Index: autofs-5.0.7/aclocal.m4
===================================================================
--- autofs-5.0.7.orig/aclocal.m4	2012-10-28 13:17:45.504237027 -0700
+++ autofs-5.0.7/aclocal.m4	2012-10-28 13:20:50.108242739 -0700
@@ -403,7 +403,7 @@
 # save current flags
 af_check_libtirpc_save_cflags="$CFLAGS"
 af_check_libtirpc_save_ldflags="$LDFLAGS"
-CFLAGS="$CFLAGS -I/usr/include/tirpc"
+CFLAGS="$CFLAGS -I=/usr/include/tirpc"
 LDFLAGS="$LDFLAGS -ltirpc"
 
 AC_TRY_LINK(
Index: autofs-5.0.7/Makefile.rules
===================================================================
--- autofs-5.0.7.orig/Makefile.rules	2012-10-28 13:17:45.308237022 -0700
+++ autofs-5.0.7/Makefile.rules	2012-10-28 13:21:25.720242803 -0700
@@ -48,7 +48,7 @@
 LIBS += -lpthread
 
 ifdef TIRPCLIB
-CFLAGS += -I/usr/include/tirpc
+CFLAGS += -I=/usr/include/tirpc
 LIBS += $(TIRPCLIB)
 endif