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authorSam Ravnborg <sam@mars.ravnborg.org>2006-08-07 20:58:28 +0200
committerSam Ravnborg <sam@mars.ravnborg.org>2006-08-07 20:58:28 +0200
commit58a2f7d85aaf4c41157f15c43a913b5c3c6b3adb (patch)
tree1e7b373066c747e25086e8ce3a8789e02538dea2 /usr
parent8ccf28324c14096bef005c90a2bf5e03ffa07cc6 (diff)
downloadlinaro-lsk-58a2f7d85aaf4c41157f15c43a913b5c3c6b3adb.tar.gz
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>
Diffstat (limited to 'usr')
-rw-r--r--usr/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/usr/Makefile b/usr/Makefile
index e93824269da..5b31c0b61c7 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -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