change linkage method for libjack in zalsa build since this has to work without an installed libjack

zalsa/Makefile.am

@@ -10,11 +10,13 @@ zalsa_LTLIBRARIES = zalsa_in.la zalsa_out.la
 
 zalsa_in_la_CPPFLAGS = -DAPPNAME=\"zalsa_in\" -DVERSION=\"0.4.0\"
 zalsa_in_la_SOURCES = zita-a2j.cc alsathread.cc jackclient.cc pxthread.cc lfqueue.cc
-zalsa_in_la_LDFLAGS = -module -avoid-version -lzita-resampler -lzita-alsa-pcmi -ljack -lasound -lpthread -lm -lrt @OS_LDFLAGS@
+zalsa_in_la_LDFLAGS = -module -avoid-version -lzita-resampler -lzita-alsa-pcmi -lasound -lpthread -lm -lrt @OS_LDFLAGS@
+zalsa_in_la_LDFLAGS += -L$(top_builddir)/libjack -ljack
 
 zalsa_out_la_CPPFLAGS = -DAPPNAME=\"zalsa_out\" -DVERSION=\"0.4.0\"
 zalsa_out_la_SOURCES = zita-j2a.cc alsathread.cc jackclient.cc pxthread.cc lfqueue.cc
-zalsa_out_la_LDFLAGS = -module -avoid-version -lzita-resampler -lzita-alsa-pcmi -ljack -lasound -lpthread -lm -lrt @OS_LDFLAGS@
+zalsa_out_la_LDFLAGS = -module -avoid-version -lzita-resampler -lzita-alsa-pcmi -lasound -lpthread -lm -lrt @OS_LDFLAGS@
+zalsa_out_la_LDFLAGS += -L$(top_builddir)/libjack -ljack
 
 noinst_HEADERS = alsathread.h jackclient.h lfqueue.h pxthread.h