diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | compile | 84 | ||||
| -rwxr-xr-x | config.guess | 5 | ||||
| -rwxr-xr-x | depcomp | 104 | ||||
| -rwxr-xr-x | install-sh | 134 | ||||
| -rwxr-xr-x | ylwrap | 241 |
6 files changed, 370 insertions, 203 deletions
diff --git a/ChangeLog b/ChangeLog index be92afccaf8..4c331f7e576 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2004-09-23 Kelley Cook <kcook@gcc.gnu.org> + + * config.guess: New upstream version + * compile, depcomp, install-sh, ylwrap: Likewise. + 2004-09-19 Roger Sayle <roger@eyesopen.com> * config/mh-x86omitfp: New host makefile fragment. Add @@ -1,9 +1,9 @@ #! /bin/sh # Wrapper for compilers which do not understand `-c -o'. -scriptversion=2003-11-09.00 +scriptversion=2004-09-10.20 -# Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc. +# Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. # Written by Tom Tromey <tromey@cygnus.com>. # # This program is free software; you can redistribute it and/or modify @@ -55,37 +55,41 @@ EOF ;; esac - -prog=$1 -shift - ofile= cfile= -args= -while test $# -gt 0; do - case "$1" in - -o) - # configure might choose to run compile as `compile cc -o foo foo.c'. - # So we do something ugly here. - ofile=$2 - shift - case "$ofile" in - *.o | *.obj) - ;; - *) - args="$args -o $ofile" - ofile= - ;; - esac - ;; - *.c) - cfile=$1 - args="$args $1" - ;; - *) - args="$args $1" - ;; - esac +eat= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as `compile cc -o foo foo.c'. + # So we strip `-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi shift done @@ -95,36 +99,36 @@ if test -z "$ofile" || test -z "$cfile"; then # normal compilation that the losing compiler can handle. If no # `.c' file was seen then we are probably linking. That is also # ok. - exec "$prog" $args + exec "$@" fi # Name of file we expect compiler to create. -cofile=`echo $cfile | sed -e 's|^.*/||' -e 's/\.c$/.o/'` +cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'` # Create the lock directory. # Note: use `[/.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. -lockdir=`echo $cofile | sed -e 's|[/.-]|_|g'`.d +lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d while true; do - if mkdir $lockdir > /dev/null 2>&1; then + if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. -trap "rmdir $lockdir; exit 1" 1 2 15 +trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. -"$prog" $args -status=$? +"$@" +ret=$? if test -f "$cofile"; then mv "$cofile" "$ofile" fi -rmdir $lockdir -exit $status +rmdir "$lockdir" +exit $ret # Local Variables: # mode: shell-script diff --git a/config.guess b/config.guess index 3826ba124bd..7d0185e019e 100755 --- a/config.guess +++ b/config.guess @@ -3,7 +3,7 @@ # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. -timestamp='2004-08-29' +timestamp='2004-09-07' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by @@ -827,6 +827,9 @@ EOF crisv32:Linux:*:*) echo crisv32-axis-linux-gnu exit 0 ;; + frv:Linux:*:*) + echo frv-unknown-linux-gnu + exit 0 ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-gnu exit 0 ;; @@ -1,7 +1,9 @@ #! /bin/sh - # depcomp - compile a program generating dependencies as side-effects -# Copyright 1999, 2000 Free Software Foundation, Inc. + +scriptversion=2004-05-31.23 + +# Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. # 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 @@ -25,22 +27,45 @@ # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. +case $1 in + '') + echo "$0: No command. Try \`$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by `PROGRAMS ARGS'. + object Object file output by `PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputing dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to <bug-automake@gnu.org>. +EOF + exit 0 + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit 0 + ;; +esac + if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi -# `libtool' can also be set to `yes' or `no'. - -if test -z "$depfile"; then - base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` - dir=`echo "$object" | sed 's,/.*$,/,'` - if test "$dir" = "$object"; then - dir= - fi - # FIXME: should be _deps on DOS. - depfile="$dir.deps/$base" -fi +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" @@ -172,19 +197,25 @@ sgi) aix) # The C for AIX Compiler uses -M and outputs the dependencies - # in a .u file. This file always lives in the current directory. - # Also, the AIX compiler puts `$object:' at the start of each line; - # $object doesn't have directory information. - stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'` + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts `$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` tmpdepfile="$stripped.u" - outname="$stripped.o" if test "$libtool" = yes; then "$@" -Wc,-M else "$@" -M fi - stat=$? + + if test -f "$tmpdepfile"; then : + else + stripped=`echo "$stripped" | sed 's,^.