1# Copyright 2022 The 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# Configure ccache if requested by environment variable GRPC_BUILD_ENABLE_CCACHE 16 17if ($ENV{GRPC_BUILD_ENABLE_CCACHE}) 18 find_program(gRPC_CCACHE_BINARY ccache) 19 if(gRPC_CCACHE_BINARY) 20 message(STATUS "Will use ccache as compiler launcher: ${gRPC_CCACHE_BINARY}") 21 set(CMAKE_C_COMPILER_LAUNCHER ${gRPC_CCACHE_BINARY}) 22 set(CMAKE_CXX_COMPILER_LAUNCHER ${gRPC_CCACHE_BINARY}) 23 24 # avoid conflicts when multiple processes try to write to PDB files. Instead make debug info part of object files. 25 if(CMAKE_BUILD_TYPE STREQUAL "Debug") 26 string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") 27 string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}") 28 elseif(CMAKE_BUILD_TYPE STREQUAL "Release") 29 string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") 30 string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") 31 elseif(CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo") 32 string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}") 33 string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}") 34 endif() 35 else() 36 message(STATUS "Build will not use ccache (ccache binary not found).") 37 endif() 38endif()