make proto fails

[Andreas Jaeger <aj at suse dot de>]

make proto on gcc trunk fails on Linux/x86_64 with:

/abuild/builds/gcc/./prev-gcc/xgcc -B/abuild/builds/gcc/./prev-gcc/ -B/opt/gcc/4.2-devel/x86_64-suse-linux-gnu/bin/ -c -DUNPROTOIZE   -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wmissing-format-attribute -Werror -fno-common   -DHAVE_CONFIG_H -I. -I. -I/cvs/gcc-svn/trunk/gcc -I/cvs/gcc-svn/trunk/gcc/. -I/cvs/gcc-svn/trunk/gcc/../include -I/cvs/gcc-svn/trunk/gcc/../libcpp/include  -I/cvs/gcc-svn/trunk/gcc/../libdecnumber -I../libdecnumber    \
  -DSTANDARD_STARTFILE_PREFIX=\"../../../\" -DSTANDARD_EXEC_PREFIX=\"/opt/gcc/4.2-devel/lib/gcc/\" -DSTANDARD_LIBEXEC_PREFIX=\"/opt/gcc/4.2-devel/libexec/gcc/\" -DDEFAULT_TARGET_VERSION=\"4.2.0\" -DDEFAULT_TARGET_MACHINE=\"x86_64-suse-linux-gnu\" -DSTANDARD_BINDIR_PREFIX=\"/opt/gcc/4.2-devel/bin/\" -DTOOLDIR_BASE_PREFIX=\"../../../../\"  `test "X${SHLIB_LINK}" = "X" || test "yes" != "yes" || echo "-DENABLE_SHARED_LIBGCC"` `test "X${SHLIB_MULTILIB}" = "X" || echo "-DNO_SHARED_LIBGCC_MULTILIB"` \
  /cvs/gcc-svn/trunk/gcc/protoize.c -o unprotoize.o)
cc1: warnings being treated as errors
/cvs/gcc-svn/trunk/gcc/protoize.c: In function âedit_fn_definitionâ:
/cvs/gcc-svn/trunk/gcc/protoize.c:3506: warning: argument âclean_text_pâ might be clobbered by âlongjmpâ or âvforkâ
make: *** [unprotoize.o] Error 1

I don't know what broke this since I haven't bootstrapped gcc the last
three weeks.    Any ideas?

The trivial workaround is to add to gcc/Makefile.in something like:

# Fix for argument âclean_text_pâ might be clobbered by âlongjmpâ or âvforkâ
unprotoize.o-warn = -Wno-error

If I should submit this as patch, please tell me,

Andreas
-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj/
  SUSE Linux Products GmbH, Maxfeldstr. 5, 90409 NÃrnberg, Germany
   GPG fingerprint = 93A3 365E CE47 B889 DF7F  FED1 389A 563C C272 A126

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