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192 lines
7.5 KiB
CMake
192 lines
7.5 KiB
CMake
#------------------------------------------------------------------------------------------------------------
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#
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# Automate-VCPKG by Andre Taulien
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# ===============================
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#
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# Project Repository: https://github.com/REGoth-project/Automate-VCPKG
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# License ..........: MIT, see end of file.
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#
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# Based on: https://github.com/sutambe/cpptruths/blob/vcpkg_cmake_blog/cpp0x/vcpkg_test/CMakeLists.txt
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#
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#
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# While [Vcpkg](https://github.com/microsoft/vcpkg) on it's own is awesome, it does add
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# a little bit of complexity to getting a project to build. Even more if the one trying
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# to compile your application is not too fond of the commandline. Additionally, CMake
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# commands tend to get rather long with the toolchain path.
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#
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# To keep things simple for new users who just want to get the project to build, this
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# script offers a solution.
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#
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# Lets assume your main `CMakelists.txt` looks something like this:
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#
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# cmake_minimum_required (VERSION 3.12.0)
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# project (MyProject)
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#
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# add_executable(MyExecutable main.c)
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#
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# To integrate Vcpkg into that `CMakelists.txt`, simple put the following lines before the
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# call to `project(MyProject)`:
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#
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# include(cmake/automate-vcpkg.cmake)
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#
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# vcpkg_bootstrap()
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# vcpkg_install_packages(libsquish physfs)
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#
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# The call to `vcpkg_bootstrap()` will clone the official Vcpkg repository and bootstrap it.
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# If it detected an existing environment variable defining a valid `VCPKG_ROOT`, it will
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# update the existing installation of Vcpkg.
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#
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# Arguments to `vcpkg_install_packages()` are the packages you want to install using Vcpkg.
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#
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# If you want to keep the possibility for users to chose their own copy of Vcpkg, you can
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# simply not run the code snippet mentioned above, something like this will work:
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#
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# option(SKIP_AUTOMATE_VCPKG "When ON, you will need to built the packages
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# required by MyProject on your own or supply your own vcpkg toolchain.")
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#
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# if (NOT SKIP_AUTOMATE_VCPKG)
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# include(cmake/automate-vcpkg.cmake)
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#
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# vcpkg_bootstrap()
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# vcpkg_install_packages(libsquish physfs)
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# endif()
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#
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# Then, the user has to supply the packages on their own, be it through Vcpkg or manually
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# specifying their locations.
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#------------------------------------------------------------------------------------------------------------
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cmake_minimum_required (VERSION 3.12)
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if(WIN32)
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set(VCPKG_FALLBACK_ROOT ${CMAKE_CURRENT_BINARY_DIR}/vcpkg CACHE STRING "vcpkg configuration directory to use if vcpkg was not installed on the system before")
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else()
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set(VCPKG_FALLBACK_ROOT ${CMAKE_CURRENT_BINARY_DIR}/.vcpkg CACHE STRING "vcpkg configuration directory to use if vcpkg was not installed on the system before")
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endif()
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# On Windows, Vcpkg defaults to x86, even on x64 systems. If we're
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# doing a 64-bit build, we need to fix that.
