    $GCCMELT_MOVE_IF_CHANGE  $meltcheckruntime_stamptemp $meltcheckruntime_stamp
    meltbuild_info [+(.(fromline))+] done check runtime  $meltcheckruntime_stamp
else
    meltbuild_info [+(.(fromline))+] keeping runtime checks  $meltcheckruntime_stamp
fi

if [ "$melt_overall_goal" = "checkruntime" ]; then
    meltbuild_info [+(.(fromline))+] done checkruntime overall goal with stamp  $meltcheckruntime_stamp
    exit 0
fi
################################################################
################################################################
#@ [+(.(fromline))+]
if [ "$melt_overall_goal" = "regenerate" ]; then
    meltbuild_notice regenerating runtime support [+(.(fromline))+] 
    [ -d meltbuild-sources/generated ] || mkdir meltbuild-sources/generated
    meltregen_args=meltbuild-regen.args
    meltregen_argstemp="$meltregen_args-tmp$$"
    echo ' -DGCCMELT_FROM_ARG="[+(.(fromline))+]"' > $meltregen_argstemp
   meltbuild_arg mode=runtypesupport >> $meltregen_argstemp
    meltbuild_arg output=meltbuild-sources/generated/meltrunsup >> $meltregen_argstemp
    meltbuild_arg workdir=meltbuild-workdir >>  $meltregen_argstemp
    meltbuild_arg tempdir=meltbuild-tempdir >> $meltregen_argstemp
    meltbuild_arg source-path=meltbuild-sources >> $meltregen_argstemp
    meltbuild_arg module-path=meltbuild-modules >> $meltregen_argstemp
    meltbuild_arg bootstrapping  >> $meltregen_argstemp
    echo meltbuild-empty-file.c >> $meltregen_argstemp
    $GCCMELT_MOVE_IF_CHANGE  $meltregen_argstemp $meltregen_args
   meltbuild_info [+(.(fromline))+] $meltregen_args  is
   cat $meltregen_args < /dev/null >&2
    $GCCMELT_CC1PLUS_PREFIX $GCCMELT_CC1PLUS @$meltregen_args \
	|| meltbuild_error [+(.(fromline))+] failed with arguments @$meltregen_args
    meltbuild_info [+(.(fromline))+] done regenerate overall goal
    exit 0
fi

################################################################
################################################################
### the generated documentation meltgendoc.texi [+ (. (fromline))+]

if [   ! -f meltgendoc.texi [+FOR melt_translator_file " \\\n"+] -o meltbuild-sources/[+base+].melt -nt meltgendoc.texi [+ENDFOR melt_translator_file+] \
 [+FOR melt_application_file " \\\n"+] -o meltbuild-sources/[+base+].melt -nt meltgendoc.texi [+ENDFOR melt_application_file+]  ]; then
   meltbuild_info [+(.(fromline))+] generating meltgendoc.texi
   meltgen_args=meltbuild-gendoc.args-tmp$$
   echo ' -DGCCMELT_FROM_ARG="[+(.(fromline))+]"' > $meltgen_args
   meltbuild_arg mode=makedoc >> $meltgen_args
   meltbuild_arg output=meltgendoc.texi >> $meltgen_args
   meltbuild_arg init=@$MELTGCCBUILTIN_DEFAULT_MODLIS.quicklybuilt >> $meltgen_args
   meltbuild_arg workdir=meltbuild-workdir >>  $meltgen_args
   meltbuild_arg tempdir=meltbuild-tempdir >> $meltgen_args
   meltbuild_arg source-path=meltbuild-sources >> $meltgen_args
   meltbuild_arg module-path=meltbuild-modules >> $meltgen_args
meltbuild_arg "module-cflags=\"$GCCMELT_COMPILER_FLAGS\"" >> $meltgen_args
meltbuild_arg "module-makefile=\"$GCCMELT_MODULE_MK\""  >>  $meltgen_args
   meltbuild_arg bootstrapping  >> $meltgen_args 
   meltbuild_arg arglist=[+FOR melt_translator_file ","+][+base+].melt[+ENDFOR melt_translator_file+],[+FOR melt_application_file ","+][+base+].melt[+ENDFOR melt_application_file+]  >> $meltgen_args 
   echo meltbuild-empty-file.c >> $meltgen_args
   $GCCMELT_MOVE_IF_CHANGE  $meltgen_args meltbuild-gendoc.args
   meltbuild_info [+(.(fromline))+]  meltbuild-gendoc.args is
   cat meltbuild-gendoc.args < /dev/null >&2
   $GCCMELT_CC1PLUS_PREFIX $GCCMELT_CC1PLUS @meltbuild-gendoc.args \
     || meltbuild_error [+(.(fromline))+]  "$GCCMELT_CC1PLUS" failed with arguments @meltbuild-gendoc.args
else
   meltbuild_info [+(.(fromline))+] keeping meltgendoc.texi
fi

################
meltbuild_info [+(.(fromline))+] successfully done with times at `date '+%x %H:%M:%S'`: ; times >&2

################################################################
#@ [+(.(fromline))+]
if [ "$melt_overall_goal" = "gendoc" ]; then
    meltbuild_info [+(.(fromline))+] done gendoc overall goal with stamp  $melt_final_translator_stamp
    exit 0
fi

## #@ [+(.(fromline))+] if we get here something is wrong in this script
meltbuild_error  [+(.(fromline))+] unexpected MELT overall goal "$melt_overall_goal" buggy melt-build-script.tpl
#@ eof [+(.(fromline))+] end of generated melt-build-script.sh