--- sxiv-1.0/Makefile
+++ sxiv-1.0/Makefile
@@ -1,8 +1,8 @@
 VERSION = 1.0
 
-CC      = gcc
-CFLAGS  = -ansi -Wall -pedantic -O2
-LDFLAGS =
+CC      ?= gcc
+CFLAGS  += -ansi -Wall -pedantic
+LDFLAGS +=
 LIBS    = -lX11 -lImlib2
 
 PREFIX    = /usr/local
@@ -21,21 +21,18 @@
 	@echo "PREFIX  = $(PREFIX)"
 
 .c.o:
-	@echo "CC $<"
-	@$(CC) $(CFLAGS) -DVERSION=\"$(VERSION)\" -c -o $@ $<
+	$(CC) $(CFLAGS) -DVERSION=\"$(VERSION)\" -c -o $@ $<
 
 $(OBJ) config: Makefile config.h
 
 config: config.c
-	@$(CC) $(CFLAGS) -o $@ $@.c
+	$(CC) $(CFLAGS) -o $@ $@.c
 
 config.h:
-	@echo "creating $@ from config.def.h"
-	@cp config.def.h $@
+	cp config.def.h $@
 
 sxiv:	$(OBJ) config
-	@echo "CC -o $@"
-	@$(CC) $(LDFLAGS) -o $@ $(OBJ) $(LIBS) $$(./config -l)
+	$(CC) $(LDFLAGS) -o $@ $(OBJ) $(LIBS) $$(./config -l)
 
 clean:
 	@echo "cleaning"