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   1 # HG changeset patch
   2 # User Andreas Oberritter <obi@linuxtv.org>
   3 # Date 1284119639 0
   4 # Node ID 008dba7f69aa8461f3210919fdc2396941241013
   5 # Parent  558dc662028e9ae5debcfb708da07ab67be8b3d8
   6 Support CONFIG_LOCALVERSION by parsing UTS_RELEASE
   7
   8 diff --git a/v4l/Makefile b/v4l/Makefile
   9 --- a/v4l/Makefile
  10 +++ b/v4l/Makefile
  11 @@ -236,22 +236,8 @@
  12  $(obj)/.version:
  13  ifneq ($(DIR),)
  14         @echo "Searching in $(DIR)/Makefile for kernel version."
  15 -       @perl \
  16 -       -e '$$d="$(DIR)"; ' \
  17 -       -e 'S: open IN,"$$d/Makefile"; ' \
  18 -       -e 'while (<IN>) {' \
  19 -       -e '    if (/^VERSION\s*=\s*(\d+)/){ $$version=$$1; }' \
  20 -       -e '    elsif (/^PATCHLEVEL\s*=\s*(\d+)/){ $$level=$$1; }' \
  21 -       -e '    elsif (/^SUBLEVEL\s*=\s*(\d+)/){ $$sublevel=$$1; }' \
  22 -       -e '    elsif (/^EXTRAVERSION\s*=\s*(\S+)\n/){ $$extra=$$1; }' \
  23 -       -e '    elsif (/^KERNELSRC\s*:=\s*(\S.*)\n/ || /^MAKEARGS\s*:=\s*-C\s*(\S.*)\n/)' \
  24 -       -e '        { $$o=$$d; $$d=$$1; goto S; }' \
  25 -       -e '};' \
  26 -       -e 'printf ("VERSION=%s\nPATCHLEVEL:=%s\nSUBLEVEL:=%s\nKERNELRELEASE:=%s.%s.%s%s\n",' \
  27 -       -e '    $$version,$$level,$$sublevel,$$version,$$level,$$sublevel,$$extra);' \
  28 -       -e 'print "OUTDIR:=$$o\n" if($$o);' \
  29 -       -e 'print "SRCDIR:=$$d\n";' > $(obj)/.version
  30 -       @cat .version|grep KERNELRELEASE:|sed s,'KERNELRELEASE:=','Forcing compiling to version ',
  31 +       @perl scripts/generate-dot-version.pl "$(DIR)" > $(obj)/.version
  32 +       @grep KERNELRELEASE: $(obj)/.version | sed s,'KERNELRELEASE:=','Forcing compiling to version ',
  33
  34         @if [ ! -f $(DIR)/scripts/kallsyms ]; then \
  35                 echo "*** Warning: You should configure and build kernel before compiling V4L"; \
  36 diff --git a/v4l/scripts/generate-dot-version.pl b/v4l/scripts/generate-dot-version.pl
  37 new file mode 100755
  38 --- /dev/null
  39 +++ b/v4l/scripts/generate-dot-version.pl
  40 @@ -0,0 +1,75 @@
  41 +#!/usr/bin/perl -w
  42 +
  43 +use strict;
  44 +
  45 +my @headers = (
  46 +       "generated/utsrelease.h",
  47 +       "linux/utsrelease.h",
  48 +       "linux/version.h",
  49 +);
  50 +
  51 +if (@ARGV < 1) {
  52 +       print "Usage: generate-dot-version <srcdir>\n";
  53 +       exit 1;
  54 +}
  55 +
  56 +my $srcdir = $ARGV[0];
  57 +
  58 +if (! -d $srcdir) {
  59 +       print "Not a directory: $srcdir\n";
  60 +       exit 1;
  61 +}
  62 +
  63 +sub print_uts_release($)
  64 +{
  65 +       my $path = shift;
  66 +
  67 +       open IN, "<$path" or die $!;
  68 +
  69 +       while (<IN>) {
  70 +               if (m/#define\s+UTS_RELEASE\s+"(\d+)\.(\d+)\.(\d+)(.*)"/) {
  71 +                       print "VERSION:=$1\n";
  72 +                       print "PATCHLEVEL:=$2\n";
  73 +                       print "SUBLEVEL:=$3\n";
  74 +                       print "KERNELRELEASE:=$1.$2.$3$4\n";
  75 +                       last;
  76 +               }
  77 +       }
  78 +
  79 +       close IN;
  80 +}
  81 +
  82 +sub print_directories($)
  83 +{
  84 +       my $srcdir = shift;
  85 +       my $outdir = undef;
  86 +
  87 +       open IN, "<$srcdir/Makefile" or die $!;
  88 +
  89 +       while (<IN>) {
  90 +               if (m/^KERNELSRC\s*:=\s*(\S.*)\n/ || m/^MAKEARGS\s*:=\s*-C\s*(\S.*)\n/) {
  91 +                       $outdir = $srcdir;
  92 +                       $srcdir = $1;
  93 +                       last;
  94 +               }
  95 +       }
  96 +
  97 +       close IN;
  98 +
  99 +       if (defined $outdir) {
 100 +               print "OUTDIR:=$outdir\n";
 101 +       }
 102 +
 103 +       print "SRCDIR:=$srcdir\n";
 104 +}
 105 +
 106 +for (@headers) {
 107 +       my $path = "$srcdir/include/$_";
 108 +       if (-f $path) {
 109 +               print_uts_release($path);
 110 +               last;
 111 +       }
 112 +}
 113 +
 114 +print_directories($srcdir);
 115 +