Merge pull request #8080 from ctiller/decouple_version_number

Allow decoupling core version number from wrapper version numbers

1 files changed, 163 insertions, 142 deletions

diff --git a/Makefile b/Makefile
index da0152be10..9dc4340a58 100644
--- a/Makefile
+++ b/Makefile
@@ -434,7 +434,9 @@ E = @echo
 Q = @
 endif
 
-VERSION = 1.1.0-dev
+CORE_VERSION = 2.0.0-dev
+CPP_VERSION = 1.1.0-dev
+CSHARP_VERSION = 1.1.0-dev
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
@@ -470,20 +472,36 @@ ifeq ($(HAS_PKG_CONFIG), true)
 CACHE_MK += HAS_PKG_CONFIG = true,
 endif
 
-PC_TEMPLATE = prefix=$(prefix),exec_prefix=\$${prefix},includedir=\$${prefix}/include,libdir=\$${exec_prefix}/lib,,Name: $(PC_NAME),Description: $(PC_DESCRIPTION),Version: $(VERSION),Cflags: -I\$${includedir} $(PC_CFLAGS),Requires.private: $(PC_REQUIRES_PRIVATE),Libs: -L\$${libdir} $(PC_LIB),Libs.private: $(PC_LIBS_PRIVATE)
+CORE_PC_TEMPLATE = prefix=$(prefix),exec_prefix=\$${prefix},includedir=\$${prefix}/include,libdir=\$${exec_prefix}/lib,,Name: $(PC_NAME),Description: $(PC_DESCRIPTION),Version: $(CORE_VERSION),Cflags: -I\$${includedir} $(PC_CFLAGS),Requires.private: $(PC_REQUIRES_PRIVATE),Libs: -L\$${libdir} $(PC_LIB),Libs.private: $(PC_LIBS_PRIVATE)
+
+CPP_PC_TEMPLATE = prefix=$(prefix),exec_prefix=\$${prefix},includedir=\$${prefix}/include,libdir=\$${exec_prefix}/lib,,Name: $(PC_NAME),Description: $(PC_DESCRIPTION),Version: $(CPP_VERSION),Cflags: -I\$${includedir} $(PC_CFLAGS),Requires.private: $(PC_REQUIRES_PRIVATE),Libs: -L\$${libdir} $(PC_LIB),Libs.private: $(PC_LIBS_PRIVATE)
+
+CSHARP_PC_TEMPLATE = prefix=$(prefix),exec_prefix=\$${prefix},includedir=\$${prefix}/include,libdir=\$${exec_prefix}/lib,,Name: $(PC_NAME),Description: $(PC_DESCRIPTION),Version: $(CSHARP_VERSION),Cflags: -I\$${includedir} $(PC_CFLAGS),Requires.private: $(PC_REQUIRES_PRIVATE),Libs: -L\$${libdir} $(PC_LIB),Libs.private: $(PC_LIBS_PRIVATE)
 
 ifeq ($(SYSTEM),MINGW32)
-SHARED_EXT = dll
+SHARED_EXT_CORE = dll
+SHARED_EXT_CPP = dll
+SHARED_EXT_CSHARP = dll
 SHARED_PREFIX =
-SHARED_VERSION = -1
+SHARED_VERSION_CORE = -2
+SHARED_VERSION_CPP = -1
+SHARED_VERSION_CSHARP = -1
 else ifeq ($(SYSTEM),Darwin)
-SHARED_EXT = dylib
+SHARED_EXT_CORE = dylib
+SHARED_EXT_CPP = dylib
+SHARED_EXT_CSHARP = dylib
 SHARED_PREFIX = lib
-SHARED_VERSION =
+SHARED_VERSION_CORE =
+SHARED_VERSION_CPP =
+SHARED_VERSION_CSHARP =
 else
-SHARED_EXT = so.$(VERSION)
+SHARED_EXT_CORE = so.$(CORE_VERSION)
+SHARED_EXT_CPP = so.$(CPP_VERSION)
+SHARED_EXT_CSHARP = so.$(CSHARP_VERSION)
 SHARED_PREFIX = lib
-SHARED_VERSION =
+SHARED_VERSION_CORE =
+SHARED_VERSION_CPP =
+SHARED_VERSION_CSHARP =
 endif
 
 ifeq ($(wildcard .git),)
@@ -718,7 +736,7 @@ PC_CFLAGS =
 PC_REQUIRES_PRIVATE = $(PC_REQUIRES_GRPC) $(PC_REQUIRES_SECURE)
 PC_LIBS_PRIVATE = $(PC_LIBS_GRPC) $(PC_LIBS_SECURE)
 PC_LIB = -lgrpc
-GRPC_PC_FILE := $(PC_TEMPLATE)
+GRPC_PC_FILE := $(CORE_PC_TEMPLATE)
 
