vserver 1.9.5.x5

[linux-2.6.git] / usr / Makefile

diff --git a/usr/Makefile b/usr/Makefile
index 965759f..248d555 100644 (file)
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -3,30 +3,62 @@ obj-y := initramfs_data.o
 
 hostprogs-y  := gen_init_cpio
 
-clean-files := initramfs_data.cpio.gz
+clean-files := initramfs_data.cpio.gz initramfs_list
 
 # initramfs_data.o contains the initramfs_data.cpio.gz image.
 # The image is included using .incbin, a dependency which is not
 # tracked automatically.
 $(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio.gz FORCE
 
-# initramfs-y are the programs which will be copied into the CPIO
-# archive. Currently, the filenames are hardcoded in gen_init_cpio,
-# but we need the information for the build as well, so it's duplicated
-# here.
+ifdef CONFIG_INITRAMFS_ROOT_UID
+gen_initramfs_args += -u $(CONFIG_INITRAMFS_ROOT_UID)
+endif
 
-# Commented out for now
-# initramfs-y := $(obj)/root/hello
+ifdef CONFIG_INITRAMFS_ROOT_GID
+gen_initramfs_args += -g $(CONFIG_INITRAMFS_ROOT_GID)
+endif
+
+# The $(shell echo $(CONFIG_INITRAMFS_SOURCE)) is to remove the
+# gratuitous begin and end quotes from the Kconfig string type.
+# Internal, escaped quotes in the Kconfig string will loose the
+# escape and become active quotes.
+quotefixed_initramfs_source := $(shell echo $(CONFIG_INITRAMFS_SOURCE))
+
+filechk_initramfs_list = $(CONFIG_SHELL) \
+ $(srctree)/scripts/gen_initramfs_list.sh $(gen_initramfs_args) $(quotefixed_initramfs_source)
+
+$(obj)/initramfs_list: FORCE
+       $(call filechk,initramfs_list)
 
 quiet_cmd_cpio = CPIO    $@
-      cmd_cpio = ./$< > $@
+      cmd_cpio = ./$< $(obj)/initramfs_list > $@
+
+
+# Check if the INITRAMFS_SOURCE is a cpio archive
+ifneq (,$(findstring .cpio,$(quotefixed_initramfs_source)))
 
-$(obj)/initramfs_data.cpio: $(obj)/gen_init_cpio $(initramfs-y) FORCE
+# INITRAMFS_SOURCE has a cpio archive - verify that it's a single file
+ifneq (1,$(words $(quotefixed_initramfs_source)))
+$(error Only a single file may be specified in CONFIG_INITRAMFS_SOURCE (="$(quotefixed_initramfs_source)") when a cpio archive is directly specified.)
+endif
+# Now use the cpio archive directly
+initramfs_data_cpio = $(quotefixed_initramfs_source)
+targets += $(quotefixed_initramfs_source)
+
+else
+
+# INITRAMFS_SOURCE is not a cpio archive - create one
+$(obj)/initramfs_data.cpio: $(obj)/gen_init_cpio \
+                            $(initramfs-y) $(obj)/initramfs_list FORCE
        $(call if_changed,cpio)
 
 targets += initramfs_data.cpio
+initramfs_data_cpio = $(obj)/initramfs_data.cpio
+
+endif
+
 
-$(obj)/initramfs_data.cpio.gz: $(obj)/initramfs_data.cpio FORCE
+$(obj)/initramfs_data.cpio.gz: $(initramfs_data_cpio) FORCE
        $(call if_changed,gzip)
 
 targets += initramfs_data.cpio.gz