File 001-makefile.patch of Package zupt

diff -uNr zupt-1.0.0.orig/Makefile zupt-1.0.0/Makefile
--- zupt-1.0.0.orig/Makefile	2026-03-23 17:14:02.911803778 -0300
+++ zupt-1.0.0/Makefile	2026-03-23 17:14:55.933767259 -0300
@@ -7,6 +7,8 @@
            src/zupt_parallel.c src/zupt_keccak.c src/zupt_x25519.c src/zupt_mlkem.c
 LDFLAGS  = -lm -lpthread
 TARGET   = zupt
+PREFIX   = /usr
+BINDIR   = $(PREFIX)/bin
 
 .PHONY: all clean test test-all test-asan install
 
@@ -79,4 +81,5 @@
 	@echo "ASAN build complete: ./zupt_asan"
 
 install: $(TARGET)
-	install -m 755 $(TARGET) /usr/local/bin/
+	install -d $(DESTDIR)$(BINDIR)
+	install -m 755 $(TARGET) $(DESTDIR)$(BINDIR)/