[externals] allow OpenSSL to be built

Signed-off-by: lizzie <lizzie@eden-emu.dev>

externals/openssl/CMakeLists.txt

@@ -0,0 +1,102 @@
+# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+if (YUZU_USE_BUNDLED_OPENSSL)
+    set(BUILD_SHARED_LIBS OFF)
+    AddJsonPackage(openssl-ci)
+    if (OpenSSL_ADDED)
+        add_compile_definitions(YUZU_BUNDLED_OPENSSL)
+    endif()
+    # openssl funniness
+    find_package(OpenSSL 3 COMPONENTS SSL Crypto REQUIRED)
+else()
+    message(STATUS "Using OpenSSL from externals")
+    AddJsonPackage(openssl)
+    set(OpenSSL_PREFIX ${OpenSSL_SOURCE_DIR})
+    set(OpenSSL_BUILD_DIR ${OpenSSL_BINARY_DIR})
+    set(OpenSSL_MAKEFILE ${OpenSSL_BUILD_DIR}/Makefile)
+    set(OpenSSL_BUILD_LIBRARIES "")
+    list(APPEND OpenSSL_BUILD_LIBRARIES
+        "${OpenSSL_BUILD_DIR}/libssl.a"
+        "${OpenSSL_BUILD_DIR}/libcrypto.a")
+
+    make_directory(${OpenSSL_BUILD_DIR})
+
+    # The ABSOLUTE best language, hands down, better than bash by a MILE
+    find_program(PERL_PROGRAM perl)
+    add_custom_command(
+        OUTPUT
+            ${OpenSSL_MAKEFILE}
+        COMMAND
+            ${PERL_PROGRAM} ${OpenSSL_PREFIX}/Configure
+                shared
+                no-makedepend
+                --release
+                threads
+                no-tests
+			    no-docs
+                enable-camellia
+                enable-ec
+                enable-ec2m
+                enable-sm2
+                enable-srp
+                enable-idea
+                enable-mdc2
+                enable-rc5
+                enable-rfc3779
+                enable-asm
+			    enable-quic
+                enable-fips
+        WORKING_DIRECTORY
+            ${OpenSSL_BUILD_DIR}
+    )
+
+    # Workaround for Ubuntu 18.04's older version of make not being able to call make as a child
+    # with context of the jobserver. Also helps ninja users.
+    execute_process(COMMAND nproc OUTPUT_VARIABLE SYSTEM_THREADS)
+    # BSD make or Solaris make don't support ffmpeg make-j8
+    set(OpenSSL_MAKE_ARGS "")
+    if (PLATFORM_LINUX OR ANDROID OR APPLE OR WIN32 OR PLATFORM_FREEBSD)
+        set(OpenSSL_MAKE_ARGS -j${SYSTEM_THREADS})
+    endif()
+
+    add_custom_command(
+        OUTPUT
+            ${OpenSSL_BUILD_LIBRARIES}
+        COMMAND
+            gmake ${OpenSSL_MAKE_ARGS}
+        WORKING_DIRECTORY
+            ${OpenSSL_BUILD_DIR}
+    )
+    add_custom_target(openssl-configure ALL DEPENDS ${OpenSSL_MAKEFILE})
+    add_custom_target(openssl-build ALL DEPENDS ${OpenSSL_BUILD_LIBRARIES} openssl-configure)
+
+    add_library(SSL INTERFACE)
+    target_include_directories(SSL INTERFACE ${OpenSSL_SOURCE_DIR}/include)
+    target_link_libraries(SSL INTERFACE openssl-build)
+
+    add_library(Crypto INTERFACE)
+    target_include_directories(Crypto INTERFACE ${OpenSSL_SOURCE_DIR}/include)
+    target_link_libraries(Crypto INTERFACE openssl-build)
+
+    add_library(OpenSSL::SSL ALIAS SSL)
+    add_library(OpenSSL::Crypto ALIAS Crypto)
+
+    # evil haxx for httplib https://cmake.org/cmake/help/latest/module/FindOpenSSL.html
+    # fuck httplib
+    set(OpenSSL_FOUND TRUE PARENT_SCOPE)
+    set(OpenSSL_VERSION "4.0.0" PARENT_SCOPE)
+    # Deprecated but some people run older cmake
+    set(OPENSSL_FOUND TRUE PARENT_SCOPE)
+    set(OPENSSL_VERSION "4.0.0" PARENT_SCOPE)
+
+    set(OPENSSL_INCLUDE_DIR ${OpenSSL_SOURCE_DIR}/include PARENT_SCOPE)
+    set(OPENSSL_CRYPTO_LIBRARY ${OpenSSL_BUILD_DIR}/libcrypto.a PARENT_SCOPE)
+    set(OPENSSL_CRYPTO_LIBRARIES ${OpenSSL_BUILD_DIR}/libcrypto.a PARENT_SCOPE)
+    set(OPENSSL_SSL_LIBRARY ${OpenSSL_BUILD_DIR}/libssl.a PARENT_SCOPE)
+    set(OPENSSL_SSL_LIBRARIES ${OpenSSL_BUILD_DIR}/libssl.a PARENT_SCOPE)
+    set(OPENSSL_LIBRARIES "${OpenSSL_BUILD_DIR}/libssl.a;${OpenSSL_BUILD_DIR}/libcrypto.a" PARENT_SCOPE)
+
+    set(OPENSSL_ROOT_DIR ${OpenSSL_BUILD_DIR} PARENT_SCOPE)
+    set(OPENSSL_USE_STATIC_LIBS TRUE PARENT_SCOPE)
+endif()