scripts/abi-rhel-version.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
   3
   4 # First argument is the path to the kernel headers.
   5 KPATH="$1"
   6
   7 if [ ! -f "${KPATH}/include/generated/uapi/linux/version.h" ]; then
   8         echo 0
   9         exit 0
  10 fi
  11
  12 # Assuming KPATH is the target kernel headers directory
  13 RHEL_RELEASE=$(sed -rn 's/^#define RHEL_RELEASE "(.*)"/\1/p' "${KPATH}/include/generated/uapi/linux/version.h")
  14
  15 RHEL_RELEASE_MAJOR=$(echo "${RHEL_RELEASE}" | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\1/')
  16 RHEL_RELEASE_MINOR=$(echo "${RHEL_RELEASE}" | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\2/')
  17 RHEL_RELEASE_PATCH=$(echo "${RHEL_RELEASE}" | sed -r 's/^([0-9]+)\.([0-9]+)\.([0-9]+)/\3/')
  18
  19 # Combine all update numbers into one
  20 RHEL_API_VERSION=$((RHEL_RELEASE_MAJOR * 10000 + RHEL_RELEASE_MINOR * 100 + RHEL_RELEASE_PATCH))
  21
  22 echo ${RHEL_API_VERSION}