ports: Add sdl12-compat port

ports/sdl12-compat/build.sh

@@ -0,0 +1,25 @@
+#!/bin/bash ../install.sh
+
+NAME='sdl12-compat'
+VERSION='1.2.68'
+DOWNLOAD_URL="https://github.com/libsdl-org/sdl12-compat/archive/refs/tags/release-$VERSION.tar.gz#63c6e4dcc1154299e6f363c872900be7f3dcb3e42b9f8f57e05442ec3d89d02d"
+TAR_CONTENT="sdl12-compat-release-$VERSION"
+DEPENDENCIES=('SDL2' 'glu')
+
+configure() {
+	sed -i 's/CMAKE_INSTALL_FULL_DATAROOTDIR/CMAKE_INSTALL_FULL_DATADIR/' CMakeLists.txt
+
+	$BANAN_CMAKE \
+        --toolchain="$CMAKE_TOOLCHAIN_FILE" \
+        --fresh -GNinja -S . -B build \
+        -DCMAKE_INSTALL_PREFIX="$BANAN_SYSROOT/usr" \
+		-DSDL2_INCLUDE_DIR="$BANAN_SYSROOT/usr/include/SDL2"
+}
+
+build() {
+	$BANAN_CMAKE --build build || exit 1
+}
+
+install() {
+	$BANAN_CMAKE --install build || exit 1
+}

ports/sdl12-compat/patches/0001-rename-sdl-shared-library.patch

@@ -0,0 +1,15 @@
+diff -ruN sdl12-compat-release-1.2.68/src/SDL12_compat.c sdl12-compat-release-1.2.68-banan_os/src/SDL12_compat.c
+--- sdl12-compat-release-1.2.68/src/SDL12_compat.c	2023-09-26 20:43:48.000000000 +0300
++++ sdl12-compat-release-1.2.68-banan_os/src/SDL12_compat.c	2025-06-26 03:40:42.751597384 +0300
+@@ -1201,7 +1201,11 @@
+     }
+ #elif defined(__unix__)
+     #include <dlfcn.h>
++# if defined(__banan_os__)
++    #define SDL20_LIBNAME "libSDL2.so"
++# else
+     #define SDL20_LIBNAME "libSDL2-2.0.so.0"
++# endif
+     #define SDL20_REQUIRED_VER SDL_VERSIONNUM(2,0,7)
+     static void *Loaded_SDL20 = NULL;
+     #define LoadSDL20Library() ((Loaded_SDL20 = dlopen(SDL20_LIBNAME, RTLD_LOCAL|RTLD_NOW)) != NULL)