#! /bin/sh
#
-# Update a local CVS tree from the egcs repository, with an emphasis
-# on treating generated files correctly, so that autoconf, bison et
+# Update a local CVS tree from the GCC repository, with an emphasis
+# on treating generated files correctly, so that autoconf, gperf et
# al are not required for the ``end'' user.
#
# By default all command-line options are passed to `cvs update` in
# addition to $UPDATE_OPTIONS (defined below). If the first parameter
# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
-# are omitted.
-#
+# are omitted.
+#
# If the first parameter reads --patch, the second parameter is considered
# a patch file.
-#
+#
# If the first parameter is --touch, no cvs operation will be performed,
# only generated files that appear to be out of date in the local tree
# will be touched.
#
# Examples:
#
-# contrib/egcs_update -r egcs_latest_snapshot
-# contrib/egcs_update -A
-# contrib/egcs_update --nostdflags -P -r egcs_1_1_branch gcc/testsuite
-# contrib/egcs_update --patch some-patch
-# contrib/egcs_update --touch
-# contrib/egcs_update --list
+# contrib/gcc_update -r gcc_latest_snapshot
+# contrib/gcc_update -A
+# contrib/gcc_update --nostdflags -P -r gcc-2_95-branch gcc/testsuite
+# contrib/gcc_update --patch some-patch
+# contrib/gcc_update --touch
+# contrib/gcc_update --list
#
#
-# (C) 1998-1999 Free Software Foundation
+# (C) 1998, 1999, 2000, 2001 Free Software Foundation
# Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
#
# This script is Free Software, and it can be copied, distributed and
# Default options used when updating via CVS.
-UPDATE_OPTIONS=-P
-# Add -d to create any directories that exist in the repository but not
-# locally.
-# Add -A to reset any sticky tags, dates, or `-k' options.
+UPDATE_OPTIONS=-Pd
+# Use -P to prune empty directories.
+# Use -d to create any directories that exist in the repository but not
+# locally.
+# Use -A to reset any sticky tags, dates, or `-k' options.
+
+######## Anything below shouldn't be changed by regular users.
+# Arrange for the value of $0 to be available for functions
+self=$0
# This function prints a list of all generated files, along with their
# dependencies. Note that only one target is supported per line: the
gcc/configure: gcc/configure.in
gcc/cstamp-h.in: gcc/configure.in gcc/acconfig.h
gcc/config.in: gcc/cstamp-h.in
-gcc/c-parse.y: gcc/c-parse.in
-gcc/c-parse.c: gcc/c-parse.y
-gcc/c-parse.h: gcc/c-parse.c
-gcc/c-gperf.h: gcc/c-parse.gperf
-gcc/cexp.c: gcc/cexp.y
gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def
-gcc/fixinc/inclhack.sh: gcc/fixinc/inclhack.def gcc/fixinc/inclhack.tpl gcc/fixinc/hackshell.tpl
-gcc/fixinc/fixincl.sh: gcc/fixinc/inclhack.def gcc/fixinc/inclhack.tpl
# And then, language-specific files
-gcc/cp/parse.c: gcc/cp/parse.y
-gcc/cp/parse.h: gcc/cp/parse.c
-gcc/objc/objc-parse.y: gcc/c-parse.in
-gcc/objc/objc-parse.c: gcc/objc/objc-parse.y
-gcc/java/parse.h: gcc/java/parse.y
-gcc/java/parse.c: gcc/java/parse.y gcc/java/lex.c gcc/java/parse.h gcc/java/lex.h
-gcc/java/parse-scan.c: gcc/java/parse-scan.y gcc/java/lex.c gcc/java/parse.h gcc/java/lex.h
+gcc/f/intdoc.texi: gcc/f/intdoc.in gcc/f/intdoc.c gcc/f/intrin.h gcc/f/intrin.def
+gcc/ada/treeprs.ads: gcc/ada/treeprs.adt gcc/ada/sinfo.ads gcc/ada/xtreeprs.adb
+gcc/ada/einfo.h: gcc/ada/einfo.ads gcc/ada/einfo.adb gcc/ada/xeinfo.adb
+gcc/ada/sinfo.h: gcc/ada/sinfo.ads gcc/ada/xsinfo.adb
+gcc/ada/nmake.adb: gcc/ada/sinfo.ads gcc/ada/nmake.adt gcc/ada/xnmake.adb
+gcc/ada/nmake.ads: gcc/ada/sinfo.ads gcc/ada/nmake.adt gcc/ada/xnmake.adb
+gcc/ada/gnat_ug_unx.texi: gcc/ada/gnat_ug.texi gcc/ada/xgnatug.adb gcc/ada/ug_words
+gcc/ada/gnat_ug_vms.texi: gcc/ada/gnat_ug.texi gcc/ada/xgnatug.adb gcc/ada/ug_words
+gcc/ada/gnat_ug_vxw.texi: gcc/ada/gnat_ug.texi gcc/ada/xgnatug.adb gcc/ada/ug_words
+gcc/ada/gnat_ug_w32.texi: gcc/ada/gnat_ug.texi gcc/ada/xgnatug.adb gcc/ada/ug_words
# And libraries, at last
-libchill/configure: libchill/configure.in
libf2c/configure: libf2c/configure.in
libf2c/libF77/configure: libf2c/libF77/configure.in
