3 # Update a local Subversion, Git or Mercurial tree from the GCC
4 # repository, with an emphasis on treating generated files correctly, so
5 # that autoconf, gperf et al are not required for the ``end'' user.
7 # (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
8 # Free Software Foundation
9 # Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
11 # This script is Free Software, and it can be copied, distributed and
12 # modified as defined in the GNU General Public License. A copy of
13 # its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
16 # By default all command-line options are passed to `svn update` or `hg/git
17 # pull` in addition to $UPDATE_OPTIONS (defined below). If the first parameter
18 # reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
21 # If the first parameter reads --patch, the second parameter is considered
24 # If the first parameter is --touch, no svn operation will be performed,
25 # only generated files that appear to be out of date in the local tree
28 # If the first parameter is --list, a list of the generated files and
29 # their dependencies will be printed; --help prints this message.
31 # If the first parameter is --silent, this script prints nothing other
32 # than error messages; the second parameter is then interpreted as above.
36 # contrib/gcc_update -r 8712
37 # contrib/gcc_update --patch some-patch
38 # contrib/gcc_update --touch
39 # contrib/gcc_update --list
42 # Default options used when updating (none).
45 # Set the locale to C to make this script work for users with foreign
46 # locale like e.g. French UTF-8.
51 ######## Anything below shouldn't be changed by regular users.
53 # Arrange for the value of $0 to be available for functions
56 # This function prints its arguments to standard output unless
60 if [ -z "$silent" ]; then
65 # This function prints a list of all generated files, along with their
66 # dependencies. Note that only one target is supported per line: the
67 # colon is stripped from the output.
68 files_and_dependencies () {
69 sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF
71 fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4
72 fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4
74 intl/plural.c: intl/plural.y
75 intl/configure: intl/configure.ac intl/aclocal.m4
76 intl/config.h.in: intl/configure.ac intl/aclocal.m4
77 # Now, proceed to gcc automatically generated files
78 gcc/configure: gcc/configure.ac
79 gcc/cstamp-h.in: gcc/configure.ac
80 gcc/config.in: gcc/cstamp-h.in
81 gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def
82 gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cores.def gcc/config/arm/gentune.sh
83 # And then, language-specific files
84 gcc/cp/cfns.h: gcc/cp/cfns.gperf
85 gcc/java/keyword.h: gcc/java/keyword.gperf
87 # Without this, _Pragma3.c can have a false negative.
88 gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h
89 # Similarly, without this, you will see:
90 # direct2s.c:35: warning: current file is older than direct2.c
91 gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c
93 lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4
94 lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4
95 # And libraries, at last
96 libbanshee/configure: libbanshee/configure.ac
97 libmudflap/configure: libmudflap/configure.ac
98 libobjc/configure: libobjc/configure.ac
99 zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4
100 zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4
101 zlib/configure: zlib/configure.ac zlib/aclocal.m4
102 fastjar/aclocal.m4: fastjar/configure.ac
103 fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4
104 fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4
105 boehm-gc/aclocal.m4: boehm-gc/configure.ac
106 boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4
107 boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4
108 libada/configure: libada/configure.ac
109 libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4
110 libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4
111 libffi/configure: libffi/configure.ac libffi/aclocal.m4
112 libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4
113 libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4
114 libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4
115 libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4
116 libjava/aclocal.m4: libjava/configure.ac
117 libjava/Makefile.in: libjava/Makefile.am libjava/configure.ac libjava/aclocal.m4
118 libjava/configure: libjava/configure.ac libjava/aclocal.m4
119 libjava/libltdl/aclocal.m4: libjava/libltdl/configure.ac libjava/libltdl/acinclude.m4
120 libjava/libltdl/Makefile.in: libjava/libltdl/Makefile.am libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
121 libjava/libltdl/configure: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
122 libjava/libltdl/config-h.in: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
123 libcpp/aclocal.m4: libcpp/configure.ac
124 libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4
125 libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4
126 libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4
127 libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
128 libgomp/testsuite/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
129 libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4
130 libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4
132 Makefile.in: Makefile.tpl Makefile.def
133 configure: configure.ac config/acx.m4
138 # This function touches generated files such that the ``end'' user does
139 # not have to rebuild them.
142 echo 'all: \' > Makefile.$$
143 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
144 echo '; @true' >> Makefile.$$
145 files_and_dependencies | sed 's, ,: ,' >> Makefile.$$
146 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
147 echo ':' >> Makefile.$$
148 echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$
149 echo ' echo Touching $@...; \' >> Makefile.$$
150 chat ' echo Touching $@... 1>&2; \' >> Makefile.$$
151 echo ' touch $@' >> Makefile.$$
152 files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$
154 # We would have to explicitly shut off the "Entering... Leaving..."
