config/zfs-meta.m4

   1 dnl #
   2 dnl # ZFS_AC_META
   3 dnl # Read metadata from the META file.
   4 dnl #
   5 dnl # AUTHOR:
   6 dnl # Chris Dunlap <cdunlap@llnl.gov>
   7 dnl #
   8 AC_DEFUN([ZFS_AC_META], [
   9
  10         AH_BOTTOM([
  11 #undef PACKAGE
  12 #undef PACKAGE_BUGREPORT
  13 #undef PACKAGE_NAME
  14 #undef PACKAGE_STRING
  15 #undef PACKAGE_TARNAME
  16 #undef PACKAGE_VERSION
  17 #undef STDC_HEADERS
  18 #undef VERSION])
  19
  20         AC_MSG_CHECKING([metadata])
  21
  22         META="$srcdir/META"
  23         _zfs_ac_meta_got_file=no
  24         if test -f "$META"; then
  25                 _zfs_ac_meta_got_file=yes
  26
  27                 ZFS_META_NAME=_ZFS_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
  28                 if test -n "$ZFS_META_NAME"; then
  29                         AC_DEFINE_UNQUOTED([ZFS_META_NAME], ["$ZFS_META_NAME"],
  30                                 [Define the project name.]
  31                         )
  32                         AC_SUBST([ZFS_META_NAME])
  33                 fi
  34
  35                 ZFS_META_VERSION=_ZFS_AC_META_GETVAL([VERSION]);
  36                 if test -n "$ZFS_META_VERSION"; then
  37                         AC_DEFINE_UNQUOTED([ZFS_META_VERSION], ["$ZFS_META_VERSION"],
  38                                 [Define the project version.]
  39                         )
  40                         AC_SUBST([ZFS_META_VERSION])
  41                 fi
  42
  43                 ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([RELEASE]);
  44                 if test -n "$ZFS_META_RELEASE"; then
  45                         AC_DEFINE_UNQUOTED([ZFS_META_RELEASE], ["$ZFS_META_RELEASE"],
  46                                 [Define the project release.]
  47                         )
  48                         AC_SUBST([ZFS_META_RELEASE])
  49                 fi
  50
  51                 ZFS_META_LICENSE=_ZFS_AC_META_GETVAL([LICENSE]);
  52                 if test -n "$ZFS_META_LICENSE"; then
  53                         AC_DEFINE_UNQUOTED([ZFS_META_LICENSE], ["$ZFS_META_LICENSE"],
  54                                 [Define the project license.]
  55                         )
  56                         AC_SUBST([ZFS_META_LICENSE])
  57                 fi
  58
  59                 if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then
  60                                 ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION"
  61                                 test -n "$ZFS_META_RELEASE" &&
  62                                         ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE"
  63                                 AC_DEFINE_UNQUOTED([ZFS_META_ALIAS],
  64                                         ["$ZFS_META_ALIAS"],
  65                                         [Define the project alias string.]
  66                                 )
  67                                 AC_SUBST([ZFS_META_ALIAS])
  68                 fi
  69
  70                 ZFS_META_DATA=_ZFS_AC_META_GETVAL([DATE]);
  71                 if test -n "$ZFS_META_DATA"; then
  72                         AC_DEFINE_UNQUOTED([ZFS_META_DATA], ["$ZFS_META_DATA"],
  73                                 [Define the project release date.]
  74                         )
  75                         AC_SUBST([ZFS_META_DATA])
  76                 fi
  77
  78                 ZFS_META_AUTHOR=_ZFS_AC_META_GETVAL([AUTHOR]);
  79                 if test -n "$ZFS_META_AUTHOR"; then
  80                         AC_DEFINE_UNQUOTED([ZFS_META_AUTHOR], ["$ZFS_META_AUTHOR"],
  81                                 [Define the project author.]
  82                         )
  83                         AC_SUBST([ZFS_META_AUTHOR])
  84                 fi
  85
  86                 m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
  87                 ZFS_META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_CURRENT]);
  88                 ZFS_META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_REVISION]);
  89                 ZFS_META_LT_AGE=_ZFS_AC_META_GETVAL([LT_AGE]);
  90                 if test -n "$ZFS_META_LT_CURRENT" \
  91                                  -o -n "$ZFS_META_LT_REVISION" \
  92                                  -o -n "$ZFS_META_LT_AGE"; then
  93                         test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0"
  94                         test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0"
  95                         test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0"
  96                         AC_DEFINE_UNQUOTED([ZFS_META_LT_CURRENT],
  97                                 ["$ZFS_META_LT_CURRENT"],
  98                                 [Define the libtool library 'current'
  99                                  version information.]
 100                         )
 101                         AC_DEFINE_UNQUOTED([ZFS_META_LT_REVISION],
 102                                 ["$ZFS_META_LT_REVISION"],
 103                                 [Define the libtool library 'revision'
 104                                  version information.]
 105                         )
 106                         AC_DEFINE_UNQUOTED([ZFS_META_LT_AGE], ["$ZFS_META_LT_AGE"],
 107                                 [Define the libtool library 'age'
 108                                  version information.]
 109                         )
 110                         AC_SUBST([ZFS_META_LT_CURRENT])
 111                         AC_SUBST([ZFS_META_LT_REVISION])
 112                         AC_SUBST([ZFS_META_LT_AGE])
 113                 fi
 114         fi
 115
 116         AC_MSG_RESULT([$_zfs_ac_meta_got_file])
 117         ]
 118 )
 119
 120 AC_DEFUN([_ZFS_AC_META_GETVAL],
 121         [`perl -n\
 122                 -e "BEGIN { \\$key=shift @ARGV; }"\
 123                 -e "next unless s/^\s*\\$key@<:@:=@:>@//i;"\
 124                 -e "s/^((?:@<:@^'\"#@:>@*(?:(@<:@'\"@:>@)@<:@^\2@:>@*\2)*)*)#.*/\\@S|@1/;"\
 125                 -e "s/^\s+//;"\
 126                 -e "s/\s+$//;"\
 127                 -e "s/^(@<:@'\"@:>@)(.*)\1/\\@S|@2/;"\
 128                 -e "\\$val=\\$_;"\
 129                 -e "END { print \\$val if defined \\$val; }"\
 130                 '$1' $META`]dnl
 131 )