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Revision 1.1 by sysadm, Mon Oct 11 10:28:03 2004 UTC Revision 1.2 by sysadm, Sun May 4 09:41:37 2025 UTC
# Line 1  Line 1 
1  #! /bin/sh  #! /bin/sh
2  # Common stub for a few missing GNU programs while installing.  # Common wrapper for a few potentially missing GNU programs.
3  # Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.  
4  # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.  scriptversion=2018-03-07.03; # UTC
5    
6    # Copyright (C) 1996-2021 Free Software Foundation, Inc.
7    # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
8    
9  # This program is free software; you can redistribute it and/or modify  # This program is free software; you can redistribute it and/or modify
10  # it under the terms of the GNU General Public License as published by  # it under the terms of the GNU General Public License as published by
# Line 14  Line 17 
17  # GNU General Public License for more details.  # GNU General Public License for more details.
18    
19  # You should have received a copy of the GNU General Public License  # You should have received a copy of the GNU General Public License
20  # along with this program; if not, write to the Free Software  # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 # 02111-1307, USA.  
21    
22  # As a special exception to the GNU General Public License, if you  # As a special exception to the GNU General Public License, if you
23  # distribute this file as part of a program that contains a  # distribute this file as part of a program that contains a
# Line 24  Line 25 
25  # the same distribution terms that you use for the rest of that program.  # the same distribution terms that you use for the rest of that program.
26    
27  if test $# -eq 0; then  if test $# -eq 0; then
28    echo 1>&2 "Try \`$0 --help' for more information"    echo 1>&2 "Try '$0 --help' for more information"
29    exit 1    exit 1
30  fi  fi
31    
32  run=:  case $1 in
   
 # 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  
33    
34  case "$1" in    --is-lightweight)
35  --run)      # Used by our autoconf macros to check whether the available missing
36    # Try to run requested program, and just exit if it succeeds.      # script is modern enough.
37    run=      exit 0
38    shift      ;;
   "$@" && exit 0  
   ;;  
 esac  
39    
40  # If it does not exist, or fails to run (possibly an outdated version),    --run)
41  # try to emulate it.      # Back-compat with the calling convention used by older automake.
42  case "$1" in      shift
43        ;;
44    
45    -h|--h|--he|--hel|--help)    -h|--h|--he|--hel|--help)
46      echo "\      echo "\
47  $0 [OPTION]... PROGRAM [ARGUMENT]...  $0 [OPTION]... PROGRAM [ARGUMENT]...
48    
49  Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an  Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
50  error status if there is no known handling for PROGRAM.  to PROGRAM being missing or too old.
51    
52  Options:  Options:
53    -h, --help      display this help and exit    -h, --help      display this help and exit
54    -v, --version   output version information and exit    -v, --version   output version information and exit
   --run           try to run the given command, and emulate it if it fails  
55    
56  Supported PROGRAM values:  Supported PROGRAM values:
57    aclocal      touch file \`aclocal.m4'    aclocal   autoconf  autoheader   autom4te  automake  makeinfo
58    autoconf     touch file \`configure'    bison     yacc      flex         lex       help2man
59    autoheader   touch file \`config.h.in'  
60    automake     touch all \`Makefile.in' files  Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
61    bison        create \`y.tab.[ch]', if possible, from existing .[ch]  'g' are ignored when checking the name.
62    flex         create \`lex.yy.c', if possible, from existing .c  
63    help2man     touch the output file  Send bug reports to <bug-automake@gnu.org>."
64    lex          create \`lex.yy.c', if possible, from existing .c      exit $?
   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]"  
65      ;;      ;;
66    
67    -v|--v|--ve|--ver|--vers|--versi|--versio|--version)    -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
68      echo "missing 0.4 - GNU automake"      echo "missing $scriptversion (GNU Automake)"
69        exit $?
70      ;;      ;;
71    
72    -*)    -*)
73      echo 1>&2 "$0: Unknown \`$1' option"      echo 1>&2 "$0: unknown '$1' option"
74      echo 1>&2 "Try \`$0 --help' for more information"      echo 1>&2 "Try '$0 --help' for more information"
75      exit 1      exit 1
76      ;;      ;;
77    
78    aclocal*)  esac
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then  
        # We have it, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  You should only need it if  
          you modified \`acinclude.m4' or \`${configure_ac}'.  You might want  
          to install the \`Automake' and \`Perl' packages.  Grab them from  
          any GNU archive site."  
     touch aclocal.m4  
     ;;  
   
   autoconf)  
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then  
        # We have it, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  You should only need it if  
          you modified \`${configure_ac}'.  You might want to install the  
          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU  
          archive site."  
     touch configure  
     ;;  
   
   autoheader)  
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then  
        # We have it, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  You should only need it if  
          you modified \`acconfig.h' or \`${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*)  
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then  
        # We have it, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  You should only need it if  
          you modified \`Makefile.am', \`acinclude.m4' or \`${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)  
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then  
        # We have it, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is needed, and you do not seem to have it handy on your  
          system.  You might have modified some files without having the  
          proper tools for further handling them.  
          You can get \`$1Help2man' as part of \`Autoconf' from any GNU  
          archive site."  
   
     file=`echo "$*" | sed -n 's/.*--output[ =]*\([^ ]*\).*/\1/p'`  
     test -z "$file" && file=`echo "$*" | sed -n 's/.*-o[ ]*\([^ ]*\).*/\1/p'`  
     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' is missing on your system.  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 [ $# -ne 1 ]; then  
         eval LASTARG="\${$#}"  
         case "$LASTARG" in  
         *.y)  
             SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`  
             if [ -f "$SRCFILE" ]; then  
                  cp "$SRCFILE" y.tab.c  
             fi  
             SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`  
             if [ -f "$SRCFILE" ]; then  
                  cp "$SRCFILE" y.tab.h  
             fi  
           ;;  
         esac  
     fi  
     if [ ! -f y.tab.h ]; then  
         echo >y.tab.h  
     fi  
     if [ ! -f y.tab.c ]; then  
         echo 'main() { return 0; }' >y.tab.c  
     fi  
     ;;  
   
   lex|flex)  
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  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 [ $# -ne 1 ]; then  
         eval LASTARG="\${$#}"  
         case "$LASTARG" in  
         *.l)  
             SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`  
             if [ -f "$SRCFILE" ]; then  
                  cp "$SRCFILE" lex.yy.c  
             fi  
           ;;  
         esac  
     fi  
     if [ ! -f lex.yy.c ]; then  
         echo 'main() { return 0; }' >lex.yy.c  
     fi  
     ;;  
   
   help2man)  
     if test -z "$run" && ($1 --version) > /dev/null 2>&1; then  
        # We have it, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  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 's/.*-o \([^ ]*\).*/\1/p'`  
     if test -z "$file"; then  
         file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`  
     fi  
     if [ -f "$file" ]; then  
         touch $file  
     else  
         test -z "$file" || exec >$file  
         echo ".ab help2man is required to generate this page"  
         exit 1  
     fi  
     ;;  
79    
80    makeinfo)  # Run the given program, remember its exit status.
81      if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then  "$@"; st=$?
        # We have makeinfo, but it failed.  
        exit 1  
     fi  
   
