update version to 1.31.0

add-secure-compile-option-in-Makefile.patch

@@ -14,3 +14,19 @@ diff -urN grpc/CMakeLists.txt grpc_new/CMakeLists.txt
  
  if(gRPC_USE_PROTO_LITE)
    set(_gRPC_PROTOBUF_LIBRARY_NAME "libprotobuf-lite")
+
+diff --git a/Makefile b/Makefile
+index 6ede6e34d2..d6190ecde4 100644
+--- a/Makefile
++++ b/Makefile
+@@ -478,6 +478,10 @@ LDFLAGS += $(EXTRA_LDFLAGS)
+ DEFINES += $(EXTRA_DEFINES)
+ LDLIBS += $(EXTRA_LDLIBS)
+
++CFLAGS += -Wl,-z,now -fPIE -fPIC
++CPPFLAGS += -Wl,-z,now -fstack-protector-strong
++LDFLAGS += -Wl,-z,now -pie
++
+ HOST_CPPFLAGS += $(CPPFLAGS)
+ HOST_CFLAGS += $(CFLAGS)
+ HOST_CXXFLAGS += $(CXXFLAGS)

grpc.spec

@@ -5,7 +5,7 @@ Summary:       A modern, open source high performance RPC framework that can run
 License:       ASL 2.0
 URL:           https://www.grpc.io
 Source0:       https://github.com/grpc/grpc/archive/v%{version}/%{name}-%{version}.tar.gz
-Source1:       abseil-cpp-b832dce8489ef7b6231384909fd9b68d5a5ff2b7.tar.gz 
+Source1:       abseil-20200225.tar.gz 
 Source2:       benchmark-v1.5.1.tar.gz  
 Source3:       re2-2020-08-01.tar.gz
 Source4:       googletest-release-1.10.0.tar.gz
@@ -158,4 +158,4 @@ rm -rf %{buildroot}%{_prefix}/lib
 - Delete unused patch
 
 * Sat Dec 21 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.22.0-1
-- Package init
+- Package init