7 files changed, 312 insertions, 0 deletions

diff --git a/src/contrib/SDL-2.30.2/cmake/test/CMakeLists.txt b/src/contrib/SDL-2.30.2/cmake/test/CMakeLists.txt
new file mode 100644
index 0000000..388e86c
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/CMakeLists.txt
@@ -0,0 +1,124 @@
+# This cmake build script is meant for verifying the various CMake configuration script.
+
+cmake_minimum_required(VERSION 3.12)
+project(sdl_test LANGUAGES C)
+
+include(GenerateExportHeader)
+
+if(ANDROID)
+    macro(add_executable NAME)
+        set(args ${ARGN})
+        list(REMOVE_ITEM args WIN32)
+        add_library(${NAME} SHARED ${args})
+        unset(args)
+    endmacro()
+endif()
+
+cmake_policy(SET CMP0074 NEW)
+
+# Override CMAKE_FIND_ROOT_PATH_MODE to allow search for SDL2 outside of sysroot
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)
+
+include(FeatureSummary)
+
+option(TEST_SHARED "Test linking to shared SDL2 library" ON)
+add_feature_info("TEST_SHARED" TEST_SHARED "Test linking with shared library")
+
+option(TEST_STATIC "Test linking to static SDL2 library" ON)
+add_feature_info("TEST_STATIC" TEST_STATIC "Test linking with static library")
+
+if(TEST_SHARED)
+    find_package(SDL2 REQUIRED CONFIG COMPONENTS SDL2)
+    if(EMSCRIPTEN OR (WIN32 AND NOT WINDOWS_STORE))
+        find_package(SDL2 REQUIRED CONFIG COMPONENTS SDL2main)
+    endif()
+    add_executable(gui-shared WIN32 main_gui.c)
+    if(TARGET SDL2::SDL2main)
+        target_link_libraries(gui-shared PRIVATE SDL2::SDL2main)
+    endif()
+    target_link_libraries(gui-shared PRIVATE SDL2::SDL2)
+    if(WIN32)
+        add_custom_command(TARGET gui-shared POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:SDL2::SDL2>" "$<TARGET_FILE_DIR:gui-shared>"
+        )
+    endif()
+
+    add_library(sharedlib-shared SHARED main_lib.c)
+    target_link_libraries(sharedlib-shared PRIVATE SDL2::SDL2)
+    generate_export_header(sharedlib-shared EXPORT_MACRO_NAME MYLIBRARY_EXPORT)
+    target_compile_definitions(sharedlib-shared PRIVATE "EXPORT_HEADER=\"${CMAKE_CURRENT_BINARY_DIR}/sharedlib-shared_export.h\"")
+    set_target_properties(sharedlib-shared PROPERTIES C_VISIBILITY_PRESET "hidden")
+
+    add_executable(gui-shared-vars WIN32 main_gui.c)
+    target_link_libraries(gui-shared-vars PRIVATE ${SDL2_LIBRARIES})
+    target_include_directories(gui-shared-vars PRIVATE ${SDL2_INCLUDE_DIRS})
+
+    add_executable(cli-shared main_cli.c)
+    target_link_libraries(cli-shared PRIVATE SDL2::SDL2)
+    if(WIN32)
+        add_custom_command(TARGET cli-shared POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:SDL2::SDL2>" "$<TARGET_FILE_DIR:cli-shared>"
+        )
+    endif()
+
+    # SDL2_LIBRARIES does not support creating a cli SDL2 application
+    # (it is possible that SDL2main is a stub, but we don't know for sure)
+    if(NOT TARGET SDL2::SDL2main)
+        add_executable(cli-shared-vars main_cli.c)
+        target_link_libraries(cli-shared-vars PRIVATE ${SDL2_LIBRARIES})
+        target_include_directories(cli-shared-vars PRIVATE ${SDL2_INCLUDE_DIRS})