 # grpc_unsecure .pc file
 PC_NAME = gRPC unsecure
@@ -727,7 +745,7 @@ PC_CFLAGS =
 PC_REQUIRES_PRIVATE = $(PC_REQUIRES_GRPC)
 PC_LIBS_PRIVATE = $(PC_LIBS_GRPC)
 PC_LIB = -lgrpc
-GRPC_UNSECURE_PC_FILE := $(PC_TEMPLATE)
+GRPC_UNSECURE_PC_FILE := $(CORE_PC_TEMPLATE)
 
 PROTOBUF_PKG_CONFIG = false
 
@@ -789,7 +807,7 @@ PC_CFLAGS =
 PC_REQUIRES_PRIVATE = grpc $(PC_REQUIRES_GRPCXX)
 PC_LIBS_PRIVATE = $(PC_LIBS_GRPCXX)
 PC_LIB = -lgrpc++
-GRPCXX_PC_FILE := $(PC_TEMPLATE)
+GRPCXX_PC_FILE := $(CPP_PC_TEMPLATE)
 
 # grpc++_unsecure .pc file
 PC_NAME = gRPC++ unsecure
@@ -798,7 +816,7 @@ PC_CFLAGS =
 PC_REQUIRES_PRIVATE = grpc_unsecure $(PC_REQUIRES_GRPCXX)
 PC_LIBS_PRIVATE = $(PC_LIBS_GRPCXX)
 PC_LIB = -lgrpc++
-GRPCXX_UNSECURE_PC_FILE := $(PC_TEMPLATE)
+GRPCXX_UNSECURE_PC_FILE := $(CPP_PC_TEMPLATE)
 
 ifeq ($(MAKECMDGOALS),clean)
 NO_DEPS = true
@@ -1217,10 +1235,10 @@ static_cxx: pc_cxx pc_cxx_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(L
 
 shared: shared_c shared_cxx
 
-shared_c: pc_c pc_c_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT)
-shared_cxx: pc_cxx pc_cxx_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
+shared_c: pc_c pc_c_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+shared_cxx: pc_cxx pc_cxx_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)
 
-shared_csharp: shared_c  $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT)
+shared_csharp: shared_c  $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP)
 grpc_csharp_ext: shared_csharp
 
 plugins: $(PROTOC_PLUGINS)
@@ -1940,32 +1958,32 @@ endif
 
 strip-shared_c: shared_c
 ifeq ($(CONFIG),opt)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)
 endif
 
 strip-shared_cxx: shared_cxx
 ifeq ($(CONFIG),opt)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)
 endif
 
 strip-shared_csharp: shared_csharp
 ifeq ($(CONFIG),opt)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT)
+	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP)"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP)
 endif
 
 cache.mk::
@@ -2290,41 +2308,41 @@ install-static_cxx: static_cxx strip-static_cxx install-pkg-config_cxx
 
 
 install-shared_c: shared_c strip-shared_c install-pkg-config_c
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/$(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT_CORE)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgpr-imp.a $(prefix)/lib/libgpr-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgpr.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgpr.so
+	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgpr.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgpr.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT_CORE)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc-imp.a $(prefix)/lib/libgrpc-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT_CORE)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_cronet-imp.a $(prefix)/lib/libgrpc_cronet-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc_cronet.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc_cronet.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc_cronet.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc_cronet.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT_CORE)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure-imp.a $(prefix)/lib/libgrpc_unsecure-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc_unsecure.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc_unsecure.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc_unsecure.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(prefix)/lib/libgrpc_unsecure.so
 endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
@@ -2334,41 +2352,41 @@ endif
 
