https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118981
--- Comment #17 from Erich Löw <Erich.Loew at outlook dot com> --- Recompile from scratch with none additional CFLAGS, CCFLAGS et al done Here the result libtool: compile: /home/SETUP/GNU/gcc/BUILD/./gcc/xgcc -shared-libgcc -B/home/SETUP/GNU/gcc/BUILD/./gcc -nostdinc++ -L/home/SETUP/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/src -L/home/SETUP/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs -L/home/SETUP/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -fno-checking -I/home/SETUP/GNU/gcc/LATEST/libstdc++-v3/../libgcc -I/home/SETUP/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu -I/home/SETUP/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/include -I/home/SETUP/GNU/gcc/LATEST/libstdc++-v3/libsupc++ -std=gnu++20 -D_GLIBCXX_SHARED -fno-implicit-templates -fvtable-verify=std -Wl,-u_vtable_map_vars_start,-u_vtable_map_vars_end -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi=19 -Werror -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -frandom-seed=tzdb.lo -fimplicit-templates -g -O2 -D_GNU_SOURCE -fcf-protection -mshstk -I. -c ../../../../../LATEST/libstdc++-v3/src/c++20/tzdb.cc -fPIC -DPIC -D_GLIBCXX_SHARED -o tzdb.o /tmp/cccvrstu.s: Assembler messages: /tmp/cccvrstu.s:131733: Error: symbol `_GLOBAL__sub_I.00099_tzdb.cc' is already defined make[6]: *** [Makefile:754: tzdb.lo] Error 1 make[6]: Leaving directory '/archive/Library/Linux/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/src/c++20' make[5]: *** [Makefile:797: all-recursive] Error 1 make[5]: Leaving directory '/archive/Library/Linux/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3/src' make[4]: *** [Makefile:577: all-recursive] Error 1 make[4]: Leaving directory '/archive/Library/Linux/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3' make[3]: *** [Makefile:502: all] Error 2 make[3]: Leaving directory '/archive/Library/Linux/GNU/gcc/BUILD/x86_64-pc-linux-gnu/libstdc++-v3' make[2]: *** [Makefile:16790: all-stage1-target-libstdc++-v3] Error 2 make[2]: Leaving directory '/archive/Library/Linux/GNU/gcc/BUILD' make[1]: *** [Makefile:26117: stage1-bubble] Error 2 make[1]: Leaving directory '/archive/Library/Linux/GNU/gcc/BUILD' make: *** [Makefile:1100: all] Error 2 root:/home/SETUP/GNU/gcc/BUILD> env | grep FLAG root:/home/SETUP/GNU/gcc/BUILD> env | grep PIC root:/home/SETUP/GNU/gcc/BUILD> Didn't the message says that symbol _GLOBAL__sub_I.00099_tzdb.cc is occurring more than once and as conseqence the "as" is unhappy? Q: shall I try to go deeper (even if I'm by far not a compiler expert/architect, just average Ansi C coder)? And... very THX till here for our very interesting discussion :-)
