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# Copyright 2023 Google LLC
#
# 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
#
# https://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.
cmake_minimum_required(VERSION 3.13)
project(cppdap VERSION 1.59.0 LANGUAGES CXX C)
include(GNUInstallDirs)
###########################################################
# Options
###########################################################
function (option_if_not_defined name description default)
if(NOT DEFINED ${name})
option(${name} ${description} ${default})
endif()
endfunction()
option_if_not_defined(CPPDAP_WARNINGS_AS_ERRORS "Treat warnings as errors" OFF)
option_if_not_defined(CPPDAP_BUILD_EXAMPLES "Build example applications" OFF)
option_if_not_defined(CPPDAP_BUILD_TESTS "Build tests" OFF)
option_if_not_defined(CPPDAP_BUILD_FUZZER "Build fuzzer" OFF)
option_if_not_defined(CPPDAP_ASAN "Build dap with address sanitizer" OFF)
option_if_not_defined(CPPDAP_MSAN "Build dap with memory sanitizer" OFF)
option_if_not_defined(CPPDAP_TSAN "Build dap with thread sanitizer" OFF)
option_if_not_defined(CPPDAP_INSTALL_VSCODE_EXAMPLES "Build and install dap examples into vscode extensions directory" OFF)
option_if_not_defined(CPPDAP_USE_EXTERNAL_NLOHMANN_JSON_PACKAGE "Use nlohmann_json with find_package() instead of building internal submodule" OFF)
option_if_not_defined(CPPDAP_USE_EXTERNAL_RAPIDJSON_PACKAGE "Use RapidJSON with find_package()" OFF)
option_if_not_defined(CPPDAP_USE_EXTERNAL_JSONCPP_PACKAGE "Use JsonCpp with find_package()" OFF)
###########################################################
# Directories
###########################################################
function (set_if_not_defined name value)
if(NOT DEFINED ${name})
set(${name} ${value} PARENT_SCOPE)
endif()
endfunction()
set(CPPDAP_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
set(CPPDAP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
set_if_not_defined(CPPDAP_THIRD_PARTY_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party)
set_if_not_defined(CPPDAP_JSON_DIR ${CPPDAP_THIRD_PARTY_DIR}/json)
set_if_not_defined(CPPDAP_GOOGLETEST_DIR ${CPPDAP_THIRD_PARTY_DIR}/googletest)
###########################################################
# JSON library
###########################################################
if(CPPDAP_USE_EXTERNAL_NLOHMANN_JSON_PACKAGE)
list(APPEND CPPDAP_EXTERNAL_JSON_PACKAGES "CPPDAP_USE_EXTERNAL_NLOHMANN_JSON_PACKAGE")
endif()
if(CPPDAP_USE_EXTERNAL_RAPIDJSON_PACKAGE)
list(APPEND CPPDAP_EXTERNAL_JSON_PACKAGES "CPPDAP_USE_EXTERNAL_RAPIDJSON_PACKAGE")
endif()
if(CPPDAP_USE_EXTERNAL_JSONCPP_PACKAGE)
list(APPEND CPPDAP_EXTERNAL_JSON_PACKAGES "CPPDAP_USE_EXTERNAL_JSONCPP_PACKAGE")
endif()
list(LENGTH CPPDAP_EXTERNAL_JSON_PACKAGES CPPDAP_EXTERNAL_JSON_PACKAGES_COUNT)
if(CPPDAP_EXTERNAL_JSON_PACKAGES_COUNT GREATER 1)
message(FATAL_ERROR "At most one of CPPDAP_USE_EXTERNAL_NLOHMANN_JSON_PACKAGE, \
CPPDAP_USE_EXTERNAL_RAPIDJSON_PACKAGE, and CPPDAP_USE_EXTERNAL_JSONCPP_PACKAGE can \
be set, but ${CPPDAP_EXTERNAL_JSON_PACKAGES} were all set.")
