util/genbuild_h/genbuild_h.sh

   1 #!/bin/sh
   2
   3 # This file is part of the coreboot project.
   4 #
   5 # Copyright (C) 2014 Sage Electronic Engineering, LLC.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; version 2 of the License.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16
  17 DATE=""
  18 GITREV=""
  19 TIMESOURCE=""
  20
  21 export LANG=C
  22 export LC_ALL=C
  23 export TZ=UTC0
  24
  25 if [ "${BUILD_TIMELESS}" = "1" ]; then
  26         GITREV=Timeless
  27         TIMESOURCE="fixed"
  28         DATE=0
  29 elif [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
  30         GITREV=$(LANG= git log -1 --format=format:%h)
  31         TIMESOURCE=git
  32         DATE=$(git log --pretty=format:%ct -1)
  33 else
  34         GITREV=Unknown
  35         TIMESOURCE="date"
  36         DATE=$(LANG= LC_ALL=C TZ=UTC0 date +%s)
  37 fi
  38
  39 our_date() {
  40 case $(uname) in
  41 NetBSD|OpenBSD|DragonFly|FreeBSD|Darwin)
  42         date -r $1 $2
  43         ;;
  44 *)
  45         date -d @$1 $2
  46 esac
  47 }
  48
  49 #Print out the information that goes into build.h
  50 printf "/* build system definitions (autogenerated) */\n"
  51 printf "#ifndef __BUILD_H\n"
  52 printf "#define __BUILD_H\n\n"
  53 printf "#define COREBOOT_VERSION %s\n" "\"$KERNELVERSION\""
  54
  55 #See if the build is running in a git repo and the git command is available
  56 printf "/* timesource: $TIMESOURCE */\n"
  57 printf "#define COREBOOT_VERSION_TIMESTAMP $DATE\n"
  58 printf "#define COREBOOT_ORIGIN_GIT_REVISION \"$GITREV\"\n"
  59
  60 printf "#define COREBOOT_EXTRA_VERSION \"%s\"\n" "$COREBOOT_EXTRA_VERSION"
  61 printf "#define COREBOOT_BUILD \"$(our_date "$DATE")\"\n"
  62 printf "#define COREBOOT_BUILD_YEAR_BCD 0x$(our_date "$DATE" +%y)\n"
  63 printf "#define COREBOOT_BUILD_MONTH_BCD 0x$(our_date "$DATE" +%m)\n"
  64 printf "#define COREBOOT_BUILD_DAY_BCD 0x$(our_date "$DATE" +%d)\n"
  65 printf "#define COREBOOT_BUILD_WEEKDAY_BCD 0x$(our_date "$DATE" +%w)\n"
  66 printf "#define COREBOOT_DMI_DATE \"$(our_date "$DATE" +%m/%d/%Y)\"\n"
  67 printf "\n"
  68 printf "#define COREBOOT_COMPILE_TIME \"$(our_date "$DATE" +%T)\"\n"
  69 printf "#endif\n"