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kernel-yocto/linux-yocto-custom: support low bandwidth options

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To support configurations where active development is not being done within
the oe/bitbake build environment and restricted bandwidth situations, this
commit allows the SRC_URI to point to a kernel tgz instead of a full git
repository.

Outside of the upstream tgz instead of a kernel git repository, the
restrictions, config and patch process is the same as any linux-yocto-custom
recipe.

An example linux-yocto-custom based recipe would have a configuration like
this to build the 3.7 kernel, using an externally supplied config, from the
3.7 tgz:

  SRC_URI = "http://kernel.org/pub/linux/kernel/v3.0/linux-3.7.tar.bz2"
  PV = "3.7"
  S = "${WORKDIR}/linux-3.7"
  SRC_URI[md5sum] = "5323f3faadd051e83af605a63be5ea2e"
  SRC_URI[sha256sum] = "dc08d87a579fe2918362e6666e503a95a76296419195cb499aa9dd4dbe171a9e"

[YOCTO #2686]

(From OE-Core rev: 08b3a282ce75a9972694f0c4379179505b9ec91f)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2013-01-24 00:30:31 -05:00
committed by Richard Purdie
parent de2211133f
commit aa653b9354
1 changed files with 21 additions and 13 deletions
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34
meta/classes/kernel-yocto.bbclass
View File

@@ -158,22 +158,10 @@ do_kernel_checkout() {
mkdir -p ${S}
# We can fix up the kernel repository even if it wasn't a bare clone.
# If KMETA is defined, the branch must exist, but a machine branch
# can be missing since it may be created later by the tools.
mv ${WORKDIR}/git/.git ${S}
rm -rf ${WORKDIR}/git/
cd ${S}
if [ -n "${KMETA}" ]; then
git branch -a | grep -q ${KMETA}
if [ $? -ne 0 ]; then
echo "ERROR. The branch '${KMETA}' is required and was not"
echo "found. Ensure that the SRC_URI points to a valid linux-yocto"
echo "kernel repository"
exit 1
fi
fi
fi
if [ -d "${WORKDIR}/git/" ] && [ ! -d "${WORKDIR}/git/.git" ]; then
elif [ -d "${WORKDIR}/git/" ] && [ ! -d "${WORKDIR}/git/.git" ]; then
# we build out of {S}, so ensure that ${S} is clean and present
rm -rf ${S}
mkdir -p ${S}/.git
@@ -182,9 +170,29 @@ do_kernel_checkout() {
rm -rf ${WORKDIR}/git/
cd ${S}
git config core.bare false
else
# We have no git repository at all. To support low bandwidth options
# for building the kernel, we'll just convert the tree to a git repo
# and let the rest of the process work unchanged
cd ${S}
git init
git add .
git commit -q -m "baseline commit: creating repo for ${PN}-${PV}"
fi
# end debare
# If KMETA is defined, the branch must exist, but a machine branch
# can be missing since it may be created later by the tools.
if [ -n "${KMETA}" ]; then
git branch -a | grep -q ${KMETA}
if [ $? -ne 0 ]; then
echo "ERROR. The branch '${KMETA}' is required and was not"
echo "found. Ensure that the SRC_URI points to a valid linux-yocto"
echo "kernel repository"
exit 1
fi
fi
# convert any remote branches to local tracking ones
for i in `git branch -a | grep remotes | grep -v HEAD`; do
b=`echo $i | cut -d' ' -f2 | sed 's%remotes/origin/%%'`;