Fix failure to build from source

Fix wrong URL in Source0
Add conditional use of reconf

Related: rhbz#1984778

Signed-off-by:  Pavel Reichl <preichl@redhat.com>

fuse.spec

@@ -1,10 +1,10 @@
 Name:		fuse
 Version:	2.9.9
-Release:	13%{?dist}
+Release:	14%{?dist}
 Summary:	File System in Userspace (FUSE) v2 utilities
 License:	GPL+
 URL:		http://fuse.sf.net
-Source0:	https://github.com/libfuse/libfuse/releases/download/%{name}-%{version}.tar.gz
+Source0:	https://github.com/libfuse/libfuse/releases/download/%{name}-%{version}/%{name}-%{version}.tar.gz
 
 Patch1: fuse2-0001-More-parentheses.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=970768
@@ -16,14 +16,22 @@ Patch3: fuse2-0003-make-buffer-size-match-kernel-max-transfer-size.patch
 # https://github.com/libfuse/libfuse/pull/392
 # backported for fuse2
 Patch4: fuse2-0004-Whitelist-SMB2-found-on-some-NAS-devices.patch
+# https://bugzilla.redhat.com/show_bug.cgi?id=1984778
+# https://github.com/libfuse/libfuse/pull/619
+# https://github.com/libfuse/libfuse/commit/ae2352bca9b4e607538412da0cc2a9625cd8b692.patch
+Patch5: fuse2-0005-remove-closefrom-function.patch
+
+# Default to *do* run autoreconf, because in case any downstream patch touched
+# configure.ac or Makefile.am it may be necessary to do so - e.g Patch #5.
+%{!?enable_autotools: %global enable_autotools 1}
 
 Requires:	which
 Conflicts:	filesystem < 3
 BuildRequires:	libselinux-devel
 BuildRequires:	autoconf, automake, libtool, gettext-devel, make
-BuildRequires:  systemd-udev
+BuildRequires:	systemd-udev
 # fuse-common 3.4.2-3 and earlier included man pages
-Requires:       fuse-common >= 3.4.2-4
+Requires:	fuse-common >= 3.4.2-4
 
 %description
 With FUSE it is possible to implement a fully functional filesystem in a
@@ -61,8 +69,12 @@ sed -i 's|mknod|echo Disabled: mknod |g' util/Makefile.in
 %patch2 -p1 -b .conflictfix
 %patch3 -p1 -b .buffer_size
 %patch4 -p1 -b .smb2_whitelist
+%patch5 -p1 -b .remove_closefrom
 
 %build
+%if 0%{?enable_autotools}
+autoreconf -if
+%endif
 # Can't pass --disable-static here, or else the utils don't build
 export MOUNT_FUSE_PATH="%{_sbindir}"
 CFLAGS="%{optflags} -D_GNU_SOURCE" %configure
@@ -123,6 +135,11 @@ rm -f %{buildroot}/%{_libdir}/*.a
 %{_includedir}/fuse
 
 %changelog
+
+* Thu Oct 07 2021 Pavel Reichl <preichl@redhat.com> - 2.9.9-14
+- Fix failure to build from source, fix wrong URL in Source0
+  Related: rhbz#1984778
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 2.9.9-13
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688

fuse2-0005-remove-closefrom-function.patch

@@ -0,0 +1,60 @@
+From ae2352bca9b4e607538412da0cc2a9625cd8b692 Mon Sep 17 00:00:00 2001
+From: Sam James <sam@gentoo.org>
+Date: Sat, 24 Jul 2021 22:02:45 +0100
+Subject: [PATCH] util/ulockmgr_server.c: conditionally define closefrom (fix
+ glibc-2.34+)
+
+closefrom(3) has joined us in glibc-land from *BSD and Solaris. Since
+it's available in glibc 2.34+, we want to detect it and only define our
+fallback if the libc doesn't provide it.
+
+Bug: https://bugs.gentoo.org/803923
+Signed-off-by: Sam James <sam@gentoo.org>
+---
+ configure.ac           | 1 +
+ util/ulockmgr_server.c | 6 ++++++
+ 2 files changed, 7 insertions(+)
+
+diff --git a/configure.ac b/configure.ac
+index 9946a0efa..a2d481aa9 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -55,6 +55,7 @@ fi
+ 
+ AC_CHECK_FUNCS([fork setxattr fdatasync splice vmsplice utimensat])
+ AC_CHECK_FUNCS([posix_fallocate])
++AC_CHECK_FUNCS([closefrom])
+ AC_CHECK_MEMBERS([struct stat.st_atim])
+ AC_CHECK_MEMBERS([struct stat.st_atimespec])
+ 
+diff --git a/util/ulockmgr_server.c b/util/ulockmgr_server.c
+index 273c7d923..a04dac5c6 100644
+--- a/util/ulockmgr_server.c
++++ b/util/ulockmgr_server.c
+@@ -22,6 +22,10 @@
+ #include <sys/socket.h>
+ #include <sys/wait.h>
+ 
++#ifdef HAVE_CONFIG_H
++	#include "config.h"
++#endif
++
+ struct message {
+ 	unsigned intr : 1;
+ 	unsigned nofd : 1;
+@@ -124,6 +128,7 @@ static int receive_message(int sock, void *buf, size_t buflen, int *fdp,
+ 	return res;
+ }
+ 
++#if !defined(HAVE_CLOSEFROM)
+ static int closefrom(int minfd)
+ {
+ 	DIR *dir = opendir("/proc/self/fd");
+@@ -141,6 +146,7 @@ static int closefrom(int minfd)
+ 	}
+ 	return 0;
+ }
++#endif
+ 
+ static void send_reply(int cfd, struct message *msg)
+ {