elseif(CPPDAP_USE_EXTERNAL_NLOHMANN_JSON_PACKAGE)
find_package(nlohmann_json CONFIG REQUIRED)
set(CPPDAP_JSON_LIBRARY "nlohmann")
elseif(CPPDAP_USE_EXTERNAL_RAPIDJSON_PACKAGE)
find_package(RapidJSON CONFIG REQUIRED)
set(CPPDAP_JSON_LIBRARY "rapid")
elseif(CPPDAP_USE_EXTERNAL_JSONCPP_PACKAGE)
find_package(jsoncpp CONFIG REQUIRED)
set(CPPDAP_JSON_LIBRARY "jsoncpp")
endif()
if(NOT DEFINED CPPDAP_JSON_LIBRARY)
# Attempt to detect JSON library from CPPDAP_JSON_DIR
if(NOT EXISTS "${CPPDAP_JSON_DIR}")
message(FATAL_ERROR "CPPDAP_JSON_DIR '${CPPDAP_JSON_DIR}' does not exist")
endif()
if(EXISTS "${CPPDAP_JSON_DIR}/include/nlohmann")
set(CPPDAP_JSON_LIBRARY "nlohmann")
elseif(EXISTS "${CPPDAP_JSON_DIR}/include/rapidjson")
set(CPPDAP_JSON_LIBRARY "rapid")
elseif(EXISTS "${CPPDAP_JSON_DIR}/include/json")
set(CPPDAP_JSON_LIBRARY "jsoncpp")
else()
message(FATAL_ERROR "Could not determine JSON library from ${CPPDAP_JSON_DIR}")
endif()
endif()
string(TOUPPER ${CPPDAP_JSON_LIBRARY} CPPDAP_JSON_LIBRARY_UPPER)
###########################################################
# File lists
###########################################################
set(CPPDAP_LIST
${CPPDAP_SRC_DIR}/content_stream.cpp
${CPPDAP_SRC_DIR}/io.cpp
${CPPDAP_SRC_DIR}/${CPPDAP_JSON_LIBRARY}_json_serializer.cpp
${CPPDAP_SRC_DIR}/network.cpp
${CPPDAP_SRC_DIR}/null_json_serializer.cpp
${CPPDAP_SRC_DIR}/protocol_events.cpp
${CPPDAP_SRC_DIR}/protocol_requests.cpp
${CPPDAP_SRC_DIR}/protocol_response.cpp
${CPPDAP_SRC_DIR}/protocol_types.cpp
${CPPDAP_SRC_DIR}/session.cpp
${CPPDAP_SRC_DIR}/socket.cpp
${CPPDAP_SRC_DIR}/typeinfo.cpp
${CPPDAP_SRC_DIR}/typeof.cpp
)
###########################################################
# OS libraries
###########################################################
if(CMAKE_SYSTEM_NAME MATCHES "Windows")
set(CPPDAP_OS_LIBS WS2_32)
set(CPPDAP_OS_EXE_EXT ".exe")
elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
set(CPPDAP_OS_LIBS pthread)
set(CPPDAP_OS_EXE_EXT "")
elseif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
set(CPPDAP_OS_LIBS)
set(CPPDAP_OS_EXE_EXT "")
elseif(CMAKE_SYSTEM_NAME STREQUAL "GNU")
set(CPPDAP_OS_LIBS pthread)
set(CPPDAP_OS_EXE_EXT "")
endif()
###########################################################
# Functions
###########################################################
function(cppdap_set_json_links target)
if (CPPDAP_USE_EXTERNAL_NLOHMANN_JSON_PACKAGE)
target_link_libraries(${target} PRIVATE "$<BUILD_INTERFACE:nlohmann_json::nlohmann_json>")
elseif(CPPDAP_USE_EXTERNAL_RAPIDJSON_PACKAGE)
target_link_libraries(${target} PRIVATE rapidjson)
elseif(CPPDAP_USE_EXTERNAL_JSONCPP_PACKAGE)
target_link_libraries(${target} PRIVATE JsonCpp::JsonCpp)
else()
target_include_directories(${target} PRIVATE "${CPPDAP_JSON_DIR}/include/")
endif()
endfunction(cppdap_set_json_links)
function(cppdap_set_target_options target)
# Enable all warnings
if(MSVC)
target_compile_options(${target} PRIVATE "-W4")
else()
target_compile_options(${target} PRIVATE "-Wall")
endif()
# Disable specific, pedantic warnings
if(MSVC)
target_compile_options(${target} PRIVATE
"-D_CRT_SECURE_NO_WARNINGS"
