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-rwxr-xr-xmissing129
1 files changed, 73 insertions, 56 deletions
diff --git a/missing b/missing
index 25c9667..64b5f90 100755
--- a/missing
+++ b/missing
@@ -1,6 +1,10 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
-# Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
+
+scriptversion=2004-09-07.08
+
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004
+# Free Software Foundation, Inc.
# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
@@ -38,18 +42,24 @@ else
configure_ac=configure.in
fi
+msg="missing on your system"
+
case "$1" in
--run)
# Try to run requested program, and just exit if it succeeds.
run=
shift
"$@" && exit 0
+ # Exit code 63 means version mismatch. This often happens
+ # when the user try to use an ancient version of a tool on
+ # a file that requires a minimum version. In this case we
+ # we should proceed has if the program had been absent, or
+ # if --run hadn't been passed.
+ if test $? = 63; then
+ run=:
+ msg="probably too old"
+ fi
;;
-esac
-
-# If it does not exist, or fails to run (possibly an outdated version),
-# try to emulate it.
-case "$1" in
-h|--h|--he|--hel|--help)
echo "\
@@ -74,11 +84,15 @@ Supported PROGRAM values:
lex create \`lex.yy.c', if possible, from existing .c
makeinfo touch the output file
tar try tar, gnutar, gtar, then tar without non-portable flags
- yacc create \`y.tab.[ch]', if possible, from existing .[ch]"
+ yacc create \`y.tab.[ch]', if possible, from existing .[ch]
+
+Send bug reports to <bug-automake@gnu.org>."
+ exit 0
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
- echo "missing 0.4 - GNU automake"
+ echo "missing $scriptversion (GNU Automake)"
+ exit 0
;;
-*)
@@ -87,14 +101,44 @@ Supported PROGRAM values:
exit 1
;;
- aclocal*)
+esac
+
+# Now exit if we have it, but it failed. Also exit now if we
+# don't have it and --version was passed (most likely to detect
+# the program).
+case "$1" in
+ lex|yacc)
+ # Not GNU programs, they don't have --version.
+ ;;
+
+ tar)
+ if test -n "$run"; then
+ echo 1>&2 "ERROR: \`tar' requires --run"
+ exit 1
+ elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+ exit 1
+ fi
+ ;;
+
+ *)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
+ elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+ # Could not run --version or --help. This is probably someone
+ # running `$TOOL --version' or `$TOOL --help' to check whether
+ # $TOOL exists and not knowing $TOOL uses missing.
+ exit 1
fi
+ ;;
+esac
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
+case "$1" in
+ aclocal*)
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified \`acinclude.m4' or \`${configure_ac}'. You might want
to install the \`Automake' and \`Perl' packages. Grab them from
any GNU archive site."
@@ -102,13 +146,8 @@ WARNING: \`$1' is missing on your system. You should only need it if
;;
autoconf)
- if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
- # We have it, but it failed.
- exit 1
- fi
-
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified \`${configure_ac}'. You might want to install the
\`Autoconf' and \`GNU m4' packages. Grab them from any GNU
archive site."
@@ -116,13 +155,8 @@ WARNING: \`$1' is missing on your system. You should only need it if
;;
autoheader)
- if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
- # We have it, but it failed.
- exit 1
- fi
-
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified \`acconfig.h' or \`${configure_ac}'. You might want
to install the \`Autoconf' and \`GNU m4' packages. Grab them
from any GNU archive site."
@@ -140,13 +174,8 @@ WARNING: \`$1' is missing on your system. You should only need it if
;;
automake*)
- if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
- # We have it, but it failed.
- exit 1
- fi
-
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
You might want to install the \`Automake' and \`Perl' packages.
Grab them from any GNU archive site."
@@ -156,14 +185,9 @@ WARNING: \`$1' is missing on your system. You should only need it if
;;
autom4te)
- if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
- # We have it, but it failed.
- exit 1
- fi
-
echo 1>&2 "\
-WARNING: \`$1' is needed, and you do not seem to have it handy on your
- system. You might have modified some files without having the
+WARNING: \`$1' is needed, but is $msg.
+ You might have modified some files without having the
proper tools for further handling them.
You can get \`$1' as part of \`Autoconf' from any GNU
archive site."
@@ -185,7 +209,7 @@ WARNING: \`$1' is needed, and you do not seem to have it handy on your
bison|yacc)
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' $msg. You should only need it if
you modified a \`.y' file. You may need the \`Bison' package
in order for those modifications to take effect. You can get
\`Bison' from any GNU archive site."
@@ -215,7 +239,7 @@ WARNING: \`$1' is missing on your system. You should only need it if
lex|flex)
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified a \`.l' file. You may need the \`Flex' package
in order for those modifications to take effect. You can get
\`Flex' from any GNU archive site."
@@ -237,13 +261,8 @@ WARNING: \`$1' is missing on your system. You should only need it if
;;
help2man)
- if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
- # We have it, but it failed.
- exit 1
- fi
-
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified a dependency of a manual page. You may need the
\`Help2man' package in order for those modifications to take
effect. You can get \`Help2man' from any GNU archive site."
@@ -262,13 +281,8 @@ WARNING: \`$1' is missing on your system. You should only need it if
;;
makeinfo)
- if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
- # We have makeinfo, but it failed.
- exit 1
- fi
-
echo 1>&2 "\
-WARNING: \`$1' is missing on your system. You should only need it if
+WARNING: \`$1' is $msg. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
@@ -284,10 +298,6 @@ WARNING: \`$1' is missing on your system. You should only need it if
tar)
shift
- if test -n "$run"; then
- echo 1>&2 "ERROR: \`tar' requires --run"
- exit 1
- fi
# We have already tried tar in the generic part.
# Look for gnutar/gtar before invocation to avoid ugly error
@@ -323,10 +333,10 @@ WARNING: I can't seem to be able to run \`tar' with the given arguments.
*)
echo 1>&2 "\
-WARNING: \`$1' is needed, and you do not seem to have it handy on your
- system. You might have modified some files without having the
+WARNING: \`$1' is needed, and is $msg.
+ You might have modified some files without having the
proper tools for further handling them. Check the \`README' file,
- it often tells you about the needed prerequirements for installing
+ it often tells you about the needed prerequisites for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
@@ -334,3 +344,10 @@ WARNING: \`$1' is needed, and you do not seem to have it handy on your
esac
exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End: