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[bison.git] / missing

diff --git a/missing b/missing
index 7789652e877fbc83c770377691249820eebea1f2..0a7fb5a2acec32d1ef949e5e7e7fb11460c5e021 100755 (executable)
--- a/missing
+++ b/missing
@@ -1,7 +1,7 @@
 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.
 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.

-# Copyright (C) 1996, 1997 Free Software Foundation, Inc.
-# Franc,ois Pinard <pinard@iro.umontreal.ca>, 1996.
+# Copyright 1996, 1997, 1999, 2000 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
 
 # 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


@@ -18,11 +18,37 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 

+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# 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"
   exit 1
 fi
 
 if test $# -eq 0; then
   echo 1>&2 "Try \`$0 --help' for more information"
   exit 1
 fi
 

+run=:
+
+# 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 "$1" in
+--run)
+  # Try to run requested program, and just exit if it succeeds.
+  run=
+  shift
+  "$@" && exit 0
+  ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.

 case "$1" in
 
   -h|--h|--he|--hel|--help)
 case "$1" in
 
   -h|--h|--he|--hel|--help)


@@ -35,6 +61,7 @@ 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
 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'
 
 Supported PROGRAM values:
   aclocal      touch file \`aclocal.m4'


@@ -43,13 +70,15 @@ Supported PROGRAM values:
   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
   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
   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]"
     ;;
 
   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]"
     ;;
 
   -v|--v|--ve|--ver|--vers|--versi|--versio|--version)

-    echo "missing - GNU libit 0.0"
+    echo "missing 0.3 - GNU automake"

     ;;
 
   -*)
     ;;
 
   -*)


@@ -61,7 +90,7 @@ Supported PROGRAM values:
   aclocal)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if
   aclocal)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if

-         you modified \`acinclude.m4' or \`configure.in'.  You might want
+         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
          to install the \`Automake' and \`Perl' packages.  Grab them from
          any GNU archive site."
     touch aclocal.m4


@@ -70,7 +99,7 @@ WARNING: \`$1' is missing on your system.  You should only need it if
   autoconf)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if
   autoconf)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if

-         you modified \`configure.in'.  You might want to install the
+         you modified \`${configure_ac}'.  You might want to install the

          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
          archive site."
     touch configure
          \`Autoconf' and \`GNU m4' packages.  Grab them from any GNU
          archive site."
     touch configure


@@ -79,10 +108,10 @@ WARNING: \`$1' is missing on your system.  You should only need it if
   autoheader)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if
   autoheader)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if

-         you modified \`acconfig.h' or \`configure.in'.  You might want
+         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."
          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.in`
+    files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`

     test -z "$files" && files="config.h"
     touch_files=
     for f in $files; do
     test -z "$files" && files="config.h"
     touch_files=
     for f in $files; do


@@ -98,7 +127,7 @@ WARNING: \`$1' is missing on your system.  You should only need it if
   automake)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if
   automake)
     echo 1>&2 "\
 WARNING: \`$1' is missing on your system.  You should only need it if

-         you modified \`Makefile.am', \`acinclude.m4' or \`configure.in'.
+         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 |
          You might want to install the \`Automake' and \`Perl' packages.
          Grab them from any GNU archive site."
     find . -type f -name Makefile.am -print |


@@ -159,7 +188,32 @@ WARNING: \`$1' is missing on your system.  You should only need it if
     fi
     ;;
 
     fi
     ;;
 

+  help2man)
+    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
+    ;;
+

   makeinfo)
   makeinfo)

+    if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
+       # 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
     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


@@ -175,6 +229,45 @@ WARNING: \`$1' is missing on your system.  You should only need it if
     touch $file
     ;;
 
     touch $file
     ;;
 

+  tar)
+    shift
+    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 ${1+"$@"} && exit 0
+    fi
+    if (gtar --version > /dev/null 2>&1); then
+       gtar ${1+"$@"} && exit 0
+    fi
+    firstarg="$1"
+    if shift; then
+       case "$firstarg" in
+       *o*)
+           firstarg=`echo "$firstarg" | sed s/o//`
+           tar "$firstarg" ${1+"$@"} && exit 0
+           ;;
+       esac
+       case "$firstarg" in
+       *h*)
+           firstarg=`echo "$firstarg" | sed s/h//`
+           tar "$firstarg" ${1+"$@"} && 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 you do not seem to have it handy on your
   *)
     echo 1>&2 "\
 WARNING: \`$1' is needed, and you do not seem to have it handy on your