Hello! > I've seen this today both for alpha and s390 cross from x86_64:
> > libtool: compile: /home/rth/work/gcc/bld-s390/./gcc/xgcc -shared-libgcc > > -B/home/rth/work/gcc/bld-s390/./gcc -nostdinc++ > > -L/home/rth/work/gcc/bld-s390/s390x-linux/libstdc++-v3/src > > -L/home/rth/work/gcc/bld-s390/s390x-linux/libstdc++-v3/src/.libs > > -B/home/rth/work/gcc/run-cross/s390x-linux/bin/ > > -B/home/rth/work/gcc/run-cross/s390x-linux/lib/ -isystem > > /home/rth/work/gcc/run-cross/s390x-linux/include -isystem > > /home/rth/work/gcc/run-cross/s390x-linux/sys-include > > -I/home/rth/work/gcc/git-master/libstdc++-v3/../libgcc > > -I/home/rth/work/gcc/bld-s390/s390x-linux/libstdc++-v3/include/s390x-linux > > -I/home/rth/work/gcc/bld-s390/s390x-linux/libstdc++-v3/include > > -I/home/rth/work/gcc/git-master/libstdc++-v3/libsupc++ > > -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi > > -fdiagnostics-show-location=once -ffunction-sections -fdata-sections > > -frandom-seed=locale-inst.lo -g -O2 -D_GNU_SOURCE -c > > ../../../../../git-master/libstdc++-v3/src/c++98/locale-inst.cc -fPIC > > -DPIC -o loca! le-inst.o > > ../../../../../git-master/libstdc++-v3/src/c++98/locale-inst.cc:362:8: > > error: âvoid > > _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs()â > > aliased to undefined symbol > > â_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES4_S4_RSt8ios_basecRKSsâ > > > > _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs); > > ^ > > ../../../../../git-master/libstdc++-v3/src/c++98/locale-inst.cc:329:19: > > note: in definition of macro '_GLIBCXX_LDBL_COMPAT' > > extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak)) > > ^ > > where, given that I've configured --with-long-double-128, appears to have > mis-identified the correct setting of _GLIBCXX_LONG_DOUBLE_COMPAT. > > Is anyone else seeing this? Is this a problem for cross-compile only? > Certainly editing config.h after the fact lets the build complete... No, it also fails on native alphaev68-unknown-linux-gnu compile: ../../../../../gcc-svn/trunk/libstdc++-v3/src/c++98/locale-inst.cc:362:8: error: ‘void _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs()’ aliased to undefined symbol ‘_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES4_S4_RSt8ios_basecRKSs’ _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs); ^ ../../../../../gcc-svn/trunk/libstdc++-v3/src/c++98/locale-inst.cc:329:19: note: in definition of macro '_GLIBCXX_LDBL_COMPAT' extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak)) ... and many more ... Uros.