Date: Sun, 29 Mar 2026 03:41:51 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 294109] aarch64 example: /usr/local/lib/gcc15/libgcc_s.so.1 vs. lib/libgcc_s.so.1 symbols Message-ID: <bug-294109-227-6S65o0DKbx@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-294109-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294109 --- Comment #1 from Mark Millard <marklmi26-fbsd@yahoo.com> --- (In reply to Mark Millard from comment #0) Example of a trivial c++ program that fails to run because of what is not found in FreeBSD's libgcc_s.so.1 : # cat trivial.cpp // aarch64 g++15 example that shows lack of symbols for the // /usr/local/lib/gcc15/libstdc++.so.6 build involved : // // # g++15 -o trivial trivial.cpp // # ./trivial // // This ends up using FreeBSD's libgcc_s.so.1 but that fails. int main() { } # g++15 -o trivial trivial.cpp # ldd -a trivial trivial: libstdc++.so.6 => /usr/local/lib/gcc15/libstdc++.so.6 (0x799b30000000) libm.so.5 => /lib/libm.so.5 (0x799b33ef0000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x799b314a6000) libc.so.7 => /lib/libc.so.7 (0x799b31e00000) /usr/local/lib/gcc15/libstdc++.so.6: libm.so.5 => /lib/libm.so.5 (0x799b33ef0000) libc.so.7 => /lib/libc.so.7 (0x799b31e00000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x799b314a6000) /lib/libm.so.5: libc.so.7 => /lib/libc.so.7 (0x799b31e00000) /lib/libgcc_s.so.1: libc.so.7 => /lib/libc.so.7 (0x799b31e00000) /lib/libc.so.7: libsys.so.7 => /lib/libsys.so.7 (0x799b3b280000) # ./trivial ld-elf.so.1: /lib/libgcc_s.so.1: version GCC_4.5.0 required by /usr/local/lib/gcc15/libstdc++.so.6 not found It takes use of the likes of -Wl,-rpath=/usr/local/lib/gcc15/ use to allow this trivial program to be built such that it will actually run to completion: # g++15 -o trivial -Wl,-rpath=/usr/local/lib/gcc15/ trivial.cpp # ldd -a trivial trivial: libstdc++.so.6 => /usr/local/lib/gcc15//libstdc++.so.6 (0x481146400000) libm.so.5 => /lib/libm.so.5 (0x481152950000) libgcc_s.so.1 => /usr/local/lib/gcc15//libgcc_s.so.1 (0x48115caf0000) libc.so.7 => /lib/libc.so.7 (0x481144800000) /usr/local/lib/gcc15//libstdc++.so.6: libm.so.5 => /lib/libm.so.5 (0x481152950000) libc.so.7 => /lib/libc.so.7 (0x481144800000) libgcc_s.so.1 => /usr/local/lib/gcc15//libgcc_s.so.1 (0x48115caf0000) /lib/libm.so.5: libc.so.7 => /lib/libc.so.7 (0x481144800000) /usr/local/lib/gcc15//libgcc_s.so.1: libc.so.7 => /lib/libc.so.7 (0x481144800000) /lib/libc.so.7: libsys.so.7 => /lib/libsys.so.7 (0x481162c30000) # ./trivial # -- You are receiving this mail because: You are the assignee for the bug.home | help
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