It creates the symlinks with the wrong versions

--- a/Makefile.orig	2018-05-02 14:19:10.007775576 +0800
+++ b/Makefile	2018-05-02 14:20:59.414089065 +0800
@@ -2928,7 +2928,7 @@
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++$(SHARED_VERSION_CPP)-dll.a $(prefix)/$(INSTALL_LIBDIR)/libgrpc++.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++.so.6
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++.so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++.so
 endif
 	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
@@ -2937,7 +2937,7 @@
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_cronet$(SHARED_VERSION_CPP)-dll.a $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_cronet.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_cronet.so.6
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_cronet.so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_cronet$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_cronet.so
 endif
 	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
@@ -2946,7 +2946,7 @@
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_error_details$(SHARED_VERSION_CPP)-dll.a $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_error_details.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_error_details.so.6
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_error_details.so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_error_details$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_error_details.so
 endif
 	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
@@ -2955,7 +2955,7 @@
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_reflection$(SHARED_VERSION_CPP)-dll.a $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_reflection.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_reflection.so.6
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_reflection.so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_reflection$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_reflection.so
 endif
 	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP)"
@@ -2964,7 +2964,7 @@
 ifeq ($(SYSTEM),MINGW32)
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION_CPP)-dll.a $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_unsecure.a
 else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_unsecure.so.6
+	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_unsecure.so.1
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION_CPP).$(SHARED_EXT_CPP) $(prefix)/$(INSTALL_LIBDIR)/libgrpc++_unsecure.so
 endif
 ifneq ($(SYSTEM),MINGW32)