From 3efae5bff73be9dfc75c3bcd5c98ea26408f1b97 Mon Sep 17 00:00:00 2001
From: adam-bloom <adamb529@gmail.com>
Date: Sun, 12 Sep 2021 17:33:01 -0600
Subject: [PATCH] minor changes and point at alpha dependencies

---
 CMakeLists.txt                 | 56 +++++++++++++++++++++++++---------
 src/openrct2-ui/CMakeLists.txt | 14 +++++++--
 2 files changed, 53 insertions(+), 17 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 90b62508cc..ee40b371fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,12 +20,27 @@ if (CCache_FOUND)
 endif (CCache_FOUND)
 
 if (APPLE)
-    set(CMAKE_OSX_ARCHITECTURES "x86_64")
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14")
-endif ()
+    execute_process(COMMAND /usr/bin/uname -m OUTPUT_VARIABLE SYSTEM_MACOS_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (NOT DEFINED ARCH)
+        set(ARCH "${SYSTEM_MACOS_ARCH}")
+    endif ()
 
+    set(CMAKE_OSX_ARCHITECTURES "${ARCH}" CACHE STRING "")
+
+    if("${ARCH}" MATCHES "^x86_64")
+        set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14" CACHE STRING "")
+    elseif("${ARCH}" MATCHES "^arm64")
+        set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0" CACHE STRING "")
+    else()
+        message("Unknown macOS architecture: ${ARCH}. Behavior may be unexpected.")
+    endif()
+endif ()
 project(openrct2 CXX)
 
+if (APPLE)
+    set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_OSX_ARCHITECTURES}" CACHE STRING "")
+endif ()
+
 include(cmake/platform.cmake)
 include(CMakeDependentOption)
 
@@ -110,11 +125,16 @@ if (MACOS_USE_DEPENDENCIES)
     # if we're building on macOS, then we need the dependencies
     include(cmake/download.cmake)
     
-    set(MACOS_DYLIBS_VERSION "28")
-    set(MACOS_DYLIBS_ZIPFILE "openrct2-libs-v${MACOS_DYLIBS_VERSION}-x64-macos-dylibs.zip")
-    set(MACOS_DYLIBS_SHA1 "29e5480376cf4ac5943f114387e32685204c8b78")
+    # TODO - change back before merging
+    # set(MACOS_DYLIBS_VERSION "28")
+    # set(MACOS_DYLIBS_ZIPFILE "openrct2-libs-v${MACOS_DYLIBS_VERSION}-x64-macos-dylibs.zip")
+    # set(MACOS_DYLIBS_SHA1 "29e5480376cf4ac5943f114387e32685204c8b78")
+    set(MACOS_DYLIBS_VERSION "29-alpha2")
+    set(MACOS_DYLIBS_ZIPFILE "openrct2-libs-v${MACOS_DYLIBS_VERSION}-universal-macos-dylibs.zip")
+    set(MACOS_DYLIBS_SHA1 "bb8899c4120f1add232af7f9ac774ea622e01ad3")
     set(MACOS_DYLIBS_DIR "${ROOT_DIR}/lib/macos")
-    set(MACOS_DYLIBS_URL "https://github.com/OpenRCT2/Dependencies/releases/download/v${MACOS_DYLIBS_VERSION}/${MACOS_DYLIBS_ZIPFILE}")
+    # set(MACOS_DYLIBS_URL "https://github.com/OpenRCT2/Dependencies/releases/download/v${MACOS_DYLIBS_VERSION}/${MACOS_DYLIBS_ZIPFILE}")
+    set(MACOS_DYLIBS_URL "https://github.com/adam-bloom/Dependencies/releases/download/v${MACOS_DYLIBS_VERSION}/${MACOS_DYLIBS_ZIPFILE}")
 
     download_openrct2_zip(
         ZIP_VERSION ${MACOS_DYLIBS_VERSION}
@@ -209,6 +229,10 @@ if (NOT DISABLE_DISCORD_RPC)
     endif()
 endif()
 
