--- Makefile.orig	2004-03-16 22:36:31.000000000 +0800
+++ Makefile	2004-03-16 22:14:09.000000000 +0800
@@ -35,10 +35,13 @@
 #APPS+=app_sql_odbc.so
 
 APPS+=$(shell if [ -f /usr/include/linux/zaptel.h ]; then echo "app_zapras.so app_meetme.so app_flash.so app_zapbarge.so app_zapscan.so" ; fi)
 #APPS+=$(shell if [ -f /usr/include/zap.h ]; then echo "app_rpt.so" ; fi)
 
+APPS+=$(shell if [ -f /usr/include/spandsp.h ]; then echo "app_rxfax.so app_txfax.so app_dtmftotext.so" ; fi)
+APPS+=$(shell if [ -f /usr/local/include/spandsp.h ]; then echo "app_rxfax.so app_txfax.so app_dtmftotext.so" ; fi)
+
 CFLAGS+=-fPIC
 
 ifeq ($(USE_POSTGRES_VM_INTERFACE),1)
 CFLAGS+=-DUSEPOSTGRESVM
 endif
@@ -65,10 +68,28 @@
 	gcc -pipe -O6 -g  -Iinclude -I../include -D_REENTRANT -march=i586 -DDO_CRASH -c -o  app_todd.o app_todd.c
 
 app_todd.so: app_todd.o
 	$(CC) $(SOLINK) -o $@ $< -L/usr/local/ssl/lib -lssl -lcrypto
 
+app_rxfax.so : app_rxfax.o
+	$(CC) $(SOLINK) -o $@ $< -lspandsp -ltiff
+
+app_rxfax.o: app_rxfax.c
+	gcc -O2 -g  -Iinclude -I../include -c -o  app_rxfax.o app_rxfax.c
+
+app_txfax.so : app_txfax.o
+	$(CC) $(SOLINK) -o $@ $< -lspandsp -ltiff
+
+app_txfax.o: app_txfax.c
+	gcc -O2 -g  -Iinclude -I../include -c -o  app_txfax.o app_txfax.c
+
+app_dtmftotext.so : app_dtmftotext.o
+	$(CC) $(SOLINK) -o $@ $< -lspandsp -ltiff
+
+app_dtmftotexto: app_dtmftotext.c
+	gcc -O2 -g  -Iinclude -I../include -c -o  app_dtmftotext.o app_dtmftotext.c
+
 app_voicemail.so : app_voicemail.o
 ifeq ($(USE_MYSQL_VM_INTERFACE),1)
 	$(CC) $(SOLINK) -o $@ $(MLFLAGS) $< -L/usr/lib/mysql -lmysqlclient -lz
 else
 ifeq ($(USE_POSTGRES_VM_INTERFACE),1)