allow forcing the build to exclude PRI support using WITHOUT_PRI, similar to

how we already have WITHOUT_ZAPTEL (issue #5985)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7538 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/Makefile

@@ -92,10 +92,12 @@ ifneq ($(wildcard $(CROSS_COMPILE_TARGET)/usr/include/alsa/asoundlib.h),)
   CHANNEL_LIBS+=chan_alsa.so
 endif
 
+ifndef WITHOUT_PRI
 ifneq ($(wildcard $(CROSS_COMPILE_TARGET)/usr/lib/libpri.so.1)$(wildcard $(CROSS_COMPILE_TARGET)/usr/local/lib/libpri.so.1),)
   CFLAGS+=-DZAPATA_PRI
   ZAPPRI=-lpri
 endif
+endif # WITHOUT_PRI
 
 ifneq ($(wildcard $(CROSS_COMPILE_TARGET)/usr/lib/libmfcr2.so.1)$(wildcard $(CROSS_COMPILE_TARGET)/usr/local/lib/libmfcr2.so.1),)
   CFLAGS+=-DZAPATA_R2