diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 42721bb7e..942a79096 100644 --- a/configure.in +++ b/configure.in @@ -395,6 +395,15 @@ if test "$rb_cv_stdarg" = yes; then AC_DEFINE(HAVE_STDARG_PROTOTYPES) fi +AC_CACHE_CHECK(for variable length macro, rb_cv_va_args_macro, + [AC_TRY_COMPILE([@%:@define FOO(a, ...) foo(a, @%:@@%:@__VA_ARGS__)], + [FOO(1);FOO(1,2);FOO(1,2,3);], + rb_cv_va_args_macro=yes, + rb_cv_va_args_macro=no)]) +if test "$rb_cv_va_args_macro" = yes; then + AC_DEFINE(HAVE_VA_ARGS_MACRO) +fi + AC_DEFUN([RUBY_FUNC_ATTRIBUTE], [dnl m4_ifval([$2], dnl [AS_VAR_PUSHDEF([attrib],[$2])], dnl |