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# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
# SPDX-License-Identifier: GPL-3.0-or-later
# Created-By: crueter
# Docs will come at a later date, mostly this is to just reduce boilerplate
# and some cmake magic to allow for runtime viewing of dependency versions
include(CMakeDependentOption)
if (MSVC OR ANDROID)
set(SYSTEM_DEFAULT OFF)
else()
set(SYSTEM_DEFAULT ON)
endif()
CMAKE_DEPENDENT_OPTION(CPMUTIL_DEFAULT_SYSTEM
"Allow usage of system packages for CPM dependencies" ${SYSTEM_DEFAULT}
"NOT ANDROID" OFF)
cmake_minimum_required(VERSION 3.22)
include(CPM)
function(cpm_utils_message level name message)
message(${level} "[CPMUtil] ${name}: ${message}")
endfunction()
function(AddPackage)
cpm_set_policies()
# TODO(crueter): docs, git clone
#[[
URL configurations, descending order of precedence:
- URL [+ GIT_URL] -> bare URL fetch
- REPO + TAG + ARTIFACT -> github release artifact
- REPO + TAG -> github release archive
- REPO + SHA -> github commit archive
- REPO + BRANCH -> github branch
Hash configurations, descending order of precedence:
- HASH -> bare sha512sum
- HASH_SUFFIX -> hash grabbed from the URL + this suffix
- HASH_URL -> hash grabbed from a URL
* technically this is unsafe since a hacker can attack that url
NOTE: hash algo defaults to sha512
#]]
set(oneValueArgs
NAME
VERSION
GIT_VERSION
REPO
TAG
ARTIFACT
SHA
BRANCH
HASH
HASH_SUFFIX
HASH_URL
HASH_ALGO
URL
GIT_URL
KEY
DOWNLOAD_ONLY
FIND_PACKAGE_ARGUMENTS
SYSTEM_PACKAGE
BUNDLED_PACKAGE
)
set(multiValueArgs OPTIONS PATCHES)
cmake_parse_arguments(PKG_ARGS "" "${oneValueArgs}" "${multiValueArgs}"
"${ARGN}")
if (NOT DEFINED PKG_ARGS_NAME)
cpm_utils_message(FATAL_ERROR "package" "No package name defined")
endif()
if (DEFINED PKG_ARGS_URL)
set(pkg_url ${PKG_ARGS_URL})
if (DEFINED PKG_ARGS_REPO)
set(pkg_git_url https://github.com/${PKG_ARGS_REPO})
else()
if (DEFINED PKG_ARGS_GIT_URL)
set(pkg_git_url ${PKG_ARGS_GIT_URL})
else()
set(pkg_git_url ${pkg_url})
endif()
endif()
elseif (DEFINED PKG_ARGS_REPO)
set(pkg_git_url https://github.com/${PKG_ARGS_REPO})
if (DEFINED PKG_ARGS_TAG)
set(pkg_key ${PKG_ARGS_TAG})
if(DEFINED PKG_ARGS_ARTIFACT)
set(pkg_url
${pkg_git_url}/releases/download/${PKG_ARGS_TAG}/${PKG_ARGS_ARTIFACT})
else()
set(pkg_url
${pkg_git_url}/archive/refs/tags/${PKG_ARGS_TAG}.tar.gz)
endif()
elseif (DEFINED PKG_ARGS_SHA)
set(pkg_url "${pkg_git_url}/archive/${PKG_ARGS_SHA}.zip")
else()
if (DEFINED PKG_ARGS_BRANCH)
set(PKG_BRANCH ${PKG_ARGS_BRANCH})
else()
cpm_utils_message(WARNING ${PKG_ARGS_NAME}
"REPO defined but no TAG, SHA, BRANCH, or URL specified, defaulting to master")
set(PKG_BRANCH master)
endif()
set(pkg_url ${pkg_git_url}/archive/refs/heads/${PKG_BRANCH}.zip)
endif()
else()
cpm_utils_message(FATAL_ERROR ${PKG_ARGS_NAME} "No URL or repository defined")
endif()
cpm_utils_message(STATUS ${PKG_ARGS_NAME} "Download URL is ${pkg_url}")
if (DEFINED PKG_ARGS_GIT_VERSION)
set(git_version ${PKG_ARGS_VERSION})
elseif(DEFINED PKG_ARGS_VERSION)
set(git_version ${PKG_ARGS_GIT_VERSION})
endif()
if (NOT DEFINED PKG_ARGS_KEY)
if (DEFINED PKG_ARGS_SHA)
string(SUBSTRING ${PKG_ARGS_SHA} 0 4 pkg_key)
cpm_utils_message(DEBUG ${PKG_ARGS_NAME}
"No custom key defined, using ${pkg_key} from sha")
elseif (DEFINED git_version)
set(pkg_key ${git_version})
