Use SDL iOS entry point

Author: aperezro

UnleashedRecomp/CMakeLists.txt

@@ -72,10 +72,15 @@ else()
     add_compile_options(-ffp-model=strict)
 endif()
 
-add_compile_definitions(
-    SDL_MAIN_HANDLED
-    _DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR # Microsoft wtf?
-    _CRT_SECURE_NO_WARNINGS)
+set(UNLEASHED_RECOMP_COMPILE_DEFINITIONS
+    _DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR # Microsoft wtf?
+    _CRT_SECURE_NO_WARNINGS)
+
+if (NOT CMAKE_SYSTEM_NAME STREQUAL "iOS")
+    list(APPEND UNLEASHED_RECOMP_COMPILE_DEFINITIONS SDL_MAIN_HANDLED)
+endif()
+
+add_compile_definitions(${UNLEASHED_RECOMP_COMPILE_DEFINITIONS})
 
 set(UNLEASHED_RECOMP_PRECOMPILED_HEADERS
     "stdafx.h"
@@ -422,15 +427,20 @@ if (WIN32)
     )
 endif()
 
-target_link_libraries(UnleashedRecomp PRIVATE
-    fmt::fmt
-    libzstd_static
-    msdf-atlas-gen::msdf-atlas-gen
+set(UNLEASHED_RECOMP_SDL_LIBS SDL2::SDL2-static)
+if (CMAKE_SYSTEM_NAME STREQUAL "iOS" AND TARGET SDL2::SDL2main)
+    list(PREPEND UNLEASHED_RECOMP_SDL_LIBS SDL2::SDL2main)
+endif()
+
+target_link_libraries(UnleashedRecomp PRIVATE
+    fmt::fmt
+    libzstd_static
+    msdf-atlas-gen::msdf-atlas-gen
     nfd::nfd
-    o1heap
-    XenonUtils
-    SDL2::SDL2-static
-    SDL2_mixer
+    o1heap
+    XenonUtils
+    ${UNLEASHED_RECOMP_SDL_LIBS}
+    SDL2_mixer
     tomlplusplus::tomlplusplus
     UnleashedRecompLib
     xxHash::xxhash