Commit 58a2f7d8 authored Aug 07, 2006 by Sam Ravnborg

kbuild: do not try to build content of initramfs



When a file supplied via CONFIG_INITRAMFS pointed to a file
for which kbuild had a rule to compile it (foo.c => foo.o)
then kbuild would compile the file before adding the
file to the initramfs.

Teach make that files included in initramfs shall not be updated by adding
an 'empty command'. (See "Using Empty Commands" in info make).

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

parent 8ccf2832

usr/Makefile

+3 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,9 @@ quiet_cmd_initfs = GEN $@
		cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)

		targets := initramfs_data.cpio.gz
		# do not try to update files included in initramfs
		$(deps_initramfs): ;

		$(deps_initramfs): klibcdirs
		# We rebuild initramfs_data.cpio.gz if:
		# 1) Any included file is newer then initramfs_data.cpio.gz

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