--- Makefile.orig	2025-06-01 11:32:46 UTC
+++ Makefile
@@ -1,5 +1,5 @@ EXEC = wayst
 EXEC = wayst
-INSTALL_DIR = /usr/local/bin
+PREFIX ?= /usr/local/bin
 
 ARGS =
 
@@ -37,8 +37,7 @@ else
 	CFLAGS = -std=c18 -MD -fshort-enums
 	LDFLAGS =
 else
-	CFLAGS = -std=c18 -MD -O2 -mtune=generic -ffast-math -fshort-enums -flto=auto
-	LDFLAGS = -O2 -flto=auto
+	CFLAGS += -std=c18 -MD
 endif
 
 ifeq ($(libutf8proc),off)
@@ -102,10 +101,10 @@ install:
 	$(RM) -f $(EXEC) $(OBJ) $(OBJ:.o=.d)
 
 install:
-	cp $(EXEC) $(INSTALL_DIR)/
+	cp $(EXEC) $(DESTDIR)$(PREFIX)/bin/$(EXEC)
 
 uninstall:
-	$(RM) $(INSTALL_DIR)/$(EXEC)
+	$(RM) $(DESTDIR)$(PREFIX)/$(EXEC)
 
 -include $(OBJ:.o=.d)