+    endif()
+
+    add_library(sharedlib-shared-vars SHARED main_lib.c)
+    target_link_libraries(sharedlib-shared-vars PRIVATE ${SDL2_LIBRARIES})
+    target_include_directories(sharedlib-shared-vars PRIVATE ${SDL2_INCLUDE_DIRS})
+    generate_export_header(sharedlib-shared-vars EXPORT_MACRO_NAME MYLIBRARY_EXPORT)
+    target_compile_definitions(sharedlib-shared-vars PRIVATE "EXPORT_HEADER=\"${CMAKE_CURRENT_BINARY_DIR}/sharedlib-shared-vars_export.h\"")
+    set_target_properties(sharedlib-shared-vars PROPERTIES C_VISIBILITY_PRESET "hidden")
+endif()
+
+if(TEST_STATIC)
+    find_package(SDL2 REQUIRED CONFIG COMPONENTS SDL2-static)
+    if(EMSCRIPTEN OR (WIN32 AND NOT WINDOWS_STORE))
+        find_package(SDL2 REQUIRED CONFIG COMPONENTS SDL2main)
+    endif()
+    add_executable(gui-static WIN32 main_gui.c)
+    if(TARGET SDL2::SDL2main)
+        target_link_libraries(gui-static PRIVATE SDL2::SDL2main)
+    endif()
+    target_link_libraries(gui-static PRIVATE SDL2::SDL2-static)
+
+    option(SDL_STATIC_PIC "SDL static library has been built with PIC")
+    if(SDL_STATIC_PIC OR WIN32)
+        add_library(sharedlib-static SHARED main_lib.c)
+        target_link_libraries(sharedlib-static PRIVATE SDL2::SDL2-static)
+        generate_export_header(sharedlib-static EXPORT_MACRO_NAME MYLIBRARY_EXPORT)
+        target_compile_definitions(sharedlib-static PRIVATE "EXPORT_HEADER=\"${CMAKE_CURRENT_BINARY_DIR}/sharedlib-static_export.h\"")
+        set_target_properties(sharedlib-static PROPERTIES C_VISIBILITY_PRESET "hidden")
+    endif()
+
+    add_executable(gui-static-vars WIN32 main_gui.c)
+    target_link_libraries(gui-static-vars PRIVATE ${SDL2MAIN_LIBRARY} ${SDL2_STATIC_LIBRARIES})
+    target_include_directories(gui-static-vars PRIVATE ${SDL2_INCLUDE_DIRS})
+
+    add_executable(cli-static main_cli.c)
+    target_link_libraries(cli-static PRIVATE SDL2::SDL2-static)
+
+    # SDL2_LIBRARIES does not support creating a cli SDL2 application (when SDL2::SDL2main is available)
+    # (it is possible that SDL2main is a stub, but we don't know for sure)
+    if(NOT TARGET SDL2::SDL2main)
+        add_executable(cli-static-vars main_cli.c)
+        target_link_libraries(cli-static-vars PRIVATE ${SDL2_STATIC_LIBRARIES})
+        target_include_directories(cli-static-vars PRIVATE ${SDL2_INCLUDE_DIRS})
+    endif()
+endif()
+
+message(STATUS "SDL2_PREFIX:            ${SDL2_PREFIX}")
+message(STATUS "SDL2_INCLUDE_DIR:       ${SDL2_INCLUDE_DIR}")
+message(STATUS "SDL2_INCLUDE_DIRS:      ${SDL2_INCLUDE_DIRS}")
+message(STATUS "SDL2_LIBRARIES:         ${SDL2_LIBRARIES}")
+message(STATUS "SDL2_STATIC_LIBRARIES:  ${SDL2_STATIC_LIBRARIES}")
+message(STATUS "SDL2MAIN_LIBRARY:       ${SDL2MAIN_LIBRARY}")
+message(STATUS "SDL2TEST_LIBRARY:       ${SDL2TEST_LIBRARY}")
+
+feature_summary(WHAT ALL)
diff --git a/src/contrib/SDL-2.30.2/cmake/test/jni/Android.mk b/src/contrib/SDL-2.30.2/cmake/test/jni/Android.mk
new file mode 100644
index 0000000..c4956d6
