--- src/Makefile.orig	2013-01-15 15:47:53.000000000 +0700
+++ src/Makefile	2022-12-29 07:54:11.000000000 +0700
@@ -13,8 +13,8 @@
 	factor.c \
 	conauto.c
 
-CC = gcc
-CFLAGS = -Wall -Wconversion -Wredundant-decls -Wunreachable-code -Wuninitialized -Wformat=2
+CC = @CC@
+CFLAGS = @ARCHFLAGS@ -Wall -Wconversion -Wredundant-decls -Wunreachable-code -Wuninitialized -Wformat=2
 
 # AGC: automorphism group computation. Should be defined always
 # PCS: pivot cell selection
@@ -35,7 +35,7 @@
 all: conauto-2.03
 
 conauto-2.0%: $(OBJS)
-	$(CC) -o $(BIN_PATH)/$@ $(OBJS)
+	$(CC) @ARCHFLAGS@ -o $(BIN_PATH)/$@ $(OBJS)
 
 %.o : %.c Makefile
 	$(CC) $(CFLAGS) $(OFLAGS) $(VFLAGS) -o $@ -c $<