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From a2dbad461b8a63630f9ad7cfa36b6613e85a91cb Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Sun, 5 Feb 2023 18:38:37 +0100
Subject: [PATCH] autoconf: Fix C99 compatibility issue in mc_GET_FS_INFO check
Content-type: text/plain
Include <fcntl.h> for the declaration of posix_fallocate. This
avoids an implicit function declaration and build issues with future
compilers.
Signed-off-by: Florian Weimer <fweimer@redhat.com>
--- a/m4.include/mc-get-fs-info.m4
+++ b/m4.include/mc-get-fs-info.m4
@@ -8,6 +8,7 @@ AC_DEFUN([gl_POSIX_FALLOCATE], [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#define _XOPEN_SOURCE 600
#include <stdlib.h>
+ #include <fcntl.h>
#if defined(__GLIBC__) && (__GLIBC__ < 2 || __GLIBC_MINOR__ < 7)
possibly broken posix_fallocate
#endif
--
2.39.1
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