Split vendor/include into windows and linux versions, because the headers are slightly different. The issue I noticed is

k4a_export.h uses decltype on windows, and something else on linux. For this reason I just took the k4a/*.h from
/usr/local/include and added them here.

vendor/include/linux/k4a/k4a_export.h

@@ -0,0 +1,42 @@
+
+#ifndef K4A_EXPORT_H
+#define K4A_EXPORT_H
+
+#ifdef K4A_STATIC_DEFINE
+#  define K4A_EXPORT
+#  define K4A_NO_EXPORT
+#else
+#  ifndef K4A_EXPORT
+#    ifdef k4a_EXPORTS
+        /* We are building this library */
+#      define K4A_EXPORT __attribute__((visibility("default")))
+#    else
+        /* We are using this library */
+#      define K4A_EXPORT __attribute__((visibility("default")))
+#    endif
+#  endif
+
+#  ifndef K4A_NO_EXPORT
+#    define K4A_NO_EXPORT __attribute__((visibility("hidden")))
+#  endif
+#endif
+
+#ifndef K4A_DEPRECATED
+#  define K4A_DEPRECATED __attribute__ ((__deprecated__))
+#endif
+
+#ifndef K4A_DEPRECATED_EXPORT
+#  define K4A_DEPRECATED_EXPORT K4A_EXPORT K4A_DEPRECATED
+#endif
+
+#ifndef K4A_DEPRECATED_NO_EXPORT
+#  define K4A_DEPRECATED_NO_EXPORT K4A_NO_EXPORT K4A_DEPRECATED
+#endif
+
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef K4A_NO_DEPRECATED
+#    define K4A_NO_DEPRECATED
+#  endif
+#endif
+
+#endif

vendor/include/linux/k4a/k4aversion.h

@@ -0,0 +1,16 @@
+/* Copyright (c) Microsoft Corporation. All rights reserved.
+   Licensed under the MIT License. */
+
+#ifndef K4AVERSION_H
+#define K4AVERSION_H
+
+#define K4A_VERSION_MAJOR          1
+#define K4A_VERSION_MINOR          3
+#define K4A_VERSION_PATCH          0
+#define K4A_VERSION_PRERELEASE     "private"
+#define K4A_VERSION_BUILD_METADATA ""
+
+#define K4A_VERSION_STR            "1.3.0-private"
+
+#endif
+