# Warnings from nlohmann/json headers.
"/wd4267" # 'argument': conversion from 'size_t' to 'int', possible loss of data
)
endif()
# Add define for JSON library in use
target_compile_definitions(${target}
PRIVATE "CPPDAP_JSON_${CPPDAP_JSON_LIBRARY_UPPER}=1"
)
# Treat all warnings as errors
if(CPPDAP_WARNINGS_AS_ERRORS)
if(MSVC)
target_compile_options(${target} PRIVATE "/WX")
else()
target_compile_options(${target} PRIVATE "-Werror")
endif()
endif(CPPDAP_WARNINGS_AS_ERRORS)
if(CPPDAP_ASAN)
target_compile_options(${target} PUBLIC "-fsanitize=address")
target_link_options(${target} PUBLIC "-fsanitize=address")
elseif(CPPDAP_MSAN)
target_compile_options(${target} PUBLIC "-fsanitize=memory")
target_link_options(${target} PUBLIC "-fsanitize=memory")
elseif(CPPDAP_TSAN)
target_compile_options(${target} PUBLIC "-fsanitize=thread")
target_link_options(${target} PUBLIC "-fsanitize=thread")
endif()
# Error on undefined symbols
# if(NOT MSVC)
# target_compile_options(${target} PRIVATE "-Wl,--no-undefined")
# endif()
target_include_directories(
"${target}"
PUBLIC
"$<BUILD_INTERFACE:${CPPDAP_INCLUDE_DIR}>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
)
cppdap_set_json_links(${target})
target_link_libraries(${target} PRIVATE ${CPPDAP_OS_LIBS})
endfunction(cppdap_set_target_options)
###########################################################
# Targets
###########################################################
# dap
add_library(cppdap STATIC ${CPPDAP_LIST})
set_target_properties(cppdap PROPERTIES POSITION_INDEPENDENT_CODE 1)
cppdap_set_target_options(cppdap)
target_link_libraries(cppdap PRIVATE atomic)
set(CPPDAP_TARGET_NAME ${PROJECT_NAME})
set(CPPDAP_CONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" CACHE INTERNAL "")
set(CPPDAP_INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
set(CPPDAP_TARGETS_EXPORT_NAME "${PROJECT_NAME}-targets")
set(CPPDAP_CMAKE_CONFIG_TEMPLATE "cmake/Config.cmake.in")
set(CPPDAP_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}")
set(CPPDAP_CMAKE_VERSION_CONFIG_FILE "${CPPDAP_CMAKE_CONFIG_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
set(CPPDAP_CMAKE_PROJECT_CONFIG_FILE "${CPPDAP_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Config.cmake")
set(CPPDAP_CMAKE_PROJECT_TARGETS_FILE "${CPPDAP_CMAKE_CONFIG_DIR}/${PROJECT_NAME}-targets.cmake")
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${CPPDAP_CMAKE_VERSION_CONFIG_FILE} COMPATIBILITY SameMinorVersion
)
configure_package_config_file(
${CPPDAP_CMAKE_CONFIG_TEMPLATE}
"${CPPDAP_CMAKE_PROJECT_CONFIG_FILE}"
INSTALL_DESTINATION ${CPPDAP_CONFIG_INSTALL_DIR}
)
install(
TARGETS "${CPPDAP_TARGET_NAME}"
EXPORT "${CPPDAP_TARGETS_EXPORT_NAME}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
INCLUDES DESTINATION "${CPPDAP_INCLUDE_INSTALL_DIR}"
)
install(
EXPORT "${CPPDAP_TARGETS_EXPORT_NAME}"
NAMESPACE "${CPPDAP_TARGET_NAME}::"
DESTINATION "${CPPDAP_CONFIG_INSTALL_DIR}"
)
install(
DIRECTORY
"include/dap"
DESTINATION "${CPPDAP_INCLUDE_INSTALL_DIR}"
)
install(FILES ${CPPDAP_CMAKE_VERSION_CONFIG_FILE} ${CPPDAP_CMAKE_PROJECT_CONFIG_FILE}
DESTINATION ${CPPDAP_CONFIG_INSTALL_DIR})
# tests
if(CPPDAP_BUILD_TESTS)
set(DAP_TEST_LIST
${CPPDAP_SRC_DIR}/any_test.cpp
${CPPDAP_SRC_DIR}/chan_test.cpp
${CPPDAP_SRC_DIR}/content_stream_test.cpp
${CPPDAP_SRC_DIR}/dap_test.cpp
