android: support Google Play 16 kiB page size requirement

Manual backport of 6fd9f47

Author: madebr

Android.mk

@@ -13,4 +13,8 @@ LOCAL_SHARED_LIBRARIES := SDL2
 
 LOCAL_EXPORT_C_INCLUDES += $(LOCAL_PATH)/include
 
+# https://developer.android.com/guide/practices/page-sizes
+LOCAL_LDFLAGS += "-Wl,-z,max-page-size=16384"
+LOCAL_LDFLAGS += "-Wl,-z,common-page-size=16384"
+
 include $(BUILD_SHARED_LIBRARY)

CMakeLists.txt

@@ -85,6 +85,7 @@ add_library(SDL2_net
 )
 
 add_library(SDL2_net::${sdl2_net_export_name} ALIAS SDL2_net)
+sdl_add_platform_link_options(SDL2_net)
 target_include_directories(SDL2_net
   PRIVATE
     "${CMAKE_CURRENT_LIST_DIR}/src"
@@ -291,14 +292,17 @@ if(SDL2NET_SAMPLES)
     add_executable(showinterfaces examples/showinterfaces.c)
     target_compile_definitions(showinterfaces PRIVATE SDL_MAIN_HANDLED)
     target_link_libraries(showinterfaces PRIVATE SDL2_net::${sdl2_net_export_name} ${sdl2_target_name})
+    sdl_add_platform_link_options(showinterfaces)
 
     add_executable(chat examples/chat.c examples/chat.h)
     if(TARGET SDL2::SDL2main)
         target_link_libraries(chat PRIVATE SDL2::SDL2main)
     endif()
     target_link_libraries(chat PRIVATE SDL2_net::${sdl2_net_export_name} SDL2::SDL2test ${sdl2_target_name})
+    sdl_add_platform_link_options(chat)
 
     add_executable(chatd examples/chatd.c examples/chat.h)
     target_compile_definitions(chatd PRIVATE SDL_MAIN_HANDLED)
     target_link_libraries(chatd PRIVATE SDL2_net::${sdl2_net_export_name} ${sdl2_target_name})
+    sdl_add_platform_link_options(chatd)
 endif()

cmake/PrivateSdlFunctions.cmake

@@ -287,3 +287,10 @@ function(sdl_target_link_options_no_undefined TARGET)
         endif()
     endif()
 endfunction()
+
+function(sdl_add_platform_link_options TARGET)
+    if(ANDROID)
+        target_link_options(${TARGET} PRIVATE "-Wl,-z,max-page-size=16384")
+        target_link_options(${TARGET} PRIVATE "-Wl,-z,common-page-size=16384")
+    endif()
+endfunction()