Commit 58a2f7d8 authored by Sam Ravnborg's avatar 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: default avatarSam Ravnborg <sam@ravnborg.org>
parent 8ccf2832
...@@ -35,6 +35,9 @@ quiet_cmd_initfs = GEN $@ ...@@ -35,6 +35,9 @@ quiet_cmd_initfs = GEN $@
cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input) cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
targets := initramfs_data.cpio.gz targets := initramfs_data.cpio.gz
# do not try to update files included in initramfs
$(deps_initramfs): ;
$(deps_initramfs): klibcdirs $(deps_initramfs): klibcdirs
# We rebuild initramfs_data.cpio.gz if: # We rebuild initramfs_data.cpio.gz if:
# 1) Any included file is newer then initramfs_data.cpio.gz # 1) Any included file is newer then initramfs_data.cpio.gz
......
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