#! /bin/sh
-# Common stub for a few missing GNU programs while installing.
+# Common wrapper for a few potentially missing GNU programs.
-scriptversion=2009-04-28.21; # UTC
+scriptversion=2013-10-28.13; # UTC
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
-# 2008, 2009 Free Software Foundation, Inc.
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+# Originally written 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
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
- echo 1>&2 "Try \`$0 --help' for more information"
+ echo 1>&2 "Try '$0 --help' for more information"
exit 1
fi
-run=:
-sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
-sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
-
-# In the cases where this matters, `missing' is being run in the
-# srcdir already.
-if test -f configure.ac; then
- configure_ac=configure.ac
-else
- configure_ac=configure.in
-fi
+case $1 in
-msg="missing on your system"
+ --is-lightweight)
+ # Used by our autoconf macros to check whether the available missing
+ # script is modern enough.
+ exit 0
+ ;;
-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
- ;;
+ --run)
+ # Back-compat with the calling convention used by older automake.
+ shift
+ ;;
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
-Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
-error status if there is no known handling for PROGRAM.
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
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'
- autoconf touch file \`configure'
- autoheader touch file \`config.h.in'
- autom4te touch the output file, or create a stub one
- automake touch all \`Makefile.in' files
- bison create \`y.tab.[ch]', if possible, from existing .[ch]
- flex create \`lex.yy.c', if possible, from existing .c
- help2man touch the output file
- 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]
+ aclocal autoconf autoheader autom4te automake makeinfo
+ bison yacc flex lex help2man
-Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
-\`g' are ignored when checking the name.
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
-*)
- echo 1>&2 "$0: Unknown \`$1' option"
- echo 1>&2 "Try \`$0 --help' for more information"
+ echo 1>&2 "$0: unknown '$1' option"
+ echo 1>&2 "Try '$0 --help' for more information"
exit 1
;;
esac
-# normalize program name to check for.
-program=`echo "$1" | sed '
- s/^gnu-//; t
- s/^gnu//; t
- s/^g//; t'`
-
-# 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). This is about non-GNU programs, so use $1 not
-# $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 $program in
- aclocal*)
- echo 1>&2 "\
-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."
- touch aclocal.m4
- ;;
-
- autoconf*)
- echo 1>&2 "\
-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."
- touch configure
- ;;
-
- autoheader*)
- echo 1>&2 "\
-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."
- files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
- test -z "$files" && files="config.h"
- touch_files=
- for f in $files; do
- case $f in
- *:*) touch_files="$touch_files "`echo "$f" |
- sed -e 's/^[^:]*://' -e 's/:.*//'`;;
- *) touch_files="$touch_files $f.in";;
- esac
- done
- touch $touch_files
- ;;
-
- automake*)
- echo 1>&2 "\
-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."
- find . -type f -name Makefile.am -print |
- sed 's/\.am$/.in/' |
- while read f; do touch "$f"; done
- ;;
-
- autom4te*)
- echo 1>&2 "\
-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 \`$1' as part of \`Autoconf' from any GNU
- archive site."
-
- file=`echo "$*" | sed -n "$sed_output"`
- test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
- if test -f "$file"; then
- touch $file
- else
- test -z "$file" || exec >$file
- echo "#! /bin/sh"
- echo "# Created by GNU Automake missing as a replacement of"
- echo "# $ $@"
- echo "exit 0"
- chmod +x $file
- exit 1
- fi
- ;;
-
- bison*|yacc*)
- echo 1>&2 "\
-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."
- rm -f y.tab.c y.tab.h
- if test $# -ne 1; then
- eval LASTARG="\${$#}"
- case $LASTARG in
- *.y)
- SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
- if test -f "$SRCFILE"; then
- cp "$SRCFILE" y.tab.c
- fi
- SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
- if test -f "$SRCFILE"; then
- cp "$SRCFILE" y.tab.h
- fi
- ;;
- esac
- fi
- if test ! -f y.tab.h; then
- echo >y.tab.h
- fi
- if test ! -f y.tab.c; then
- echo 'main() { return 0; }' >y.tab.c
- fi
- ;;
-
- lex*|flex*)
- echo 1>&2 "\
-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."
- rm -f lex.yy.c
- if test $# -ne 1; then
- eval LASTARG="\${$#}"
- case $LASTARG in
- *.l)
- SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
- if test -f "$SRCFILE"; then
- cp "$SRCFILE" lex.yy.c
- fi
- ;;
- esac
- fi
- if test ! -f lex.yy.c; then
- echo 'main() { return 0; }' >lex.yy.c
- fi
- ;;
-
- help2man*)
- echo 1>&2 "\
-WARNING: \`$1' is $msg. You should only need it if
- you modified a dependency of a manual page. You may need the
- \`Help2man' package in order for those modifications to take
- effect. You can get \`Help2man' from any GNU archive site."
-
- file=`echo "$*" | sed -n "$sed_output"`
- test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
- if test -f "$file"; then
- touch $file
- else
- test -z "$file" || exec >$file
- echo ".ab help2man is required to generate this page"
- exit $?
- fi
- ;;
-
- makeinfo*)
- echo 1>&2 "\
-WARNING: \`$1' is $msg. You should only need it if
- you modified a \`.texi' or \`.texinfo' file, or any other file
- indirectly affecting the aspect of the manual. The spurious
- call might also be the consequence of using a buggy \`make' (AIX,
- DU, IRIX). You might want to install the \`Texinfo' package or
- the \`GNU make' package. Grab either from any GNU archive site."
