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authorBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
committerBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/fixincludes/fixinc.in
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/fixincludes/fixinc.in')
-rwxr-xr-xgcc-4.9/fixincludes/fixinc.in514
1 files changed, 514 insertions, 0 deletions
diff --git a/gcc-4.9/fixincludes/fixinc.in b/gcc-4.9/fixincludes/fixinc.in
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+++ b/gcc-4.9/fixincludes/fixinc.in
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+#!/bin/sh
+#
+# Install modified versions of certain ANSI-incompatible system header
+# files which are fixed to work correctly with ANSI C and placed in a
+# directory that GCC will search.
+#
+# See README-fixinc for more information.
+#
+# fixincludes copyright (c) 1998, 1999, 2000, 2002, 2009
+# The Free Software Foundation, Inc.
+#
+# fixincludes is free software.
+#
+# You may redistribute it and/or modify it under the terms of the
+# GNU General Public License, as published by the Free Software
+# Foundation; either version 3, or (at your option) any later version.
+#
+# fixincludes is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with fixincludes; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+#
+# # # # # # # # # # # # # # # # # # # # #
+
+# Usage: fixinc.sh output-dir input-dir
+#
+# Directory in which to store the results.
+# Fail if no arg to specify a directory for the output.
+if [ "x$1" = "x" ]
+then
+ echo fixincludes: no output directory specified
+ exit 1
+fi
+
+LIB=${1}
+shift
+
+# Make sure it exists.
+if [ ! -d $LIB ]; then
+ mkdir $LIB || {
+ echo fixincludes: output dir '`'$LIB"' cannot be created"
+ exit 1
+ }
+else
+ ( cd $LIB && touch DONE && rm DONE ) || {
+ echo fixincludes: output dir '`'$LIB"' is an invalid directory"
+ exit 1
+ }
+fi
+
+if test -z "$VERBOSE"
+then
+ VERBOSE=2
+ export VERBOSE
+else
+ case "$VERBOSE" in
+ [0-9] ) : ;;
+ * ) VERBOSE=3 ;;
+ esac
+fi
+
+# Define what target system we're fixing.
+#
+if test -r ./Makefile; then
+ target_canonical="`sed -n -e 's,^target[ ]*=[ ]*\(.*\)$,\1,p' < Makefile`"
+fi
+
+# If not from the Makefile, then try config.guess
+#
+if test -z "${target_canonical}" ; then
+ if test -x ./config.guess ; then
+ target_canonical="`config.guess`" ; fi
+ test -z "${target_canonical}" && target_canonical=unknown
+fi
+export target_canonical
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+# Define PWDCMD as a command to use to get the working dir
+# in the form that we want.
+PWDCMD=${PWDCMD-pwd}
+
+case "`$PWDCMD`" in
+//*)
+ # On an Apollo, discard everything before `/usr'.
+ PWDCMD="eval pwd | sed -e 's,.*/usr/,/usr/,'"
+ ;;
+esac
+
+# Original directory.
+ORIGDIR=`${PWDCMD}`
+export ORIGDIR
+FIXINCL=`${PWDCMD}`/fixincl
+if [ ! -x $FIXINCL ] ; then
+ echo "Cannot find fixincl" >&2
+ exit 1
+fi
+export FIXINCL
+
+# Make LIB absolute only if needed to avoid problems with the amd.
+case $LIB in
+/*)
+ ;;
+*)
+ cd $LIB; LIB=`${PWDCMD}`
+ ;;
+esac
+
+if test $VERBOSE -gt 0
+then echo Fixing headers into ${LIB} for ${target_canonical} target ; fi
+
+# Determine whether this system has symbolic links.
+if test -n "$DJDIR"; then
+ LINKS=false
+elif ln -s X $LIB/ShouldNotExist 2>/dev/null; then
+ rm -f $LIB/ShouldNotExist
+ LINKS=true
+elif ln -s X /tmp/ShouldNotExist 2>/dev/null; then
+ rm -f /tmp/ShouldNotExist
+ LINKS=true
+else
+ LINKS=false
+fi
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+# Check to see if the machine_name fix needs to be disabled.
+#
+# On some platforms, machine_name doesn't work properly and
+# breaks some of the header files. Since everything works
+# properly without it, just wipe the macro list to
+# disable the fix.
