diff --git a/compile-with-fcommon-to-support-gcc-10.patch b/compile-with-fcommon-to-support-gcc-10.patch
new file mode 100644
index 0000000000000000000000000000000000000000..95ed40e65d86f3104ee0b0bb90c9abda5d5a7282
--- /dev/null
+++ b/compile-with-fcommon-to-support-gcc-10.patch
@@ -0,0 +1,25 @@
+commit e312163ad1349cb767cb38e64908d0dc6247b8f9
+Author: Anil Madhavapeddy <anil@recoil.org>
+Date:   Sun Jun 21 19:06:50 2020 +0100
+Subject: [PATCH] ocaml compile with fcommon to support gcc 10
+
+    Add `-fcommon` unconditionally to CFLAGS to fix gcc10 build
+    
+    Signed-off-by: Anil Madhavapeddy <anil@recoil.org>
+
+diff --git a/configure b/configure
+index 53f45f8..0609069 100755
+--- a/configure
++++ b/configure
+@@ -474,7 +474,7 @@ case "$ccfamily" in
+ -fno-builtin-memcmp";
+     internal_cflags="$gcc_warnings";;
+   gcc-*)
+-    common_cflags="-O2 -fno-strict-aliasing -fwrapv";
++    common_cflags="-O2 -fno-strict-aliasing -fwrapv -fcommon";
+     internal_cflags="$gcc_warnings";;
+   *)
+     common_cflags="-O";;
+-- 
+2.30.0
+
diff --git a/ocaml.spec b/ocaml.spec
index e461591343df8430af8c374002cab466f498e277..d9f9b2d15852191ed8c709f34c83af13e0307eee 100644
--- a/ocaml.spec
+++ b/ocaml.spec
@@ -1,13 +1,14 @@
 Name:           ocaml
 Version:        4.07.0
-Release:        6 
+Release:        7
 Summary:        OCaml compiler and programming environment
-License:        QPL and (LGPLv2+ with exceptions)
+License:        GPL-2.0-or-later and LGPL-2.1-only
 URL:            http://www.ocaml.org
 Source0:        http://caml.inria.fr/pub/distrib/ocaml-4.07/ocaml-%{version}.tar.xz
 
 Patch0002:      0002-ocamlbyteinfo-ocamlplugininfo-Useful-utilities-from-.patch
 Patch0003:      0003-configure-Allow-user-defined-C-compiler-flags.patch
+Patch0004:      compile-with-fcommon-to-support-gcc-10.patch
 
 BuildRequires:  gcc binutils-devel ncurses-devel gdbm-devel emacs gawk perl-interpreter
 BuildRequires:  util-linux libICE-devel libSM-devel libX11-devel libXaw-devel libXext-devel
@@ -237,6 +238,9 @@ find %{buildroot} \( -name '*.cmt' -o -name '*.cmti' \) -a -delete
 %{_mandir}/man3/*
 
 %changelog
+* Fri 30 Jul 2021 sunguoshuai <sunguoshuai@huawei.com> -  4.07.0-7
+- compile with -fcommon to support gcc 10
+
 * Thu Jan 22 2020 yanzhihua <yanzhihua4@huawei.com> - 4.07.0-6
 - modify patching method