diff options
Diffstat (limited to 'missing')
| -rwxr-xr-x | missing | 405 |
1 files changed, 145 insertions, 260 deletions
@@ -1,10 +1,10 @@ #! /bin/sh -# Common stub for a few missing GNU programs while installing. +# Common wrapper for a few potentially missing GNU programs. -scriptversion=2012-01-06.18; # UTC +scriptversion=2012-06-26.16; # UTC -# Copyright (C) 1996-2012 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 @@ -29,61 +29,33 @@ if test $# -eq 0; then 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. @@ -98,228 +70,141 @@ Send bug reports to <bug-automake@gnu.org>." ;; -*) - echo 1>&2 "$0: Unknown '$1' option" + 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 '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 "<$gnu_software_URL/help2man/>" ;; -esac - -exit 0 + makeinfo*) + echo "You should only need it if you modified a '.texi' file, or" + echo "any other file indirectly affecting the aspect of the manual." + echo "You might want to install the Texinfo package:" + echo "<$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) |