cpm_utils_message(DEBUG ${PKG_ARGS_NAME}
"No custom key defined, using ${pkg_key}")
elseif (DEFINED PKG_ARGS_TAG)
set(pkg_key ${PKG_ARGS_TAG})
cpm_utils_message(DEBUG ${PKG_ARGS_NAME}
"No custom key defined, using ${pkg_key}")
else()
cpm_utils_message(WARNING ${PKG_ARGS_NAME}
"Could not determine cache key, using CPM defaults")
endif()
else()
set(pkg_key ${PKG_ARGS_KEY})
endif()
if (DEFINED PKG_ARGS_HASH_ALGO)
set(hash_algo ${PKG_ARGS_HASH_ALGO})
else()
set(hash_algo SHA512)
endif()
if (DEFINED PKG_ARGS_HASH)
set(pkg_hash "${hash_algo}=${PKG_ARGS_HASH}")
elseif (DEFINED PKG_ARGS_HASH_SUFFIX)
# funny sanity check
string(TOLOWER ${hash_algo} hash_algo_lower)
string(TOLOWER ${PKG_ARGS_HASH_SUFFIX} suffix_lower)
if (NOT ${suffix_lower} MATCHES ${hash_algo_lower})
cpm_utils_message(WARNING
"Hash algorithm and hash suffix do not match, errors may occur")
endif()
set(hash_url ${pkg_url}.${PKG_ARGS_HASH_SUFFIX})
elseif (DEFINED PKG_ARGS_HASH_URL)
set(hash_url ${PKG_ARGS_HASH_URL})
else()
cpm_utils_message(WARNING ${PKG_ARGS_NAME}
"No hash or hash URL found")
endif()
if (DEFINED hash_url)
set(outfile ${CMAKE_CURRENT_BINARY_DIR}/${PKG_ARGS_NAME}.hash)
file(DOWNLOAD ${hash_url} ${outfile})
file(READ ${outfile} pkg_hash_tmp)
file(REMOVE ${outfile})
set(pkg_hash "${hash_algo}=${pkg_hash_tmp}")
endif()
if (NOT CPMUTIL_DEFAULT_SYSTEM)
set(CPM_USE_LOCAL_PACKAGES OFF)
elseif (DEFINED PKG_ARGS_SYSTEM_PACKAGE)
set(CPM_USE_LOCAL_PACKAGES ${PKG_ARGS_SYSTEM_PACKAGE})
elseif (DEFINED PKG_ARGS_BUNDLED_PACKAGE)
if (PKG_ARGS_BUNDLED_PACKAGE)
set(CPM_USE_LOCAL_PACKAGES OFF)
else()
set(CPM_USE_LOCAL_PACKAGES ON)
endif()
else()
set(CPM_USE_LOCAL_PACKAGES ON)
endif()
CPMAddPackage(
NAME ${PKG_ARGS_NAME}
VERSION ${PKG_ARGS_VERSION}
URL ${pkg_url}
URL_HASH ${pkg_hash}
CUSTOM_CACHE_KEY ${pkg_key}
DOWNLOAD_ONLY ${PKG_ARGS_DOWNLOAD_ONLY}
FIND_PACKAGE_ARGUMENTS ${PKG_ARGS_FIND_PACKAGE_ARGUMENTS}
OPTIONS ${PKG_ARGS_OPTIONS}
PATCHES ${PKG_ARGS_PATCHES}
${PKG_ARGS_UNPARSED_ARGUMENTS}
)
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_NAMES ${PKG_ARGS_NAME})
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_URLS ${pkg_git_url})
if (${PKG_ARGS_NAME}_ADDED)
if (DEFINED PKG_ARGS_SHA)
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_SHAS
${PKG_ARGS_SHA})
elseif(DEFINED git_version)
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_SHAS
${git_version})
elseif (DEFINED PKG_ARGS_TAG)
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_SHAS
${PKG_ARGS_TAG})
else()
cpm_utils_message(WARNING ${PKG_ARGS_NAME}
"Package has no specified sha, tag, or version")
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_SHAS "unknown")
endif()
else()
if (DEFINED CPM_PACKAGE_${PKG_ARGS_NAME}_VERSION AND NOT
"${CPM_PACKAGE_${PKG_ARGS_NAME}_VERSION}" STREQUAL "")
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_SHAS
"${CPM_PACKAGE_${PKG_ARGS_NAME}_VERSION} (system)")
else()
set_property(GLOBAL APPEND PROPERTY CPM_PACKAGE_SHAS
"unknown (system)")
endif()
endif()
# pass stuff to parent scope
set(${PKG_ARGS_NAME}_ADDED "${${PKG_ARGS_NAME}_ADDED}"
PARENT_SCOPE)
set(${PKG_ARGS_NAME}_SOURCE_DIR "${${PKG_ARGS_NAME}_SOURCE_DIR}"
PARENT_SCOPE)
set(${PKG_ARGS_NAME}_BINARY_DIR "${${PKG_ARGS_NAME}_BINARY_DIR}"
PARENT_SCOPE)
endfunction()
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