Date: Thu, 09 Aug 2018 19:47:34 +0000 From: bugzilla-noreply@freebsd.org To: toolchain@FreeBSD.org Subject: [Bug 230399] devel/libunwind: fails to build with Clang 7 Message-ID: <bug-230399-29464-uM6cdyFRIo@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-230399-29464@https.bugs.freebsd.org/bugzilla/> References: <bug-230399-29464@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230399 Dimitry Andric <dim@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |emaste@freebsd.org Status|New |In Progress --- Comment #5 from Dimitry Andric <dim@FreeBSD.org> --- (In reply to Jan Beich from comment #2) > Probably affects a number of LLD_UNSAFE ports: >=20 > $ echo 'int main() {}' >a.c > $ cc a.c -lexecinfo > $ cc a.c -fuse-ld=3Dbfd -lexecinfo > /usr/lib/libgcc_s.so: undefined reference to `__gxx_personality_v0' > cc: error: linker command failed with exit code 1 (use -v to see invocati= on) It's weird, the __gxx_personality_v0 symbol is referenced from libunwind.pi= co, built during the libgcc_s build. libunwind.pico is built from contrib/llvm/projects/libunwind/src/libunwind.= cpp, which indeed is a C++ source file, so somehow this C++ specific symbol gets= in, but it did not in the previous version of clang. Investigating... --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-230399-29464-uM6cdyFRIo>