3 # Update a local CVS tree from the GCC repository, with an emphasis
4 # on treating generated files correctly, so that autoconf, bison et
5 # al are not required for the ``end'' user.
7 # By default all command-line options are passed to `cvs update` in
8 # addition to $UPDATE_OPTIONS (defined below). If the first parameter
9 # reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
12 # If the first parameter reads --patch, the second parameter is considered
15 # If the first parameter is --touch, no cvs operation will be performed,
16 # only generated files that appear to be out of date in the local tree
19 # If the first parameter is --list, a list of the generated files and
20 # their dependencies will be printed; --help prints this message.
24 # contrib/gcc_update -r gcc_latest_snapshot
25 # contrib/gcc_update -A
26 # contrib/gcc_update --nostdflags -P -r gcc-2_95-branch gcc/testsuite
27 # contrib/gcc_update --patch some-patch
28 # contrib/gcc_update --touch
29 # contrib/gcc_update --list
32 # (C) 1998-2000 Free Software Foundation
33 # Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
35 # This script is Free Software, and it can be copied, distributed and
36 # modified as defined in the GNU General Public License. A copy of
37 # its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
40 # Default options used when updating via CVS.
42 # Add -d to create any directories that exist in the repository but not
44 # Add -A to reset any sticky tags, dates, or `-k' options.
47 # This function prints a list of all generated files, along with their
48 # dependencies. Note that only one target is supported per line: the
49 # colon is stripped from the output.
50 files_and_dependencies () {
51 sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF
52 # All automake dependencies within texinfo
53 # In fact, not all, since we do not care about sub-directories that
54 # we do not build. In particular, *.po and *.gmo are not touched.
55 texinfo/aclocal.m4: texinfo/configure.in texinfo/acinclude.m4
56 texinfo/Makefile.in: texinfo/Makefile.am texinfo/configure.in texinfo/aclocal.m4
57 texinfo/configure: texinfo/configure.in texinfo/aclocal.m4
58 texinfo/stamp-h.in: texinfo/configure.in texinfo/aclocal.m4 texinfo/acconfig.h
59 texinfo/lib/Makefile.in: texinfo/lib/Makefile.am texinfo/configure.in texinfo/aclocal.m4
60 texinfo/makeinfo/Makefile.in: texinfo/makeinfo/Makefile.am texinfo/configure.in texinfo/aclocal.m4
61 texinfo/util/Makefile.in: texinfo/util/Makefile.am texinfo/configure.in texinfo/aclocal.m4
62 # Now, proceed to gcc automatically generated files
63 gcc/configure: gcc/configure.in
64 gcc/cstamp-h.in: gcc/configure.in gcc/acconfig.h
65 gcc/config.in: gcc/cstamp-h.in
66 gcc/c-parse.y: gcc/c-parse.in
67 gcc/c-parse.c: gcc/c-parse.y
68 gcc/c-parse.h: gcc/c-parse.c
69 gcc/c-gperf.h: gcc/c-parse.gperf
70 gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def
71 # And then, language-specific files
72 gcc/cp/parse.c: gcc/cp/parse.y
73 gcc/cp/parse.h: gcc/cp/parse.c
74 gcc/objc/objc-parse.y: gcc/c-parse.in
75 gcc/objc/objc-parse.c: gcc/objc/objc-parse.y
76 gcc/java/parse.h: gcc/java/parse.y
77 gcc/java/parse.c: gcc/java/parse.y gcc/java/lex.c gcc/java/parse.h gcc/java/lex.h
78 gcc/java/parse-scan.c: gcc/java/parse-scan.y gcc/java/lex.c gcc/java/parse.h gcc/java/lex.h
79 # And libraries, at last
80 libchill/configure: libchill/configure.in
81 libf2c/configure: libf2c/configure.in
82 libf2c/libF77/configure: libf2c/libF77/configure.in
83 libf2c/libI77/configure: libf2c/libI77/configure.in
84 libf2c/libU77/configure: libf2c/libU77/configure.in
85 libf2c/libU77/stamp-h.in: libf2c/libU77/configure.in libf2c/libU77/acconfig.h
86 libobjc/configure: libobjc/configure.in
91 # This function checks whether its first argument is newer than all
92 # the other arguments. It returns success (0) otherwise.
94 test `ls -1dt ${1+"$@"} | sed 1q` != "$1"
98 # This function touches generated files such that the ``end'' user does
99 # not have to rebuild them.
101 files_and_dependencies | while read f deps; do
102 if test -f $f && is_out_of_date "$f" $deps; then
103 echo Touching "$f"...
105 if is_out_of_date "$f" $deps; then
106 # Hmm, it may have got the same timestamp as one of
107 # its touched dependencies. Wait a second and retry
116 # This functions applies a patch to an existing tree.
119 echo "Applying patch file $1"
122 gzip -d -c $1 | patch -p1 ;;
124 bzip2 -d -c $1 | patch -p1 ;;
126 cat $1 | patch -p1 ;;
129 echo "Adjusting file timestamps"
133 # Check whether this indeed looks like a local tree.
134 if [ ! -f gcc/version.c ]; then
135 echo "This does not seem to be a GCC tree!"
140 # First of all, check whether we are going to process a patch.
142 if test "$#" != 2; then
143 echo "$1" expects only one argument >&2
151 if test "$#" != 1; then
152 echo "$1" does not expect any argument >&2
160 if test "$#" != 1; then
161 echo "$1" does not expect any argument >&2
164 files_and_dependencies | sed 's/ /: /'
169 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\
174 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0
180 # Check whether this indeed looks like a local CVS tree.
181 if [ ! -d CVS ]; then
182 echo "This does not seem to be a GCC CVS tree!"
186 # Check command-line options
187 if [ x"${1}"x = x"--nostdflags"x ]; then
190 set -- $UPDATE_OPTIONS ${1+"$@"}
193 echo "Updating CVS tree"
194 cvs -q update ${1+"$@"}
195 if [ $? -ne 0 ]; then
196 echo "CVS update of full tree failed." >&2
200 echo "Adjusting file timestamps"