--- a/Makefile
+++ b/Makefile
@@ -20,15 +20,15 @@
 
 
 PREFIX = 
-BINDIR = $(PREFIX)/usr/sbin
-MANDIR = $(PREFIX)/usr/man
-CFLAGS = -Wall -pedantic -O2
+BINDIR = $(PREFIX)/bin
+MANDIR = $(PREFIX)/share/man
+CFLAGS ?= -Wall -pedantic -O2
 #CFLAGS = -Wall -O2 -g -DDEBUG
 
 # If you change these, please update the man-pages too
 # Only absolute paths here, please
-SPOOLDIR = /var/spool/anacron
-ANACRONTAB = /etc/anacrontab
+SPOOLDIR = @TERMUX_PREFIX@/var/spool/anacron
+ANACRONTAB = @TERMUX_PREFIX@/etc/anacrontab
 
 RELEASE = 2.3
 package_name = anacron-$(RELEASE)
@@ -64,7 +64,7 @@
 
 .PHONY: installdirs
 installdirs:
-	$(INSTALL_DIR) $(BINDIR) $(PREFIX)$(SPOOLDIR) \
+	$(INSTALL_DIR) $(BINDIR) $(SPOOLDIR) \
 		$(MANDIR)/man5 $(MANDIR)/man8
 
 .PHONY: install