From f7d8efbc7a250902b0f2e099821fea3c0ee5800a Mon Sep 17 00:00:00 2001
From: Ross Burton <ross@burtonini.com>
Date: Tue, 2 Apr 2019 16:15:59 +0000
Subject: [PATCH] build: don't check for ansidecl.h

This is an internal GCC header that serves no purpose being checked for.

The same header has already been removed from libxml2: https://gitlab.gnome.org/GNOME/libxml2/commit/ff628d46a1301d76e0217c23c7ef53c5f1faed45.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index ae643387..0780bc80 100644
--- a/configure.ac
+++ b/configure.ac
@@ -168,7 +168,7 @@ dnl
 dnl Math detection
 dnl
 
-AC_CHECK_HEADERS(ieeefp.h nan.h math.h fp_class.h float.h ansidecl.h)
+AC_CHECK_HEADERS(ieeefp.h nan.h math.h fp_class.h float.h)
 AC_CHECK_HEADERS(sys/timeb.h time.h sys/stat.h sys/select.h stdarg.h)
 AC_CHECK_HEADERS(errno.h)
 AC_CHECK_FUNCS(stat _stat)
-- 
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