Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -1,32 +1,34 @@
 CC = gcc
-CFLAGS = -std=gnu11 -Wall -W -pthread -O3 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE $(FILED_EXTRA_CFLAGS)
+CFLAGS = -I. -std=gnu11 -Wall -W -pthread -O3 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE $(FILED_EXTRA_CFLAGS)
 LDFLAGS = -pthread $(FILED_EXTRA_LDFLAGS)
 LIBS = -lpthread $(FILED_EXTRA_LIBS)
 MIMETYPES = /etc/httpd/mime.types
 
 PREFIX = /usr/local
 prefix = $(PREFIX)
 bindir = $(prefix)/bin
 mandir = $(prefix)/share/man
+srcdir = .
+vpath %.c $(srcdir)
 
 all: filed
 
 filed: filed.o
 	$(CC) $(CFLAGS) $(LDFLAGS) -o "$@" $^ $(LIBS)
 
-filed.o: filed.c filed-mime-types.h
+filed.o: $(srcdir)/filed.c filed-mime-types.h
 
-filed-mime-types.h: generate-mime-types mime.types
-	./generate-mime-types "$(MIMETYPES)" > filed-mime-types.h.new || \
-		./generate-mime-types mime.types > filed-mime-types.h.new
+filed-mime-types.h: $(srcdir)/generate-mime-types $(srcdir)/mime.types
+	'$(srcdir)/generate-mime-types' '$(MIMETYPES)' > filed-mime-types.h.new || \
+		'$(srcdir)/generate-mime-types' '$(srcdir)/mime.types' > filed-mime-types.h.new
 	mv filed-mime-types.h.new filed-mime-types.h
 
-install: filed filed.1
+install: filed $(srcdir)/filed.1
 	test -d "$(DESTDIR)$(mandir)/man1" || mkdir -p "$(DESTDIR)$(mandir)/man1"
 	test -d "$(DESTDIR)$(bindir)" || mkdir -p "$(DESTDIR)$(bindir)"
-	cp filed.1 "$(DESTDIR)$(mandir)/man1/"
+	cp '$(srcdir)/filed.1' "$(DESTDIR)$(mandir)/man1/"
 	cp filed "$(DESTDIR)$(bindir)/"
 
 clean:
 	rm -f filed filed.o
 	rm -f filed-mime-types.h.new