 
 install-shared_cxx: shared_cxx strip-shared_cxx install-shared_c install-pkg-config_cxx
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT_CPP)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++-imp.a $(prefix)/lib/libgrpc++-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT_CPP)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_cronet-imp.a $(prefix)/lib/libgrpc++_cronet-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_cronet.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_cronet.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++_cronet.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++_cronet.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT_CPP)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection-imp.a $(prefix)/lib/libgrpc++_reflection-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_reflection.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_reflection.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++_reflection.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++_reflection.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT_CPP)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure-imp.a $(prefix)/lib/libgrpc++_unsecure-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_unsecure.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_unsecure.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++_unsecure.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/lib/libgrpc++_unsecure.so
 endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
@@ -2378,14 +2396,14 @@ endif
 
 
 install-shared_csharp: shared_csharp strip-shared_csharp
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT)"
+	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP) $(prefix)/lib/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT_CSHARP)
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext-imp.a $(prefix)/lib/libgrpc_csharp_ext-imp.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc_csharp_ext.so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc_csharp_ext.so
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP) $(prefix)/lib/libgrpc_csharp_ext.so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP) $(prefix)/lib/libgrpc_csharp_ext.so
 endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
@@ -2545,20 +2563,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION).$(SHARED_EXT): $(LIBGPR_OBJS)  $(ZLIB_DEP)
+$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGPR_OBJS)  $(ZLIB_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared gpr.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBGPR_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared gpr.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/gpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION).$(SHARED_EXT): $(LIBGPR_OBJS)  $(ZLIB_DEP)
+$(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGPR_OBJS)  $(ZLIB_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBGPR_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS)
 else
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgpr.so.1 -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBGPR_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS)
-	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION).so
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgpr.so.2 -o $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGPR_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS)
+	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).so.2
+	$(Q) ln -sf $(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgpr$(SHARED_VERSION_CORE).so
 endif
 endif
 
@@ -2840,7 +2858,7 @@ ifeq ($(NO_SECURE),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc.a: openssl_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT): openssl_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): openssl_dep_error
 
 else
 
@@ -2857,20 +2875,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
 else
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION).so
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
+	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc$(SHARED_VERSION_CORE).so
 endif
 endif
 
@@ -3103,7 +3121,7 @@ ifeq ($(NO_SECURE),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc_cronet.a: openssl_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT): openssl_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): openssl_dep_error
 
 else
 
@@ -3120,20 +3138,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc_cronet$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_CRONET_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_CRONET_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc_cronet.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_cronet$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_CRONET_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc_cronet.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_cronet$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CRONET_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_CRONET_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_CRONET_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_CRONET_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CRONET_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
 else
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_cronet.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_CRONET_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION).so
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_cronet.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_CRONET_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS)
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION_CORE).so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_cronet$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_cronet$(SHARED_VERSION_CORE).so
 endif
 endif
 
@@ -3600,20 +3618,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a
+$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_UNSECURE_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a
+$(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE): $(LIBGRPC_UNSECURE_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_UNSECURE_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT_CORE) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
 else
-	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_unsecure.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_UNSECURE_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION).so
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_unsecure.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).$(SHARED_EXT_CORE) $(LIBGRPC_UNSECURE_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).so.2
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure$(SHARED_VERSION_CORE).so
 endif
 endif
 
@@ -3722,6 +3740,7 @@ LIBGRPC++_SRC = \
     src/cpp/common/core_codegen.cc \
     src/cpp/common/resource_quota_cc.cc \
     src/cpp/common/rpc_method.cc \
+    src/cpp/common/version_cc.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
     src/cpp/server/dynamic_thread_pool.cc \
@@ -3836,7 +3855,7 @@ ifeq ($(NO_SECURE),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++.a: openssl_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT): openssl_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): openssl_dep_error
 
 else
 
@@ -3846,7 +3865,7 @@ ifeq ($(NO_PROTOBUF),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++.a: protobuf_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT): protobuf_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): protobuf_dep_error
 
 else
 
@@ -3862,20 +3881,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION).so
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).so.1
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP).so
 endif
 endif
 
