fix compile failure by GCC-10

Signed-off-by: Lu Weitao <luweitaobe@163.com>

fix-minicom-multi-difine.patch

@@ -0,0 +1,31 @@
+diff -urN a/src/minicom.h b/src/minicom.h
+--- a/src/minicom.h	2013-12-08 18:26:03.000000000 +0800
++++ b/src/minicom.h	2021-08-04 11:21:06.786549316 +0800
+@@ -109,13 +109,13 @@
+
+ EXTERN char *dial_name;	    /* System we're conneced to */
+ EXTERN char *dial_number;   /* Number we've dialed. */
+-EXTERN char *dial_user;     /* Our username there */
+-EXTERN char *dial_pass;     /* Our password */
++extern char *dial_user;     /* Our username there */
++extern char *dial_pass;     /* Our password */
+
+ #ifdef USE_SOCKET
+-EXTERN int portfd_is_socket;	/* File descriptor is a unix socket */
+-EXTERN int portfd_is_connected;	/* 1 if the socket is connected */
+-EXTERN struct sockaddr_un portfd_sock_addr;	/* the unix socket address */
++extern int portfd_is_socket;	/* File descriptor is a unix socket */
++extern int portfd_is_connected;	/* 1 if the socket is connected */
++extern struct sockaddr_un portfd_sock_addr;	/* the unix socket address */
+ #define portfd_connected ((portfd_is_socket && !portfd_is_connected) \
+                            ? -1 : portfd)
+ #else
+@@ -141,7 +141,7 @@
+ EXTERN int st_attr;	/* Status Bar attributes. */
+
+ /* jl 04.09.97 conversion tables */
+-EXTERN unsigned char vt_outmap[256], vt_inmap[256];
++extern unsigned char vt_outmap[256], vt_inmap[256];
+
+ /* MARK updated 02/17/95 - history buffer */
+ EXTERN int num_hist_lines;  /* History buffer size */

minicom.spec

@@ -1,12 +1,13 @@
 Name: minicom
 Version: 2.7.1
-Release: 11
+Release: 12
 Summary: A modem control and terminal emulation program
 URL:     https://elinux.org/Minicom
 License: GPLv2+ and LGPLv2+ and Public Domain
 
 Source0: https://fossies.org/linux/misc/minicom-2.7.1.tar.gz
 
+Patch0: fix-minicom-multi-difine.patch
 BuildRequires: lockdev-devel ncurses-devel autoconf automake gettext-devel gcc git
 Requires: lockdev lrzsz
 
@@ -38,7 +39,7 @@ install -d %{buildroot}%{_sysconfdir}
 %doc ChangeLog AUTHORS NEWS TODO doc_/*
 %license COPYING
 %{_bindir}/*
-%exclude /lib/snprintf.c 
+%exclude /lib/snprintf.c
 %exclude %{_mandir}/man1/*
 %exclude %{_datadir}/doc/*
 
@@ -48,5 +49,8 @@ install -d %{buildroot}%{_sysconfdir}
 
 
 %changelog
+* Sat Jul 31 2021  luweitao <luweitao2@huawei.com> - 2.7.1-12
+- fix failure by GCC-10
+
 * Tue Feb 18 2020  zhusongbao <zhusongbao@huawei.com> - 2.7.1-11 
 - Package init