common/autoconf/help.m4

*** 176,194 ****
  
    printf "\n"
    printf "====================================================\n"
    if test "x$no_create" != "xyes"; then
      if test "x$IS_RECONFIGURE" != "xyes"; then
!       printf "A new configuration has been successfully created in\n %s\n" "$OUTPUT_ROOT"
      else
!       printf "The existing configuration has been successfully updated in\n %s\n" "$OUTPUT_ROOT"
      fi
    else
      if test "x$IS_RECONFIGURE" != "xyes"; then
        printf "A configuration has been successfully checked but not created\n"
      else
!       printf "The existing configuration has been successfully checked in\n %s\n" "$OUTPUT_ROOT"
      fi
    fi
    if test "x$CONFIGURE_COMMAND_LINE" != x; then
      printf "using configure arguments '$CONFIGURE_COMMAND_LINE'.\n"
    else
--- 176,194 ----
  
    printf "\n"
    printf "====================================================\n"
    if test "x$no_create" != "xyes"; then
      if test "x$IS_RECONFIGURE" != "xyes"; then
!       printf "A new configuration has been successfully created in\n%s\n" "$OUTPUT_ROOT"
      else
!       printf "The existing configuration has been successfully updated in\n%s\n" "$OUTPUT_ROOT"
      fi
    else
      if test "x$IS_RECONFIGURE" != "xyes"; then
        printf "A configuration has been successfully checked but not created\n"
      else
!       printf "The existing configuration has been successfully checked in\n%s\n" "$OUTPUT_ROOT"
      fi
    fi
    if test "x$CONFIGURE_COMMAND_LINE" != x; then
      printf "using configure arguments '$CONFIGURE_COMMAND_LINE'.\n"
    else
*** 255,259 ****
--- 255,273 ----
      printf "WARNING: The result of this configuration was not saved.\n"
      printf "You should run without '--no-create | -n' to create the configuration.\n"
      printf "\n"
    fi
  ])
+ 
+ AC_DEFUN_ONCE([HELP_REPEAT_WARNINGS],
+ [
+ if test -e "$OUTPUT_ROOT/config.log"; then
+   $GREP '^configure:.*: WARNING:' "$OUTPUT_ROOT/config.log" > /dev/null 2>&1
+   if test $? -eq 0; then
+     printf "The following warnings were produced. Repeated here for convenience:\n"
+     # We must quote sed expression (using []) to stop m4 from eating the [].
+     $GREP '^configure:.*: WARNING:' "$OUTPUT_ROOT/config.log" | $SED -e [ 's/^configure:[0-9]*: //' ]
+     printf "\n"
+   fi
+ fi
+ 
+ ])