diff options
Diffstat (limited to 'missing')
| -rwxr-xr-x | missing | 414 |
1 files changed, 265 insertions, 149 deletions
@@ -1,10 +1,11 @@ #! /bin/sh -# Common wrapper for a few potentially missing GNU programs. +# Common stub for a few missing GNU programs while installing. -scriptversion=2012-06-26.16; # UTC +scriptversion=2012-01-06.13; # UTC -# Copyright (C) 1996-2013 Free Software Foundation, Inc. -# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996. +# 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. # 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 @@ -25,40 +26,68 @@ scriptversion=2012-06-26.16; # 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 -case $1 in +run=: +sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' +sed_minuso='s/.* -o \([^ ]*\).*/\1/p' - --is-lightweight) - # Used by our autoconf macros to check whether the available missing - # script is modern enough. - exit 0 - ;; +# 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 - --run) - # Back-compat with the calling convention used by older automake. - shift - ;; +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 + ;; -h|--h|--he|--hel|--help) echo "\ $0 [OPTION]... PROGRAM [ARGUMENT]... -Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due -to PROGRAM being missing or too old. +Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an +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 autoconf autoheader autom4te automake makeinfo - bison yacc flex lex help2man + 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] -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 $? @@ -70,141 +99,228 @@ 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 \`$0 --help' for more information" exit 1 ;; esac -# Run the given program, remember its exit status. -"$@"; 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 +# 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 + ;; -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 'automa4te' 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/>" + 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 $touch_files ;; - makeinfo*) - echo "You should only need it if you modified a '.texi' file, or" - echo "any other file indirectly affecting the aspect of the manual." - echo "You might want to install the Texinfo package:" - echo "<$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 + + 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 + ;; + + *) + 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 + +exit 0 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) |