Index: missing |
diff --git a/missing b/missing |
index 86a8fc31e3c2aa268688a5be47d161c586772e78..f62bbae306c7e1bc28896aab8fe7bfb700a9a33e 100755 |
--- a/missing |
+++ b/missing |
@@ -1,11 +1,10 @@ |
#! /bin/sh |
-# Common stub for a few missing GNU programs while installing. |
+# Common wrapper for a few potentially missing GNU programs. |
-scriptversion=2012-01-06.13; # UTC |
+scriptversion=2013-10-28.13; # UTC |
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006, |
-# 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. |
-# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. |
+# Copyright (C) 1996-2014 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 |
@@ -26,68 +25,40 @@ scriptversion=2012-01-06.13; # UTC |
# 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 |
- 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 $? |
@@ -99,228 +70,141 @@ Send bug reports to <bug-automake@gnu.org>." |
;; |
-*) |
- 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 $1 in |
- lex*|yacc*) |
- # Not GNU programs, they don't have --version. |
- ;; |
- |
- *) |
- if test -z "$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 $file |
- ;; |
+# Run the given program, remember its exit status. |
+"$@"; 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 |
- *) |
- 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 |
+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 "<$gnu_software_URL/help2man/>" |
;; |
-esac |
- |
-exit 0 |
+ makeinfo*) |
+ echo "You should only need it if you modified a '.texi' file, or" |
+ echo "any other file indirectly affecting the aspect of the manual." |
+ echo "You might want to install the Texinfo package:" |
+ echo "<$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) |