diff options
Diffstat (limited to 'gnu/usr.bin/gcc/contrib/gcc_update')
| -rwxr-xr-x | gnu/usr.bin/gcc/contrib/gcc_update | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/gnu/usr.bin/gcc/contrib/gcc_update b/gnu/usr.bin/gcc/contrib/gcc_update new file mode 100755 index 00000000000..d5ffc5e4a45 --- /dev/null +++ b/gnu/usr.bin/gcc/contrib/gcc_update @@ -0,0 +1,237 @@ +#! /bin/sh +# +# 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. +# +# 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+# +# If the first parameter is --touch, no cvs operation will be performed, +# only generated files that appear to be out of date in the local tree +# will be touched. +# +# If the first parameter is --list, a list of the generated files and +# their dependencies will be printed; --help prints this message. +# +# Examples: +# +# 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, 2000, 2001, 2002, 2003 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 +# 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 + + +# Default options used when updating via CVS. +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=$0 + +# This function prints a list of all generated files, along with their +# dependencies. Note that only one target is supported per line: the +# colon is stripped from the output. +files_and_dependencies () { + sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF +# All automake dependencies within texinfo +# In fact, not all, since we do not care about sub-directories that +# we do not build. In particular, *.po and *.gmo are not touched. +texinfo/aclocal.m4: texinfo/configure.in texinfo/acinclude.m4 +texinfo/Makefile.in: texinfo/Makefile.am texinfo/configure.in texinfo/aclocal.m4 +texinfo/configure: texinfo/configure.in texinfo/aclocal.m4 +texinfo/stamp-h.in: texinfo/configure.in texinfo/aclocal.m4 texinfo/acconfig.h +texinfo/lib/Makefile.in: texinfo/lib/Makefile.am texinfo/configure.in texinfo/aclocal.m4 +texinfo/makeinfo/Makefile.in: texinfo/makeinfo/Makefile.am texinfo/configure.in texinfo/aclocal.m4 +texinfo/util/Makefile.in: texinfo/util/Makefile.am texinfo/configure.in texinfo/aclocal.m4 +# Now, proceed to gcc automatically generated files +gcc/configure: gcc/configure.in +gcc/cstamp-h.in: gcc/configure.in gcc/acconfig.h +gcc/config.in: gcc/cstamp-h.in +gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def +gcc/intl/plural.c: gcc/intl/plural.y +# And then, language-specific files +gcc/f/intdoc.texi: gcc/f/intdoc.in gcc/f/intdoc.c gcc/f/intrin.h gcc/f/intrin.def +gcc/cp/cfns.h: gcc/cp/cfns.gperf +gcc/java/keyword.h: gcc/java/keyword.gperf +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 +# testsuite +# Without this, _Pragma3.c can have a false negative. +gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h +# And libraries, at last +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 touches generated files such that the ``end'' user does +# not have to rebuild them. +touch_files () { + 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 + echo "Applying patch file $1" + case "$1" in + *gz) + gzip -d -c $1 | patch -p1 ;; + *bz2) + bzip2 -d -c $1 | patch -p1 ;; + *) + cat $1 | patch -p1 ;; + esac + fi + 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 a GCC tree!" + exit +fi + +case "$1" in +# First of all, check whether we are going to process a patch. +--patch) + if test "$#" != 2; then + echo "$1" expects only one argument >&2 + exit 1 + fi + apply_patch "${2}" + exit $? + ;; + +--touch) + if test "$#" != 1; then + echo "$1" does not expect any argument >&2 + exit 1 + fi + touch_files + exit $? + ;; + +--list) + if test "$#" != 1; then + echo "$1" does not expect any argument >&2 + exit 1 + fi + files_and_dependencies | sed 's/ /: /' + exit $? + ;; + +--help) + sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\ +\ + +p +}' \ + -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0 + exit $? + ;; + +esac + +# Check whether this indeed looks like a local CVS tree. +if [ ! -d CVS ]; then + echo "This does not seem to be a GCC CVS tree!" + exit +fi + +# Check command-line options +if [ x"${1}"x = x"--nostdflags"x ]; then + shift +else + set -- $UPDATE_OPTIONS ${1+"$@"} +fi + +echo "Updating CVS tree" +cvs -q update ${1+"$@"} +if [ $? -ne 0 ]; then + (touch_files_reexec) + echo "CVS update of full tree failed." >&2 + exit 1 +fi + +{ + date + TZ=UTC date +} > LAST_UPDATED +touch_files_reexec |