aboutsummaryrefslogtreecommitdiffstats
path: root/config/zfs-meta.m4
blob: 8b3689af7194574c7ab758d64f4a7a1baa542e9b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
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
)