diff options
Diffstat (limited to 'compat/scripts/gen-compat-config.sh')
| -rwxr-xr-x | compat/scripts/gen-compat-config.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/compat/scripts/gen-compat-config.sh b/compat/scripts/gen-compat-config.sh new file mode 100755 index 00000000..8dd6f4c4 --- /dev/null +++ b/compat/scripts/gen-compat-config.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# Copyright 2012 Luis R. Rodriguez <mcgrof@frijolero.org> +# Copyright 2012 Hauke Mehrtens <hauke@hauke-m.de> +# +# This generates a bunch of CONFIG_COMPAT_KERNEL_2_6_22 +# CONFIG_COMPAT_KERNEL_3_0 .. etc for each kernel release you need an object +# for. +# +# Note: this is part of the compat.git project, not compat-drivers, +# send patches against compat.git. + +if [[ ! -f ${KLIB_BUILD}/Makefile ]]; then + exit +fi + +# Actual kernel version +KERNEL_VERSION=$(${MAKE} -C ${KLIB_BUILD} kernelversion | sed -n 's/^\([0-9]\)\..*/\1/p') + +# 3.0 kernel stuff +COMPAT_LATEST_VERSION="9" +KERNEL_SUBLEVEL="-1" + +# Note that this script will export all variables explicitly, +# trying to export all with a blanket "export" statement at +# the top of the generated file causes the build to slow down +# by an order of magnitude. + +if [[ ${KERNEL_VERSION} -eq "3" ]]; then + KERNEL_SUBLEVEL=$(${MAKE} -C ${KLIB_BUILD} kernelversion | sed -n 's/^3\.\([0-9]\+\).*/\1/p') +else + COMPAT_26LATEST_VERSION="39" + KERNEL_26SUBLEVEL=$(${MAKE} -C ${KLIB_BUILD} kernelversion | sed -n 's/^2\.6\.\([0-9]\+\).*/\1/p') + let KERNEL_26SUBLEVEL=${KERNEL_26SUBLEVEL}+1 + + for i in $(seq ${KERNEL_26SUBLEVEL} ${COMPAT_26LATEST_VERSION}); do + eval CONFIG_COMPAT_KERNEL_2_6_${i}=y + echo "export CONFIG_COMPAT_KERNEL_2_6_${i}=y" + done +fi + +let KERNEL_SUBLEVEL=${KERNEL_SUBLEVEL}+1 +for i in $(seq ${KERNEL_SUBLEVEL} ${COMPAT_LATEST_VERSION}); do + eval CONFIG_COMPAT_KERNEL_3_${i}=y + echo "export CONFIG_COMPAT_KERNEL_3_${i}=y" +done + +# The purpose of these seem to be the inverse of the above other varibales. +# The RHEL checks seem to annotate the existance of RHEL minor versions. +RHEL_MAJOR=$(grep ^RHEL_MAJOR ${KLIB_BUILD}/Makefile | sed -n 's/.*= *\(.*\)/\1/p') +if [[ ! -z ${RHEL_MAJOR} ]]; then + RHEL_MINOR=$(grep ^RHEL_MINOR ${KLIB_BUILD}/Makefile | sed -n 's/.*= *\(.*\)/\1/p') + for i in $(seq 0 ${RHEL_MINOR}); do + eval CONFIG_COMPAT_RHEL_${RHEL_MAJOR}_${i}=y + echo "export CONFIG_COMPAT_RHEL_${RHEL_MAJOR}_${i}=y" + done +fi + +if [[ ${CONFIG_COMPAT_KERNEL_2_6_33} = "y" ]]; then + if [[ ! ${CONFIG_COMPAT_RHEL_6_0} = "y" ]]; then + echo "export CONFIG_COMPAT_FIRMWARE_CLASS=m" + fi +fi + +if [[ ${CONFIG_COMPAT_KERNEL_2_6_36} = "y" ]]; then + if [[ ! ${CONFIG_COMPAT_RHEL_6_1} = "y" ]]; then + echo "export CONFIG_COMPAT_KFIFO=y" + fi +fi + +if [[ ${CONFIG_COMPAT_KERNEL_3_5} = "y" ]]; then + # We don't have 2.6.24 backport support yet for Codel / FQ CoDel + # For those who want to try this is what is required that I can tell + # so far: + # * struct Qdisc_ops + # - init and change callback ops use a different argument dataype + # - you need to parse data received from userspace differently + if [[ ${CONFIG_COMPAT_KERNEL_2_6_25} != "y" ]]; then + echo "export CONFIG_COMPAT_NET_SCH_CODEL=m" + echo "export CONFIG_COMPAT_NET_SCH_FQ_CODEL=m" + fi +fi |