*/,,'` + tmpdepfile="$stripped.u" + fi + if test $stat -eq 0; then : else rm -f "$tmpdepfile" @@ -192,6 +223,7 @@ aix) fi if test -f "$tmpdepfile"; then + outname="$stripped.o" # Each line is of the form `foo.o: dependent.h'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. @@ -255,31 +287,40 @@ tru64) base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then + # Dependencies are output in .lo.d with libtool 1.4. + # With libtool 1.5 they are output both in $dir.libs/$base.o.d + # and in $dir.libs/$base.o.d and $dir$base.o.d. We process the + # latter, because the former will be cleaned when $dir.libs is + # erased. tmpdepfile1="$dir.libs/$base.lo.d" - tmpdepfile2="$dir.libs/$base.d" + tmpdepfile2="$dir$base.o.d" + tmpdepfile3="$dir.libs/$base.d" "$@" -Wc,-MD else tmpdepfile1="$dir$base.o.d" tmpdepfile2="$dir$base.d" + tmpdepfile3="$dir$base.d" "$@" -MD fi stat=$? if test $stat -eq 0; then : else - rm -f "$tmpdepfile1" "$tmpdepfile2" + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi if test -f "$tmpdepfile1"; then tmpdepfile="$tmpdepfile1" - else + elif test -f "$tmpdepfile2"; then tmpdepfile="$tmpdepfile2" + else + tmpdepfile="$tmpdepfile3" fi if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" - # That's a space and a tab in the []. - sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else echo "#dummy" > "$depfile" fi @@ -292,7 +333,7 @@ tru64) dashmstdout) # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout, regardless of -o. + # always write the preprocessed file to stdout, regardless of -o. "$@" || exit $? # Remove the call to Libtool. @@ -388,7 +429,7 @@ makedepend) cpp) # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout. + # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. @@ -430,7 +471,7 @@ cpp) msvisualcpp) # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout, regardless of -o, + # always write the preprocessed file to stdout, regardless of -o, # because we must use -o when running libtool. "$@" || exit $? IFS=" " @@ -470,3 +511,12 @@ none) esac exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: diff --git a/install-sh b/install-sh index 77bc38144f2..dd97db7aa1c 100755 --- a/install-sh +++ b/install-sh @@ -1,7 +1,7 @@ #!/bin/sh # install - install a program, script, or datafile -scriptversion=2004-02-15.20 +scriptversion=2004-09-10.20 # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the @@ -58,9 +58,6 @@ stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" -transformbasename= -transform_arg= -instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd= chgrpcmd= @@ -70,23 +67,27 @@ mvcmd="$mvprog" src= dst= dir_arg= +dstarg= +no_target_directory= -usage="Usage: $0 [OPTION]... SRCFILE DSTFILE +usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY - or: $0 -d DIRECTORIES... + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... -In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default. -In the second, create the directory path DIR. +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. Options: --b=TRANSFORMBASENAME --c copy source (using $cpprog) instead of moving (using $mvprog). +-c (ignored) -d create directories instead of installing files. --g GROUP $chgrp installed files to GROUP. --m MODE $chmod installed files to MODE. --o USER $chown installed files to USER. --s strip installed files (using $stripprog). --t=TRANSFORM +-g GROUP $chgrpprog installed files to GROUP. +-m MODE $chmodprog installed files to MODE. +-o USER $chownprog installed files to USER. +-s $stripprog installed files. +-t DIRECTORY install into DIRECTORY. +-T report an error if DSTFILE is a directory. --help display this help and exit. --version display version info and exit. @@ -96,12 +97,7 @@ Environment variables override the default commands: while test -n "$1"; do case $1 in - -b=*) transformbasename=`echo $1 | sed 's/-b=//'` - shift - continue;; - - -c) instcmd=$cpprog - shift + -c) shift continue;; -d) dir_arg=true @@ -129,14 +125,20 @@ while test -n "$1"; do shift continue;; - -t=*) transformarg=`echo $1 | sed 's/-t=//'` - shift - continue;; + -t) dstarg=$2 + shift + shift + continue;; + + -T) no_target_directory=true + shift + continue;; --version) echo "$0 $scriptversion"; exit 0;; *) # When -d is used, all remaining arguments are directories to create. - test -n "$dir_arg" && break + # When -t is used, the destination is already specified. + test -n "$dir_arg$dstarg" && break # Otherwise, the last argument is the destination. Remove it from $@. for arg do @@ -174,13 +176,13 @@ do src= if test -d "$dst"; then - instcmd=: + mkdircmd=: chmodcmd= else - instcmd=$mkdirprog + mkdircmd=$mkdirprog fi else - # Waiting for this to be detected by the "$instcmd $src $dsttmp" command + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if test ! -f "$src" && test ! -d "$src"; then @@ -202,6 +204,10 @@ do # If