[systemd-devel] [PATCH v2] build-sys: remove --gc-sections to fix debugging

[Zbigniew Jędrzejewski-Szmek]

On Wed, Nov 26, 2014 at 05:24:37PM -0300, Cristian Rodríguez wrote:
> El 26/11/14 a las 15:31, Peter Wu escribió:
> 
> >  [1]: https://sourceware.org/bugzilla/show_bug.cgi?id=17639
> >
> >https://bugs.freedesktop.org/show_bug.cgi?id=86666
> >---
> >  v2:    removed -ffunction-sections and -fdata-sections too, mention
> >         that binutils fixed the bug.
> >---
> 
> -1 Just fix the linker and move along... not our bug IMHO.

Hm, with this patch the build fails for me with

../src/shared/ptyfwd.c:117: error: undefined reference to 'sd_event_source_unref'
../src/shared/ptyfwd.c:120: error: undefined reference to 'sd_event_exit'
../src/shared/ptyfwd.c:127: error: undefined reference to 'sd_event_source_unref'
../src/shared/ptyfwd.c:134: error: undefined reference to 'sd_event_exit'
../src/shared/ptyfwd.c:151: error: undefined reference to 'sd_event_source_unref'
../src/shared/ptyfwd.c:154: error: undefined reference to 'sd_event_exit'
../src/shared/ptyfwd.c:180: error: undefined reference to 'sd_event_source_unref'
../src/shared/ptyfwd.c:183: error: undefined reference to 'sd_event_exit'
../src/shared/ptyfwd.c:374: error: undefined reference to 'sd_event_unref'
../src/shared/ptyfwd.c:298: error: undefined reference to 'sd_event_ref'
../src/shared/ptyfwd.c:300: error: undefined reference to 'sd_event_default'
../src/shared/ptyfwd.c:345: error: undefined reference to 'sd_event_add_io'
../src/shared/ptyfwd.c:349: error: undefined reference to 'sd_event_add_io'
../src/shared/ptyfwd.c:353: error: undefined reference to 'sd_event_add_io'
../src/shared/ptyfwd.c:360: error: undefined reference to 'sd_event_add_signal'
../src/shared/pty.c:436: error: undefined reference to 'sd_event_source_set_io_events'
../src/shared/pty.c:468: error: undefined reference to 'sd_event_add_io'
../src/shared/pty.c:477: error: undefined reference to 'sd_event_source_set_prepare'
../src/shared/pty.c:483: error: undefined reference to 'sd_event_add_child'
collect2: error: ld returned 1 exit status
Makefile:10333: recipe for target 'login.la' failed

(and many repeats for other libraries).

$ rpm -q gcc binutils
gcc-4.9.2-1.fc21.x86_64
binutils-2.24-21.fc21.x86_64

../configure CFLAGS='-g -Og -ftrapv' CPPFLAGS=-DVALDGRIND=1 --disable-compat-libs --disable-kdbus --sysconfdir=/etc --localstatedir=/var --libdir=/usr/lib64 --enable-lz4 --enable-xz --enable-terminal

I think I'm with Christian here... let sleeping dogs lie.

Zbyszek