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###############################################################################
# Written by Chris Dunlap <cdunlap@llnl.gov>.
# Modified by Brian Behlendorf <behlendorf1@llnl.gov>.
###############################################################################
# SPL_AC_META: Read metadata from the META file.
###############################################################################
AC_DEFUN([SPL_AC_META], [
AC_MSG_CHECKING([metadata])
META="$srcdir/META"
_spl_ac_meta_got_file=no
if test -f "$META"; then
_spl_ac_meta_got_file=yes
SPL_META_NAME=_SPL_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
if test -n "$SPL_META_NAME"; then
AC_DEFINE_UNQUOTED([SPL_META_NAME], ["$SPL_META_NAME"],
[Define the project name.]
)
AC_SUBST([SPL_META_NAME])
fi
SPL_META_VERSION=_SPL_AC_META_GETVAL([VERSION]);
if test -n "$SPL_META_VERSION"; then
AC_DEFINE_UNQUOTED([SPL_META_VERSION], ["$SPL_META_VERSION"],
[Define the project version.]
)
AC_SUBST([SPL_META_VERSION])
fi
SPL_META_RELEASE=_SPL_AC_META_GETVAL([RELEASE]);
if test -n "$SPL_META_RELEASE"; then
AC_DEFINE_UNQUOTED([SPL_META_RELEASE], ["$SPL_META_RELEASE"],
[Define the project release.]
)
AC_SUBST([SPL_META_RELEASE])
fi
if test -n "$SPL_META_NAME" -a -n "$SPL_META_VERSION"; then
SPL_META_ALIAS="$SPL_META_NAME-$SPL_META_VERSION"
test -n "$SPL_META_RELEASE" &&
SPL_META_ALIAS="$SPL_META_ALIAS-$SPL_META_RELEASE"
AC_DEFINE_UNQUOTED([SPL_META_ALIAS],
["$SPL_META_ALIAS"],
[Define the project alias string.]
)
AC_SUBST([SPL_META_ALIAS])
fi
SPL_META_DATA=_SPL_AC_META_GETVAL([DATE]);
if test -n "$SPL_META_DATA"; then
AC_DEFINE_UNQUOTED([SPL_META_DATA], ["$SPL_META_DATA"],
[Define the project release date.]
)
AC_SUBST([SPL_META_DATA])
fi
SPL_META_AUTHOR=_SPL_AC_META_GETVAL([AUTHOR]);
if test -n "$SPL_META_AUTHOR"; then
AC_DEFINE_UNQUOTED([SPL_META_AUTHOR], ["$SPL_META_AUTHOR"],
[Define the project author.]
)
AC_SUBST([SPL_META_AUTHOR])
fi
m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
SPL_META_LT_CURRENT=_SPL_AC_META_GETVAL([LT_CURRENT]);
SPL_META_LT_REVISION=_SPL_AC_META_GETVAL([LT_REVISION]);
SPL_META_LT_AGE=_SPL_AC_META_GETVAL([LT_AGE]);
if test -n "$SPL_META_LT_CURRENT" \
-o -n "$SPL_META_LT_REVISION" \
-o -n "$SPL_META_LT_AGE"; then
test -n "$SPL_META_LT_CURRENT" || SPL_META_LT_CURRENT="0"
test -n "$SPL_META_LT_REVISION" || SPL_META_LT_REVISION="0"
test -n "$SPL_META_LT_AGE" || SPL_META_LT_AGE="0"
AC_DEFINE_UNQUOTED([SPL_META_LT_CURRENT],
["$SPL_META_LT_CURRENT"],
[Define the libtool library 'current'
version information.]
)
AC_DEFINE_UNQUOTED([SPL_META_LT_REVISION],
["$SPL_META_LT_REVISION"],
[Define the libtool library 'revision'
version information.]
)
AC_DEFINE_UNQUOTED([SPL_META_LT_AGE], ["$SPL_META_LT_AGE"],
[Define the libtool library 'age'
version information.]
)
AC_SUBST([SPL_META_LT_CURRENT])
AC_SUBST([SPL_META_LT_REVISION])
AC_SUBST([SPL_META_LT_AGE])
fi
fi
AC_MSG_RESULT([$_spl_ac_meta_got_file])
]
)
AC_DEFUN([_SPL_AC_META_GETVAL],
[`perl -n\
-e "BEGIN { \\$key=shift @ARGV; }"\
-e "next unless s/^\s*\\$key@<:@:=@:>@//i;"\
-e "s/^((?:@<:@^'\"#@:>@*(?:(@<:@'\"@:>@)@<:@^\2@:>@*\2)*)*)#.*/\\@S|@1/;"\
-e "s/^\s+//;"\
-e "s/\s+$//;"\
-e "s/^(@<:@'\"@:>@)(.*)\1/\\@S|@2/;"\
-e "\\$val=\\$_;"\
-e "END { print \\$val if defined \\$val; }"\
'$1' $META`]dnl
)
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