     echo 1>&2 "\  
 WARNING: \`$1' is missing on your system.  You should only need it if  
          you modified a \`.texi' or \`.texinfo' file, or any other file  
          indirectly affecting the aspect of the manual.  The spurious  
          call might also be the consequence of using a buggy \`make' (AIX,  
          DU, IRIX).  You might want to install the \`Texinfo' package or  
          the \`GNU make' package.  Grab either from any GNU archive site."  
     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`  
     if test -z "$file"; then  
       file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`  
       file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`  
     fi  
     touch $file  
     ;;  
82    
83    tar)  # If it succeeded, we are done.
84      shift  test $st -eq 0 && exit 0
     if test -n "$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 "$@" && exit 0  
     fi  
     if (gtar --version > /dev/null 2>&1); then  
        gtar "$@" && 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  
     ;;  
85    
86    *)  # Also exit now if we it failed (or wasn't found), and '--version' was
87      echo 1>&2 "\  # passed; such an option is passed most likely to detect whether the
88  WARNING: \`$1' is needed, and you do not seem to have it handy on your  # program is present and works.
89           system.  You might have modified some files without having the  case $2 in --version|--help) exit $st;; esac
90           proper tools for further handling them.  Check the \`README' file,  
91           it often tells you about the needed prerequirements for installing  # Exit code 63 means version mismatch.  This often happens when the user
92           this package.  You may also peek at any GNU archive site, in case  # tries to use an ancient version of a tool on a file that requires a
93           some other package would contain this missing \`$1' program."  # minimum version.
94      exit 1  if test $st -eq 63; then
95      ;;    msg="probably too old"
96  esac  elif test $st -eq 127; then
97      # Program was missing.
98      msg="missing on your system"
99    else
100      # Program was found and executed, but failed.  Give up.
101      exit $st
102    fi
103    
104  exit 0  perl_URL=https://www.perl.org/
105    flex_URL=https://github.com/westes/flex
106    gnu_software_URL=https://www.gnu.org/software
107    
108    program_details ()
109    {
110      case $1 in
111        aclocal|automake)
112          echo "The '$1' program is part of the GNU Automake package:"
113          echo "<$gnu_software_URL/automake>"
114          echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
115          echo "<$gnu_software_URL/autoconf>"
116          echo "<$gnu_software_URL/m4/>"
117          echo "<$perl_URL>"
118          ;;
119        autoconf|autom4te|autoheader)
120          echo "The '$1' program is part of the GNU Autoconf package:"
121          echo "<$gnu_software_URL/autoconf/>"
122          echo "It also requires GNU m4 and Perl in order to run:"
123          echo "<$gnu_software_URL/m4/>"
124          echo "<$perl_URL>"
125          ;;
126      esac
127    }
128    
129    give_advice ()
130    {
131      # Normalize program name to check for.
132      normalized_program=`echo "$1" | sed '
133        s/^gnu-//; t
134        s/^gnu//; t
135        s/^g//; t'`
136    
137      printf '%s\n' "'$1' is $msg."
138    
139      configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
140      case $normalized_program in
141        autoconf*)
142          echo "You should only need it if you modified 'configure.ac',"
143          echo "or m4 files included by it."
144          program_details 'autoconf'
145          ;;
146        autoheader*)
147          echo "You should only need it if you modified 'acconfig.h' or"
148          echo "$configure_deps."
149          program_details 'autoheader'
150          ;;
151        automake*)
152          echo "You should only need it if you modified 'Makefile.am' or"
153          echo "$configure_deps."
154          program_details 'automake'
155          ;;
156        aclocal*)
157          echo "You should only need it if you modified 'acinclude.m4' or"
158          echo "$configure_deps."
159          program_details 'aclocal'
160          ;;
161       autom4te*)
162          echo "You might have modified some maintainer files that require"
163          echo "the 'autom4te' program to be rebuilt."
164          program_details 'autom4te'
165          ;;
166        bison*|yacc*)
167          echo "You should only need it if you modified a '.y' file."
168          echo "You may want to install the GNU Bison package:"
169          echo "<$gnu_software_URL/bison/>"
170          ;;
171        lex*|flex*)
172          echo "You should only need it if you modified a '.l' file."
173          echo "You may want to install the Fast Lexical Analyzer package:"
174          echo "<$flex_URL>"
175          ;;
176        help2man*)
177          echo "You should only need it if you modified a dependency" \
178               "of a man page."
179          echo "You may want to install the GNU Help2man package:"
180          echo "<$gnu_software_URL/help2man/>"
181        ;;
182        makeinfo*)
183          echo "You should only need it if you modified a '.texi' file, or"
184          echo "any other file indirectly affecting the aspect of the manual."
185          echo "You might want to install the Texinfo package:"
186          echo "<$gnu_software_URL/texinfo/>"
187          echo "The spurious makeinfo call might also be the consequence of"
188          echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
189          echo "want to install GNU make:"
190          echo "<$gnu_software_URL/make/>"
191          ;;
192        *)
193          echo "You might have modified some files without having the proper"
194          echo "tools for further handling them.  Check the 'README' file, it"
195          echo "often tells you about the needed prerequisites for installing"
196          echo "this package.  You may also peek at any GNU archive site, in"
197          echo "case some other package contains this missing '$1' program."
198          ;;
199      esac
200    }
201    
202    give_advice "$1" | sed -e '1s/^/WARNING: /' \
203                           -e '2,$s/^/         /' >&2
204    
205    # Propagate the correct exit status (expected to be 127 for a program
206    # not found, 63 for a program that failed due to version mismatch).
207    exit $st
208    
209    # Local variables:
210    # eval: (add-hook 'before-save-hook 'time-stamp)
211    # time-stamp-start: "scriptversion="
212    # time-stamp-format: "%:y-%02m-%02d.%02H"
213    # time-stamp-time-zone: "UTC0"
214    # time-stamp-end: "; # UTC"
215    # End:

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