--- Makefile.old	2025-01-02 22:35:12.864396401 +0800
+++ Makefile	2025-01-02 22:40:06.648396226 +0800
@@ -1,6 +1,6 @@
-CC=gcc
-CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual
-LDFLAGS=
+CC=clang
+CFLAGS=-march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -flto=full -fno-exceptions -Os -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual
+LDFLAGS=-fuse-ld=lld -L/usr/local/lib -Wl,-O1 -Wl,-rpath=/usr/local/lib
 # CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual -g -fsanitize=thread
 # LDFLAGS=-g -fsanitize=thread
 # CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual -g -fsanitize=address
@@ -105,7 +105,7 @@
 pigz.pdf: pigz.1
 	groff -mandoc -f H -T ps pigz.1 | ps2pdf - pigz.pdf
 
-all: pigz pigzj pigzt pigzn docs
+all: pigz pigzj pigzt pigzn
 
 clean:
 	@rm -f *.o pigz unpigz pigzj pigzn pigzt pigz.c.gz pigz.c.zz pigz.c.zip