build: fix bazel tests

Author: maxbartel

build_tools/bazel/iree.bazelrc

@@ -41,7 +41,7 @@ build --force_pic
 ###############################################################################
 # Build settings flag aliases. See https://bazel.build/rules/config
 ###############################################################################
-build --flag_alias=iree_drivers=//runtime/src/iree/hal/drivers:enabled_drivers
+build --flag_alias=iree_drivers=@iree//runtime/src/iree/hal/drivers:enabled_drivers
 build --flag_alias=iree_link_compiler_shared=//compiler/src/iree/compiler/API:link_shared
 # Equivalent to CMake flag IREE_ENABLE_RUNTIME_TRACING + IREE_TRACING_PROVIDER.
 # Builds the runtime with tracing support enabled.

compiler/bindings/c/BUILD.bazel

@@ -45,7 +45,7 @@ cc_test(
         "iree/compiler/loader/loader_test.c",
     ],
     args = [
-        "lib/libIREECompiler.so",
+        "$(WORKSPACE_ROOT)/lib/libIREECompiler.so",
     ],
     data = [
         "//lib:libIREECompiler.so",
@@ -55,4 +55,6 @@ cc_test(
         ":headers",
         ":loader",
     ],
+    toolchains = ["//:workspace_root"],
 )
+

compiler/bindings/python/BUILD.bazel

@@ -310,11 +310,6 @@ py_library(
     ),
 )
 
-py_library(
-    name = "CompilerDialectPyFiles",
-    srcs = ["iree/compiler/dialects/transform/iree_structured"],
-)
-
 # These flags are needed for pybind11 to work.
 PYBIND11_COPTS = [
     "-fexceptions",