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author | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
commit | 40d7cd0fd78fe2004e2a53c4618c148339b02733 (patch) | |
tree | 5874557a6c86a1f564a03e5f28b266e31bc3759c /gcc-4.6/contrib/check_makefile_deps.sh | |
parent | fe2afdf3f3701489c05d2a7509752d6f0c7616f7 (diff) | |
download | toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.gz toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.bz2 toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.zip |
Add gcc-4.6. Synced to @180989
Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile
Diffstat (limited to 'gcc-4.6/contrib/check_makefile_deps.sh')
-rw-r--r-- | gcc-4.6/contrib/check_makefile_deps.sh | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gcc-4.6/contrib/check_makefile_deps.sh b/gcc-4.6/contrib/check_makefile_deps.sh new file mode 100644 index 000000000..60b9c1757 --- /dev/null +++ b/gcc-4.6/contrib/check_makefile_deps.sh @@ -0,0 +1,94 @@ +#! /bin/sh +# +# Check for accurate dependencies in gcc/Makefile.in. +# +# Copyright (C) 2008 Free Software Foundation, Inc. +# Written by Ralf Wildenhues <Ralf.Wildenhues@gmx.de>. +# +# This script is Free Software, and it can be copied, distributed and +# modified as defined in the GNU General Public License. A copy of +# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html +# +# Start this script in an up to date build-tree/gcc directory. +# Using it in stage1 only works if the host compiler is GCC. + +# To continue an interrupted check, make sure there are no *.o.backup +# files lying around (i.e., move them back to their original name), +# and set $start_after to the name of the last object that should be skipped. +start_after= + +# Skip some objects unconditionally; make sure each name in this list is +# surrounded by spaces. +skip=" crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o crtfastmath.o crtprec64.o crtprec80.o crtprec32.o " + +# Files which show up as dependencies other than through unconditional #include. +# This is an egrep pattern. +hidden_dep_files='(BASE-VER|DATESTAMP|DEV-PHASE|Makefile|xcoffout\.h|basic-block\.h|bconfig\.h)$' + +: ${MAKE=make} +: ${EGREP="grep -E"} + +# ------------------------------------------------------------------------- +# There should be no need for changes beyond this point. + +set -e +st=0 + +if test -f c-common.o; then :; else + echo "$0: rerun in an up to date build-tree/gcc directory" >&2 + exit 1 +fi + +for obj in *.o +do + if test -n "$start_after"; then + if test $obj = $start_after; then + start_after= + fi + continue + fi + case $skip in *\ $obj\ *) continue ;; esac + + mv -f $obj $obj.backup + ${MAKE} $obj CFLAGS='-MM -MF depfile' + mv -f $obj.backup $obj + ${MAKE} -t + LC_ALL=C ${MAKE} -d $obj >make-d-log + hdrs=`cat depfile` + for hdr in $hdrs; do + case $hdr in + *: | *.o | \\ | /* ) ;; + *) + echo $hdr ;; + esac + done < depfile | + LC_ALL=C sort -u > hdrs + + + sed -n '/.*Prerequisite..\([^ ]*\). is newer than target .'"$obj"'.*/s//\1/p' \ + < make-d-log | + LC_ALL=C sort -u > not-up-to-date + if test -s not-up-to-date; then + st=1 + echo "$0: error: prerequisites for $obj are not up to date:" >&2 + cat not-up-to-date >&2 + fi + sed -n '/.*Prerequisite..\([^ ]*\). is older than target .'"$obj"'.*/s//\1/p' \ + < make-d-log | + LC_ALL=C sort -u > deps + missing_deps=`LC_ALL=C join -v 1 hdrs deps` + unneeded_deps=`LC_ALL=C join -v 2 hdrs deps | $EGREP -v "$hidden_dep_files" || :` + if test -n "$missing_deps"; then + st=1 + echo "missing deps for $obj:" + echo "$missing_deps" | sed 's/^/ /' + fi + if test -n "$unneeded_deps"; then + # unneeded dependencies are not a big problem, so they cause no failure. + echo "unneeded deps for $obj:" + echo "$unneeded_deps" | sed 's/^/ /' + fi +done +exit $st + +# vi:sw=2: |