[externals] allow OpenSSL to be built

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

CMakeLists.txt

@@ -66,6 +66,10 @@ if (YUZU_STATIC_ROOM)
     set(fmt_FORCE_BUNDLED ON)
 endif()
 
+if (YUZU_USE_EXTERNAL_OPENSSL)
+    set(httplib_FORCE_BUNDLED ON)
+endif()
+
 # qt stuff
 option(ENABLE_QT "Enable the Qt frontend" ON)
 option(ENABLE_QT_TRANSLATION "Enable translations for the Qt frontend" OFF)
@@ -207,6 +211,10 @@ endif()
 option(YUZU_USE_BUNDLED_FFMPEG "Download bundled FFmpeg" ${EXT_DEFAULT})
 cmake_dependent_option(YUZU_USE_EXTERNAL_FFMPEG "Build FFmpeg from external source" "${PLATFORM_SUN}" "NOT WIN32 AND NOT ANDROID" OFF)
 
+# openssl
+option(YUZU_USE_BUNDLED_OPENSSL "Download bundled OpenSSL" ON)
+option(YUZU_USE_EXTERNAL_OPENSSL "Build OpenSSL from external source" OFF)
+
 # sirit
 set(BUNDLED_SIRIT_DEFAULT OFF)
 if (MSVC AND NOT (CMAKE_BUILD_TYPE MATCHES "Deb") OR ANDROID)
@@ -378,17 +386,6 @@ find_package(Threads REQUIRED)
 
 find_package(RenderDoc MODULE)
 
-# openssl funniness
-if (YUZU_USE_BUNDLED_OPENSSL)
-    set(BUILD_SHARED_LIBS OFF)
-    AddJsonPackage(openssl)
-    if (OpenSSL_ADDED)
-        add_compile_definitions(YUZU_BUNDLED_OPENSSL)
-    endif()
-endif()
-
-find_package(OpenSSL 3 REQUIRED)
-
 message(STATUS "Fetching needed dependencies with CPM")
 
 set(BUILD_SHARED_LIBS OFF)
@@ -424,6 +421,9 @@ if (Boost_ADDED)
     endif()
 endif()
 
+# OpenSSL
+add_subdirectory(externals/openssl)
+
 # fmt
 AddJsonPackage(fmt)
 

cpmfile.json

@@ -1,5 +1,13 @@
 {
     "openssl": {
+        "package": "OpenSSL",
+        "name": "openssl",
+        "repo": "openssl/openssl",
+        "tag": "openssl-%VERSION%",
+        "version": "4.0.0",
+        "git_version": "4.0.0"
+    },
+    "openssl-ci": {
         "ci": true,
         "package": "OpenSSL",
         "name": "openssl",

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()

src/common/CMakeLists.txt

@@ -150,13 +150,13 @@ add_library(
     httplib.h
     net/net.h net/net.cpp)
 
+# httplib must be put first otherwise external-openssl builds won't work
+target_link_libraries(common PRIVATE httplib::httplib)
 if(WIN32)
     target_sources(common PRIVATE windows/timer_resolution.cpp
         windows/timer_resolution.h)
     target_link_libraries(common PRIVATE ntdll)
-endif()
+else()
-
-if(NOT WIN32)
     target_sources(common PRIVATE signal_chain.cpp signal_chain.h)
 endif()
 
@@ -239,7 +239,7 @@ else()
     target_link_libraries(common PUBLIC Boost::headers)
 endif()
 
-target_link_libraries(common PUBLIC Boost::filesystem Boost::context httplib::httplib nlohmann_json::nlohmann_json)
+target_link_libraries(common PUBLIC Boost::filesystem Boost::context nlohmann_json::nlohmann_json)
 
 if (lz4_ADDED)
     target_include_directories(common PRIVATE ${lz4_SOURCE_DIR}/lib)

src/video_core/CMakeLists.txt

@@ -331,9 +331,7 @@ endif()
 if (YUZU_USE_EXTERNAL_FFMPEG)
     add_dependencies(video_core ffmpeg-build)
 endif()
-
 target_include_directories(video_core PRIVATE ${FFmpeg_INCLUDE_DIR})
-
 target_link_libraries(video_core PRIVATE ${FFmpeg_LIBRARIES})
 target_link_options(video_core PRIVATE ${FFmpeg_LDFLAGS})
 

src/web_service/CMakeLists.txt

@@ -19,6 +19,4 @@ add_library(web_service STATIC
 create_target_directory_groups(web_service)
 target_include_directories(web_service PUBLIC ${cpp-jwt_SOURCE_DIR}/include)
 target_link_libraries(web_service PRIVATE common network nlohmann_json::nlohmann_json httplib::httplib cpp-jwt::cpp-jwt)
-
-find_package(OpenSSL REQUIRED)
 target_link_libraries(web_service PRIVATE OpenSSL::SSL OpenSSL::Crypto)