+# ensure X86 and X86_64 are always initialized
+# may be overwritten below
+set(X86 0)
+set(X86_64 0)
 # Copied from https://github.com/opencv/opencv/blob/dcdd6af5a856826fe62c95322145731e702e54c5/cmake/OpenCVDetectCXXCompiler.cmake#L63-L70
 if(MSVC64 OR MINGW64)
     set(X86_64 1)
@@ -368,14 +392,16 @@ endif ()
 
 
 # g2
-add_custom_command(
-    OUTPUT g2.dat
-    COMMAND ./openrct2-cli sprite build \"${CMAKE_BINARY_DIR}/g2.dat\" \"${ROOT_DIR}/resources/g2/sprites.json\"
-    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-)
-add_custom_target(g2 DEPENDS ${PROJECT_NAME} g2.dat)
-
-project(openrct2 CXX)
+if (NOT (MACOS_BUNDLE AND (NOT CMAKE_OSX_ARCHITECTURES MATCHES "${SYSTEM_MACOS_ARCH}")))
+    add_custom_command(
+        OUTPUT g2.dat
+        COMMAND ./openrct2-cli sprite build \"${CMAKE_BINARY_DIR}/g2.dat\" \"${ROOT_DIR}/resources/g2/sprites.json\"
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+    )
+    add_custom_target(g2 DEPENDS ${PROJECT_NAME} g2.dat)
+else ()
+    message("Skipping g2.dat generation in macOS cross-compile")
+endif ()
 
 # Include tests
 if (WITH_TESTS)
diff --git a/src/openrct2-ui/CMakeLists.txt b/src/openrct2-ui/CMakeLists.txt
index ce14758338..953652bb98 100644
--- a/src/openrct2-ui/CMakeLists.txt
+++ b/src/openrct2-ui/CMakeLists.txt
@@ -35,6 +35,11 @@ file(GLOB_RECURSE OPENRCT2_UI_HEADERS
 if (APPLE)
     file(GLOB_RECURSE OPENRCT2_UI_MM_SOURCES "${CMAKE_CURRENT_LIST_DIR}/*.mm")
     set_source_files_properties(${OPENRCT2_UI_MM_SOURCES} PROPERTIES COMPILE_FLAGS "-x objective-c++ -fmodules")
+    if ("${CMAKE_OSX_ARCHITECTURES}" MATCHES "arm64")
+        # cross-compilation workaround for SDL2
+        set(SDL_DISABLE_IMMINTRIN_H "-DSDL_DISABLE_IMMINTRIN_H")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SDL_DISABLE_IMMINTRIN_H}")
+    endif ()
 endif ()
 
 # Outputs
@@ -141,7 +146,6 @@ if(MACOS_BUNDLE)
     target_sources(${PROJECT_NAME}
         PUBLIC ${ROOT_DIR}/distribution/readme.txt
         PUBLIC ${ROOT_DIR}/distribution/changelog.txt
-        PUBLIC ${CMAKE_BINARY_DIR}/g2.dat
         PUBLIC ${ROOT_DIR}/resources/mac/openrct2.icns
         )
 
@@ -149,10 +153,16 @@ if(MACOS_BUNDLE)
     set(BUNDLE_RESOURCES
         ${ROOT_DIR}/distribution/readme.txt
         ${ROOT_DIR}/distribution/changelog.txt
-        ${CMAKE_BINARY_DIR}/g2.dat
         ${ROOT_DIR}/resources/mac/openrct2.icns
         )
 
+    if (CMAKE_OSX_ARCHITECTURES MATCHES "${SYSTEM_MACOS_ARCH}")
+        target_sources(${PROJECT_NAME}
+        PUBLIC ${CMAKE_BINARY_DIR}/g2.dat
+        )
+        list(APPEND BUNDLE_RESOURCES ${CMAKE_BINARY_DIR}/g2.dat)
+    endif()
+
 
     if(${OPENRCT2_BRANCH} EQUAL master)
         set(MACOSX_BUNDLE_SHORT_VERSION_STRING "${OPENRCT2_VERSION_TAG}")