destination is a directory, append the input filename; won't work # if double slashes aren't ignored. if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dstarg: Is a directory" >&2 + exit 1 + fi dst=$dst/`basename "$src"` fi fi @@ -229,77 +235,77 @@ do pathcomp=$pathcomp$1 shift if test ! -d "$pathcomp"; then - $mkdirprog "$pathcomp" || lasterr=$? + $mkdirprog "$pathcomp" # mkdir can fail with a `File exist' error in case several # install-sh are creating the directory concurrently. This # is OK. - test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; } + test -d "$pathcomp" || exit fi pathcomp=$pathcomp/ done fi if test -n "$dir_arg"; then - $doit $instcmd "$dst" \ + $doit $mkdircmd "$dst" \ && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } else - # If we're going to rename the final executable, determine the name now. - if test -z "$transformarg"; then - dstfile=`basename "$dst"` - else - dstfile=`basename "$dst" $transformbasename \ - | sed $transformarg`$transformbasename - fi - - # don't allow the sed command to completely eliminate the filename. - test -z "$dstfile" && dstfile=`basename "$dst"` + dstfile=`basename "$dst"` # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/_inst.$$_ rmtmp=$dstdir/_rm.$$_ # Trap to clean up those temp files at exit. - trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 trap '(exit $?); exit' 1 2 13 15 - # Move or copy the file name to the temp name - $doit $instcmd "$src" "$dsttmp" && + # Copy the file name to the temp name. + $doit $cpprog "$src" "$dsttmp" && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore - # errors from the above "$doit $instcmd $src $dsttmp" command. + # errors from the above "$doit $cpprog $src $dsttmp" command. # { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && - # Now remove or move aside any old file at destination location. We - # try this two ways since rm can't unlink itself on some systems and - # the destination file might be busy for other reasons. In this case, - # the final cleanup might fail but the new file should still install - # successfully. - { - if test -f "$dstdir/$dstfile"; then - $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ - || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ - || { - echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 - (exit 1); exit - } - else - : - fi - } && - # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" + { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ + || { + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + if test -f "$dstdir/$dstfile"; then + $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ + || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ + || { + echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 + (exit 1); exit + } + else + : + fi + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" + } + } fi || { (exit 1); exit; } done @@ -1,6 +1,11 @@ #! /bin/sh # ylwrap - wrapper for lex/yacc invocations. -# Copyright (C) 1996, 1997 Free Software Foundation, Inc. + +scriptversion=2004-09-10.20 + +# Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004 +# Free Software Foundation, Inc. +# # Written by Tom Tromey <tromey@cygnus.com>. # # This program is free software; you can redistribute it and/or modify @@ -17,56 +22,81 @@ # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -# Usage: -# ylwrap PROGRAM INPUT [OUTPUT DESIRED]... -- [ARGS]... -# * PROGRAM is program to run. -# * INPUT is the input file -# * OUTPUT is file PROG generates -# * DESIRED is file we actually want -# * ARGS are passed to PROG -# Any number of OUTPUT,DESIRED pairs may be used. +# 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. -# The program to run. -prog="$1" -shift -# Make any relative path in $prog absolute. -case "$prog" in - /* | [A-Za-z]:\\*) ;; - */*) prog="`pwd`/$prog" ;; +# This file is maintained in Automake, please report +# bugs to <bug-automake@gnu.org> or send patches to +# <automake-patches@gnu.org>. + +case "$1" in + '') + echo "$0: No files given. Try \`$0 --help' for more information." 1>&2 + exit 1 + ;; + --basedir) + basedir=$2 + shift 2 + ;; + -h|--h*) + cat <<\EOF +Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... + +Wrapper for lex/yacc invocations, renaming files as desired. + + INPUT is the input file + OUTPUT is one file PROG generates + DESIRED is the file we actually want instead of OUTPUT + PROGRAM is program to run + ARGS are passed to PROG + +Any number of OUTPUT,DESIRED pairs may be used. + +Report bugs to <bug-automake@gnu.org>. +EOF + exit 0 + ;; + -v|--v*) + echo "ylwrap $scriptversion" + exit 0 + ;; esac + # The input. input="$1" shift case "$input" in - /* | [A-Za-z]:\\*) + [\\/]* | ?:[\\/]*) # Absolute path; do nothing. ;; - *) - # Relative path. Make it absolute. Why? Because otherwise any - # debugging info in the generated file will point to the wrong - # place. This is really gross. + *) + # Relative path. Make it absolute. input="`pwd`/$input" ;; esac -# We don't want to use the absolute path if the input in the current -# directory like when making a tar ball. -input_base=`echo $input | sed -e 's|.