don't re-build tone2wav and fs_encode on every build

diff --git a/Makefile.am b/Makefile.am
index c4eaf62f1fb0b6cc11534ab794c0a1ed5a8ecc88..3c8824c5a5d905e70a1f31e63c9fb5cadceaa512 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -32,6 +32,8 @@ AM_LDFLAGS  = $(SWITCH_AM_LDFLAGS) $(AM_LIBAPR_LDFLAGS) $(AM_LIBAPU_LDFLAGS)
 
 DEFAULT_SOUNDS=en-us-callie-8000
 
+.INTERMEDIATE: -ldl -liconv -lpthread
+
 .DEFAULT: $(switch_builddir)/modules.conf src/mod/modules.inc
        @target=`echo $@ | sed -e 's|^.*-||'`; \
         target_prefix=`echo $@ | sed -e 's|-.*$$||'`; \