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if (WIN32)
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# Since the compiler checks haven't run yet, we need to figure
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# out the value of CMAKE_SIZEOF_VOID_P ourselfs
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include(CheckTypeSize)
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enable_language(C)
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check_type_size("void*" SIZEOF_VOID_P BUILTIN_TYPES_ONLY)
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if (SIZEOF_VOID_P EQUAL 8)
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message(STATUS "Using Vcpkg triplet 'x64-windows'")
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set(VCPKG_TRIPLET x64-windows)
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endif()
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endif()
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if(NOT DEFINED VCPKG_ROOT)
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if(NOT DEFINED ENV{VCPKG_ROOT})
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set(VCPKG_ROOT ${VCPKG_FALLBACK_ROOT})
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else()
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set(VCPKG_ROOT $ENV{VCPKG_ROOT})
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endif()
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endif()
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# Installs a new copy of Vcpkg or updates an existing one
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macro(vcpkg_bootstrap)
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_install_or_update_vcpkg()
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# Find out whether the user supplied their own VCPKG toolchain file
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if(NOT DEFINED ${CMAKE_TOOLCHAIN_FILE})
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# We know this wasn't set before so we need point the toolchain file to the newly found VCPKG_ROOT
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set(CMAKE_TOOLCHAIN_FILE ${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake CACHE STRING "")
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# Just setting vcpkg.cmake as toolchain file does not seem to actually pull in the code
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include(${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake)
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set(AUTOMATE_VCPKG_USE_SYSTEM_VCPKG OFF)
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else()
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# VCPKG_ROOT has been defined by the toolchain file already
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set(AUTOMATE_VCPKG_USE_SYSTEM_VCPKG ON)
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endif()
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message(STATUS "Automate VCPKG status:")
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message(STATUS " VCPKG_ROOT.....: ${VCPKG_ROOT}")
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message(STATUS " VCPKG_EXEC.....: ${VCPKG_EXEC}")
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message(STATUS " VCPKG_BOOTSTRAP: ${VCPKG_BOOTSTRAP}")
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endmacro()
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macro(_install_or_update_vcpkg)
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if(NOT EXISTS ${VCPKG_ROOT})
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message(STATUS "Cloning vcpkg in ${VCPKG_ROOT}")
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execute_process(COMMAND git clone https://github.com/Microsoft/vcpkg.git ${VCPKG_ROOT} --depth 1)
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# If a reproducible build is desired (and potentially old libraries are # ok), uncomment the
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# following line and pin the vcpkg repository to a specific githash.
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# execute_process(COMMAND git checkout 745a0aea597771a580d0b0f4886ea1e3a94dbca6 WORKING_DIRECTORY ${VCPKG_ROOT})
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else()
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# The following command has no effect if the vcpkg repository is in a detached head state.
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message(STATUS "Auto-updating vcpkg in ${VCPKG_ROOT}")
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execute_process(COMMAND git pull WORKING_DIRECTORY ${VCPKG_ROOT})
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endif()
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if(NOT EXISTS ${VCPKG_ROOT}/README.md)
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message(FATAL_ERROR "***** FATAL ERROR: Could not clone vcpkg *****")
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endif()
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if(WIN32)
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set(VCPKG_EXEC ${VCPKG_ROOT}/vcpkg.exe)
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set(VCPKG_BOOTSTRAP ${VCPKG_ROOT}/bootstrap-vcpkg.bat)
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else()
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set(VCPKG_EXEC ${VCPKG_ROOT}/vcpkg)
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set(VCPKG_BOOTSTRAP ${VCPKG_ROOT}/bootstrap-vcpkg.sh)
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endif()
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if(NOT EXISTS ${VCPKG_EXEC})
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message("Bootstrapping vcpkg in ${VCPKG_ROOT}")
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execute_process(COMMAND ${VCPKG_BOOTSTRAP} WORKING_DIRECTORY ${VCPKG_ROOT})
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endif()
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if(NOT EXISTS ${VCPKG_EXEC})
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message(FATAL_ERROR "***** FATAL ERROR: Could not bootstrap vcpkg *****")
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endif()
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endmacro()
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# Installs the list of packages given as parameters using Vcpkg
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macro(vcpkg_install_packages)
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# Need the given list to be space-separated
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#string (REPLACE ";" " " PACKAGES_LIST_STR "${ARGN}")
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message(STATUS "Installing/Updating the following vcpkg-packages: ${PACKAGES_LIST_STR}")
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if (VCPKG_TRIPLET)
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set(ENV{VCPKG_DEFAULT_TRIPLET} "${VCPKG_TRIPLET}")
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endif()
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execute_process(
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COMMAND ${VCPKG_EXEC} install ${ARGN}
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WORKING_DIRECTORY ${VCPKG_ROOT}
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)
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endmacro()
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# MIT License
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#
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# Copyright (c) 2019 REGoth-project
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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