libuv-svace-build

1
# AS_CASE(WORD, [PATTERN1], [IF-MATCHED1]...[DEFAULT])
2
# ----------------------------------------------------
3
# Expand into
4
# | case WORD in
5
# | PATTERN1) IF-MATCHED1 ;;
6
# | ...
7
# | *) DEFAULT ;;
8
# | esac
9
m4_define([_AS_CASE],
10
[m4_if([$#], 0, [m4_fatal([$0: too few arguments: $#])],
11
       [$#], 1, [  *) $1 ;;],
12
       [$#], 2, [  $1) m4_default([$2], [:]) ;;],
13
       [  $1) m4_default([$2], [:]) ;;
14
$0(m4_shiftn(2, $@))])dnl
15
])
16
m4_defun([AS_CASE],
17
[m4_ifval([$2$3],
18
[case $1 in
19
_AS_CASE(m4_shift($@))
20
esac])])
21

22