From 7aa3cbb0f5994c7e00ed9c1f36df26bcdc4bf7f6 Mon Sep 17 00:00:00 2001
From: John Hawthorn <john@hawthorn.email>
Date: Thu, 26 Mar 2026 13:37:13 -0700
Subject: Convert K&R function definitions in configure.ac

---
 configure.ac | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2bbce78fd0..b4dc31c269 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2478,9 +2478,7 @@ AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t,
 #include <time.h>
 
 void
-check(tm, y, m, d, h, s)
-    struct tm *tm;
-    int y, m, d, h, s;
+check(struct tm *tm, int y, int m, int d, int h, int s)
 {
     if (!tm ||
 	tm->tm_year != y ||
@@ -2564,8 +2562,7 @@ AS_IF([test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = ye
 #include <signal.h>
 
 void
-sig_handler(dummy)
-     int dummy;
+sig_handler(int dummy)
 {
 }
 
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