Fix build for linux and android. (#14)

BUILD

@@ -5,16 +5,19 @@
 config_setting (
     name = "linux",
     constraint_values = [
-        "@platforms//os:linux"
+        "@platforms//os:linux",
     ],
     visibility = ["//visibility:public"]
 )
 
 config_setting (
     name = "android",
+    # constraint_values = [
+    #     # Does not work with mediapipe 
+    #     "@platforms//os:android",
+    # ],
     values = {
-        # at least this works for building mediapipe AAR
-        "host_crosstool_top": "@bazel_tools//tools/cpp:toolchain",
+        "define": "RULES_VULKAN_ANDROID=1"
     },
     visibility = ["//visibility:public"]
 )

vulkan/BUILD

@@ -4,15 +4,18 @@ VULKAN_LINKOPTS = select({
 
     "@rules_vulkan//:linux": ["-lvulkan"],
     "@rules_vulkan//:android": [],
+    "@rules_vulkan//:windows": [],
+    "@rules_vulkan//:darwin": [],
     "//conditions:default": [],
 })
 
 VULKAN_LIBRARIES = select({
     "@rules_vulkan//:windows": ["@vulkan_windows//:vulkan_cc_library"],
     "@rules_vulkan//:darwin": ["@vulkan_macos//:vulkan_cc_library"],
+    "@rules_vulkan//:linux": ["@vulkan_linux//:vulkan_cc_library"],
     "@rules_vulkan//:android": ["@vulkan_android//:vulkan_cc_library"],
-    "//conditions:default": [],
-})
+},
+no_match_error = "No configuration matches the supported platforms")
 
 cc_library(
     name = "vulkan_cc_library",

vulkan/platform/android.bzl

@@ -6,8 +6,6 @@ def _impl(repository_ctx):
     ndk_home = repository_ctx.os.environ.get('ANDROID_NDK_HOME', None)
     if ndk_home == None:
         fail('ANDROID_NDK_HOME environment variable not found')
-
-    print("MONI: " + ndk_home + "/sources/third_party/vulkan/src/include")
 
     repository_ctx.symlink(ndk_home, "vulkan_sdk_android")