+
+case "${target_canonical}" in
+ *-*-vxworks*)
+ test -f ${MACRO_LIST} && echo > ${MACRO_LIST}
+ ;;
+esac
+
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+# In the file macro_list are listed all the predefined
+# macros that are not in the C89 reserved namespace (the reserved
+# namespace is all identifiers beginnning with two underscores or one
+# underscore followed by a capital letter). A regular expression to find
+# any of those macros in a header file is written to MN_NAME_PAT.
+#
+# Note dependency on ASCII. \012 = newline.
+# tr ' ' '\n' is, alas, not portable.
+
+if test -s ${MACRO_LIST}
+then
+ if test $VERBOSE -gt 0; then
+ echo "Forbidden identifiers: `tr '\012' ' ' < ${MACRO_LIST}`"
+ fi
+ MN_NAME_PAT="`sed 's/^/\\\\</; s/$/\\\\>/; $!s/$/|/' \
+ < ${MACRO_LIST} | tr -d '\012'`"
+ export MN_NAME_PAT
+else
+ if test $VERBOSE -gt 0
+ then echo "No forbidden identifiers defined by this target" ; fi
+fi
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+# Search each input directory for broken header files.
+# This loop ends near the end of the file.
+#
+if test $# -eq 0
+then
+ INPUTLIST="/usr/include"
+else
+ INPUTLIST="$@"
+fi
+
+for INPUT in ${INPUTLIST} ; do
+
+cd ${ORIGDIR}
+
+# Make sure a directory exists before changing into it,
+# otherwise Solaris2 will fail-exit the script.
+#
+if [ ! -d ${INPUT} ]; then
+ continue
+fi
+cd ${INPUT}
+
+INPUT=`${PWDCMD}`
+export INPUT
+
+#
+# # # # # # # # # # # # # # # # # # # # #
+#
+if test $VERBOSE -gt 1
+then echo Finding directories and links to directories ; fi
+
+# Find all directories and all symlinks that point to directories.
+# Put the list in $all_dirs.
+# Each time we find a symlink, add it to newdirs
+# so that we do another find within the dir the link points to.
+# Note that $all_dirs may have duplicates in it;
+# later parts of this file are supposed to ignore them.
+dirs="."
+levels=2
+all_dirs=""
+search_dirs=""
+
+while [ -n "$dirs" ] && [ $levels -gt 0 ]
+do
+ levels=`expr $levels - 1`
+ newdirs=
+ for d in $dirs
+ do
+ if test $VERBOSE -gt 1
+ then echo " Searching $INPUT/$d" ; fi
+
+ # Find all directories under $d, relative to $d, excluding $d itself.
+ # (The /. is needed after $d in case $d is a symlink.)
+ all_dirs="$all_dirs `find $d/. -type d -print | \
+ sed -e '/\/\.$/d' -e 's@/./@/@g'`"
+ # Find all links to directories.
+ # Using `-exec test -d' in find fails on some systems,
+ # and trying to run test via sh fails on others,
+ # so this is the simplest alternative left.
+ # First find all the links, then test each one.
+ theselinks=
+ $LINKS && \
+ theselinks=`find $d/. -type l -print | sed -e 's@/./@/@g'`
+ for d1 in $theselinks --dummy--
+ do
+ # If the link points to a directory,
+ # add that dir to $newdirs
+ if [ -d $d1 ]
+ then
+ all_dirs="$all_dirs $d1"
+ if [ "`ls -ld $d1 | sed -n 's/.*-> //p'`" != "." ]
+ then
+ newdirs="$newdirs $d1"
+ search_dirs="$search_dirs $d1"
+ fi
+ fi
+ done
+ done
+
+ dirs="$newdirs"
+done
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+dirs=
+if test $VERBOSE -gt 2
+then echo "All directories (including links to directories):"
+ echo $all_dirs
+fi
+
+for file in $all_dirs; do
+ rm -rf $LIB/$file
+ if [ ! -d $LIB/$file ]
+ then mkdir $LIB/$file
+ fi
+done
+mkdir $LIB/root
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+# treetops gets an alternating list
+# of old directories to copy
+# and the new directories to copy to.
