--- makefile	2026-01-21 00:49:28.000000000 +0800
+++ makefile	2026-01-29 06:45:47.000000000 +0800
@@ -1,11 +1,11 @@
-CC             := gcc
+CC             ?= gcc
 
-CFLAGS         := -Wall -Wextra -Wformat-security -Wformat-overflow=2 -O3 #-ggdb
+CFLAGS         ?= -Wall -Wextra -Wformat-security -Wformat-overflow=2 -O3
 
 
-INCLUDE        := -Iinclude -Ilib
+INCLUDE        := -Iinclude -Ilib -I$(PREFIX)/libexec/sqlcipher/include
 
-LDLIBS         := -lsodium -lm -lsqlcipher -ldl -lpthread
+LDLIBS         := -lsodium  $(PREFIX)/libexec/sqlcipher/lib/libsqlite3.dylib -lm -ldl -lpthread
 
 SRC            := $(wildcard src/*.c)
 TUI_SRC        := $(wildcard src/tui/*.c)
@@ -16,7 +16,7 @@
 BIN            := bin/cruxpass
 BIN_NAME	   := cruxpass
 
-PREFIX         := /usr/
+PREFIX         ?= /usr/
 OLD_PREFIX_BIN := /usr/local/bin/cruxpass
 
 BASH_COMPLETION_PATH := /usr/share/bash-completion/completions/$(BIN_NAME)
@@ -40,22 +40,12 @@
 	-$(BIN) completion bash > $(BASH_COMPLETION_PATH)
 	-$(BIN) completion zsh > $(ZSH_COMPLETION_PATH)
 	-$(BIN) completion fish > $(FISH_COMPLETION_PATH) 
-	@install -d $(PREFIX)/bin
-	@install -m 0755 $(BIN) $(PREFIX)/bin
-
-# migrating from /usr/local/bin/ to /usr/bin/
-# Because bin used to be installed in: /usr/local/bin/ 
-	@echo "Checking for $(OLD_PREFIX_BIN)"
-	@if [ -f "$(OLD_PREFIX_BIN)" ]; then \
-		echo "Removing system-local copy: $(OLD_PREFIX_BIN)"; \
-		 rm -f "$(OLD_PREFIX_BIN)"; \
-	fi
-	@echo '[+] Installation complete.'
+	install -m 0755 $(BIN) $(DESTDIR)$(PREFIX)/bin
 
 .PHONY: all clean install run seed uninstall
 
 clean:
-	@rm -rf build $(BIN)
+	rm -rf build $(BIN)
 	@echo "[+] Clean up complete."
 
 run: