ports: Add libdrm port

ports/libdrm/build.sh

@@ -0,0 +1,34 @@
+#!/bin/bash ../install.sh
+
+NAME='libdrm'
+VERSION='2.4.134'
+DOWNLOAD_URL="https://dri.freedesktop.org/libdrm/libdrm-$VERSION.tar.xz#ac5e74d157830eb8bee44c6a6bf3ad49774ef0dd2a72bdad74a8f20308b52a95"
+_DEPENDENCIES=('mesa')
+CONFIGURE_OPTIONS=(
+	'-Dprefix=/usr'
+	'-Dbuildtype=release'
+	'-Dintel=disabled'
+	'-Dradeon=disabled'
+	'-Damdgpu=disabled'
+	'-Dnouveau=disabled'
+	'-Dvmwgfx=disabled'
+	'-Domap=disabled'
+	'-Dexynos=disabled'
+	'-Dfreedreno=disabled'
+	'-Dtegra=disabled'
+	'-Dvc4=disabled'
+	'-Detnaviv=disabled'
+	'-Dtests=false'
+)
+
+configure() {
+	meson setup --reconfigure --cross-file "$MESON_CROSS_FILE" "${CONFIGURE_OPTIONS[@]}" build || exit 1
+}
+
+build() {
+	meson compile -C build || exit 1
+}
+
+install() {
+	meson install --destdir="$DESTDIR" -C build || exit 1
+}

ports/libdrm/patches/0001-add-banan-os-support.patch

@@ -0,0 +1,60 @@
+diff -ruN libdrm-2.4.134/include/drm/drm.h libdrm-2.4.134-banan_os/include/drm/drm.h
+--- libdrm-2.4.134/include/drm/drm.h	2026-05-29 11:49:42.000000000 +0300
++++ libdrm-2.4.134-banan_os/include/drm/drm.h	2026-07-05 09:48:55.334130492 +0300
+@@ -44,7 +44,44 @@
+ #else /* One of the BSDs */
+ 
+ #include <stdint.h>
++#ifdef __banan_os__
++#define _IOC_NRBITS    8
++#define _IOC_TYPEBITS  8
++#define _IOC_SIZEBITS 14
++#define _IOC_DIRBITS   2
++
++#define _IOC_NRMASK   ((1 << _IOC_NRBITS  ) - 1)
++#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS) - 1)
++#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS) - 1)
++#define _IOC_DIRMASK  ((1 << _IOC_DIRBITS ) - 1)
++
++#define _IOC_NRSHIFT   0
++#define _IOC_TYPESHIFT (_IOC_NRSHIFT   + _IOC_NRBITS  )
++#define _IOC_SIZESHIFT (_IOC_TYPESHIFT + _IOC_TYPEBITS)
++#define _IOC_DIRSHIFT  (_IOC_SIZESHIFT + _IOC_SIZEBITS)
++
++#define _IOC_NONE  0U
++#define _IOC_WRITE 1U
++#define _IOC_READ  2U
++
++#define _IOC(dir, type, nr, size) \
++	(((dir)  << _IOC_DIRSHIFT ) | \
++	 ((size) << _IOC_SIZESHIFT) | \
++	 ((type) << _IOC_TYPESHIFT) | \
++	 ((nr)   << _IOC_NRSHIFT  ))
++
++#define _IO(type, nr)         _IOC(_IOC_NONE,            (type), (nr), 0)
++#define _IOR(type, nr, size)  _IOC(_IOC_READ,            (type), (nr), sizeof(size))
++#define _IOW(type, nr, size)  _IOC(_IOC_WRITE,           (type), (nr), sizeof(size))
++#define _IOWR(type, nr, size) _IOC(_IOC_READ|_IOC_WRITE, (type), (nr), sizeof(size))
++
++#define _IOC_DIR(nr)  (((nr) >> _IOC_DIRSHIFT ) & _IOC_DIRMASK )
++#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
++#define _IOC_NR(nr)   (((nr) >> _IOC_NRSHIFT  ) & _IOC_NRMASK  )
++#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
++#else
+ #include <sys/ioccom.h>
++#endif
+ #include <sys/types.h>
+ typedef int8_t   __s8;
+ typedef uint8_t  __u8;
+diff -ruN libdrm-2.4.134/xf86drm.h libdrm-2.4.134-banan_os/xf86drm.h
+--- libdrm-2.4.134/xf86drm.h	2026-05-29 11:49:42.000000000 +0300
++++ libdrm-2.4.134-banan_os/xf86drm.h	2026-07-05 09:48:55.351883389 +0300
+@@ -47,7 +47,7 @@
+ #define DRM_MAX_MINOR   64 /* deprecated */
+ #endif
+ 
+-#if defined(__linux__)
++#if defined(__linux__) || defined(__banan_os__)
+ 
+ #define DRM_IOCTL_NR(n)		_IOC_NR(n)
+ #define DRM_IOC_VOID		_IOC_NONE