add dependency generation to make file

[bcachefs-tools-debian] / Makefile

diff --git a/Makefile b/Makefile
index 9f2773ec39c1609af40405826f48d2d88746d3f6..5c5ea5fc02f277679f85f65abe54037e3c960b5b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,12 @@
 
 PREFIX=/usr
 INSTALL=install
-CFLAGS+=-std=gnu99 -O2 -Wall -g -D_FILE_OFFSET_BITS=64 -I.
+CFLAGS+=-std=gnu99 -O2 -Wall -g -MMD -D_FILE_OFFSET_BITS=64 -I.
 LDFLAGS+=-static
 
-PKGCONFIG_LIBS="blkid uuid libnih"
+PKGCONFIG_LIBS="blkid uuid"
 CFLAGS+=`pkg-config --cflags   ${PKGCONFIG_LIBS}`
-LDLIBS+=`pkg-config --libs     ${PKGCONFIG_LIBS}` -lscrypt -lsodium -lkeyutils
+LDLIBS+=`pkg-config --libs     ${PKGCONFIG_LIBS}` -lscrypt -lsodium -lkeyutils -lm
 
 ifeq ($(PREFIX),/usr)
        ROOT_SBINDIR=/sbin
@@ -26,6 +26,8 @@ libccan.a: $(CCANOBJS)
 bcache-objs = bcache.o bcache-assemble.o bcache-device.o bcache-format.o\
        bcache-fs.o bcache-run.o bcache-key.o libbcache.o crypto.o util.o
 
+-include $(bcache-objs:.o=.d)
+
 bcache: $(bcache-objs) libccan.a
 
 .PHONY: install
@@ -38,7 +40,7 @@ install: bcache
 
 .PHONY: clean
 clean:
-       $(RM) bcache *.o *.a
+       $(RM) bcache *.o *.d *.a
 
 .PHONY: deb
 deb: all