# Copyright 2019 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if ( gRPC_ABSL_PROVIDER STREQUAL "module" )
if ( NOT ABSL_ROOT_DIR )
set ( ABSL_ROOT_DIR ${ CMAKE_CURRENT_SOURCE_DIR } /third_party/abseil-cpp )
endif ( )
if ( EXISTS "${ABSL_ROOT_DIR}/CMakeLists.txt" )
add_subdirectory ( ${ ABSL_ROOT_DIR } third_party/abseil-cpp )
if ( TARGET absl_base )
if ( gRPC_INSTALL AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE )
install ( TARGETS ${ gRPC_ABSL_USED_TARGETS } EXPORT gRPCTargets
R U N T I M E D E S T I N A T I O N $ { g R P C _ I N S T A L L _ B I N D I R }
L I B R A R Y D E S T I N A T I O N $ { g R P C _ I N S T A L L _ L I B D I R }
A R C H I V E D E S T I N A T I O N $ { g R P C _ I N S T A L L _ L I B D I R } )
endif ( )
endif ( )
else ( )
message ( WARNING "gRPC_ABSL_PROVIDER is \" module\ " but ABSL_ROOT_DIR is wrong" )
endif ( )
if ( gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE )
message ( WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_ABSL_PROVIDER is \" module\ " and CMake version (${CMAKE_VERSION}) is less than 3.13." )
set ( gRPC_INSTALL FALSE )
endif ( )
elseif ( gRPC_ABSL_PROVIDER STREQUAL "package" )
# Use "CONFIG" as there is no built-in cmake module for absl.
find_package ( absl REQUIRED CONFIG )
set ( _gRPC_FIND_ABSL "if(NOT absl_FOUND)\n find_package(absl CONFIG)\nendif()" )
endif ( )