149 lines
4.5 KiB
Plaintext
149 lines
4.5 KiB
Plaintext
###############################################################################
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# Written by Chris Dunlap <cdunlap@llnl.gov>.
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# Modified by Brian Behlendorf <behlendorf1@llnl.gov>.
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###############################################################################
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# ZFS_AC_META: Read metadata from the META file. When building from a
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# git repository the ZFS_META_RELEASE field will be overwritten if there
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# is an annotated tag matching the form ZFS_META_NAME-ZFS_META_VERSION-*.
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# This allows for working builds to be uniquely identified using the git
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# commit hash.
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###############################################################################
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AC_DEFUN([ZFS_AC_META], [
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AH_BOTTOM([
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#undef PACKAGE
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#undef PACKAGE_BUGREPORT
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#undef PACKAGE_NAME
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#undef PACKAGE_STRING
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#undef PACKAGE_TARNAME
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#undef PACKAGE_VERSION
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#undef STDC_HEADERS
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#undef VERSION])
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AC_MSG_CHECKING([metadata])
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META="$srcdir/META"
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_zfs_ac_meta_type="none"
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if test -f "$META"; then
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_zfs_ac_meta_type="META file"
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ZFS_META_NAME=_ZFS_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
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if test -n "$ZFS_META_NAME"; then
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AC_DEFINE_UNQUOTED([ZFS_META_NAME], ["$ZFS_META_NAME"],
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[Define the project name.]
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)
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AC_SUBST([ZFS_META_NAME])
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fi
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ZFS_META_VERSION=_ZFS_AC_META_GETVAL([VERSION]);
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if test -n "$ZFS_META_VERSION"; then
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AC_DEFINE_UNQUOTED([ZFS_META_VERSION], ["$ZFS_META_VERSION"],
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[Define the project version.]
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)
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AC_SUBST([ZFS_META_VERSION])
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fi
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ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([RELEASE]);
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if git rev-parse --git-dir > /dev/null 2>&1; then
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_match="${ZFS_META_NAME}-${ZFS_META_VERSION}*"
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_alias=$(git describe --match=${_match} 2>/dev/null)
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_release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g')
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if test -n "${_release}"; then
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ZFS_META_RELEASE=${_release}
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_zfs_ac_meta_type="git describe"
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fi
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fi
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if test -n "$ZFS_META_RELEASE"; then
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AC_DEFINE_UNQUOTED([ZFS_META_RELEASE], ["$ZFS_META_RELEASE"],
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[Define the project release.]
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)
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AC_SUBST([ZFS_META_RELEASE])
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RELEASE="$ZFS_META_RELEASE"
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AC_SUBST([RELEASE])
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fi
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ZFS_META_LICENSE=_ZFS_AC_META_GETVAL([LICENSE]);
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if test -n "$ZFS_META_LICENSE"; then
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AC_DEFINE_UNQUOTED([ZFS_META_LICENSE], ["$ZFS_META_LICENSE"],
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[Define the project license.]
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)
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AC_SUBST([ZFS_META_LICENSE])
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fi
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if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then
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ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION"
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test -n "$ZFS_META_RELEASE" &&
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ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE"
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AC_DEFINE_UNQUOTED([ZFS_META_ALIAS],
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["$ZFS_META_ALIAS"],
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[Define the project alias string.]
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)
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AC_SUBST([ZFS_META_ALIAS])
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fi
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ZFS_META_DATA=_ZFS_AC_META_GETVAL([DATE]);
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if test -n "$ZFS_META_DATA"; then
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AC_DEFINE_UNQUOTED([ZFS_META_DATA], ["$ZFS_META_DATA"],
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[Define the project release date.]
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)
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AC_SUBST([ZFS_META_DATA])
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fi
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ZFS_META_AUTHOR=_ZFS_AC_META_GETVAL([AUTHOR]);
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if test -n "$ZFS_META_AUTHOR"; then
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AC_DEFINE_UNQUOTED([ZFS_META_AUTHOR], ["$ZFS_META_AUTHOR"],
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[Define the project author.]
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)
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AC_SUBST([ZFS_META_AUTHOR])
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fi
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m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
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ZFS_META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_CURRENT]);
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ZFS_META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_REVISION]);
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ZFS_META_LT_AGE=_ZFS_AC_META_GETVAL([LT_AGE]);
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if test -n "$ZFS_META_LT_CURRENT" \
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-o -n "$ZFS_META_LT_REVISION" \
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-o -n "$ZFS_META_LT_AGE"; then
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test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0"
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test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0"
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test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0"
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AC_DEFINE_UNQUOTED([ZFS_META_LT_CURRENT],
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["$ZFS_META_LT_CURRENT"],
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[Define the libtool library 'current'
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version information.]
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)
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AC_DEFINE_UNQUOTED([ZFS_META_LT_REVISION],
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["$ZFS_META_LT_REVISION"],
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[Define the libtool library 'revision'
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version information.]
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)
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AC_DEFINE_UNQUOTED([ZFS_META_LT_AGE], ["$ZFS_META_LT_AGE"],
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[Define the libtool library 'age'
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version information.]
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)
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AC_SUBST([ZFS_META_LT_CURRENT])
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AC_SUBST([ZFS_META_LT_REVISION])
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AC_SUBST([ZFS_META_LT_AGE])
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fi
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fi
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AC_MSG_RESULT([$_zfs_ac_meta_type])
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]
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)
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AC_DEFUN([_ZFS_AC_META_GETVAL],
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[`perl -n\
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-e "BEGIN { \\$key=shift @ARGV; }"\
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-e "next unless s/^\s*\\$key@<:@:=@:>@//i;"\
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-e "s/^((?:@<:@^'\"#@:>@*(?:(@<:@'\"@:>@)@<:@^\2@:>@*\2)*)*)#.*/\\@S|@1/;"\
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-e "s/^\s+//;"\
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-e "s/\s+$//;"\
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-e "s/^(@<:@'\"@:>@)(.*)\1/\\@S|@2/;"\
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-e "\\$val=\\$_;"\
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-e "END { print \\$val if defined \\$val; }"\
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'$1' $META`]dnl
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)
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