summaryrefslogtreecommitdiffstats
path: root/missing
diff options
context:
space:
mode:
Diffstat (limited to 'missing')
-rwxr-xr-xmissing60
1 files changed, 57 insertions, 3 deletions
diff --git a/missing b/missing
index 7789652..c60e9d7 100755
--- a/missing
+++ b/missing
@@ -1,7 +1,7 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
-# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
-# Franc,ois Pinard <pinard@iro.umontreal.ca>, 1996.
+# Copyright (C) 1996, 1997, 1999 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
# it under the terms of the GNU General Public License as published by
@@ -23,6 +23,19 @@ if test $# -eq 0; then
exit 1
fi
+run=:
+
+case "$1" in
+--run)
+ # Try to run requested program, and just exit if it succeeds.
+ run=
+ shift
+ "$@" && exit 0
+ ;;
+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+# If it does not exist, or fails to run (possibly an outdated version),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)
@@ -35,6 +48,7 @@ error status if there is no known handling for PROGRAM.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
+ --run try to run the given command, and emulate it if it fails
Supported PROGRAM values:
aclocal touch file \`aclocal.m4'
@@ -45,11 +59,12 @@ Supported PROGRAM values:
flex create \`lex.yy.c', if possible, from existing .c
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]"
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
- echo "missing - GNU libit 0.0"
+ echo "missing 0.2 - GNU automake"
;;
-*)
@@ -175,6 +190,45 @@ WARNING: \`$1' is missing on your system. You should only need it if
touch $file
;;
+ tar)
+ shift
+ if test -n "$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
+ # messages.
+ if (gnutar --version > /dev/null 2>&1); then
+ gnutar ${1+"$@"} && exit 0
+ fi
+ if (gtar --version > /dev/null 2>&1); then
+ gtar ${1+"$@"} && exit 0
+ fi
+ firstarg="$1"
+ if shift; then
+ case "$firstarg" in
+ *o*)
+ firstarg=`echo "$firstarg" | sed s/o//`
+ tar "$firstarg" ${1+"$@"} && exit 0
+ ;;
+ esac
+ case "$firstarg" in
+ *h*)
+ firstarg=`echo "$firstarg" | sed s/h//`
+ tar "$firstarg" ${1+"$@"} && exit 0
+ ;;
+ esac
+ fi
+
+ echo 1>&2 "\
+WARNING: I can't seem to be able to run \`tar' with the given arguments.
+ You may want to install GNU tar or Free paxutils, or check the
+ command line arguments."
+ exit 1
+ ;;
+
*)
echo 1>&2 "\
WARNING: \`$1' is needed, and you do not seem to have it handy on your