Hį I have experienced this bug for the past 2-3 days. I'm not sure if it's a bug or I have missed something important.
I have a complete build log available if needed. Here's the tail of the log. Thanks ahead of time for your help. George.. libtool: compile: /tools/gcc/obj-i686-pc-linux-gnu/./gcc/xgcc -shared-libgcc -B/tools/gcc/obj-i686-pc-linux-gnu/./gcc -nostdinc++ -L/tools/gcc/obj-i686-pc-linux-gnu/x86_64-pc-linux-gnu/libstdc++-v3/src -L/tools/gcc/obj-i686-pc-linux-gnu/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs -L/tools/gcc/obj-i686-pc-linux-gnu/x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs -B/usr/lsd/Linux/x86_64-pc-linux-gnu/bin/ -B/usr/lsd/Linux/x86_64-pc-linux-gnu/lib/ -isystem /usr/lsd/Linux/x86_64-pc-linux-gnu/include -isystem /usr/lsd/Linux/x86_64-pc-linux-gnu/sys-include -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DHAVE_RPC_XDR_H=1 -DHAVE_TIRPC_RPC_XDR_H=0 -I. -I../../../../gcc/libsanitizer/sanitizer_common -I.. -I ../../../../gcc/libsanitizer/include -isystem ../../../../gcc/libsanitizer/include/system -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long -fPIC -fno-builtin -fno-exceptions -fno-rtti -fomit-frame-pointer -funwind-tables -fvisibility=hidden -Wno-variadic-macros -I../../libstdc++-v3/include -I../../libstdc++-v3/include/x86_64-pc-linux-gnu -I../../../../gcc/libsanitizer/../libstdc++-v3/libsupc++ -std=gnu++11 -DSANITIZER_LIBBACKTRACE -DSANITIZER_CP_DEMANGLE -I ../../../../gcc/libsanitizer/../libbacktrace -I ../libbacktrace -I ../../../../gcc/libsanitizer/../include -include ../../../../gcc/libsanitizer/libbacktrace/backtrace-rename.h -g -O2 -D_GNU_SOURCE -MT sanitizer_stoptheworld_linux_libcdep.lo -MD -MP -MF .deps/sanitizer_stoptheworld_linux_libcdep.Tpo -c ../../../../gcc/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc -fPIC -DPIC -o .libs/sanitizer_stoptheworld_linux_libcdep.o ../../../../gcc/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: In function 'int __sanitizer::TracerThread(void*)': ../../../../gcc/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate 'sigaltstack handler_stack' has incomplete type and cannot be defined struct sigaltstack handler_stack; ^~~~~~~~~~~~~ make[4]: *** [Makefile:523: sanitizer_stoptheworld_linux_libcdep.lo] Error 1 make[4]: Leaving directory '/export/home/tools/gcc/obj-i686-pc-linux-gnu/x86_64-pc-linux-gnu/libsanitizer/sanitizer_common' make[3]: *** [Makefile:467: all-recursive] Error 1 make[3]: Leaving directory '/export/home/tools/gcc/obj-i686-pc-linux-gnu/x86_64-pc-linux-gnu/libsanitizer' make[2]: *** [Makefile:337: all] Error 2 make[2]: Leaving directory '/export/home/tools/gcc/obj-i686-pc-linux-gnu/x86_64-pc-linux-gnu/libsanitizer' make[1]: *** [Makefile:16706: all-target-libsanitizer] Error 2 make[1]: Leaving directory '/export/home/tools/gcc/obj-i686-pc-linux-gnu' make: *** [Makefile:950: all] Error 2