mirror of
git://gcc.gnu.org/git/gcc.git
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367 lines
9.6 KiB
Smarty
367 lines
9.6 KiB
Smarty
[= autogen template -*- Mode: shell-script -*-
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sh
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#
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# $Id: inclhack.tpl,v 1.1 1998/03/20 16:19:41 korbb Exp $
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#
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=]
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#!/bin/sh -p
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#
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[= _EVAL "## " _DNE =]
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#
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# Install modified versions of certain ANSI-incompatible system header
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# files which are fixed to work correctly with ANSI C and placed in a
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# directory that GNU C will search.
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#
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# This script contains [=_eval fix _count =] fixup scripts.
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#
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# See README-fixinc for more information.
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#
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[=_eval fixincludes "## " _gpl=]
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#
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# # # # # # # # # # # # # # # # # # # # #
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#
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# Directory containing the original header files.
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# (This was named INCLUDES, but that conflicts with a name in Makefile.in.)
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#
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INPUT=${2-${INPUT-/usr/include}}
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( \cd ${INPUT} > /dev/null 2>&1 ) || {
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echo 'fixincludes: input dir `'$INPUT"' is an invalid directory"
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exit 1
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}
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# # # # # # # # # # # # # # # # # # # # #
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#
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# Directory in which to store the results.
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# Fail if no arg to specify a directory for the output.
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if [ "x$1" = "x" ]
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then echo fixincludes: no output directory specified
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exit 1
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fi
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LIB=${1}
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# Make sure it exists.
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if [ ! -d $LIB ]; then
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mkdir $LIB || {
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echo fixincludes: output dir '`'$LIB"' cannot be created"
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exit 1
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}
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else
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( \cd $LIB && touch DONE && rm DONE ) || {
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echo fixincludes: output dir '`'$LIB"' is an invalid directory"
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exit 1
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}
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fi
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# Define what target system we're fixing.
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#
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if test -r ./Makefile; then
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target_canonical="`sed -n -e 's,^target[ ]*=[ ]*\(.*\)$,\1,p' < Makefile`"
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fi
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# If not from the Makefile, then try config.guess
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#
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if test -z "${target_canonical}" ; then
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if test -x ./config.guess ; then
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target_canonical="`config.guess`" ; fi
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test -z "${target_canonical}" && target_canonical=unknown
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fi
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export target_canonical
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# # # # # # # # # # # # # # # # # # # # #
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#
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# Define PWDCMD as a command to use to get the working dir
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# in the form that we want.
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PWDCMD=pwd
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case "`$PWDCMD`" in
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//*)
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# On an Apollo, discard everything before `/usr'.
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PWDCMD="eval pwd | sed -e 's,.*/usr/,/usr/,'"
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;;
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esac
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# Original directory.
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ORIGDIR=`${PWDCMD}`[=
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_IF PROGRAM _env =]
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FIXINCL=${ORIGDIR}/fixincl
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export FIXINCL[=
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_ENDIF=]
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# Make LIB absolute only if needed to avoid problems with the amd.
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case $LIB in
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/*)
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;;
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*)
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cd $LIB; LIB=`${PWDCMD}`
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;;
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esac
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echo Fixing headers into ${LIB} for ${target_canonical} target
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# Determine whether this system has symbolic links.
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if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
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rm -f $LIB/ShouldNotExist
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LINKS=true
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elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
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rm -f /tmp/ShouldNotExist
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LINKS=true
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else
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LINKS=false
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fi
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# # # # # # # # # # # # # # # # # # # # #
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#
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echo Finding directories and links to directories
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cd ${INPUT}
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# Find all directories and all symlinks that point to directories.
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# Put the list in $files.
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# Each time we find a symlink, add it to newdirs
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# so that we do another find within the dir the link points to.
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# Note that $files may have duplicates in it;
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# later parts of this file are supposed to ignore them.
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dirs="."
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levels=2
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while [ -n "$dirs" ] && [ $levels -gt 0 ]
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do
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levels=`expr $levels - 1`
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newdirs=
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for d in $dirs
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do
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echo " Searching $INPUT/$d"
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# Find all directories under $d, relative to $d, excluding $d itself.
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# (The /. is needed after $d in case $d is a symlink.)
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files="$files `find $d/. -type d -print | \
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sed -e '/\/\.$/d' -e 's@/./@/@g'`"
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# Find all links to directories.
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# Using `-exec test -d' in find fails on some systems,
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# and trying to run test via sh fails on others,
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# so this is the simplest alternative left.
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# First find all the links, then test each one.
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theselinks=
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$LINKS && \
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theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
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for d1 in $theselinks --dummy--
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do
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# If the link points to a directory,
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# add that dir to $newdirs
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if [ -d $d1 ]
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then
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files="$files $d1"
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if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
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then
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newdirs="$newdirs $d1"
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fi
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fi
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done
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done
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dirs="$newdirs"
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done
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# # # # # # # # # # # # # # # # # # # # #
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#
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dirs=
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echo "All directories (including links to directories):"
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echo $files
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for file in $files; do
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rm -rf $LIB/$file
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if [ ! -d $LIB/$file ]
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then mkdir $LIB/$file
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fi
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done
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mkdir $LIB/root
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# # # # # # # # # # # # # # # # # # # # #
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#
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# treetops gets an alternating list
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# of old directories to copy
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# and the new directories to copy to.
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treetops="${INPUT} ${LIB}"
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if $LINKS; then
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echo 'Making symbolic directory links'
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for file in $files; do
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dest=`ls -ld $file | sed -n 's/.*-> //p'`
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if [ "$dest" ]; then
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cwd=`${PWDCMD}`
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# In case $dest is relative, get to $file's dir first.