155 # messages through "--no-print-directory" to handle the case when
156 # we were called from a recursive invocation (i.e. "$(MAKE)" in a
157 # Makefile, not just make). Passing only "-s" doesn't help then,
158 # because make has helpfully added "-w" to MAKEFLAGS automatically.
159 # Unfortunately we do not require GNU make other than for building
160 # and testing, so let's just grep known text explicitly echoed by
162 while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do
169 # Whenever we update the tree or install a patch, we may be modifying
170 # this script. By re-execing it, we ensure that the appropriate
171 # dependencies and rules will be used.
172 touch_files_reexec () {
173 chat "Adjusting file timestamps"
174 exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch
177 # This functions applies a patch to an existing tree.
180 echo "Applying patch file $1"
183 gzip -d -c "$1" | patch -p1 ;;
185 bzip2 -d -c "$1" | patch -p1 ;;
193 # Check whether this indeed looks like a local tree.
194 if [ ! -f gcc/version.c ]; then
195 echo "This does not seem to be a GCC tree!"
207 # First of all, check whether we are going to process a patch.
209 if test "$#" != 2; then
210 echo "$1" expects only one argument >&2
218 if test "$#" != 1; then
219 echo "$1" does not expect any argument >&2
227 if test "$#" != 1; then
228 echo "$1" does not expect any argument >&2
231 files_and_dependencies | sed 's/ /: /'
236 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\
241 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0
247 # Check for known version control systems.
249 GCC_GIT=${GCC_GIT-${GIT-git}}
251 elif [ -d .hg ]; then
252 GCC_HG=${GCC_HG-${HG-hg}}
254 elif [ -d .svn ]; then
255 GCC_SVN=${GCC_SVN-${SVN-svn}}
258 echo "This does not seem to be a GCC GIT/HG/SVN tree!"
262 # Check command-line options
263 if [ x"${1}"x = x"--nostdflags"x ]; then
266 set -- $UPDATE_OPTIONS ${1+"$@"}
271 chat "Updating GIT tree"
273 $GCC_GIT diff --quiet --exit-code HEAD
274 if [ $? -ne 0 ]; then
275 echo "Attempting to update a dirty git tree!" >&2
276 echo "Commit or stash your changes first and retry." >&2
280 $GCC_GIT pull ${silent+-q} --rebase ${1+"$@"}
281 if [ $? -ne 0 ]; then
283 echo "git pull of full tree failed." >&2
287 revision=`$GCC_GIT log -n1 --pretty=%p:%t:%H`
288 branch=`$GCC_GIT name-rev --name-only HEAD || :`
292 chat "Updating HG tree"
294 # Add -q so untracked files aren't listed.
295 if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then
296 echo "Attempting to update a dirty hg tree!" >&2
297 echo "Commit or revert your changes first and retry." >&2
301 # Check for mq extension. mq patches must be popped so tip has
302 # been converted from the SVN tree.
303 if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then
304 # FIXME: Perhaps pop queue instead? We could do that since we
305 # know the tree is clean.
306 echo "Attempting to update hg tree with mq patches applied!" >&2
307 echo "Pop your patches first and retry." >&2
311 # Update tree, but make sure to only pull the default branch.
312 # Otherwise all branches in the upstream repo are added, even if
313 # only a single one has been cloned.
314 $GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"}
315 if [ $? -ne 0 ]; then
317 echo "hg pull of full tree failed." >&2
321 # Update tree. Needs to be done separately from pull so
322 # gcc_update -rREV works.
323 $GCC_HG update ${silent+-q} ${1+"$@"}
324 if [ $? -ne 0 ]; then
326 echo "hg update of full tree failed." >&2
330 # Extract SVN revision corresponding to parents, as stored by
331 # hg convert. Before hg 1.4.3, there's no template keyword
332 # corresponding to the extra: tag, so need to use hg log --debug
333 # to extract the info.
334 parents=`$GCC_HG parents --template '{rev}'`
335 revision=`$GCC_HG log --debug -r$parents | \
336 sed -ne "/^extra:.*convert_revision=svn:/ {
340 branch=`$GCC_HG branch`
341 # trunk in SVN parlance shows up as default branch in hg.
342 [ x$branch = x"default" ] && branch="trunk"
346 chat "Updating SVN tree"
348 $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"}
349 if [ $? -ne 0 ]; then
351 echo "SVN update of full tree failed." >&2
355 revision=`svn info | awk '/Revision:/ { print $2 }'`
356 branch=`svn info | sed -ne "/URL:/ {
365 rm -f LAST_UPDATED gcc/REVISION
368 echo "`TZ=UTC date` (revision $revision)"
370 echo "[$branch revision $revision]" > gcc/REVISION