Add alwayslink to cuda_binary and cuda_test macros

cuda/private/macros/cuda_binary.bzl

@@ -1,17 +1,29 @@
 load("//cuda/private:rules/cuda_library.bzl", _cuda_library = "cuda_library")
 
 def cuda_binary(name, **attrs):
-    """Wrapper to ensure the binary is compiled with the CUDA compiler."""
-    cuda_library_only_attrs = ["deps", "srcs", "hdrs"]
+    """A macro wraps cuda_library and cc_binary to ensure the binary is compiled with the CUDA compiler.
+
+    Args:
+        name: A unique name for this target (cc_binary).
+        **attrs: attrs of cc_binary and cuda_library.
+    """
+    cuda_library_only_attrs = ["deps", "srcs", "hdrs", "alwayslink"]
+    cuda_library_only_attrs_defaults = {
+        "alwayslink": True,
+    }
 
     # https://bazel.build/reference/be/common-definitions?hl=en#common-attributes-binaries
     cc_binary_only_attrs = ["args", "env", "output_licenses"]
 
-    cuda_library_name = "_" + name
+    cuda_library_attrs = {k: v for k, v in attrs.items() if k not in cc_binary_only_attrs}
+    for attr in cuda_library_only_attrs_defaults:
+        if attr not in cuda_library_attrs:
+            cuda_library_attrs[attr] = cuda_library_only_attrs_defaults[attr]
 
+    cuda_library_name = "_" + name
     _cuda_library(
         name = cuda_library_name,
-        **{k: v for k, v in attrs.items() if k not in cc_binary_only_attrs}
+        **cuda_library_attrs
     )
 
     native.cc_binary(

cuda/private/macros/cuda_test.bzl

@@ -1,18 +1,30 @@
 load("//cuda/private:rules/cuda_library.bzl", _cuda_library = "cuda_library")
 
 def cuda_test(name, **attrs):
-    """Wrapper to ensure the test is compiled with the CUDA compiler."""
-    cuda_library_only_attrs = ["deps", "srcs", "hdrs"]
+    """A macro wraps cuda_library and cc_test to ensure the test is compiled with the CUDA compiler.
+
+    Args:
+        name: A unique name for this target (cc_test).
+        **attrs: attrs of cc_test and cuda_library.
+    """
+    cuda_library_only_attrs = ["deps", "srcs", "hdrs", "testonly", "alwayslink"]
+    cuda_library_only_attrs_defaults = {
+        "testonly": True,
+        "alwayslink": True,
+    }
 
     # https://bazel.build/reference/be/common-definitions?hl=en#common-attributes-tests
     cc_test_only_attrs = ["args", "env", "env_inherit", "size", "timeout", "flaky", "shard_count", "local"]
 
-    cuda_library_name = "_" + name
+    cuda_library_attrs = {k: v for k, v in attrs.items() if k not in cc_test_only_attrs}
+    for attr in cuda_library_only_attrs_defaults:
+        if attr not in cuda_library_attrs:
+            cuda_library_attrs[attr] = cuda_library_only_attrs_defaults[attr]
 
+    cuda_library_name = "_" + name
     _cuda_library(
         name = cuda_library_name,
-        testonly = True,
-        **{k: v for k, v in attrs.items() if k not in cc_test_only_attrs}
+        **cuda_library_attrs
     )
 
     native.cc_test(