diff options
| -rw-r--r-- | Documentation/kbuild/kbuild.txt | 9 | ||||
| -rw-r--r-- | Makefile | 4 | ||||
| -rwxr-xr-x | scripts/tags.sh | 3 |
3 files changed, 14 insertions, 2 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt index 9c230ea71963..dcfeb32e3360 100644 --- a/Documentation/kbuild/kbuild.txt +++ b/Documentation/kbuild/kbuild.txt @@ -183,6 +183,15 @@ The output directory is often set using "O=..." on the commandline. The value can be overridden in which case the default value is ignored. +KBUILD_ABS_SRCTREE +-------------------------------------------------- +Kbuild uses a relative path to point to the tree when possible. For instance, +when building in the source tree, the source tree path is '.' + +Setting this flag requests Kbuild to use absolute path to the source tree. +There are some useful cases to do so, like when generating tag files with +absolute path entries etc. + KBUILD_SIGN_PIN -------------------------------------------------- This variable allows a passphrase or PIN to be passed to the sign-file @@ -244,6 +244,10 @@ else building_out_of_srctree := 1 endif +ifneq ($(KBUILD_ABS_SRCTREE),) +srctree := $(abs_srctree) +endif + objtree := . VPATH := $(srctree) diff --git a/scripts/tags.sh b/scripts/tags.sh index 7fea4044749b..4e18ae5282a6 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -17,8 +17,7 @@ ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )" # tags and cscope files should also ignore MODVERSION *.mod.c files ignore="$ignore ( -name *.mod.c ) -prune -o" -# Do not use full path if we do not use O=.. builds -# Use make O=. {tags|cscope} +# Use make KBUILD_ABS_SRCTREE=1 {tags|cscope} # to force full paths for a non-O= build if [ "${srctree}" = "." -o -z "${srctree}" ]; then tree= |