dunecontrol: Remove `m4create` command

The `m4create` command was only useful for modules using autotools.

bin/dunecontrol

@@ -1030,152 +1030,6 @@ case "$command" in
       echo "  $mod (suggested)"
     done
     ;;
-  m4create)
-    find_modules_in_path
-    if test "x$SEARCH_MODULES" == "x"; then
-      echo "ERROR: m4create requires an explicit --module=... parameter"  >&2
-      exit 1
-    fi
-    mainmod=`echo $SEARCH_MODULES`
-    eval mainmodpath="\$PATH_$mainmod"
-    fname="$mainmodpath/dependencies.m4"
-    name=`eval echo \\${NAME_$mainmod}`
-    version=`eval echo \\${VERS_$mainmod}`
-    maintainer=`eval echo \\${MAIN_$mainmod}`
-    # get dependencies
-    eval deps=\$DEPS_$mainmod
-    #initially remove leading space
-    deps=`echo "$deps" | $SED 's/^ *//'`
-    while test -n "$deps"; do
-      #the end of the name is marked either by space, opening paren
-      #or comma
-      depname="${deps%%[ (,]*}"
-      #remove the name and adjacent whitespace
-      deps=`echo "$deps" | $SED 's/^[^ (,]* *//'`
-      #check whether there is a dependency version
-      case "$deps" in
-      '('*) deps="${deps#(}"
-            depver="${deps%%)*}"
-            deps="${deps#*)}"
-            ;;
-      *)    depver=
-            ;;
-      esac
-      #remove any leading whitespace or commas for te next iteration
-      deps=`echo "$deps" | $SED 's/^[, ]*//'`
-
-      requires="$requires $depname $depver "
-    done
-    # get suggestions
-    eval sugs=\$SUGS_$mainmod
-    #initially remove leading space
-    sugs=`echo "$sugs" | $SED 's/^ *//'`
-    while test -n "$sugs"; do
-      #the end of the name is marked either by space, opening paren
-      #or comma
-      sugsname="${sugs%%[ (,]*}"
-      #remove the name and adjacent whitespace
-      sugs=`echo "$sugs" | $SED 's/^[^ (,]* *//'`
-      #check whether there is a dependency version
-      case "$sugs" in
-      '('*) sugs="${sugs#(}"
-            sugsver="${sugs%%)*}"
-            sugs="${sugs#*)}"
-            ;;
-      *)    sugver=
-            ;;
-      esac
-      #remove any leading whitespace or commas for te next iteration
-      sugs=`echo "$sugs" | $SED 's/^[, ]*//'`
-
-      suggests="$suggests $sugsname"
-      suggestsall="$suggestsall $sugsname $sugsver "
-    done
-    # ensure a version number
-    if test "x$version" = "x"; then version="0.0"; fi
-    echo "writing $fname"
-    echo "    for $name $version $maintainer"
-    echo "        requires $requires"
-    echo "        suggests $suggestsall"
-      AC_MACRO_DIR="."
-      test ! -d m4 || AC_MACRO_DIR=m4
-    cat > "$fname" <<EOF
-# dependencies.m4 generated by dunecontrol
-
-m4_define([DUNE_AC_INIT],[
-  AC_INIT([$name], [$version], [$maintainer])
-  AM_INIT_AUTOMAKE([foreign 1.9 tar-pax])
-  m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([no])])
-  AC_SUBST([DUNE_MOD_VERSION], [$version])
-  AC_SUBST([DUNE_MOD_NAME], [$name])
-  AC_SUBST([DUNE_MAINTAINER_NAME], ["$maintainer"])
-  DUNE_PARSE_MODULE_VERSION([$name], [$version])
-  REQUIRES="$requires"
-  AC_SUBST(REQUIRES, [$REQUIRES])
-  AC_CONFIG_MACRO_DIR([$AC_MACRO_DIR])
-])
-
-AC_DEFUN([DUNE_CHECK_MOD_DEPENDENCIES], [
-EOF
-    ### initialize AM_CONDITIONAL for suggestions that were not found
-    for name in $suggests; do
-      mod=$(fix_variable_name $name)
-      MOD=`echo $mod | tr [:lower:] [:upper:]`
-      if test "x$(eval echo \$HAVE_$mod)" = "x"; then
-        cat >> "$fname" <<EOF
-  ### add a conditional check for $name,
-  # just in case the module is not available at autogen time
-  AM_CONDITIONAL([HAVE_${MOD}], false)
-EOF
-      fi
-    done
-    ### ANALYSE MODULE
-    sort_modules $mainmod
-    ### DEPENDENCIES
-    for mod in $SORTEDMODULES_DEPS; do
-      name=`eval echo \\$NAME_$mod`
-      MOD=`echo $mod | tr [:lower:] [:upper:]`
-      cat >> "$fname" <<EOF
-  ### check dependency $name
-  # invoke checks required by this module
-  AC_REQUIRE([${MOD}_CHECKS])
-  # invoke check for this module
-  AC_REQUIRE([${MOD}_CHECK_MODULE])
-  if test x\$with_$mod = xno; then
-    AC_MSG_ERROR([could not find required module _dune_name])
-  fi
-EOF
-    done
-    ###
-    for mod in $SORTEDMODULES_SUGS; do
-      name=`eval echo \\$NAME_$mod`
-      MOD=`echo $mod | tr [:lower:] [:upper:]`
-      cat >> "$fname" <<EOF
-  ### check suggestion $name
-  # invoke checks required by this module
-  AC_REQUIRE([${MOD}_CHECKS])
-  # invoke check for this module
-  AC_REQUIRE([${MOD}_CHECK_MODULE])
-  if test x\$with_$mod = xno; then
-    AC_MSG_WARN([could not find suggested module _dune_name])
-  fi
-EOF
-    done
-    ###
-    # only test for the module if we really define our own checks
-    if test -d m4; then
-      mod=$mainmod
-      name=`eval echo \\$NAME_$mod`
-      MOD=`echo $mod | tr [:lower:] [:upper:]`
-      cat >> "$fname" <<EOF
-  ### invoke checks for $name
-  AC_REQUIRE([${MOD}_CHECKS])
-EOF
-    fi
-    cat >> "$fname" <<EOF
-])
-EOF
-  ;;
   unexport)
     echo export DUNE_CONTROL_PATH=""
   ;;