cramfs: add CFLAGS/LDFLAGS and host-zlib dependency

cramfs depends on host-zlib, so it must be built prior to cramfs.

Moreover, we need to pass the HOST_CFLAGS and HOST_LDFLAGS variables,
otherwise it doesn't find zlib in $(HOST_DIR).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

target/cramfs/cramfs.mk

@@ -20,10 +20,10 @@ $(CRAMFS_DIR): $(DL_DIR)/$(CRAMFS_SOURCE)
 	toolchain/patch-kernel.sh $(CRAMFS_DIR) target/cramfs/ cramfs\*.patch
 
 $(CRAMFS_DIR)/mkcramfs: $(CRAMFS_DIR)
-	$(MAKE) CFLAGS="-Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" -C $(CRAMFS_DIR)
+	$(MAKE) CFLAGS="$(HOST_CFLAGS) -Wall -O2 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" LDFLAGS="$(HOST_LDFLAGS)" -C $(CRAMFS_DIR)
 	touch -c $@
 
-cramfs: $(CRAMFS_DIR)/mkcramfs
+cramfs: host-zlib $(CRAMFS_DIR)/mkcramfs
 
 cramfs-source: $(DL_DIR)/$(CRAMFS_SOURCE)