Squashed 'external/sdl/SDL/' content from commit b8d91252c

git-subtree-dir: external/sdl/SDL
git-subtree-split: b8d91252c6488cf9c645aba447b56bb9dbd9609a

cmake/test/CMakeLists.txt

@@ -0,0 +1,91 @@
+# 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 SDL3 outside of sysroot
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE NEVER)
+
+include(FeatureSummary)
+
+option(TEST_SHARED "Test linking to shared SDL3 library" ON)
+add_feature_info("TEST_SHARED" TEST_SHARED "Test linking with shared library")
+
+option(TEST_STATIC "Test linking to static SDL3 library" ON)
+add_feature_info("TEST_STATIC" TEST_STATIC "Test linking with static library")
+
+option(TEST_TEST "Test linking to SDL3_test library" ON)
+add_feature_info("TEST_TEST" TEST_STATIC "Test linking to SDL test library")
+
+find_package(SDL3 REQUIRED CONFIG COMPONENTS Headers)
+add_library(headers_test OBJECT inc_sdl_slash.c inc_sdl_noslash.c)
+target_link_libraries(headers_test PRIVATE SDL3::Headers)
+
+if(TEST_SHARED)
+    find_package(SDL3 REQUIRED CONFIG COMPONENTS SDL3-shared)
+    add_executable(gui-shared WIN32 main_gui.c)
+    target_link_libraries(gui-shared PRIVATE SDL3::SDL3-shared)
+    if(WIN32)
+        add_custom_command(TARGET gui-shared POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:SDL3::SDL3-shared>" "$<TARGET_FILE_DIR:gui-shared>"
+        )
+    endif()
+
+    add_library(sharedlib-shared SHARED main_lib.c)
+    target_link_libraries(sharedlib-shared PRIVATE SDL3::SDL3-shared)
+    generate_export_header(sharedlib-shared EXPORT_MACRO_NAME MYLIBRARY_EXPORT)
+    target_compile_definitions(sharedlib-shared PRIVATE "EXPORT_HEADER=\"${CMAKE_CURRENT_BINARY_DIR}/sharedlib-shared_export.h\"")
+    set_target_properties(sharedlib-shared PROPERTIES C_VISIBILITY_PRESET "hidden")
+
+    add_executable(cli-shared main_cli.c)
+    target_link_libraries(cli-shared PRIVATE SDL3::SDL3-shared)
+    if(WIN32)
+        add_custom_command(TARGET cli-shared POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:SDL3::SDL3-shared>" "$<TARGET_FILE_DIR:cli-shared>"
+        )
+    endif()
+
+    if(TEST_TEST)
+        add_executable(sdltest-shared sdltest.c)
+        target_link_libraries(sdltest-shared PRIVATE SDL3::SDL3_test SDL3::SDL3-shared)
+    endif()
+endif()
+
+if(TEST_STATIC)
+    find_package(SDL3 REQUIRED CONFIG COMPONENTS SDL3-static)
+    add_executable(gui-static WIN32 main_gui.c)
+    target_link_libraries(gui-static PRIVATE SDL3::SDL3-static)
+
+    option(SDL_STATIC_PIC "SDL static library has been built with PIC")
+    if(SDL_STATIC_PIC OR WIN32)
+        add_library(sharedlib-static SHARED main_lib.c)
+        target_link_libraries(sharedlib-static PRIVATE SDL3::SDL3-static)
+        generate_export_header(sharedlib-static EXPORT_MACRO_NAME MYLIBRARY_EXPORT)
+        target_compile_definitions(sharedlib-static PRIVATE "EXPORT_HEADER=\"${CMAKE_CURRENT_BINARY_DIR}/sharedlib-static_export.h\"")
+        set_target_properties(sharedlib-static PROPERTIES C_VISIBILITY_PRESET "hidden")
+    endif()
+
+    if(TEST_TEST)
+        add_executable(sdltest-static sdltest.c)
+        target_link_libraries(sdltest-static PRIVATE SDL3::SDL3_test SDL3::SDL3-static)
+    endif()
+endif()
+
+find_package(SDL3 REQUIRED CONFIG COMPONENTS SDL3)
+add_executable(gui-whatever WIN32 main_gui.c)
+target_link_libraries(gui-whatever PRIVATE SDL3::SDL3)
+
+feature_summary(WHAT ALL)