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/jni/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := main_gui_androidmk
+LOCAL_SRC_FILES := ../main_gui.c
+LOCAL_SHARED_LIBRARIES += SDL2
+include $(BUILD_SHARED_LIBRARY)
+
+$(call import-module,SDL2main)
+$(call import-module,SDL2)
diff --git a/src/contrib/SDL-2.30.2/cmake/test/main_cli.c b/src/contrib/SDL-2.30.2/cmake/test/main_cli.c
new file mode 100644
index 0000000..f6b0836
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/main_cli.c
@@ -0,0 +1,14 @@
+#define SDL_MAIN_HANDLED
+#include "SDL.h"
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+    SDL_SetMainReady();
+    if (SDL_Init(0) < 0) {
+        fprintf(stderr, "could not initialize sdl2: %s\n", SDL_GetError());
+        return 1;
+    }
+    SDL_Delay(100);
+    SDL_Quit();
+    return 0;
+}
diff --git a/src/contrib/SDL-2.30.2/cmake/test/main_gui.c b/src/contrib/SDL-2.30.2/cmake/test/main_gui.c
new file mode 100644
index 0000000..ca2d92e
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/main_gui.c
@@ -0,0 +1,28 @@
+#include "SDL.h"
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+    SDL_Window *window = NULL;
+    SDL_Surface *screenSurface = NULL;
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        fprintf(stderr, "could not initialize sdl2: %s\n", SDL_GetError());
+        return 1;
+    }
+    window = SDL_CreateWindow(
+            "hello_sdl2",
+            SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+            640, 480,
+            SDL_WINDOW_SHOWN
+    );
+    if (!window) {
+        fprintf(stderr, "could not create window: %s\n", SDL_GetError());
+        return 1;
+    }
+    screenSurface = SDL_GetWindowSurface(window);
+    SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xff, 0xff, 0xff));
+    SDL_UpdateWindowSurface(window);
+    SDL_Delay(100);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+    return 0;
+}
diff --git a/src/contrib/SDL-2.30.2/cmake/test/main_lib.c b/src/contrib/SDL-2.30.2/cmake/test/main_lib.c
new file mode 100644
index 0000000..9801ed5
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/main_lib.c
@@ -0,0 +1,33 @@
+#include "SDL.h"
+#include <stdio.h>
+
+#include EXPORT_HEADER
+
+#if defined(_WIN32)
+#include <windows.h>
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
+    return TRUE;
+}
+#endif
+
+int MYLIBRARY_EXPORT mylibrary_init(void);
+void MYLIBRARY_EXPORT mylibrary_quit(void);
+int MYLIBRARY_EXPORT mylibrary_work(void);
+
+int mylibrary_init(void) {
+    SDL_SetMainReady();
+    if (SDL_Init(0) < 0) {
+        fprintf(stderr, "could not initialize sdl2: %s\n", SDL_GetError());
+        return 1;
+    }
+    return 0;
+}
+
+void mylibrary_quit(void) {
+    SDL_Quit();
+}
+
+int mylibrary_work(void) {
+    SDL_Delay(100);
+    return 0;
+}
diff --git a/src/contrib/SDL-2.30.2/cmake/test/test_pkgconfig.sh b/src/contrib/SDL-2.30.2/cmake/test/test_pkgconfig.sh
new file mode 100755
index 0000000..500cd09
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/test_pkgconfig.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+if test "x$CC" = "x"; then
