kbuild: re-export VERSION, PATCHLEVEL, SUBLEVEL

Eric Sandeen <sandeen@sgi.com> pointed out that it is usefull to have
access to VERSION, PATCHLEVEL, SUBLEVEL in external modules, and gooling
a litte confirmed this.
So re-export them.
Usage within the kernel is still discouraged but possible.

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

diff --git a/Makefile b/Makefile
index df60aa1bfb530402c6feec973ab723d8e4482a04..1d1afa573299d3a9a388b7436fcf1bf12af80e4b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -338,7 +338,7 @@ AFLAGS              := -D__ASSEMBLY__
 # Read KERNELRELEASE from .kernelrelease (if it exists)
 KERNELRELEASE = $(shell cat .kernelrelease 2> /dev/null)
 
-export KERNELRELEASE \
+export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE \
        ARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \
        CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE \
        HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS