1 dnl -*- mode: autoconf -*-
3 dnl [m4_newline] didn't appear until autoconf 2.62
4 m4_ifdef([m4_newline],,[m4_define([m4_newline],[
7 dnl These are not available in autoconf 2.59
9 m4_ifdef([m4_foreach_w],,[m4_define([m4_foreach_w],
10 [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
14 [m4_if([$#], 0, [m4_fatal([$0: too few arguments: $#])],
16 [$#], 2, [ $1) m4_default([$2], [:]) ;;],
17 [ $1) m4_default([$2], [:]) ;;
18 $0(m4_shift2($@))])dnl
23 _AS_CASE(m4_shift($@))
29 m4_ifdef([m4_shift2],, [m4_define([m4_shift2], [m4_shift(m4_shift($@))])])
32 dnl ==========================================================================
34 dnl This has to be in acinclude.m4 as it includes other files
36 dnl Parse Version.mk and declare m4 variables out of it
37 m4_define([CAIRO_PARSE_VERSION],dnl
39 m4_bpatsubst(m4_include(cairo-version.h),
40 [^.define \([a-zA-Z0-9_]*\) *\([0-9][0-9]*\)],
41 [[m4_define(\1, \[\2\])]]),
45 dnl ==========================================================================
47 m4_pattern_forbid([^cr_])
49 dnl AC_AUTOCONF_VERSION was introduced in 2.62, so its definition works as
50 dnl a conditional on version >= 2.62. Older versions did not call
51 dnl m4_pattern_allow from AC_DEFINE and friends. To avoid lots of warnings we
52 dnl only forbid CAIRO_ if autoconf is recent enough.
53 m4_ifdef([AC_AUTOCONF_VERSION],
54 [m4_pattern_forbid([CAIRO])],
55 [m4_pattern_forbid([_CAIRO])])