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##*****************************************************************************
## $Id: x_ac_meta.m4 416 2005-07-20 17:50:27Z dun $
##*****************************************************************************
# AUTHOR:
# Chris Dunlap <cdunlap@llnl.gov>
#
# SYNOPSIS:
# X_AC_META
#
# DESCRIPTION:
# Read metadata from the META file.
##*****************************************************************************
AC_DEFUN([X_AC_META], [
AC_MSG_CHECKING([metadata])
META="$srcdir/META"
_x_ac_meta_got_file=no
if test -f "$META"; then
_x_ac_meta_got_file=yes
META_NAME=_X_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
if test -n "$META_NAME"; then
AC_DEFINE_UNQUOTED([META_NAME], ["$META_NAME"],
[Define the project name.]
)
AC_SUBST([META_NAME])
fi
META_VERSION=_X_AC_META_GETVAL([VERSION]);
if test -n "$META_VERSION"; then
AC_DEFINE_UNQUOTED([META_VERSION], ["$META_VERSION"],
[Define the project version.]
)
AC_SUBST([META_VERSION])
fi
META_RELEASE=_X_AC_META_GETVAL([RELEASE]);
if test -n "$META_RELEASE"; then
AC_DEFINE_UNQUOTED([META_RELEASE], ["$META_RELEASE"],
[Define the project release.]
)
AC_SUBST([META_RELEASE])
fi
if test -n "$META_NAME" -a -n "$META_VERSION"; then
META_ALIAS="$META_NAME-$META_VERSION"
test -n "$META_RELEASE" && META_ALIAS="$META_ALIAS-$META_RELEASE"
AC_DEFINE_UNQUOTED([META_ALIAS], ["$META_ALIAS"],
[Define the project alias string (name-ver or name-ver-rel).]
)
AC_SUBST([META_ALIAS])
fi
META_DATE=_X_AC_META_GETVAL([DATE]);
if test -n "$META_DATE"; then
AC_DEFINE_UNQUOTED([META_DATE], ["$META_DATE"],
[Define the project release date.]
)
AC_SUBST([META_DATE])
fi
META_AUTHOR=_X_AC_META_GETVAL([AUTHOR]);
if test -n "$META_AUTHOR"; then
AC_DEFINE_UNQUOTED([META_AUTHOR], ["$META_AUTHOR"],
[Define the project author.]
)
AC_SUBST([META_AUTHOR])
fi
m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
META_LT_CURRENT=_X_AC_META_GETVAL([LT_CURRENT]);
META_LT_REVISION=_X_AC_META_GETVAL([LT_REVISION]);
META_LT_AGE=_X_AC_META_GETVAL([LT_AGE]);
if test -n "$META_LT_CURRENT" \
-o -n "$META_LT_REVISION" \
-o -n "$META_LT_AGE"; then
test -n "$META_LT_CURRENT" || META_LT_CURRENT="0"
test -n "$META_LT_REVISION" || META_LT_REVISION="0"
test -n "$META_LT_AGE" || META_LT_AGE="0"
AC_DEFINE_UNQUOTED([META_LT_CURRENT], ["$META_LT_CURRENT"],
[Define the libtool library 'current' version information.]
)
AC_DEFINE_UNQUOTED([META_LT_REVISION], ["$META_LT_REVISION"],
[Define the libtool library 'revision' version information.]
)
AC_DEFINE_UNQUOTED([META_LT_AGE], ["$META_LT_AGE"],
[Define the libtool library 'age' version information.]
)
AC_SUBST([META_LT_CURRENT])
AC_SUBST([META_LT_REVISION])
AC_SUBST([META_LT_AGE])
fi
fi
AC_MSG_RESULT([$_x_ac_meta_got_file])
]
)
AC_DEFUN([_X_AC_META_GETVAL],
[`perl -n\
-e "BEGIN { \\$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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