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cd ${INPUT}
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cd `echo ./$file | sed -n 's&[^/]*$&&p'`
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# Check that the target directory exists.
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# Redirections changed to avoid bug in sh on Ultrix.
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(cd $dest) > /dev/null 2>&1
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if [ $? = 0 ]; then
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cd $dest
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# X gets the dir that the link actually leads to.
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x=`${PWDCMD}`
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# Canonicalize ${INPUT} now to minimize the time an
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# automounter has to change the result of ${PWDCMD}.
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cinput=`cd ${INPUT}; ${PWDCMD}`
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# If a link points to ., make a similar link to .
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if [ $x = ${cinput} ]; then
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echo $file '->' . ': Making link'
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rm -fr ${LIB}/$file > /dev/null 2>&1
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ln -s . ${LIB}/$file > /dev/null 2>&1
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# If link leads back into ${INPUT},
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# make a similar link here.
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elif expr $x : "${cinput}/.*" > /dev/null; then
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# Y gets the actual target dir name, relative to ${INPUT}.
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y=`echo $x | sed -n "s&${cinput}/&&p"`
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# DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
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dots=`echo "$file" |
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sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
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echo $file '->' $dots$y ': Making link'
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rm -fr ${LIB}/$file > /dev/null 2>&1
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ln -s $dots$y ${LIB}/$file > /dev/null 2>&1
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else
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# If the link is to a dir $target outside ${INPUT},
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# repoint the link at ${INPUT}/root$target
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# and process $target into ${INPUT}/root$target
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# treat this directory as if it actually contained the files.
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echo $file '->' root$x ': Making link'
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if [ -d $LIB/root$x ]
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then true
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else
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dirname=root$x/
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dirmade=.
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cd $LIB
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while [ x$dirname != x ]; do
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component=`echo $dirname | sed -e 's|/.*$||'`
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mkdir $component >/dev/null 2>&1
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cd $component
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dirmade=$dirmade/$component
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dirname=`echo $dirname | sed -e 's|[^/]*/||'`
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done
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fi
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# Duplicate directory structure created in ${LIB}/$file in new
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# root area.
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for file2 in $files; do
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case $file2 in
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$file/*)
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dupdir=${LIB}/root$x/`echo $file2 | sed -n "s|^${file}/||p"`
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echo "Duplicating ${file}'s ${dupdir}"
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if [ -d ${dupdir} ]
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then true
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else
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mkdir ${dupdir}
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fi
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;;
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*)
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;;
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esac
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done
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# Get the path from ${LIB} to $file, accounting for symlinks.
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parent=`echo "$file" | sed -e 's@/[^/]*$@@'`
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libabs=`cd ${LIB}; ${PWDCMD}`
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file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
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# DOTS is the relative path from ${LIB}/$file's dir back to ${LIB}.
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dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
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rm -fr ${LIB}/$file > /dev/null 2>&1
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ln -s ${dots}root$x ${LIB}/$file > /dev/null 2>&1
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treetops="$treetops $x ${LIB}/root$x"
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fi
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fi
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cd $cwd
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fi
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done
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fi
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# # # # # # # # # # # # # # # # # # # # #
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#
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required=
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set x $treetops
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shift
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while [ $# != 0 ]; do
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# $1 is an old directory to copy, and $2 is the new directory to copy to.
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#
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SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
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export SRCDIR
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shift
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DESTDIR=`cd $1;${PWDCMD}`
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export DESTDIR
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shift
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# The same dir can appear more than once in treetops.
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# There's no need to scan it more than once.
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#
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if [ -f ${DESTDIR}/DONE ]
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then continue ; fi
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touch ${DESTDIR}/DONE
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echo Fixing directory ${SRCDIR} into ${DESTDIR}
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# Check .h files which are symlinks as well as those which are files.
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# A link to a header file will not be processed by anything but this.
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#
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cd ${SRCDIR}
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[=_IF PROGRAM _env ! =][=
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_include hackshell =][=
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_ELSE
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=]
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required="$required `if $LINKS; then
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find . -name '*.h' \( -type f -o -type l \) -print
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else
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find . -name '*.h' -type f -print
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fi | ${FIXINCL}`"[=
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_ENDIF =]
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done
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## Make sure that any include files referenced using double quotes
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## exist in the fixed directory. This comes last since otherwise
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## we might end up deleting some of these files "because they don't
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## need any change."
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set x `echo $required`
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shift
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while [ $# != 0 ]; do
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newreq=
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while [ $# != 0 ]; do
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# $1 is the directory to copy from,
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# $2 is the unfixed file,
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# $3 is the fixed file name.
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#
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cd ${INPUT}
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cd $1
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if [ -r $2 ] && [ ! -r $3 ]; then
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cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
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chmod +w $3 2>/dev/null
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chmod a+r $3 2>/dev/null
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echo Copied $2
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for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' $3 |
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sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`
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do
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dir=`echo $2 | sed -e s'|/[^/]*$||'`
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dir2=`echo $3 | sed -e s'|/[^/]*$||'`
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newreq="$newreq $1 $dir/$include $dir2/$include"
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done
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fi
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shift; shift; shift
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done
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set x $newreq
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shift
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done
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echo 'Cleaning up DONE files.'
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cd $LIB
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find . -name DONE -exec rm -f '{}' ';'
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echo 'Removing unneeded directories:'
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cd $LIB
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files=`find . -type d -print | sort -r`
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for file in $files; do
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rmdir $LIB/$file > /dev/null 2>&1
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done[=
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# Make the output file executable
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# =][=
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_eval _outfile "chmod +x %s" _printf _shell=]
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