+    CC=cc
+fi
+
+machine="$($CC -dumpmachine)"
+case "$machine" in
+    *mingw* )
+        EXEPREFIX=""
+        EXESUFFIX=".exe"
+        ;;
+    *android* )
+        EXEPREFIX="lib"
+        EXESUFFIX=".so"
+        LDFLAGS="$LDFLAGS -shared"
+        ;;
+    * )
+        EXEPREFIX=""
+        EXESUFFIX=""
+        ;;
+esac
+
+set -e
+
+# Get the canonical path of the folder containing this script
+testdir=$(cd -P -- "$(dirname -- "$0")" && printf '%s\n' "$(pwd -P)")
+SDL_CFLAGS="$( pkg-config sdl2 --cflags )"
+SDL_LDFLAGS="$( pkg-config sdl2 --libs )"
+SDL_STATIC_LDFLAGS="$( pkg-config sdl2 --libs --static )"
+
+compile_cmd="$CC -c "$testdir/main_gui.c" -o main_gui_pkgconfig.c.o $SDL_CFLAGS $CFLAGS"
+link_cmd="$CC main_gui_pkgconfig.c.o -o ${EXEPREFIX}main_gui_pkgconfig${EXESUFFIX} $SDL_LDFLAGS $LDFLAGS"
+static_link_cmd="$CC main_gui_pkgconfig.c.o -o ${EXEPREFIX}main_gui_pkgconfig_static${EXESUFFIX} $SDL_STATIC_LDFLAGS $LDFLAGS"
+
+echo "-- CC:                 $CC"
+echo "-- CFLAGS:             $CFLAGS"
+echo "-- LDFLASG:            $LDFLAGS"
+echo "-- SDL_CFLAGS:         $SDL_CFLAGS"
+echo "-- SDL_LDFLAGS:        $SDL_LDFLAGS"
+echo "-- SDL_STATIC_LDFLAGS: $SDL_STATIC_LDFLAGS"
+
+echo "-- COMPILE:       $compile_cmd"
+echo "-- LINK:          $link_cmd"
+echo "-- STATIC_LINK:   $static_link_cmd"
+
+set -x
+
+$compile_cmd
+$link_cmd
+$static_link_cmd
diff --git a/src/contrib/SDL-2.30.2/cmake/test/test_sdlconfig.sh b/src/contrib/SDL-2.30.2/cmake/test/test_sdlconfig.sh
new file mode 100755
index 0000000..fa41dbb
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/test/test_sdlconfig.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+if test "x$CC" = "x"; then
+    CC=cc
+fi
+
+machine="$($CC -dumpmachine)"
+case "$machine" in
+    *mingw* )
+        EXEPREFIX=""
+        EXESUFFIX=".exe"
+        ;;
+    *android* )
+        EXEPREFIX="lib"
+        EXESUFFIX=".so"
+        LDFLAGS="$LDFLAGS -shared"
+        ;;
+    * )
+        EXEPREFIX=""
+        EXESUFFIX=""
+        ;;
+esac
+
+set -e
+
+# Get the canonical path of the folder containing this script
+testdir=$(cd -P -- "$(dirname -- "$0")" && printf '%s\n' "$(pwd -P)")
+SDL_CFLAGS="$( sdl2-config --cflags )"
+SDL_LDFLAGS="$( sdl2-config --libs )"
+SDL_STATIC_LDFLAGS="$( sdl2-config --static-libs )"
+
+compile_cmd="$CC -c "$testdir/main_gui.c" -o main_gui_sdlconfig.c.o $CFLAGS $SDL_CFLAGS"
+link_cmd="$CC main_gui_sdlconfig.c.o -o ${EXEPREFIX}main_gui_sdlconfig${EXESUFFIX} $SDL_LDFLAGS $LDFLAGS"
+static_link_cmd="$CC main_gui_sdlconfig.c.o -o ${EXEPREFIX}main_gui_sdlconfig_static${EXESUFFIX} $SDL_STATIC_LDFLAGS $LDFLAGS"
+
+echo "-- CC:                 $CC"
+echo "-- CFLAGS:             $CFLAGS"
+echo "-- LDFLAGS:            $LDFLAGS"
+echo "-- SDL_CFLAGS:         $SDL_CFLAGS"
+echo "-- SDL_LDFLAGS:        $SDL_LDFLAGS"
+echo "-- SDL_STATIC_LDFLAGS: $SDL_STATIC_LDFLAGS"
+
+echo "-- COMPILE:       $compile_cmd"
+echo "-- LINK:          $link_cmd"
+echo "-- STATIC_LINK:   $static_link_cmd"
+
+set -x
+
+$compile_cmd
+$link_cmd
+$static_link_cmd