[mirror_zfs-debian.git] / config / zfs-meta.m4

dnl #
dnl # ZFS_AC_META
dnl # Read metadata from the META file.
dnl #
dnl # AUTHOR:
dnl # Chris Dunlap <cdunlap@llnl.gov>
dnl #
AC_DEFUN([ZFS_AC_META], [

	AH_BOTTOM([
#undef PACKAGE
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#undef STDC_HEADERS
#undef VERSION])

	AC_MSG_CHECKING([metadata])

	META="$srcdir/META"
	_zfs_ac_meta_got_file=no
	if test -f "$META"; then
		_zfs_ac_meta_got_file=yes

		ZFS_META_NAME=_ZFS_AC_META_GETVAL([(?:NAME|PROJECT|PACKAGE)]);
		if test -n "$ZFS_META_NAME"; then
			AC_DEFINE_UNQUOTED([ZFS_META_NAME], ["$ZFS_META_NAME"],
				[Define the project name.]
			)
			AC_SUBST([ZFS_META_NAME])
		fi

		ZFS_META_VERSION=_ZFS_AC_META_GETVAL([VERSION]);
		if test -n "$ZFS_META_VERSION"; then
			AC_DEFINE_UNQUOTED([ZFS_META_VERSION], ["$ZFS_META_VERSION"],
				[Define the project version.]
			)
			AC_SUBST([ZFS_META_VERSION])
		fi

		ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([RELEASE]);
		if test -n "$ZFS_META_RELEASE"; then
			AC_DEFINE_UNQUOTED([ZFS_META_RELEASE], ["$ZFS_META_RELEASE"],
				[Define the project release.]
			)
			AC_SUBST([ZFS_META_RELEASE])
		fi

		ZFS_META_LICENSE=_ZFS_AC_META_GETVAL([LICENSE]);
		if test -n "$ZFS_META_LICENSE"; then
			AC_DEFINE_UNQUOTED([ZFS_META_LICENSE], ["$ZFS_META_LICENSE"],
				[Define the project license.]
			)
			AC_SUBST([ZFS_META_LICENSE])
		fi

		if test -n "$ZFS_META_NAME" -a -n "$ZFS_META_VERSION"; then
				ZFS_META_ALIAS="$ZFS_META_NAME-$ZFS_META_VERSION"
				test -n "$ZFS_META_RELEASE" && 
				        ZFS_META_ALIAS="$ZFS_META_ALIAS-$ZFS_META_RELEASE"
				AC_DEFINE_UNQUOTED([ZFS_META_ALIAS],
					["$ZFS_META_ALIAS"],
					[Define the project alias string.] 
				)
				AC_SUBST([ZFS_META_ALIAS])
		fi

		ZFS_META_DATA=_ZFS_AC_META_GETVAL([DATE]);
		if test -n "$ZFS_META_DATA"; then
			AC_DEFINE_UNQUOTED([ZFS_META_DATA], ["$ZFS_META_DATA"],
				[Define the project release date.] 
			)
			AC_SUBST([ZFS_META_DATA])
		fi

		ZFS_META_AUTHOR=_ZFS_AC_META_GETVAL([AUTHOR]);
		if test -n "$ZFS_META_AUTHOR"; then
			AC_DEFINE_UNQUOTED([ZFS_META_AUTHOR], ["$ZFS_META_AUTHOR"],
				[Define the project author.]
			)
			AC_SUBST([ZFS_META_AUTHOR])
		fi

		m4_pattern_allow([^LT_(CURRENT|REVISION|AGE)$])
		ZFS_META_LT_CURRENT=_ZFS_AC_META_GETVAL([LT_CURRENT]);
		ZFS_META_LT_REVISION=_ZFS_AC_META_GETVAL([LT_REVISION]);
		ZFS_META_LT_AGE=_ZFS_AC_META_GETVAL([LT_AGE]);
		if test -n "$ZFS_META_LT_CURRENT" \
				 -o -n "$ZFS_META_LT_REVISION" \
				 -o -n "$ZFS_META_LT_AGE"; then
			test -n "$ZFS_META_LT_CURRENT" || ZFS_META_LT_CURRENT="0"
			test -n "$ZFS_META_LT_REVISION" || ZFS_META_LT_REVISION="0"
			test -n "$ZFS_META_LT_AGE" || ZFS_META_LT_AGE="0"
			AC_DEFINE_UNQUOTED([ZFS_META_LT_CURRENT],
				["$ZFS_META_LT_CURRENT"],
				[Define the libtool library 'current'
				 version information.]
			)
			AC_DEFINE_UNQUOTED([ZFS_META_LT_REVISION],
				["$ZFS_META_LT_REVISION"],
				[Define the libtool library 'revision'
				 version information.]
			)
			AC_DEFINE_UNQUOTED([ZFS_META_LT_AGE], ["$ZFS_META_LT_AGE"],
				[Define the libtool library 'age' 
				 version information.]
			)
			AC_SUBST([ZFS_META_LT_CURRENT])
			AC_SUBST([ZFS_META_LT_REVISION])
			AC_SUBST([ZFS_META_LT_AGE])
		fi
	fi

	AC_MSG_RESULT([$_zfs_ac_meta_got_file])
	]
)

AC_DEFUN([_ZFS_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' $META`]dnl
)
Commit	Line	Data
c9c0d073 BB	1	dnl #
	2	dnl # ZFS_AC_META
	3	dnl # Read metadata from the META file.
	4	dnl #
	5	dnl # AUTHOR:
	6	dnl # Chris Dunlap <cdunlap@llnl.gov>
	7	dnl #
	8	AC_DEFUN([ZFS_AC_META], [
	9
	10	AH_BOTTOM([
	11	#undef PACKAGE
	12	#undef PACKAGE_BUGREPORT
	13	#undef PACKAGE_NAME
	14	#undef PACKAGE_STRING
	15	#undef PACKAGE_TARNAME
	16	#undef PACKAGE_VERSION
	17	#undef STDC_HEADERS
	18	#undef VERSION])
	19
	20	AC_MSG_CHECKING([metadata])
	21
	22	META="$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	)