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build: fix linking with systemtap probes

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Commit 34e8f63a3 altered virfile.o to drag in additional symbols,
which in turn led to pulling in other .o files and eventually causing
a link failure when systemtap probes are enabled, such as:

./.libs/libvirt_util.a(libvirt_util_la-event_poll.o): In function `virEventPollRunOnce':
/home/dummy/libvirt/src/util/event_poll.c:614: undefined reference to `libvirt_event_poll_run_semaphore'
./.libs/libvirt_util.a(libvirt_util_la-event_poll.o):(.note.stapsdt+0x24): undefined reference to `libvirt_event_poll_add_handle_semaphore'

Even though libvirt_iohelper and libvirt_parthelper don't directly
use the portion of virfile.o that drags in probing, it was easier
to satisfy the linker and get the build back up, than to figure out
whether it is even possible or worth trying to disentangle the mess.

* src/Makefile.am (libvirt_iohelper_LDADD)
(libvirt_parthelper_LDADD): Use libvirt_probes.lo when needed.
This commit is contained in:
Eric Blake 2012-10-29 14:17:03 -06:00
parent 34e8f63a32
commit a047a24d11
1 changed files with 6 additions and 0 deletions
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6
src/Makefile.am
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@ -1631,6 +1631,9 @@ libvirt_iohelper_LDFLAGS = $(WARN_LDFLAGS) $(AM_LDFLAGS)
libvirt_iohelper_LDADD = \
libvirt_util.la \
../gnulib/lib/libgnu.la
if WITH_DTRACE_PROBES
libvirt_iohelper_LDADD += libvirt_probes.lo
endif
libvirt_iohelper_CFLAGS = $(AM_CFLAGS)
endif
@ -1645,6 +1648,9 @@ libvirt_parthelper_LDADD = \
$(LIBPARTED_LIBS) \
libvirt_util.la \
../gnulib/lib/libgnu.la
if WITH_DTRACE_PROBES
libvirt_parthelper_LDADD += libvirt_probes.lo
endif
libvirt_parthelper_CFLAGS = $(LIBPARTED_CFLAGS) $(AM_CFLAGS)
endif