upstream patch to support gcc -fno-common option

0023-support-gcc-fno-common-option.patch

@@ -0,0 +1,100 @@
+commit 499a006a7d6bb154f9e1ab430e4c9e231ba6096a
+Author: Lee Duncan <lduncan@suse.com>
+Date:   Tue Jan 28 16:36:56 2020 -0800
+
+    Updates to support gcc -fno-common option.
+    
+    This meant cleaning up the definition of some
+    global variables, so that they were only defined
+    in one place and refered to as external elsewhere.
+
+diff --git a/include/iscsi_err.h b/include/iscsi_err.h
+index ed000dd..04a8723 100644
+--- a/include/iscsi_err.h
++++ b/include/iscsi_err.h
+@@ -4,7 +4,7 @@
+ #ifndef _ISCSI_ERR_
+ #define _ISCSI_ERR_
+ 
+-enum {
++enum iscsi_error_list {
+ 	ISCSI_SUCCESS			= 0,
+ 	/* Generic error */
+ 	ISCSI_ERR			= 1,
+@@ -73,7 +73,9 @@ enum {
+ 
+ 	/* Always last. Indicates end of error code space */
+ 	ISCSI_MAX_ERR_VAL,
+-} iscsi_err;
++};
++
++extern enum iscsi_error_list iscsi_err;
+ 
+ extern void iscsi_err_print_msg(int err);
+ extern char *iscsi_err_to_str(int err);
+diff --git a/iscsiuio/configure.ac b/iscsiuio/configure.ac
+index b41df0e..8099f09 100644
+--- a/iscsiuio/configure.ac
++++ b/iscsiuio/configure.ac
+@@ -78,7 +78,7 @@ AC_CONFIG_COMMANDS([default],[[
+     else
+         echo 'char *build_date = "'`date`'";' > src/unix/build_date.c
+     fi
+-    echo 'char *build_date;'> src/unix/build_date.h
++    echo 'extern char *build_date;'> src/unix/build_date.h
+ ]],[[]])
+ 
+ AC_PREFIX_DEFAULT()
+diff --git a/iscsiuio/src/uip/uip.h b/iscsiuio/src/uip/uip.h
+index 1180ab5..9d9428a 100644
+--- a/iscsiuio/src/uip/uip.h
++++ b/iscsiuio/src/uip/uip.h
+@@ -70,8 +70,8 @@ struct uip_stack;
+ typedef u16_t uip_ip4addr_t[2];
+ typedef u16_t uip_ip6addr_t[8];
+ 
+-const uip_ip6addr_t all_zeroes_addr6;
+-const uip_ip4addr_t all_zeroes_addr4;
++extern const uip_ip6addr_t all_zeroes_addr6;
++extern const uip_ip4addr_t all_zeroes_addr4;
+ 
+ #define ETH_BUF(buf) ((struct uip_eth_hdr *)buf)
+ #define VLAN_ETH_BUF(buf) ((struct uip_vlan_eth_hdr *)buf)
+diff --git a/usr/iscsi_err.c b/usr/iscsi_err.c
+index 23c61fc..4a057d5 100644
+--- a/usr/iscsi_err.c
++++ b/usr/iscsi_err.c
+@@ -21,6 +21,8 @@
+ #include "iscsi_err.h"
+ #include "log.h"
+ 
++enum iscsi_error_list iscsi_err;
++
+ static char *iscsi_err_msgs[] = {
+ 	/* 0 */ "",
+ 	/* 1 */ "unknown error",
+diff --git a/usr/log.c b/usr/log.c
+index f29b54b..6e16e7c 100644
+--- a/usr/log.c
++++ b/usr/log.c
+@@ -33,6 +33,7 @@
+ 
+ char *log_name;
+ int log_level = 0;
++struct logarea *la = NULL;
+ 
+ static int log_stop_daemon = 0;
+ static void (*log_func)(int prio, void *priv, const char *fmt, va_list ap);
+diff --git a/usr/log.h b/usr/log.h
+index 486a08e..c548791 100644
+--- a/usr/log.h
++++ b/usr/log.h
+@@ -64,7 +64,7 @@ struct logarea {
+ 	union semun semarg;
+ };
+ 
+-struct logarea *la;
++extern struct logarea *la;
+ 
+ extern int log_init(char *program_name, int size,
+ 	void (*func)(int prio, void *priv, const char *fmt, va_list ap),

iscsi-initiator-utils.spec

@@ -9,7 +9,7 @@
 Summary: iSCSI daemon and utility programs
 Name: iscsi-initiator-utils
 Version: 6.%{open_iscsi_version}.%{open_iscsi_build}
-Release: 0.git%{shortcommit0}%{?dist}.1
+Release: 1.git%{shortcommit0}%{?dist}
 License: GPLv2+
 URL: http://www.open-iscsi.org
 Source0: https://github.com/open-iscsi/open-iscsi/archive/%{commit0}.tar.gz#/open-iscsi-%{shortcommit0}.tar.gz
@@ -38,6 +38,7 @@ Patch0019: 0019-Coverity-scan-fixes.patch
 Patch0020: 0020-fix-upstream-build-breakage-of-iscsiuio-LDFLAGS.patch
 Patch0021: 0021-improve-systemd-service-files-for-boot-session-handl.patch
 Patch0022: 0022-use-Red-Hat-version-string-to-match-RPM-package-vers.patch
+Patch0023: 0023-support-gcc-fno-common-option.patch
 
 BuildRequires: flex bison doxygen kmod-devel systemd-units
 BuildRequires: autoconf automake libtool libmount-devel openssl-devel
@@ -336,6 +337,9 @@ fi
 %{python3_sitearch}/*
 
 %changelog
+* Mon Feb 24 2020 Than Ngo <than@redhat.com> - 6.2.1.0-1.git4440e57
+- upstream patch to support gcc -fno-common option
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 6.2.1.0-0.git4440e57.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild