Fix the build issue with gperf
GPerf seems not allowing the empty lines though, current recipes are supposed to drop them.
but seems not working on some env.
So taking the proper way to do that instead of incompatible things against platforms.
diff --git a/src/Makefile.am b/src/Makefile.am
index 7a35575..7b414df 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -111,10 +111,10 @@
stamp-fcobjshash.gperf: fcobjshash.gperf.h fcobjs.h
$(AM_V_GEN) $(CPP) -I$(top_srcdir) $(CPPFLAGS) $< | \
$(SED) 's/^ *//;s/ *, */,/' | \
- $(GREP) '^[^#]' | \
awk ' \
/CUT_OUT_BEGIN/ { no_write=1; next; }; \
/CUT_OUT_END/ { no_write=0; next; }; \
+ /^$$/||/^#/ { next; }; \
{ if (!no_write) print; next; }; \
' - > $@.tmp && \
mv -f $@.tmp fcobjshash.gperf && touch $@ || ( $(RM) $@.tmp && false )