+treetops=". ${LIB}"
+
+if $LINKS; then
+ if test $VERBOSE -gt 1
+ then echo 'Making symbolic directory links' ; fi
+ cwd=`${PWDCMD}`
+
+ for sym_link in $search_dirs; do
+ cd ${INPUT}
+ dest=`ls -ld ${sym_link} | sed -n 's/.*-> //p'`
+
+ # In case $dest is relative, get to ${sym_link}'s dir first.
+ #
+ cd ./`echo ${sym_link} | sed 's;/[^/]*$;;'`
+
+ # Check that the target directory exists.
+ # Redirections changed to avoid bug in sh on Ultrix.
+ #
+ (cd $dest) > /dev/null 2>&1
+ if [ $? = 0 ]; then
+ cd $dest
+
+ # full_dest_dir gets the dir that the link actually leads to.
+ #
+ full_dest_dir=`${PWDCMD}`
+
+ # Canonicalize ${INPUT} now to minimize the time an
+ # automounter has to change the result of ${PWDCMD}.
+ #
+ cinput=`cd ${INPUT}; ${PWDCMD}`
+
+ # If a link points to ., make a similar link to .
+ #
+ if [ ${full_dest_dir} = ${cinput} ]; then
+ if test $VERBOSE -gt 2
+ then echo ${sym_link} '->' . ': Making self link' ; fi
+ rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
+ ln -s . ${LIB}/${sym_link} > /dev/null 2>&1
+
+ # If link leads back into ${INPUT},
+ # make a similar link here.
+ #
+ elif expr ${full_dest_dir} : "${cinput}/.*" > /dev/null; then
+ # Y gets the actual target dir name, relative to ${INPUT}.
+ y=`echo ${full_dest_dir} | sed -n "s&${cinput}/&&p"`
+ # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
+ dots=`echo "${sym_link}" |
+ sed -e 's@^./@@' -e 's@/./@/@g' -e 's@[^/][^/]*@..@g' -e 's@..$@@'`
+ if test $VERBOSE -gt 2
+ then echo ${sym_link} '->' $dots$y ': Making local link' ; fi
+ rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
+ ln -s $dots$y ${LIB}/${sym_link} > /dev/null 2>&1
+
+ else
+ # If the link is to a dir $target outside ${INPUT},
+ # repoint the link at ${INPUT}/root$target
+ # and process $target into ${INPUT}/root$target
+ # treat this directory as if it actually contained the files.
+ #
+ if test $VERBOSE -gt 2
+ then echo ${sym_link} '->' root${full_dest_dir} ': Making rooted link'
+ fi
+ if [ -d $LIB/root${full_dest_dir} ]
+ then true
+ else
+ dirname=root${full_dest_dir}/
+ dirmade=.
+ cd $LIB
+ while [ x$dirname != x ]; do
+ component=`echo $dirname | sed -e 's|/.*$||'`
+ mkdir $component >/dev/null 2>&1
+ cd $component
+ dirmade=$dirmade/$component
+ dirname=`echo $dirname | sed -e 's|[^/]*/||'`
+ done
+ fi
+
+ # Duplicate directory structure created in ${LIB}/${sym_link} in new
+ # root area.
+ #
+ for file2 in $all_dirs; do
+ case $file2 in
+ ${sym_link}/*)
+ dupdir=${LIB}/root${full_dest_dir}/`echo $file2 |
+ sed -n "s|^${sym_link}/||p"`
+ if test $VERBOSE -gt 2
+ then echo "Duplicating ${sym_link}'s ${dupdir}" ; fi
+ if [ -d ${dupdir} ]
+ then true
+ else
+ mkdir ${dupdir}
+ fi
+ ;;
+ *)
+ ;;
+ esac
+ done
+
+ # Get the path from ${LIB} to ${sym_link}, accounting for symlinks.
+ #
+ parent=`echo "${sym_link}" | sed -e 's@/[^/]*$@@'`
+ libabs=`cd ${LIB}; ${PWDCMD}`
+ file2=`cd ${LIB}; cd $parent; ${PWDCMD} | sed -e "s@^${libabs}@@"`
+
+ # DOTS is the relative path from ${LIB}/${sym_link} back to ${LIB}.
+ #
+ dots=`echo "$file2" | sed -e 's@/[^/]*@../@g'`
+ rm -fr ${LIB}/${sym_link} > /dev/null 2>&1
+ ln -s ${dots}root${full_dest_dir} ${LIB}/${sym_link} > /dev/null 2>&1
+ treetops="$treetops ${sym_link} ${LIB}/root${full_dest_dir}"
+ fi
+ fi
+ done
+fi
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+required=
+set x $treetops
+shift
+while [ $# != 0 ]; do
+ # $1 is an old directory to copy, and $2 is the new directory to copy to.
