From 4f6f54c67fd722c1895303ac1879fb74f789edcb Mon Sep 17 00:00:00 2001
From: Matthias Klose <doko@debian.org>
Date: Sun, 3 Oct 2021 12:27:00 +0100
Subject: [PATCH] Fix build with newer autoconf (2.71)

Bug-Debian: https://bugs.debian.org/995036
Applied-Upstream: https://gitlab.haskell.org/ghc/ghc/-/commit/ad2ef3a13f1eb000eab8e3d64592373b91a52806


Gbp-Pq: Name newer-autoconf
---
 aclocal.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aclocal.m4 b/aclocal.m4
index 5713c96c..fd5c7c1a 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -613,7 +613,7 @@ AC_DEFUN([FP_SET_CFLAGS_C99],
     CPPFLAGS="$$3"
     unset ac_cv_prog_cc_c99
     dnl perform detection
-    _AC_PROG_CC_C99
+    AC_PROG_CC_C99
     fp_cc_c99="$ac_cv_prog_cc_c99"
     case "x$ac_cv_prog_cc_c99" in
       x)   ;; # noop
-- 
2.30.2