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SubjectRe: Linux 2.6.32-rc3


On Tue, 6 Oct 2009, Linus Torvalds wrote:
>
> Unless:
>
> > _That_ i think is a lot harder to confuse with the real .31 than a
> > v2.6.31-1234-g16123c4 version string.
>
> .. are you saying that it would be just some automatically generated
> thing, just a crippled form of CONFIG_LOCALVERSION_AUTO? Kind of a
> CONFIG_LOCALVERSION_AUTO_SHORTFORM?

So how about this?

It changes how CONFIG_LOCALVERSION_AUTO works, in the following trivial
way:

- if it is set, things work the way they always have, and you get a
extended kernel release like

2.6.32-rc3-00052-g0eca52a-dirty

- but if it is _not_ set, we'll still try to get a version from the
underlying SCM (we actually support git, hg and SVN right now, even if
some comments may say "git only"), and if the underlying SCM says it
has a local version, we append just "+", so you get a version number
like

2.6.32-rc3+

IOW, you'd never get 2.6.32-rc0, but you'd get either the complex git
version number (or SVN/hg/whatever), or at least "2.6.31+" with the "+"
showing that it is more than plain 2.6.31.
The "+" could be anything else, of course. The diff is pretty obvious, you
can argue about exactly _what_ you'd like to see as a suffix for "and then
some".

Linus

---
Makefile | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index e50569a..c62b7cc 100644
--- a/Makefile
+++ b/Makefile
@@ -963,8 +963,6 @@ localver = $(subst $(space),, $(string) \
# .scmversion is used when generating rpm packages so we do not loose
# the version information from the SCM when we do the build of the kernel
# from the copied source
-ifdef CONFIG_LOCALVERSION_AUTO
-
ifeq ($(wildcard .scmversion),)
_localver-auto = $(shell $(CONFIG_SHELL) \
$(srctree)/scripts/setlocalversion $(srctree))
@@ -972,7 +970,14 @@ else
_localver-auto = $(shell cat .scmversion 2> /dev/null)
endif

+ifdef CONFIG_LOCALVERSION_AUTO
localver-auto = $(LOCALVERSION)$(_localver-auto)
+else
+ ifeq ($_localver-auto,)
+ localver-auto = $(LOCALVERSION)
+ else
+ localver-auto = $(LOCALVERSION)+
+ endif
endif

localver-full = $(localver)$(localver-auto)

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