Try to fix iOS build.

irr/src/CMakeLists.txt

@@ -249,7 +249,7 @@ if(USE_SDL2)
 	if(NOT USE_SDL2_STATIC)
 		set(USE_SDL2_SHARED TRUE)
 	endif()
-	if(NOT ANDROID AND NOT CMAKE_SYSTEM_NAME STREQUAL "iOS")
+	if(NOT ANDROID)
 		find_package(SDL2 REQUIRED)
 	else()
 		# provided by AndroidLibs.cmake or from cmake call
@@ -630,11 +630,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "iOS")
 		"-framework CoreMotion"
 		"-framework IOSurface"
 		${OPENGLES2_LIBRARY}
-		${SDL2_LIBRARIES}
-	)
-else()
-	target_link_libraries(IrrlichtMt PRIVATE
-		"$<$<BOOL:${USE_SDL2}>:SDL2::SDL2>"
+		SDL2::SDL2main
 	)
 endif()
 

util/ci/build_ios.sh

@@ -12,8 +12,8 @@ cmake .. -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_DEPLOYMENT_TARGET=$osver -DCMAKE_FI
 					-DENABLE_OPENGL3=OFF \
 					-DENABLE_GLES2=ON \
 					-DUSE_SDL2=ON \
-					-DSDL2_LIBRARIES="${DEPS_DIR}/lib/libSDL2.a;${DEPS_DIR}/lib/libSDL2main.a" \
-					-DSDL2_INCLUDE_DIRS=${DEPS_DIR}/include/SDL2 \
+					-DUSE_SDL2_STATIC=ON \
+					-DSDL2_DIR=${DEPS_DIR}/lib/cmake/SDL2 \
 					-DOPENGLES2_LIBRARY=${DEPS_DIR}/lib/libGLESv2_static.a \
 					-DOPENGLES2_INCLUDE_DIR=${DEPS_DIR}/include/ANGLE \
 					-DCURL_LIBRARY=${DEPS_DIR}/lib/libcurl.a \