Basic Vulkan header hookup and automation

.gitignore

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+/target/
+native/test
+native/test.o
+native/vulkan
+src/original.rs
+**/*.rs.bk
+Cargo.lock

Cargo.toml

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+[package]
+name = "portability"
+version = "0.1.0"
+authors = ["Dzmitry Malyshau <kvark@mozilla.com>"]
+
+[lib]
+name = "vulkan"
+crate-type = ["dylib"]
+
+[dependencies]
+gfx_core = { path = "../gfx/src/core" }
+gfx_backend_vulkan = { path = "../gfx/src/backend/vulkan" }

Makefile

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+HEADER=native/vulkan/vulkan.h
+BINDING=src/original.rs
+TARGET=native/test
+OBJECTS=native/test.o
+OUTPUT_DIR=target/debug
+OUTPUT=${OUTPUT_DIR}/libvulkan.a
+
+all: ${TARGET}
+
+${BINDING}: ${HEADER}
+	bindgen --no-layout-tests --rustfmt-bindings ${HEADER} -o ${BINDING}
+
+portability: ${BINDING}
+	cargo build
+
+${TARGET}: portability ${OBJECTS}
+	gcc -o ${TARGET} -L${OUTPUT_DIR} -lvulkan ${OBJECTS}
+
+run: ${TARGET}
+	${TARGET}
+
+clean:
+	rm -f ${OBJECTS} ${TARGET} ${BINDING}

native/test.c

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+#include "vulkan/vulkan.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    VkInstanceCreateInfo inst_info = {};
+    inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+    inst_info.pNext = NULL;
+    inst_info.flags = 0;
+    inst_info.pApplicationInfo = NULL;
+    inst_info.enabledExtensionCount = 0;
+    inst_info.ppEnabledExtensionNames = NULL;
+    inst_info.enabledLayerCount = 0;
+    inst_info.ppEnabledLayerNames = NULL;
+
+    VkInstance inst;
+    VkResult res;
+
+    res = vkCreateInstance(&inst_info, NULL, &inst);
+    if (res == VK_ERROR_INCOMPATIBLE_DRIVER) {
+        printf("cannot find a compatible Vulkan ICD\n");
+        exit(-1);
+    } else if (res) {
+        printf("unknown error\n");
+        exit(-1);
+    }
+
+    vkDestroyInstance(inst, NULL);
+
+    return 0;
+}