- # The file to touch is that specified with -o ...
- file=`echo "$*" | sed -n "$sed_output"`
- test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
- if test -z "$file"; then
- # ... or it is the one specified with @setfilename ...
- infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
- file=`sed -n '
- /^@setfilename/{
- s/.* \([^ ]*\) *$/\1/
- p
- q
- }' $infile`
- # ... or it is derived from the source name (dir/f.texi becomes f.info)
- test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
- fi
- # If the file does not exist, the user really needs makeinfo;
- # let's fail without touching anything.
- test -f $file || exit 1
- touch $file
- ;;
-
- tar*)
- shift
-
- # We have already tried tar in the generic part.
- # Look for gnutar/gtar before invocation to avoid ugly error
- # messages.
- if (gnutar --version > /dev/null 2>&1); then
- gnutar "$@" && exit 0
- fi
- if (gtar --version > /dev/null 2>&1); then
- gtar "$@" && exit 0
- fi
- firstarg="$1"
- if shift; then
- case $firstarg in
- *o*)
- firstarg=`echo "$firstarg" | sed s/o//`
- tar "$firstarg" "$@" && exit 0
- ;;
- esac
- case $firstarg in
- *h*)
- firstarg=`echo "$firstarg" | sed s/h//`
- tar "$firstarg" "$@" && 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 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 prerequisites for installing
- this package. You may also peek at any GNU archive site, in case
- some other package would contain this missing \`$1' program."
- exit 1
- ;;
-esac
+# Run the given program, remember its exit status.
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch. This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+ msg="probably too old"
+elif test $st -eq 127; then
+ # Program was missing.
+ msg="missing on your system"
+else
+ # Program was found and executed, but failed. Give up.
+ exit $st
+fi
-exit 0
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=http://www.gnu.org/software
+
+program_details ()
+{
+ case $1 in
+ aclocal|automake)
+ echo "The '$1' program is part of the GNU Automake package:"
+ echo "<$gnu_software_URL/automake>"
+ echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+ echo "<$gnu_software_URL/autoconf>"
+ echo "<$gnu_software_URL/m4/>"
+ echo "<$perl_URL>"
+ ;;
+ autoconf|autom4te|autoheader)
+ echo "The '$1' program is part of the GNU Autoconf package:"
+ echo "<$gnu_software_URL/autoconf/>"
+ echo "It also requires GNU m4 and Perl in order to run:"
+ echo "<$gnu_software_URL/m4/>"
+ echo "<$perl_URL>"
+ ;;
+ esac
+}
+
+give_advice ()
+{
+ # Normalize program name to check for.
+ normalized_program=`echo "$1" | sed '
+ s/^gnu-//; t
+ s/^gnu//; t
+ s/^g//; t'`
+
+ printf '%s\n' "'$1' is $msg."
+
+ configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+ case $normalized_program in
+ autoconf*)
+ echo "You should only need it if you modified 'configure.ac',"
+ echo "or m4 files included by it."
+ program_details 'autoconf'
+ ;;
+ autoheader*)
+ echo "You should only need it if you modified 'acconfig.h' or"
+ echo "$configure_deps."
+ program_details 'autoheader'
+ ;;
+ automake*)
+ echo "You should only need it if you modified 'Makefile.am' or"
+ echo "$configure_deps."
+ program_details 'automake'
+ ;;
+ aclocal*)
+ echo "You should only need it if you modified 'acinclude.m4' or"
+ echo "$configure_deps."
+ program_details 'aclocal'
+ ;;
+ autom4te*)
+ echo "You might have modified some maintainer files that require"
+ echo "the 'autom4te' program to be rebuilt."
+ program_details 'autom4te'
+ ;;
+ bison*|yacc*)
+ echo "You should only need it if you modified a '.y' file."
+ echo "You may want to install the GNU Bison package:"
+ echo "<$gnu_software_URL/bison/>"
+ ;;
+ lex*|flex*)
+ echo "You should only need it if you modified a '.l' file."
+ echo "You may want to install the Fast Lexical Analyzer package:"
+ echo "<$flex_URL>"
+ ;;
+ help2man*)
+ echo "You should only need it if you modified a dependency" \
+ "of a man page."
+ echo "You may want to install the GNU Help2man package:"
+ echo "<$gnu_software_URL/help2man/>"
+ ;;
+ makeinfo*)
+ echo "You should only need it if you modified a '.texi' file, or"
+ echo "any other file indirectly affecting the aspect of the manual."
+ echo "You might want to install the Texinfo package:"
+ echo "<$gnu_software_URL/texinfo/>"
+ echo "The spurious makeinfo call might also be the consequence of"
+ echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+ echo "want to install GNU make:"
+ echo "<$gnu_software_URL/make/>"
+ ;;
+ *)
+ echo "You might have modified some files without having the proper"
+ echo "tools for further handling them. Check the 'README' file, it"
+ echo "often tells you about the needed prerequisites for installing"
+ echo "this package. You may also peek at any GNU archive site, in"
+ echo "case some other package contains this missing '$1' program."
+ ;;
+ esac
+}
+
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+ -e '2,$s/^/ /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
projects / cycript.git / blobdiff