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cairo/acinclude.m4
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dnl -*- mode: autoconf -*- | |
dnl [m4_newline] didn't appear until autoconf 2.62 | |
m4_ifdef([m4_newline],,[m4_define([m4_newline],[ | |
])]) | |
dnl These are not available in autoconf 2.59 | |
m4_ifdef([m4_foreach_w],,[m4_define([m4_foreach_w], | |
[m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])]) | |
m4_ifdef([AS_CASE],,[ | |
m4_define([_AS_CASE], | |
[m4_if([$#], 0, [m4_fatal([$0: too few arguments: $#])], | |
[$#], 1, [ *) $1 ;;], | |
[$#], 2, [ $1) m4_default([$2], [:]) ;;], | |
[ $1) m4_default([$2], [:]) ;; | |
$0(m4_shift2($@))])dnl | |
]) | |
m4_defun([AS_CASE], | |
[m4_ifval([$2$3], | |
[case $1 in | |
_AS_CASE(m4_shift($@)) | |
esac | |
])dnl | |
])# AS_CASE | |
]) | |
m4_ifdef([m4_shift2],, [m4_define([m4_shift2], [m4_shift(m4_shift($@))])]) | |
dnl ========================================================================== | |
dnl This has to be in acinclude.m4 as it includes other files | |
dnl Parse Version.mk and declare m4 variables out of it | |
m4_define([CAIRO_PARSE_VERSION],dnl | |
m4_translit(dnl | |
m4_bpatsubst(m4_include(cairo-version.h), | |
[^.define \([a-zA-Z0-9_]*\) *\([0-9][0-9]*\)], | |
[[m4_define(\1, \2)]]), | |
[A-Z], [a-z])dnl | |
)dnl | |
dnl ========================================================================== | |
m4_pattern_forbid([^cr_]) | |
dnl AC_AUTOCONF_VERSION was introduced in 2.62, so its definition works as | |
dnl a conditional on version >= 2.62. Older versions did not call | |
dnl m4_pattern_allow from AC_DEFINE and friends. To avoid lots of warnings we | |
dnl only forbid CAIRO_ if autoconf is recent enough. | |
m4_ifdef([AC_AUTOCONF_VERSION], | |
[m4_pattern_forbid([CAIRO])], | |
[m4_pattern_forbid([_CAIRO])]) |