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
  50                         RELEASE="$ZFS_META_RELEASE"
  51                         AC_SUBST([RELEASE])
  52                 fi
  53
  54                 ZFS_META_LICENSE=_ZFS_AC_META_GETVAL([LICENSE]);
  55                 if test -n "$ZFS_META_LICENSE"; then
  56                         AC_DEFINE_UNQUOTED([ZFS_META_LICENSE], ["$ZFS_META_LICENSE"],
  57                                 [Define the project license.]
  58                         )
  59                         AC_SUBST([ZFS_META_LICENSE])
  60                 fi
  61
  62                 if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then
  63                                 ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION"
  64                                 test -n "$ZFS_META_RELEASE" &&
  65                                         ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE"
  66                                 AC_DEFINE_UNQUOTED([ZFS_META_ALIAS],
  67                                         ["$ZFS_META_ALIAS"],
  68                                         [Define the project alias string.]
  69                                 )
  70                                 AC_SUBST([ZFS_META_ALIAS])
  71                 fi
  72
  73                 ZFS_META_DATA=_ZFS_AC_META_GETVAL([DATE]);
  74                 if test -n "$ZFS_META_DATA"; then
  75                         AC_DEFINE_UNQUOTED([ZFS_META_DATA], ["$ZFS_META_DATA"],
  76                                 [Define the project release date.]
  77                         )
  78                         AC_SUBST([ZFS_META_DATA])
  79                 fi
  80
  81                 ZFS_META_AUTHOR=_ZFS_AC_META_GETVAL([AUTHOR]);
  82                 if test -n "$ZFS_META_AUTHOR"; then
  83                         AC_DEFINE_UNQUOTED([ZFS_META_AUTHOR], ["$ZFS_META_AUTHOR"],
  84                                 [Define the project author.]
  85                         )
  86                         AC_SUBST([ZFS_META_AUTHOR])
  87                 fi
  88
  89                 m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
  90                 ZFS_META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_CURRENT]);
  91                 ZFS_META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_REVISION]);
  92                 ZFS_META_LT_AGE=_ZFS_AC_META_GETVAL([LT_AGE]);
  93                 if test -n "$ZFS_META_LT_CURRENT" \
  94                                  -o -n "$ZFS_META_LT_REVISION" \
  95                                  -o -n "$ZFS_META_LT_AGE"; then
  96                         test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0"
  97                         test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0"
  98                         test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0"
  99                         AC_DEFINE_UNQUOTED([ZFS_META_LT_CURRENT],
 100                                 ["$ZFS_META_LT_CURRENT"],
 101                                 [Define the libtool library 'current'
 102                                  version information.]
 103                         )
 104                         AC_DEFINE_UNQUOTED([ZFS_META_LT_REVISION],
 105                                 ["$ZFS_META_LT_REVISION"],
 106                                 [Define the libtool library 'revision'
 107                                  version information.]
 108                         )
 109                         AC_DEFINE_UNQUOTED([ZFS_META_LT_AGE], ["$ZFS_META_LT_AGE"],
 110                                 [Define the libtool library 'age'
 111                                  version information.]
 112                         )
 113                         AC_SUBST([ZFS_META_LT_CURRENT])
 114                         AC_SUBST([ZFS_META_LT_REVISION])
 115                         AC_SUBST([ZFS_META_LT_AGE])
 116                 fi
 117         fi
 118
 119         AC_MSG_RESULT([$_zfs_ac_meta_got_file])
 120         ]
 121 )
 122
 123 AC_DEFUN([_ZFS_AC_META_GETVAL],
 124         [`perl -n\
 125                 -e "BEGIN { \\$key=shift @ARGV; }"\
 126                 -e "next unless s/^\s*\\$key@<:@:=@:>@//i;"\
 127                 -e "s/^((?:@<:@^'\"#@:>@*(?:(@<:@'\"@:>@)@<:@^\2@:>@*\2)*)*)#.*/\\@S|@1/;"\
 128                 -e "s/^\s+//;"\
 129                 -e "s/\s+$//;"\
 130                 -e "s/^(@<:@'\"@:>@)(.*)\1/\\@S|@2/;"\
 131                 -e "\\$val=\\$_;"\
 132                 -e "END { print \\$val if defined \\$val; }"\
 133                 '$1' $META`]dnl
 134 )