cmake/test/inc_sdl_noslash.c

@@ -0,0 +1,8 @@
+#include "SDL.h"
+#include "SDL_main.h"
+
+void inc_sdl_noslash(void) {
+    SDL_SetMainReady();
+    SDL_Init(SDL_INIT_EVERYTHING);
+    SDL_Quit();
+}

cmake/test/inc_sdl_slash.c

@@ -0,0 +1,8 @@
+#include "SDL3/SDL.h"
+#include "SDL3/SDL_main.h"
+
+void inc_sdl_slash(void) {
+    SDL_SetMainReady();
+    SDL_Init(SDL_INIT_EVERYTHING);
+    SDL_Quit();
+}

cmake/test/main_cli.c

@@ -0,0 +1,15 @@
+#define SDL_MAIN_HANDLED
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+
+int main(int argc, char *argv[])
+{
+    SDL_SetMainReady();
+    if (SDL_Init(0) < 0) {
+        SDL_Log("Could not initialize SDL: %s\n", SDL_GetError());
+        return 1;
+    }
+    SDL_Delay(100);
+    SDL_Quit();
+    return 0;
+}

cmake/test/main_gui.c

@@ -0,0 +1,24 @@
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+
+int main(int argc, char *argv[])
+{
+    SDL_Window *window = NULL;
+    SDL_Surface *screenSurface = NULL;
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        SDL_Log("Could not initialize SDL: %s\n", SDL_GetError());
+        return 1;
+    }
+    window = SDL_CreateWindow("Hello SDL", 640, 480, 0);
+    if (window == NULL) {
+        SDL_Log("could not create window: %s\n", SDL_GetError());
+        return 1;
+    }
+    screenSurface = SDL_GetWindowSurface(window);
+    SDL_FillSurfaceRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xff, 0xff, 0xff));
+    SDL_UpdateWindowSurface(window);
+    SDL_Delay(100);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+    return 0;
+}

cmake/test/main_lib.c

@@ -0,0 +1,34 @@
+#include <SDL3/SDL.h>
+#define SDL_MAIN_HANDLED /* don't drag in header-only SDL_main implementation */
+#include <SDL3/SDL_main.h>
+
+#include EXPORT_HEADER
+
+#ifdef _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) {
+        SDL_Log("Could not initialize SDL: %s\n", SDL_GetError());
+        return 1;
+    }
+    return 0;
+}
+
+void mylibrary_quit(void) {
+    SDL_Quit();
+}
+
+int mylibrary_work(void) {
+    SDL_Delay(100);
+    return 0;
+}

cmake/test/sdltest.c

@@ -0,0 +1,9 @@
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_test.h>
+
+
+int main(int argc, char *argv[]) {
+    SDLTest_CommonState state;
+    SDLTest_CommonDefaultArgs(&state, argc, argv);
+    return 0;
+}

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="$EXTRA_LDFLAGS -shared"
+        ;;
+    * )
+        EXEPREFIX=""
+        EXESUFFIX=""
+        ;;
+esac
+
+set -e
+
+# Get the canonical path of the folder containing this script
+testdir=$(cd -P -- "$(dirname -- "$0")" && printf '%s\n' "$(pwd -P)")
+SDL_CFLAGS="$( pkg-config sdl3 --cflags )"
+SDL_LDFLAGS="$( pkg-config sdl3 --libs )"
+SDL_STATIC_LDFLAGS="$( pkg-config sdl3 --libs --static )"
+
+compile_cmd="$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