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Support setting up gRPC via cmake #120

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Merged
rnburn merged 4 commits into from
Sep 18, 2018
Merged

Support setting up gRPC via cmake #120

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254dda6
Bump version.
rnburn May 2, 2018
463e148
Add support for finding gRPC via cmake.
rnburn Sep 16, 2018
6ef5b1b
Merge branch 'master' of github.com:lightstep/lightstep-tracer-cpp in…
rnburn Sep 16, 2018
acde3ba
Add missing include.
rnburn Sep 17, 2018
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27 changes: 19 additions & 8 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -114,15 +114,26 @@ set(LIGHTSTEP_LINK_LIBRARIES ${OPENTRACING_LIBRARY}
${PROTOBUF_LIBRARIES})

if (WITH_GRPC)
find_program(GRPC_CPP_PLUGIN grpc_cpp_plugin)
if (NOT GRPC_CPP_PLUGIN)
message(FATAL_ERROR "grpc_cpp_plugin not found!")
find_package(gRPC CONFIG)
# First attempt to set up gRPC via cmake; but if cmake config files aren't
# available, fallback to pkg-config.
if (gRPC_FOUND)
set(GRPC_CPP_PLUGIN $<TARGET_FILE:gRPC::grpc_cpp_plugin>)
list(APPEND LIGHTSTEP_LINK_LIBRARIES gRPC::grpc++)
include_directories(SYSTEM
$<TARGET_PROPERTY:gRPC::grpc++,INTERFACE_INCLUDE_DIRECTORIES>)
else()
message("Falling back to finding gRPC with pkg-config")
find_program(GRPC_CPP_PLUGIN grpc_cpp_plugin)
if (NOT GRPC_CPP_PLUGIN)
message(FATAL_ERROR "grpc_cpp_plugin not found!")
endif()
find_package(PkgConfig REQUIRED)
pkg_search_module(GRPC REQUIRED grpc)
pkg_search_module(GRPCPP REQUIRED grpc++)
list(APPEND LIGHTSTEP_LINK_LIBRARIES ${GRPCPP_LDFLAGS} ${GRPC_LDFLAGS})
include_directories(SYSTEM ${GRPC_INCLUDE_DIRS} ${GRPCPP_INCLUDE_DIRS})
endif()
find_package(PkgConfig REQUIRED)
pkg_search_module(GRPC REQUIRED grpc)
pkg_search_module(GRPCPP REQUIRED grpc++)
list(APPEND LIGHTSTEP_LINK_LIBRARIES ${GRPCPP_LDFLAGS} ${GRPC_LDFLAGS})
include_directories(SYSTEM ${GRPC_INCLUDE_DIRS} ${GRPCPP_INCLUDE_DIRS})
endif()

set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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