+ #
+ SRCDIR=`cd ${INPUT} ; cd $1 ; ${PWDCMD}`
+ export SRCDIR
+
+ FIND_BASE=$1
+ export FIND_BASE
+ shift
+
+ DESTDIR=`cd $1;${PWDCMD}`
+ export DESTDIR
+ shift
+
+ # The same dir can appear more than once in treetops.
+ # There's no need to scan it more than once.
+ #
+ if [ -f ${DESTDIR}/DONE ]
+ then continue ; fi
+
+ touch ${DESTDIR}/DONE
+ if test $VERBOSE -gt 1
+ then echo Fixing directory ${SRCDIR} into ${DESTDIR} ; fi
+
+ # Check files which are symlinks as well as those which are files.
+ #
+ cd ${INPUT}
+ required="$required `if $LINKS; then
+ find ${FIND_BASE}/. -name '*.h' \( -type f -o -type l \) -print
+ else
+ find ${FIND_BASE}/. -name '*.h' -type f -print
+ fi | \
+ sed -e 's;/\./;/;g' -e 's;//*;/;g' | \
+ ${FIXINCL}`"
+done
+
+## Make sure that any include files referenced using double quotes
+## exist in the fixed directory. This comes last since otherwise
+## we might end up deleting some of these files "because they don't
+## need any change."
+set x `echo $required`
+shift
+while [ $# != 0 ]; do
+ newreq=
+ while [ $# != 0 ]; do
+ # $1 is the directory to copy from,
+ # $2 is the unfixed file,
+ # $3 is the fixed file name.
+ #
+ cd ${INPUT}
+ cd $1
+ if [ -f $2 ] ; then
+ if [ -r $2 ] && [ ! -r $3 ]; then
+ cp $2 $3 >/dev/null 2>&1 || echo "Can't copy $2" >&2
+ chmod +w $3 2>/dev/null
+ chmod a+r $3 2>/dev/null
+ if test $VERBOSE -gt 2
+ then echo Copied $2 ; fi
+ for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' $3 |
+ sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`
+ do
+ dir=`echo $2 | sed -e s'|/[^/]*$||'`
+ dir2=`echo $3 | sed -e s'|/[^/]*$||'`
+ newreq="$newreq $1 $dir/$include $dir2/$include"
+ done
+ fi
+ fi
+ shift; shift; shift
+ done
+ set x $newreq
+ shift
+done
+
+if test $VERBOSE -gt 2
+then echo 'Cleaning up DONE files.' ; fi
+cd $LIB
+# Look for files case-insensitively, for the benefit of
+# DOS/Windows filesystems.
+find . -name '[Dd][Oo][Nn][Ee]' -exec rm -f '{}' ';'
+
+if test $VERBOSE -gt 1
+then echo 'Cleaning up unneeded directories:' ; fi
+cd $LIB
+all_dirs=`find . -type d \! -name '.' -print | sort -r`
+for file in $all_dirs; do
+ if rmdir $LIB/$file > /dev/null
+ then
+ test $VERBOSE -gt 3 && echo " removed $file"
+ fi
+done 2> /dev/null
+
+# On systems which don't support symlinks, `find' may barf
+# if called with "-type l" predicate. So only use that if
+# we know we should look for symlinks.
+if $LINKS; then
+ test $VERBOSE -gt 2 && echo "Removing unused symlinks"
+
+ all_dirs=`find . -type l -print`
+ for file in $all_dirs
+ do
+ if test ! -d $file
+ then
+ rm -f $file
+ test $VERBOSE -gt 3 && echo " removed $file"
+ rmdir `dirname $file` > /dev/null && \
+ test $VERBOSE -gt 3 && \
+ echo " removed `dirname $file`"
+ fi
+ done 2> /dev/null
+fi
+
+if test $VERBOSE -gt 0
+then echo fixincludes is done ; fi
+
+# # # # # # # # # # # # # # # # # # # # #
+#
+# End of for INPUT directories
+#
+done
+#
+# # # # # # # # # # # # # # # # # # # # #