2023-03-23 19:20:44 +01:00
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#
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# D++ (DPP), The Lightweight C++ Discord Library
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#
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# Copyright 2021 Craig Edwards <support@brainbox.cc>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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cmake_minimum_required (VERSION 3.16)
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option(BUILD_SHARED_LIBS "Build shared libraries" ON)
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option(BUILD_VOICE_SUPPORT "Build voice support" ON)
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option(RUN_LDCONFIG "Run ldconfig after installation" ON)
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option(DPP_INSTALL "Generate the install target" ON)
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option(DPP_BUILD_TEST "Build the test program" ON)
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option(DPP_NO_VCPKG "No VCPKG" OFF)
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option(DPP_CORO "Experimental support for C++20 coroutines" OFF)
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option(DPP_USE_EXTERNAL_JSON "Use an external installation of nlohmann::json" OFF)
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include(CheckCXXSymbolExists)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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add_compile_definitions(DPP_BUILD)
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2023-08-05 20:31:33 +02:00
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set(DPP_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
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file(READ "${DPP_ROOT_PATH}/include/dpp/version.h" version_h)
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2023-03-23 19:20:44 +01:00
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if(NOT version_h MATCHES "DPP_VERSION_SHORT ([0-9][0-9])([0-9][0-9])([0-9][0-9])")
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message(FATAL_ERROR "Cannot get DPP_VERSION_SHORT from version.h")
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endif()
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math(EXPR DPP_VERSION_MAJOR "${CMAKE_MATCH_1}")
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math(EXPR DPP_VERSION_MINOR "${CMAKE_MATCH_2}")
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math(EXPR DPP_VERSION_PATCH "${CMAKE_MATCH_3}")
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string(CONCAT DPP_VERSION "${DPP_VERSION_MAJOR}.${DPP_VERSION_MINOR}.${DPP_VERSION_PATCH}")
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2023-08-05 20:31:33 +02:00
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set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${DPP_ROOT_PATH}/cmake/")
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2023-03-23 19:20:44 +01:00
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if (DPP_NO_VCPKG)
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message("-- INFO: Explicitly disabling VCPKG as running inside the CI action.")
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else()
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message("-- INFO: Using VCPKG if detected")
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endif()
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if (WIN32 AND NOT MINGW AND BUILD_SHARED_LIBS)
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message("-- INFO: Configuring .rc resource script")
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2023-08-05 20:31:33 +02:00
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configure_file("${DPP_ROOT_PATH}/src/dpp/dpp.rc.in" "${DPP_ROOT_PATH}/src/dpp/dpp.rc" NEWLINE_STYLE WIN32)
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2023-03-23 19:20:44 +01:00
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endif()
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if (NOT DPP_NO_VCPKG AND EXISTS "${_VCPKG_ROOT_DIR}")
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set(PROJECT_NAME "dpp")
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project(
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"${PROJECT_NAME}"
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VERSION "${DPP_VERSION}"
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LANGUAGES CXX
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HOMEPAGE_URL "https://dpp.dev/"
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DESCRIPTION "An incredibly lightweight C++ Discord library."
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)
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2023-08-05 20:31:33 +02:00
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add_subdirectory(library-vcpkg)
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2023-03-23 19:20:44 +01:00
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else()
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set(PROJECT_NAME "libdpp")
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project(
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"${PROJECT_NAME}"
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VERSION "${DPP_VERSION}"
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LANGUAGES CXX
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HOMEPAGE_URL "https://dpp.dev/"
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DESCRIPTION "An incredibly lightweight C++ Discord library."
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)
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add_subdirectory(library)
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endif()
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if(DPP_USE_EXTERNAL_JSON)
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# We do nothing here, we just assume it is on the include path.
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# nlohmann::json's cmake stuff does all kinds of weird, and is more hassle than it's worth.
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# This functionality is here mostly for package maintainers so if you enable it you should
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# know what you are doing.
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message("-- Using external nlohmann::json")
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target_compile_definitions(dpp PUBLIC DPP_USE_EXTERNAL_JSON)
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else()
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# Add the nlohmann single include to the include path. Note that nlohmann::json is kinda
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# fussy, this is an older version because trying to use v3.11.2 gave a bunch of parse errors
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# that made no sense, it seems they may have changed their parsing rules somehow.
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message("-- Using bundled nlohmann::json")
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endif()
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