2021-04-17 06:14:21 -04:00
|
|
|
dnl -*- Autoconf -*-
|
|
|
|
|
dnl used for AC_ARG_WITH(setjmp-type)
|
2018-01-20 02:05:25 -05:00
|
|
|
AC_DEFUN([RUBY_CHECK_SETJMP], [
|
|
|
|
|
AC_CACHE_CHECK([for ]$1[ as a macro or function], ac_cv_func_$1,
|
2020-12-12 08:55:09 -05:00
|
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
2018-01-20 02:05:25 -05:00
|
|
|
@%:@include <setjmp.h>
|
|
|
|
|
]AC_INCLUDES_DEFAULT([$3])[
|
|
|
|
|
@%:@define JMPARGS_1 env
|
|
|
|
|
@%:@define JMPARGS_2 env,1
|
|
|
|
|
@%:@define JMPARGS JMPARGS_]m4_ifval($2,2,1)[
|
2020-12-12 08:55:09 -05:00
|
|
|
]],
|
|
|
|
|
[m4_ifval($2,$2,jmp_buf)[ env; $1(JMPARGS);]])],
|
2018-01-20 02:05:25 -05:00
|
|
|
ac_cv_func_$1=yes,
|
|
|
|
|
ac_cv_func_$1=no)]
|
|
|
|
|
)
|
|
|
|
|
AS_IF([test "$ac_cv_func_]$1[" = yes], [AC_DEFINE([HAVE_]AS_TR_CPP($1), 1)])
|
|
|
|
|
])dnl
|
