1# Copyright 2017 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15option(gRPC_MSVC_STATIC_RUNTIME "Link with static msvc runtime libraries" OFF) 16 17if(gRPC_MSVC_STATIC_RUNTIME) 18 # switch from dynamic to static linking of msvcrt 19 foreach(flag_var 20 CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE 21 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO 22 CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE 23 CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) 24 25 if(${flag_var} MATCHES "/MD") 26 string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") 27 endif(${flag_var} MATCHES "/MD") 28 endforeach(flag_var) 29endif() 30 31