*/||'` -if test -f $input_base && cmp $input_base $input >/dev/null 2>&1; then - input=$input_base -fi - pairlist= while test "$#" -ne 0; do - if test "$1" = "--"; then - shift - break - fi - pairlist="$pairlist $1" - shift + if test "$1" = "--"; then + shift + break + fi + pairlist="$pairlist $1" + shift done +# The program to run. +prog="$1" +shift +# Make any relative path in $prog absolute. +case "$prog" in + [\\/]* | ?:[\\/]*) ;; + *[\\/]*) prog="`pwd`/$prog" ;; +esac + # FIXME: add hostname here for parallel makes that run commands on # other machines. But that might take us over the 14-char limit. dirname=ylwrap$$ @@ -74,50 +104,119 @@ trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 mkdir $dirname || exit 1 cd $dirname -case "$input" in - /* | [A-Za-z]:\\*) - # Absolute path; do nothing. - ;; - *) - # Make a symbolic link, hard link or hardcopy. - ln -s ../"$input" . > /dev/null 2>&1 || ln ../"$input" . > /dev/null 2>&1 || cp ../"$input" . - ;; + +case $# in + 0) $prog "$input" ;; + *) $prog "$@" "$input" ;; esac -$prog ${1+"$@"} "$input" -status=$? - -if test $status -eq 0; then - set X $pairlist - shift - first=yes - while test "$#" -ne 0; do - if test -f "$1"; then - # If $2 is an absolute path name, then just use that, - # otherwise prepend `../'. - case "$2" in - /* | [A-Za-z]:\\*) target="$2";; - *) target="../$2";; - esac - mv "$1" "$target" || status=$? +ret=$? + +if test $ret -eq 0; then + set X $pairlist + shift + first=yes + # Since DOS filename conventions don't allow two dots, + # the DOS version of Bison writes out y_tab.c instead of y.tab.c + # and y_tab.h instead of y.tab.h. Test to see if this is the case. + y_tab_nodot="no" + if test -f y_tab.c || test -f y_tab.h; then + y_tab_nodot="yes" + fi + + # The directory holding the input. + input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'` + # Quote $INPUT_DIR so we can use it in a regexp. + # FIXME: really we should care about more than `.' and `\'. + input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'` + + while test "$#" -ne 0; do + from="$1" + # Handle y_tab.c and y_tab.h output by DOS + if test $y_tab_nodot = "yes"; then + if test $from = "y.tab.c"; then + from="y_tab.c" else - # A missing file is only an error for the first file. This - # is a blatant hack to let us support using "yacc -d". If -d - # is not specified, we don't want an error when the header - # file is "missing". - if test $first = yes; then - status=1 - fi + if test $from = "y.tab.h"; then + from="y_tab.h" + fi + fi + fi + if test -f "$from"; then + # If $2 is an absolute path name, then just use that, + # otherwise prepend `../'. + case "$2" in + [\\/]* | ?:[\\/]*) target="$2";; + *) target="../$2";; + esac + + # We do not want to overwrite a header file if it hasn't + # changed. This avoid useless recompilations. However the + # parser itself (the first file) should always be updated, + # because it is the destination of the .y.c rule in the + # Makefile. Divert the output of all other files to a temporary + # file so we can compare them to existing versions. + if test $first = no; then + realtarget="$target" + target="tmp-`echo $target | sed s/.*[\\/]//g`" fi - shift - shift - first=no - done + # Edit out `#line' or `#' directives. + # + # We don't want the resulting debug information to point at + # an absolute srcdir; it is better for it to just mention the + # .y file with no path. + # + # We want to use the real output file name, not yy.lex.c for + # instance. + # + # We want the include guards to be adjusted too. + FROM=`echo "$from" | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ + -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` + TARGET=`echo "$2" | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ + -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` + + sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \ + -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$? + + # Check whether header files must be updated. + if test $first = no; then + if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then + echo "$2" is unchanged + rm -f "$target" + else + echo updating "$2" + mv -f "$target" "$realtarget" + fi + fi + else + # A missing file is only an error for the first file. This + # is a blatant hack to let us support using "yacc -d". If -d + # is not specified, we don't want an error when the header + # file is "missing". + if test $first = yes; then + ret=1 + fi + fi + shift + shift + first=no + done else - status=$? + ret=$? fi # Remove the directory. cd .. rm -rf $dirname -exit $status +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: |