Enable X11 conditionally in libglvnd's egl header

See https://github.com/KhronosGroup/EGL-Registry/pull/130

libglvnd/static-compat/PKGBUILD

@@ -3,7 +3,7 @@
 _pkgname=libglvnd
 pkgname=static-compat-$_pkgname
 pkgver=1.0.0  # intentionally outdated for compatibility
-pkgrel=2
+pkgrel=3
 pkgdesc="The GL Vendor-Neutral Dispatch library"
 arch=('x86_64')
 url="https://github.com/NVIDIA/libglvnd"
@@ -12,10 +12,16 @@ depends=('static-compat-libxext' 'mesa' 'opengl-driver')
 makedepends=('static-compat-libx11' 'static-compat-xorgproto' 'python' 'static-compat-configure' 'patchelf')
 options=(staticlibs)
 source=("$_pkgname-$pkgver.tar.gz::https://gitlab.freedesktop.org/glvnd/libglvnd/-/archive/v${pkgver}/libglvnd-v${pkgver}.tar.gz"
+        egl-conditional-x11.patch
         LICENSE)
-sha512sums=('c6040b0a508a6b74d7113f8e375fcaf93ec6f2875504953f30e2882e58e22f954bd4027a7d9ab8ac41abef266039e5834fdaf4ce2a69d5d98acf3bbdd54f04b6'
+sha512sums=('f53a909a3ad240c2efbc7c38c3b7cf97bb9b95722a86ab841fcf5f1a83e8a99eb4bbc271f1f249867a74faf4f9d9f65aaffcecc5f5600346186c62f1eee43edd'
+            '35d5e06184ddcda3dabb59830d38c8e6f9b5bd891bdca57ddb311595d2b4ec0c951d65f78ab05429f851615f4d669a9d139ed58916f114ee86d3b86a63859bb7'
             'bf0f4a7e04220a407400f89226ecc1f798cc43035f2538cc8860e5088e1f84140baf0d4b0b28f66e4b802d4d6925769a1297c24e1ba39c1c093902b2931781a5')
 
+prepare() {
+  patch -d $_pkgname-v$pkgver/include/EGL -p1 -i "$PWD/egl-conditional-x11.patch"
+}
+
 build() {
   source static-compat-environment
   export PATH=$PWD:$PATH

libglvnd/static-compat/egl-conditional-x11.patch

@@ -0,0 +1,24 @@
+--- a/eglplatform.h	2022-06-16 16:11:27.934535986 +0200
++++ b/eglplatform.h	2022-06-16 16:17:35.649358663 +0200
+@@ -93,7 +93,7 @@
+ typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
+ typedef void*                           EGLNativeDisplayType;
+ 
+-#elif defined(__unix__)
++#elif defined(USE_X11)
+ 
+ /* X11 (tentative)  */
+ #include <X11/Xlib.h>
+@@ -103,6 +103,12 @@
+ typedef Pixmap   EGLNativePixmapType;
+ typedef Window   EGLNativeWindowType;
+ 
++#elif defined(__unix__)
++
++typedef void             *EGLNativeDisplayType;
++typedef khronos_uintptr_t EGLNativePixmapType;
++typedef khronos_uintptr_t EGLNativeWindowType;
++
+ #else
+ #error "Platform not recognized"
+ #endif