gcc_update revision 1.1
1 #! /bin/sh 2 # 3 # Update a local Subversion tree from the GCC repository, with an emphasis 4 # on treating generated files correctly, so that autoconf, gperf et 5 # al are not required for the ``end'' user. 6 # 7 # (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation 8 # Originally by Gerald Pfeifer <pfeifer (at] dbai.tuwien.ac.at>, August 1998. 9 # 10 # This script is Free Software, and it can be copied, distributed and 11 # modified as defined in the GNU General Public License. A copy of 12 # its license can be downloaded from http://www.gnu.org/copyleft/gpl.html 13 # 14 # 15 # By default all command-line options are passed to `svn update` in 16 # addition to $UPDATE_OPTIONS (defined below). If the first parameter 17 # reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself 18 # are omitted. 19 # 20 # If the first parameter reads --patch, the second parameter is considered 21 # a patch file. 22 # 23 # If the first parameter is --touch, no svn operation will be performed, 24 # only generated files that appear to be out of date in the local tree 25 # will be touched. 26 # 27 # If the first parameter is --list, a list of the generated files and 28 # their dependencies will be printed; --help prints this message. 29 # 30 # If the first parameter is --silent, this script prints nothing other 31 # than error messages; the second parameter is then interpreted as above. 32 # 33 # Examples: 34 # 35 # contrib/gcc_update -r 8712 36 # contrib/gcc_update --patch some-patch 37 # contrib/gcc_update --touch 38 # contrib/gcc_update --list 39 40 41 # SVN command 42 GCC_SVN=${GCC_SVN-${SVN-svn}} 43 # Default options used when updating via SVN (none). 44 UPDATE_OPTIONS="" 45 46 ######## Anything below shouldn't be changed by regular users. 47 48 # Arrange for the value of $0 to be available for functions 49 self=$0 50 51 # This function prints its arguments to standard output unless 52 # "silent" is set. 53 unset silent 54 chat () { 55 if [ -z "$silent" ]; then 56 echo "$@" 57 fi 58 } 59 60 # This function prints a list of all generated files, along with their 61 # dependencies. Note that only one target is supported per line: the 62 # colon is stripped from the output. 63 files_and_dependencies () { 64 sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF 65 # fixincludes 66 fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4 67 fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4 68 # intl library 69 intl/plural.c: intl/plural.y 70 intl/configure: intl/configure.ac intl/aclocal.m4 71 intl/config.h.in: intl/configure.ac intl/aclocal.m4 72 # Now, proceed to gcc automatically generated files 73 gcc/configure: gcc/configure.ac 74 gcc/cstamp-h.in: gcc/configure.ac 75 gcc/config.in: gcc/cstamp-h.in 76 gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def 77 gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cores.def gcc/config/arm/gentune.sh 78 # And then, language-specific files 79 gcc/cp/cfns.h: gcc/cp/cfns.gperf 80 gcc/java/keyword.h: gcc/java/keyword.gperf 81 # testsuite 82 # Without this, _Pragma3.c can have a false negative. 83 gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h 84 # Similarly, without this, you will see: 85 # direct2s.c:35: warning: current file is older than direct2.c 86 gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c 87 # lto-plugin 88 lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4 89 lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4 90 # And libraries, at last 91 libbanshee/configure: libbanshee/configure.ac 92 libmudflap/configure: libmudflap/configure.ac 93 libobjc/configure: libobjc/configure.ac 94 zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4 95 zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4 96 zlib/configure: zlib/configure.ac zlib/aclocal.m4 97 fastjar/aclocal.m4: fastjar/configure.ac 98 fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4 99 fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4 100 boehm-gc/aclocal.m4: boehm-gc/configure.ac 101 boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4 102 boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4 103 libada/configure: libada/configure.ac 104 libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4 105 libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4 106 libffi/configure: libffi/configure.ac libffi/aclocal.m4 107 libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4 108 libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4 109 libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4 110 libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4 111 libjava/aclocal.m4: libjava/configure.ac 112 libjava/Makefile.in: libjava/Makefile.am libjava/configure.ac libjava/aclocal.m4 113 libjava/configure: libjava/configure.ac libjava/aclocal.m4 114 libjava/libltdl/aclocal.m4: