diff --git a/nagios-0015-fix-multiple-definition.patch b/nagios-0015-fix-multiple-definition.patch
new file mode 100644
index 0000000000000000000000000000000000000000..0b8ca062e85935b04acf706a7f0e75ad3127c7c9
--- /dev/null
+++ b/nagios-0015-fix-multiple-definition.patch
@@ -0,0 +1,39 @@
+--- ./xdata/xsddefault.c.xiugai	2021-08-03 16:18:47.678788632 +0800
++++ ./xdata/xsddefault.c	2021-08-03 16:19:25.719135981 +0800
+@@ -38,22 +38,22 @@
+ 
+ #ifdef NSCGI
+ #include "../include/cgiutils.h"
+-time_t program_start;
+-int daemon_mode;
+-time_t last_log_rotation;
+-int enable_notifications;
+-int execute_service_checks;
+-int accept_passive_service_checks;
+-int execute_host_checks;
+-int accept_passive_host_checks;
+-int enable_event_handlers;
+-int obsess_over_services;
+-int obsess_over_hosts;
++extern time_t program_start;
++extern int daemon_mode;
++extern time_t last_log_rotation;
++extern int enable_notifications;
++extern int execute_service_checks;
++extern int accept_passive_service_checks;
++extern int execute_host_checks;
++extern int accept_passive_host_checks;
++extern int enable_event_handlers;
++extern int obsess_over_services;
++extern int obsess_over_hosts;
+ int check_service_freshness;
+ int check_host_freshness;
+-int enable_flap_detection;
+-int process_performance_data;
+-int nagios_pid;
++extern int enable_flap_detection;
++extern int process_performance_data;
++extern int nagios_pid;
+ int buffer_stats[1][3];
+ int program_stats[MAX_CHECK_STATS_TYPES][3];
+ #endif
diff --git a/nagios.spec b/nagios.spec
index 5faacfb0fbc1aa52f3ad83a08a9b367cb5705cbf..0bac2f57808a837b9091b37f07f75c8d0520d8d3 100644
--- a/nagios.spec
+++ b/nagios.spec
@@ -1,6 +1,6 @@
 Name:           nagios
 Version:        4.4.3
-Release:        7
+Release:        8
 Summary:        Host/service/network monitoring program
 License:        GPLv2
 URL:            https://www.nagios.org/projects/nagios-core/
@@ -31,6 +31,7 @@ Patch0011:      nagios-0011-remove-rpmbuild.patch
 Patch0012:      nagios-0012-fix-spool.patch
 Patch0013:      nagios-0013-fix-plugin.patch
 Patch0014:      nagios-0014-fix-uidgid.patch
+Patch0015: 	nagios-0015-fix-multiple-definition.patch
 BuildRequires:  doxygen gcc gperf libjpeg-devel libpng-devel zlib-devel gd-devel > 1.8
 BuildRequires:  perl-generators perl(CPAN) perl(ExtUtils::MakeMaker) perl(ExtUtils::Embed)
 BuildRequires:  perl(Test::Harness) perl(Test::More) perl(Test::Simple)
@@ -276,6 +277,9 @@ fi
 %{_libdir}/%{name}/cgi/
 
 %changelog
+* Mon Aug 2 2021 shdluan <shdluan@163.com> - 4.4.3-8
+-fix pack failure when use gcc 10
+
 * Thu Nov 26 2020 lingsheng <lingsheng@huawei.com> - 4.4.3-7
 - Drop unexpected output in scripts