https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71757
--- Comment #8 from Timo Teräs <timo.teras at iki dot fi> --- (In reply to Andrew Pinski from comment #5) > LIBSTDCXX_RAW_CXX_CXXFLAGS="\ > -I\$(top_builddir)/../libstdc++-v3/include \ > -I\$(top_builddir)/../libstdc++-v3/include/\$(target_noncanonical) \ > -I\$(top_srcdir)/../libstdc++-v3/libsupc++" > LIBSTDCXX_RAW_CXX_LDFLAGS="\ > \$(top_builddir)/../libstdc++-v3/src/libstdc++.la" > > > That should be used. config.log says that is indeed there. Quick look at libjava/Makefile.in says LIBSTDCXX_RAW_CXX_* is used only for lib_gnu_awt_xlib_la_*. Should I try adding LIBSTRCXX_RAW_CXX_* to libgcj_la_* accordingly?