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cmake_minimum_required(VERSION 3.13)
project(dd-opentracing-cpp)
set(SOVERSION 0)
# Introduce variables:
# * CMAKE_INSTALL_LIBDIR
# * CMAKE_INSTALL_BINDIR
# * CMAKE_INSTALL_INCLUDEDIR
include(GNUInstallDirs)
option(BUILD_SHARED "Builds shared library" ON)
option(BUILD_STATIC "Builds static library" OFF)
option(BUILD_OBJECT "Builds objects for use in another project" OFF)
option(BUILD_PLUGIN "Builds plugin (requires gcc and not macos)" OFF)
option(BUILD_TESTING "Builds tests, also enables BUILD_SHARED" OFF)
option(BUILD_COVERAGE "Builds code with code coverage profiling instrumentation" OFF)
if(BUILD_TESTING)
set(BUILD_SHARED ON)
endif()
# Configure the compiler.
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
set(CMAKE_BUILD_TYPE "RelWithDebInfo")
endif()
set(CMAKE_CXX_STANDARD 14)
# Includes
include_directories(SYSTEM 3rd_party/include deps/include)
include_directories(include)
# Libraries
set(CMAKE_LIBRARY_PATH deps/lib)
# Dependencies
find_path(OPENTRACING_INCLUDE_DIR NAMES opentracing/tracer.h)
find_library(OPENTRACING_LIB opentracing)
find_library(MSGPACK_LIB msgpack)
find_package(CURL)
find_package(Threads REQUIRED)
# Code Sanitizers
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/3rd_party/sanitizers-cmake" ${CMAKE_MODULE_PATH})
find_package(Sanitizers)
# Code
install(DIRECTORY include/datadog DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
file(GLOB DD_OPENTRACING_SOURCES "src/*.cpp")
message(STATUS "Compiler ID: ${CMAKE_CXX_COMPILER_ID}")
if((CMAKE_CXX_COMPILER_ID MATCHES "GNU") OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
add_compile_options(-Wall -Wextra -Werror -pedantic -Wnon-virtual-dtor -Woverloaded-virtual -Wold-style-cast -std=c++14)
if(BUILD_COVERAGE)
add_compile_options(-g -O0 -fprofile-arcs -ftest-coverage)
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
add_compile_options(/W3)
else()
message(FATAL_ERROR "Unknown compiler ${CMAKE_CXX_COMPILER_ID}")
endif()
# Outputs
if(BUILD_COVERAGE)
set(COVERAGE_LIBRARIES gcov)
endif()
set(DATADOG_LINK_LIBRARIES ${OPENTRACING_LIB} ${CURL_LIBRARIES} Threads::Threads ${COVERAGE_LIBRARIES})
## Shared lib
if(BUILD_SHARED)
add_library(dd_opentracing SHARED ${DD_OPENTRACING_SOURCES})
add_sanitizers(dd_opentracing)
if(BUILD_COVERAGE)
target_link_options(dd_opentracing PRIVATE -fprofile-arcs -ftest-coverage)
endif()
target_link_libraries(dd_opentracing ${DATADOG_LINK_LIBRARIES})
set_target_properties(dd_opentracing PROPERTIES SOVERSION ${SOVERSION})
target_compile_definitions(dd_opentracing PUBLIC DD_OPENTRACING_SHARED)
install(TARGETS dd_opentracing
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
## Static lib
if(BUILD_STATIC)
add_library(dd_opentracing-static STATIC ${DD_OPENTRACING_SOURCES})
add_sanitizers(dd_opentracing-static)
target_link_libraries(dd_opentracing-static ${DATADOG_LINK_LIBRARIES})
set_target_properties(dd_opentracing-static PROPERTIES OUTPUT_NAME dd_opentracing POSITION_INDEPENDENT_CODE ON)
target_compile_definitions(dd_opentracing-static PUBLIC DD_OPENTRACING_STATIC)
install(TARGETS dd_opentracing-static
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
## Object lib
if(BUILD_OBJECT)
add_library(dd_opentracing-object OBJECT ${DD_OPENTRACING_SOURCES})
add_sanitizers(dd_opentracing-object)
target_link_libraries(dd_opentracing-object ${CURL_LIBRARIES} Threads::Threads)
set_property(TARGET dd_opentracing-object PROPERTY POSITION_INDEPENDENT_CODE ON)
target_compile_definitions(dd_opentracing-object PUBLIC DD_OPENTRACING_OBJECT)
endif()
## Plugin
if(BUILD_PLUGIN)
if(CMAKE_SYSTEM_NAME MATCHES "Darwin" OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
message(FATAL_ERROR "Plugin cannot be built on Mac, and requires GCC")
endif()
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/export.map
"{ global: OpenTracingMakeTracerFactory; local: *; };")
add_library(dd_opentracing_plugin MODULE ${DD_OPENTRACING_SOURCES})
if(BUILD_COVERAGE)
target_link_options(dd_opentracing_plugin PRIVATE -fprofile-arcs -ftest-coverage)
endif()
target_link_libraries(dd_opentracing_plugin PUBLIC ${DATADOG_LINK_LIBRARIES}
-static-libstdc++
-static-libgcc
-Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/export.map)
install(TARGETS dd_opentracing_plugin
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
# Tests
include(CTest)
if(BUILD_TESTING)
add_subdirectory(test)
endif()
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