2 files changed, 12 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index ba169bf5..dcd186d6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-12-04  Kaz Kylheku  <kaz@kylheku.com>
+
+	* Makefile: Adding empty .SUFFIXES: to disable built-in suffixes.
+	Also set MAKEFLAGS to disable all built-in rules.
+	The only one rule we used is .c to .o, so we provide it ourselves.
+
 2014-11-27  Kaz Kylheku  <kaz@kylheku.com>
 
 	* eval.c (eval_init): Register lequal and gequal.
diff --git a/Makefile b/Makefile
index c3b1dd50..affa566b 100644
--- a/Makefile
+++ b/Makefile
@@ -53,6 +53,12 @@ OBJS += $(MPI_OBJS)
 
 PROG := txr
 
+.SUFFIXES:
+MAKEFLAGS += --no-builtin-rules
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
 $(PROG): $(OBJS) $(OBJS-y)
 	$(CC) $(CFLAGS) -o $@ $^ -lm