libjava/libltdl/configure.ac libjava/libltdl/acinclude.m4 115 libjava/libltdl/Makefile.in: libjava/libltdl/Makefile.am libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4 116 libjava/libltdl/configure: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4 117 libjava/libltdl/config-h.in: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4 118 libcpp/aclocal.m4: libcpp/configure.ac 119 libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4 120 libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4 121 libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4 122 libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4 123 libgomp/testsuite/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4 124 libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4 125 libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4 126 # Top level 127 Makefile.in: Makefile.tpl Makefile.def 128 configure: configure.ac config/acx.m4 129 EOF 130 } 131 132 133 # This function touches generated files such that the ``end'' user does 134 # not have to rebuild them. 135 touch_files () { 136 rm -f Makefile.$$ 137 echo 'all: \' > Makefile.$$ 138 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 139 echo '; @true' >> Makefile.$$ 140 files_and_dependencies | sed 's, ,: ,' >> Makefile.$$ 141 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 142 echo ':' >> Makefile.$$ 143 echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$ 144 echo ' echo Touching $@...; \' >> Makefile.$$ 145 chat ' echo Touching $@... 1>&2; \' >> Makefile.$$ 146 echo ' touch $@' >> Makefile.$$ 147 files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$ 148 149 # We would have to explicitly shut off the "Entering... Leaving..." 150 # messages through "--no-print-directory" to handle the case when 151 # we were called from a recursive invocation (i.e. "$(MAKE)" in a 152 # Makefile, not just make). Passing only "-s" doesn't help then, 153 # because make has helpfully added "-w" to MAKEFLAGS automatically. 154 # Unfortunately we do not require GNU make other than for building 155 # and testing, so let's just grep known text explicitly echoed by 156 # the rule. 157 while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do 158 sleep 1 159 done 2>&1 160 rm -f Makefile.$$ 161 } 162 163 164 # Whenever we update the tree or install a patch, we may be modifying 165 # this script. By re-execing it, we ensure that the appropriate 166 # dependencies and rules will be used. 167 touch_files_reexec () { 168 chat "Adjusting file timestamps" 169 exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch 170 } 171 172 # This functions applies a patch to an existing tree. 173 apply_patch () { 174 if [ -f "$1" ]; then 175 echo "Applying patch file $1" 176 case $1 in 177 *gz) 178 gzip -d -c "$1" | patch -p1 ;; 179 *bz2) 180 bzip2 -d -c "$1" | patch -p1 ;; 181 *) 182 patch -p1 < "$1";; 183 esac 184 fi 185 touch_files_reexec 186 } 187 188 # Check whether this indeed looks like a local tree. 189 if [ ! -f gcc/version.c ]; then 190 echo "This does not seem to be a GCC tree!" 191 exit 192 fi 193 194 case "$1" in 195 --silent) 196 silent=t 197 shift 198 ;; 199 esac 200 201 case "$1" in 202 # First of all, check whether we are going to process a patch. 203 --patch) 204 if test "$#" != 2; then 205 echo "$1" expects only one argument >&2 206 exit 1 207 fi 208 apply_patch "${2}" 209 exit $? 210 ;; 211 212 --touch) 213 if test "$#" != 1; then 214 echo "$1" does not expect any argument >&2 215 exit 1 216 fi 217 touch_files 218 exit $? 219 ;; 220 221 --list) 222 if test "$#" != 1; then 223 echo "$1" does not expect any argument >&2 224 exit 1 225 fi 226 files_and_dependencies | sed 's/ /: /' 227 exit $? 228 ;; 229 230 --help) 231 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\ 232 \ 233 234 p 235 }' \ 236 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0 237 exit $? 238 ;; 239 240 esac 241 242 # Check whether this indeed looks like a local SVN tree. 243 if [ ! -d .svn ]; then 244 echo "This does not seem to be a GCC SVN tree!" 245 exit 246 fi 247 248 # Check command-line options 249 if [ x"${1}"x = x"--nostdflags"x ]; then 250 shift 251 else 252 set -- $UPDATE_OPTIONS ${1+"$@"} 253 fi 254 255 chat "Updating SVN tree" 256 257 $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"} 258 if [ $? -ne 0 ]; then 259 (touch_files_reexec) 260 echo "SVN update of full tree failed." >&2 261 exit 1 262 fi 263 264 rm -f LAST_UPDATED gcc/REVISION 265 266 revision=`svn info | awk '/Revision:/ { print $2 }'` 267 branch=`svn info | sed -ne "/URL:/ { 268 s,.*/trunk,trunk, 269 s,.*/branches/,, 270 s,.*/tags/,, 271 p 272 }"` 273 { 274 date 275 echo "`TZ=UTC date` (revision $revision)" 276 } > LAST_UPDATED 277 278 echo "[$branch revision $revision]" > gcc/REVISION 279 280 touch_files_reexec 281
Indexes created Tue May 05 00:25:04 UTC 2026