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| author | Michael Gran <spk121@yahoo.com> | 2022-10-08 05:28:06 -0700 |
|---|---|---|
| committer | Mike Gran <spk121@yahoo.com> | 2022-10-14 08:40:23 -0700 |
| commit | 2b73ef4deb7df9e42fd776f1ab334540d047af7d (patch) | |
| tree | bce9f2e0e1a45754bb977ca54e75ccb04b97155b | |
| parent | e9db8a29e472e2c0899344394dd9cf471e9ed514 (diff) | |
| download | guile-2b73ef4deb7df9e42fd776f1ab334540d047af7d.tar.gz | |
Modernizes labels-as-values.m4
labels-as-values.m4 uses deprecated AC_TRY_COMPILE and has
a K&R-type C function declaration
* m4/labels-as-values.m4: updated
| -rw-r--r-- | m4/labels-as-values.m4 | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/m4/labels-as-values.m4 b/m4/labels-as-values.m4 index 3cf7320bd..e01768f00 100644 --- a/m4/labels-as-values.m4 +++ b/m4/labels-as-values.m4 @@ -1,19 +1,18 @@ dnl check for gcc's "labels as values" feature AC_DEFUN([AC_C_LABELS_AS_VALUES], [AC_CACHE_CHECK([labels as values], ac_cv_labels_as_values, -[AC_TRY_COMPILE([ +[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ int foo(int); -int foo(i) -int i; { +int foo(int i) { static void *label[] = { &&l1, &&l2 }; goto *label[i]; l1: return 1; l2: return 2; } -], -[int i;], -ac_cv_labels_as_values=yes, -ac_cv_labels_as_values=no)]) +]], +[[foo(1);]])], +[ac_cv_labels_as_values=yes], +[ac_cv_labels_as_values=no])]) if test "$ac_cv_labels_as_values" = yes; then AC_DEFINE([HAVE_LABELS_AS_VALUES], [], [Define if compiler supports gcc's "labels as values" (aka computed goto) |