@@ -3908,6 +3927,7 @@ LIBGRPC++_CRONET_SRC = \
     src/cpp/common/core_codegen.cc \
     src/cpp/common/resource_quota_cc.cc \
     src/cpp/common/rpc_method.cc \
+    src/cpp/common/version_cc.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
     src/cpp/server/dynamic_thread_pool.cc \
@@ -4022,7 +4042,7 @@ ifeq ($(NO_SECURE),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++_cronet.a: openssl_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT): openssl_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): openssl_dep_error
 
 else
 
@@ -4032,7 +4052,7 @@ ifeq ($(NO_PROTOBUF),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++_cronet.a: protobuf_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT): protobuf_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): protobuf_dep_error
 
 else
 
@@ -4048,20 +4068,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_CRONET_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_cronet.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_CRONET_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/grpc_cronet.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_cronet.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_cronet$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_CRONET_OBJS) $(LDLIBS) $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_cronet-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_cronet.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_cronet$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_CRONET_OBJS) $(LDLIBS) $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_cronet-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_CRONET_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_cronet.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_CRONET_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_cronet.$(SHARED_EXT_CORE) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_CRONET_OBJS) $(LDLIBS) $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_cronet
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_CRONET_OBJS) $(LDLIBS) $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_cronet
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_cronet.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_CRONET_OBJS) $(LDLIBS) $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_cronet
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION).so
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_cronet.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_CRONET_OBJS) $(LDLIBS) $(OPENSSL_MERGE_LIBS) $(LDLIBS_SECURE) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_cronet
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP).so.1
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP).so
 endif
 endif
 
@@ -4145,7 +4165,7 @@ ifeq ($(NO_SECURE),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++_reflection.a: openssl_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT): openssl_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): openssl_dep_error
 
 else
 
@@ -4155,7 +4175,7 @@ ifeq ($(NO_PROTOBUF),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++_reflection.a: protobuf_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT): protobuf_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): protobuf_dep_error
 
 else
 
@@ -4171,20 +4191,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/grpc++.$(SHARED_EXT_CPP) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_reflection.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_REFLECTION_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc++-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_reflection.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc++-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT) $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_REFLECTION_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT_CPP) $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_REFLECTION_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc++
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc++
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_reflection.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_REFLECTION_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc++
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION).so
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_reflection.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_REFLECTION_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgrpc++
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).so.1
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP).so
 endif
 endif
 
@@ -4430,6 +4450,7 @@ LIBGRPC++_UNSECURE_SRC = \
     src/cpp/common/core_codegen.cc \
     src/cpp/common/resource_quota_cc.cc \
     src/cpp/common/rpc_method.cc \
+    src/cpp/common/version_cc.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
     src/cpp/server/dynamic_thread_pool.cc \
@@ -4544,7 +4565,7 @@ ifeq ($(NO_PROTOBUF),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a: protobuf_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): protobuf_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): protobuf_dep_error
 
 else
 
@@ -4560,20 +4581,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT_CORE)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT_CORE) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT_CORE)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT_CPP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).so.1
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT_CPP) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP).so
 endif
 endif
 
@@ -5033,7 +5054,7 @@ ifeq ($(NO_SECURE),true)
 
 $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.a: openssl_dep_error
 
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT): openssl_dep_error
+$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP): openssl_dep_error
 
 else
 
@@ -5050,20 +5071,20 @@ endif
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy) -L$(LIBDIR)/$(CONFIG) -shared grpc_csharp_ext.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy) -L$(LIBDIR)/$(CONFIG) -shared grpc_csharp_ext.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CSHARP).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CSHARP)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
 else
-$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
+$(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP): $(LIBGRPC_CSHARP_EXT_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(OPENSSL_DEP)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LD) $(LDFLAGS) $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
+	$(Q) $(LD) $(LDFLAGS) $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT_CSHARP) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
 else
-	$(Q) $(LD) $(LDFLAGS) $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_csharp_ext.so.1 -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION).so.1
-	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION).so
+	$(Q) $(LD) $(LDFLAGS) $(if $(subst Linux,,$(SYSTEM)),,-Wl$(comma)-wrap$(comma)memcpy) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_csharp_ext.so.2 -o $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CSHARP).$(SHARED_EXT_CSHARP) $(LIBGRPC_CSHARP_EXT_OBJS) $(LDLIBS) $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(ZLIB_MERGE_LIBS)
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT_CSHARP) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CSHARP).so.1
+	$(Q) ln -sf $(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT_CSHARP) $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext$(SHARED_VERSION_CSHARP).so
 endif
 endif