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 15 option(gRPC_MSVC_STATIC_RUNTIME "Link with static msvc runtime libraries" OFF) 16 17 if(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) 29 endif() 30 31