From fc6db97a09e2de5eff10131ddcab9cf8fb2f736c Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Tue, 3 Nov 2020 19:54:53 -0500
Subject: core: Remove usage of unicorn

Unicorn long-since lost most of its use, due to dynarmic gaining support
for handling most instructions. At this point any further issues
encountered should be used to make dynarmic better.

This also allows us to remove our dependency on Python.
---
 CMakeLists.txt | 77 ----------------------------------------------------------
 1 file changed, 77 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1bd9d2aa7..8fc2de042 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,8 +18,6 @@ CMAKE_DEPENDENT_OPTION(YUZU_USE_BUNDLED_QT "Download bundled Qt binaries" ON "EN
 
 option(ENABLE_WEB_SERVICE "Enable web services (telemetry, etc.)" ON)
 
-option(YUZU_USE_BUNDLED_UNICORN "Build/Download bundled Unicorn" ON)
-
 option(YUZU_USE_QT_WEB_ENGINE "Use QtWebEngine for web applet implementation" OFF)
 
 option(YUZU_ENABLE_BOXCAT "Enable the Boxcat service, a yuzu high-level implementation of BCAT" ON)
@@ -372,81 +370,6 @@ endif()
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 
-# If unicorn isn't found, msvc -> download bundled unicorn; everyone else -> build external
-if (YUZU_USE_BUNDLED_UNICORN)
-    if (MSVC)
-        message(STATUS "unicorn not found, falling back to bundled")
-        # Detect toolchain and platform
-        if ((MSVC_VERSION GREATER_EQUAL 1910 AND MSVC_VERSION LESS 1930) AND ARCHITECTURE_x86_64)
-            set(UNICORN_VER "unicorn-yuzu")
-        else()
-            message(FATAL_ERROR "No bundled Unicorn binaries for your toolchain. Disable YUZU_USE_BUNDLED_UNICORN and provide your own.")
-        endif()
-
-        if (DEFINED UNICORN_VER)
-            download_bundled_external("unicorn/" ${UNICORN_VER} UNICORN_PREFIX)
-        endif()
-
-        if (DEFINED UNICORN_VER)
-            download_bundled_external("unicorn/" ${UNICORN_VER} UNICORN_PREFIX)
-        endif()
-
-        set(UNICORN_FOUND YES)
-        set(LIBUNICORN_INCLUDE_DIR "${UNICORN_PREFIX}/include" CACHE PATH "Path to Unicorn headers" FORCE)
-        set(LIBUNICORN_LIBRARY "${UNICORN_PREFIX}/lib/x64/unicorn_dynload.lib" CACHE PATH "Path to Unicorn library" FORCE)
-        set(UNICORN_DLL_DIR "${UNICORN_PREFIX}/lib/x64/" CACHE PATH "Path to unicorn.dll" FORCE)
-    else()
-        message(STATUS "unicorn not found, falling back to externals")
-        if (MINGW)
-            set(UNICORN_LIB_NAME "unicorn.a")
-        else()
-            set(UNICORN_LIB_NAME "libunicorn.a")
-        endif()
-
-        set(UNICORN_FOUND YES)
-        set(UNICORN_PREFIX ${PROJECT_SOURCE_DIR}/externals/unicorn)
-        set(LIBUNICORN_LIBRARY "${UNICORN_PREFIX}/${UNICORN_LIB_NAME}" CACHE PATH "Path to Unicorn library" FORCE)
-        set(LIBUNICORN_INCLUDE_DIR "${UNICORN_PREFIX}/include" CACHE PATH "Path to Unicorn headers" FORCE)
-        set(UNICORN_DLL_DIR "${UNICORN_PREFIX}/" CACHE PATH "Path to unicorn dynamic library" FORCE)
-
-        find_package(PythonInterp 2.7 REQUIRED)
-
-        if (MINGW)
-            # Intentionally call the unicorn makefile directly instead of using make.sh so that we can override the
-            # UNAME_S makefile variable to MINGW. This way we don't have to hack at the uname binary to build
-            # Additionally, overriding DO_WINDOWS_EXPORT prevents unicorn from patching the static unicorn.a by using msvc and cmd,
-            # which are both things we don't have in a mingw cross compiling environment.
-            add_custom_command(OUTPUT ${LIBUNICORN_LIBRARY}
-                COMMAND ${CMAKE_COMMAND} -E env UNICORN_ARCHS="aarch64" PYTHON="${PYTHON_EXECUTABLE}" CC=x86_64-w64-mingw32-gcc AR=x86_64-w64-mingw32-gcc-ar RANLIB=x86_64-w64-mingw32-gcc-ranlib make UNAME_S=MINGW DO_WINDOWS_EXPORT=0
-                WORKING_DIRECTORY ${UNICORN_PREFIX}
-            )
-        else()
-            add_custom_command(OUTPUT ${LIBUNICORN_LIBRARY}
-                COMMAND ${CMAKE_COMMAND} -E env UNICORN_ARCHS="aarch64" PYTHON="${PYTHON_EXECUTABLE}" /bin/sh make.sh macos-universal-no
-                WORKING_DIRECTORY ${UNICORN_PREFIX}
-            )
-        endif()
-
-        # ALL makes this custom target build every time
-        # but it won't actually build if LIBUNICORN_LIBRARY is up to date
-        add_custom_target(unicorn-build ALL
-            DEPENDS ${LIBUNICORN_LIBRARY}
-        )
-        unset(UNICORN_LIB_NAME)
-    endif()
-else()
-    find_package(Unicorn REQUIRED)
-endif()
-
-if (UNICORN_FOUND)
-    add_library(unicorn INTERFACE)
-    add_dependencies(unicorn unicorn-build)
-    target_link_libraries(unicorn INTERFACE "${LIBUNICORN_LIBRARY}")
-    target_include_directories(unicorn INTERFACE "${LIBUNICORN_INCLUDE_DIR}")
-else()
-    message(FATAL_ERROR "Could not find or build unicorn which is required.")
-endif()
-
 # Platform-specific library requirements
 # ======================================
 
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