libf2c/libI77/configure: libf2c/libI77/configure.in
+libf2c/libI77/stamp-h.in: libf2c/libI77/configure.in
+libf2c/libI77/config.h.in: libf2c/libI77/configure.in libf2c/libI77/stamp-h.in
libf2c/libU77/configure: libf2c/libU77/configure.in
libf2c/libU77/stamp-h.in: libf2c/libU77/configure.in libf2c/libU77/acconfig.h
libobjc/configure: libobjc/configure.in
+# fastjar
+fastjar/aclocal.m4: fastjar/configure.in
+fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.in fastjar/aclocal.m4
+fastjar/configure: fastjar/configure.in fastjar/aclocal.m4
+fastjar/stamp-h.in: fastjar/configure.in fastjar/aclocal.m4
+boehm-gc/aclocal.m4: boehm-gc/configure.in boehm-gc/acinclude.m4
+boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.in boehm-gc/aclocal.m4
+boehm-gc/configure: boehm-gc/configure.in boehm-gc/aclocal.m4
+libjava/aclocal.m4: libjava/configure.in libjava/acinclude.m4
+libjava/Makefile.in: libjava/Makefile.am libjava/configure.in libjava/aclocal.m4
+libjava/configure: libjava/configure.in libjava/aclocal.m4
+libjava/libltdl/aclocal.m4: libjava/libltdl/configure.in libjava/libltdl/acinclude.m4
+libjava/libltdl/Makefile.in: libjava/libltdl/Makefile.am libjava/libltdl/configure.in libjava/libltdl/aclocal.m4
+libjava/libltdl/configure: libjava/libltdl/configure.in libjava/libltdl/aclocal.m4
+libjava/libltdl/stamp-h.in: libjava/libltdl/configure.in libjava/libltdl/aclocal.m4 libjava/libltdl/acconfig.h
+# Top level
+Makefile.in: Makefile.tpl Makefile.def
EOF
}
-# This function checks whether its first argument is newer than all
-# the other arguments. It returns success (0) otherwise.
-is_out_of_date () {
- test `ls -1dt ${1+"$@"} | sed 1q` != "$1"
-}
-
-
# This function touches generated files such that the ``end'' user does
# not have to rebuild them.
touch_files () {
- files_and_dependencies | while read f deps; do
- if test -f $f && is_out_of_date "$f" $deps; then
- echo Touching "$f"...
- touch $f
- if is_out_of_date "$f" $deps; then
- # Hmm, it may have got the same timestamp as one of
- # its touched dependencies. Wait a second and retry
- sleep 1
- touch $f
- fi
- fi
- done
+ rm -f Makefile.$$
+ echo 'all: \' > Makefile.$$
+ files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
+ echo '; @true' >> Makefile.$$
+ files_and_dependencies | sed 's, ,: ,' >> Makefile.$$
+ files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
+ echo ':' >> Makefile.$$
+ echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$
+ echo ' echo Touching $@...; \' >> Makefile.$$
+ echo ' echo Touching $@... 1>&2; \' >> Makefile.$$
+ echo ' touch $@' >> Makefile.$$
+ files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$
+ while ${MAKE-make} -s -f Makefile.$$ all | grep . > /dev/null; do
+ sleep 1
+ done 2>&1
+ rm -f Makefile.$$
}
+# Whenever we update the tree or install a patch, we may be modifying
+# this script. By re-execing it, we ensure that the appropriate
+# dependencies and rules will be used.
+touch_files_reexec () {
+ echo "Adjusting file timestamps"
+ exec ${CONFIG_SHELL-/bin/sh} $self --touch
+}
+
# This functions applies a patch to an existing tree.
apply_patch () {
if [ -f $1 ]; then
cat $1 | patch -p1 ;;
esac
fi
- echo "Adjusting file timestamps"
- touch_files
+ touch_files_reexec
}
# Check whether this indeed looks like a local tree.
if [ ! -f gcc/version.c ]; then
- echo "This does not seem to be an egcs tree!"
+ echo "This does not seem to be a GCC tree!"
exit
fi
case "$1" in
# First of all, check whether we are going to process a patch.
---patch)
+--patch)
if test "$#" != 2; then
echo "$1" expects only one argument >&2
exit 1
# Check whether this indeed looks like a local CVS tree.
if [ ! -d CVS ]; then
- echo "This does not seem to be an egcs CVS tree!"
+ echo "This does not seem to be a GCC CVS tree!"
exit
fi
echo "Updating CVS tree"
cvs -q update ${1+"$@"}
-if [ $? -ne 0 ]; then
+if [ $? -ne 0 ]; then
+ (touch_files_reexec)
echo "CVS update of full tree failed." >&2
exit 1
fi
-echo "Adjusting file timestamps"
-touch_files
+{
+ date
+ TZ=UTC date
+} > LAST_UPDATED
+touch_files_reexec
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