This doesn't seem needed, and the empty include was breaking the
build.
include $(top_srcdir)/build/modmake.rulesam
MODNAME=mod_h323
-PTLIBDIR = `/usr/bin/ptlib-config --ptlibdir`
-
mod_LTLIBRARIES = mod_h323.la
mod_h323_la_SOURCES = mod_h323.cpp
mod_h323_la_CFLAGS = $(AM_CFLAGS) -fno-exceptions
-mod_h323_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(PTLIBDIR) -I/usr/include/openh323 -I. -DPTRACING=1 -D_REENTRANT
+mod_h323_la_CPPFLAGS = $(AM_CPPFLAGS) -I/usr/include/openh323 -I. -DPTRACING=1 -D_REENTRANT
mod_h323_la_CPPFLAGS += -DPTRACING=1 -D_REENTRANT
mod_h323_la_LIBADD = $(switch_builddir)/libfreeswitch.la
mod_h323_la_LDFLAGS = -avoid-version -module -no-undefined -shared -L/usr/lib -lopenh323 -lpt -lrt