ports: Add gtk3 port

ports/libepoxy/build.sh

@@ -0,0 +1,27 @@
+#!/bin/bash ../install.sh
+
+NAME='libepoxy'
+VERSION='1.5.10'
+DOWNLOAD_URL="https://download.gnome.org/sources/libepoxy/1.5/libepoxy-$VERSION.tar.xz#072cda4b59dd098bba8c2363a6247299db1fa89411dc221c8b81b8ee8192e623"
+DEPENDENCIES=('mesa' 'libX11')
+CONFIGURE_OPTIONS=(
+	'-Dprefix=/usr'
+	'-Dtests=false'
+	'-Degl=no'
+)
+
+configure() {
+	meson setup \
+		--reconfigure \
+		--cross-file "$MESON_CROSS_FILE" \
+		"${CONFIGURE_OPTIONS[@]}" \
+		build || exit 1
+}
+
+build() {
+	meson compile -C build || exit 1
+}
+
+install() {
+	meson install --destdir="$BANAN_SYSROOT" -C build || exit 1
+}

ports/libepoxy/patches/0001-fix-dispatch-common.patch

@@ -0,0 +1,23 @@
+--- libepoxy-1.5.10/src/dispatch_common.c	2022-02-17 14:56:12.000000000 +0200
++++ libepoxy-1.5.10-banan_os/src/dispatch_common.c	2025-11-11 18:35:23.194563757 +0200
+@@ -164,7 +164,9 @@
+ #include <windows.h>
+ #else
+ #include <dlfcn.h>
++#ifndef __banan_os__
+ #include <err.h>
++#endif
+ #include <pthread.h>
+ #endif
+ #include <string.h>
+@@ -306,8 +308,10 @@
+     pthread_mutex_lock(&api.mutex);
+     if (!*handle) {
+         int flags = RTLD_LAZY | RTLD_LOCAL;
++#ifdef RTLD_NOLOAD
+         if (!load)
+             flags |= RTLD_NOLOAD;
++#endif
+ 
+         *handle = dlopen(lib_name, flags);
+         if (!*handle) {