!9 Fix link failuer with gcc-10

From: @weidongkl
Reviewed-by: @ruebb
Signed-off-by: @ruebb

partclone-0.3.12-gcc10.patch

@@ -0,0 +1,56 @@
+From 7638e1937083f6da076e5c469c14acc32f65ba49 Mon Sep 17 00:00:00 2001
+From: Robert Scheck <robert@fedoraproject.org>
+Date: Sun, 2 Feb 2020 23:13:06 +0100
+Subject: [PATCH] Declare variables as extern in headers (fixes #136)
+
+GCC 10 compatibility as per https://gcc.gnu.org/gcc-10/porting_to.html
+
+See also:
+ - https://github.com/Thomas-Tsai/partclone/issues/136
+ - https://github.com/Thomas-Tsai/partclone/pull/137
+---
+ src/partclone.c | 1 +
+ src/partclone.h | 4 ++--
+ src/xfsclone.c  | 2 +-
+ 3 files changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/src/partclone.c b/src/partclone.c
+index 98365043..e264cbb1 100644
+--- a/src/partclone.c
++++ b/src/partclone.c
+@@ -55,6 +55,7 @@
+ 
+ 
+ FILE* msg = NULL;
++unsigned long long rescue_write_size;
+ #ifdef HAVE_LIBNCURSESW
+ #include <ncurses.h>
+ WINDOW *log_win;
+diff --git a/src/partclone.h b/src/partclone.h
+index 5188e290..3dc2ef1b 100644
+--- a/src/partclone.h
++++ b/src/partclone.h
+@@ -80,8 +80,8 @@ const char* get_exec_name();
+ #undef crc32
+ #endif
+ 
+-char *EXECNAME;
+-unsigned long long rescue_write_size;
++extern char *EXECNAME;
++extern unsigned long long rescue_write_size;
+ 
+ /**
+  * option
+diff --git a/src/xfsclone.c b/src/xfsclone.c
+index 522431ab..6f807e90 100644
+--- a/src/xfsclone.c
++++ b/src/xfsclone.c
+@@ -24,7 +24,7 @@
+ #undef crc32
+ int	source_fd = -1;
+ int     first_residue;
+-progress_bar        prog;
++extern progress_bar prog;
+ unsigned long long checked;
+ unsigned long long total_block;
+ int bitmap_done = 0;

partclone.spec

@@ -4,7 +4,7 @@
 Summary:        Utility to clone and restore a partition
 Name:           partclone
 Version:        0.3.12
-Release:        2
+Release:        3
 # Partclone itself is GPLv2+ but uses other source codes, breakdown:
 # GPLv3+: fail-mbr/fail-mbr.S
 # GPLv2 and GPLv2+: src/btrfs*
@@ -17,6 +17,7 @@ Release:        2
 License:        GPL+ and GPLv2 and GPLv2+ and GPLv3+ and LGPLv2 and LGPLv2+
 URL:            http://partclone.org/
 Source0:        https://github.com/Thomas-Tsai/partclone/archive/%{version}/%{name}-%{version}.tar.gz
+Patch0: 	partclone-0.3.12-gcc10.patch
 BuildRequires:  gcc
 BuildRequires:  libuuid-devel
 BuildRequires:  fuse-devel
@@ -41,7 +42,7 @@ and is designed for higher compatibility of the file system by using existing
 libraries, e.g. e2fslibs is used to read and write the ext2 partition.
 
 %prep
-%setup -q
+%autosetup -p1
 autoreconf -i -f
 
 %build
@@ -66,6 +67,9 @@ autoreconf -i -f
   --enable-minix \
   --enable-ncursesw \
   --enable-fs-test
+# https://forum.slitaz.org/topic/parclone-needs-to-be-rebuilded
+sed -i 's|exit 1|exit 0|' fail-mbr/compile-mbr.sh
+
 %make_build
 
 %install
@@ -115,6 +119,9 @@ make check || (cat tests/test-suite.log; exit 1)
 %{_mandir}/man8/%{name}*.8*
 
 %changelog
+* Tue Aug 3 2021 weidong <weidong@uniontech.com> - 0.3.12-3
+- Fix link failuer with gcc-10
+
 * Fri Nov 6 2020 weidong <weidong@uniontech.com> - 0.3.12-2
 - Modify buildrequires