${CPPDAP_SRC_DIR}/json_serializer_test.cpp
${CPPDAP_SRC_DIR}/network_test.cpp
${CPPDAP_SRC_DIR}/optional_test.cpp
${CPPDAP_SRC_DIR}/rwmutex_test.cpp
${CPPDAP_SRC_DIR}/session_test.cpp
${CPPDAP_SRC_DIR}/socket_test.cpp
${CPPDAP_SRC_DIR}/traits_test.cpp
${CPPDAP_SRC_DIR}/typeinfo_test.cpp
${CPPDAP_SRC_DIR}/variant_test.cpp
${CPPDAP_GOOGLETEST_DIR}/googletest/src/gtest-all.cc
)
set(DAP_TEST_INCLUDE_DIR
${CPPDAP_GOOGLETEST_DIR}/googlemock/include/
${CPPDAP_GOOGLETEST_DIR}/googletest/
${CPPDAP_GOOGLETEST_DIR}/googletest/include/
)
add_executable(cppdap-unittests ${DAP_TEST_LIST})
target_include_directories(cppdap-unittests PUBLIC ${DAP_TEST_INCLUDE_DIR} )
set_target_properties(cppdap-unittests PROPERTIES
FOLDER "Tests"
)
if(MSVC)
# googletest emits warning C4244: 'initializing': conversion from 'double' to 'testing::internal::BiggestInt', possible loss of data
target_compile_options(cppdap-unittests PRIVATE "/wd4244")
endif()
cppdap_set_target_options(cppdap-unittests)
target_link_libraries(cppdap-unittests PRIVATE cppdap)
endif(CPPDAP_BUILD_TESTS)
# fuzzer
if(CPPDAP_BUILD_FUZZER)
if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
message(FATAL_ERROR "CPPDAP_BUILD_FUZZER can currently only be used with the clang toolchain")
endif()
set(DAP_FUZZER_LIST
${CPPDAP_LIST}
${CMAKE_CURRENT_SOURCE_DIR}/fuzz/fuzz.cpp
)
add_executable(cppdap-fuzzer ${DAP_FUZZER_LIST})
if(CPPDAP_ASAN)
target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,address")
target_link_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,address")
elseif(CPPDAP_MSAN)
target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,memory")
target_link_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,memory")
elseif(CPPDAP_TSAN)
target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,thread")
target_link_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer,thread")
else()
target_compile_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer")
target_link_options(cppdap-fuzzer PUBLIC "-fsanitize=fuzzer")
endif()
target_include_directories(cppdap-fuzzer PUBLIC
${CPPDAP_INCLUDE_DIR}
${CPPDAP_SRC_DIR}
)
cppdap_set_json_links(cppdap-fuzzer)
target_link_libraries(cppdap-fuzzer PRIVATE cppdap "${CPPDAP_OS_LIBS}")
endif(CPPDAP_BUILD_FUZZER)
# examples
if(CPPDAP_BUILD_EXAMPLES)
function(build_example target)
add_executable(${target} "${CMAKE_CURRENT_SOURCE_DIR}/examples/${target}.cpp")
set_target_properties(${target} PROPERTIES
FOLDER "Examples"
)
cppdap_set_target_options(${target})
target_link_libraries(${target} PRIVATE cppdap)
if(CPPDAP_INSTALL_VSCODE_EXAMPLES)
if(CMAKE_SYSTEM_NAME MATCHES "Windows")
set(extroot "$ENV{USERPROFILE}\\.vscode\\extensions")
else()
set(extroot "$ENV{HOME}/.vscode/extensions")
endif()
if(EXISTS ${extroot})
set(extdir "${extroot}/google.cppdap-example-${target}-1.0.0")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/examples/vscode/package.json ${extdir}/package.json)
add_custom_command(TARGET ${target}
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${target}> ${extdir})
else()
message(WARNING "Could not install vscode example extension as '${extroot}' does not exist")
endif()
endif(CPPDAP_INSTALL_VSCODE_EXAMPLES)
endfunction(build_example)
build_example(hello_debugger)
build_example(simple_net_client_server)
endif(CPPDAP_BUILD_EXAMPLES)
|
