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From 4f4e84f139e2a8682f1374a592f2636c43ad857b Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@arm.com>
Date: Tue, 21 May 2024 15:10:11 +0000
Subject: [PATCH] m4/readline: add missing includes
The cross-specific code fragment only includes stdio.h, where the native
fragment also includes fcntl.h and unistd.h. This is important because
GCC 14.1 has made the implicit definitions an error:
conftest.c: In function 'main':
conftest.c:144:9: error: implicit declaration of function 'close'; did you mean 'pclose'? [-Wimplicit-function-declaration]
conftest.c:146:14: error: implicit declaration of function 'open'; did you mean 'popen'? [-Wimplicit-function-declaration]
Add the missing includes so that the check doesn't always fail due to
these errors.
Upstream-Status: Submitted [https://lists.gnu.org/archive/html/bug-gawk/2024-05/msg00000.html]
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
m4/readline.m4 | 2 ++
1 file changed, 2 insertions(+)
diff --git a/m4/readline.m4 b/m4/readline.m4
index 38f96326..efd52d4e 100644
--- a/m4/readline.m4
+++ b/m4/readline.m4
@@ -66,6 +66,8 @@ dnl action if false:
dnl action if cross compiling:
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
#include <readline/readline.h>
#include <readline/history.h>]], dnl includes
dnl function body
--
2.34.1
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