diff options
Diffstat (limited to 'tools/cpp/toolchain_utils.bzl')
| -rw-r--r-- | tools/cpp/toolchain_utils.bzl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/cpp/toolchain_utils.bzl b/tools/cpp/toolchain_utils.bzl index e879299cd1..be6f665877 100644 --- a/tools/cpp/toolchain_utils.bzl +++ b/tools/cpp/toolchain_utils.bzl @@ -33,6 +33,8 @@ def find_cpp_toolchain(ctx): Returns: A CcToolchainProvider. """ + if not hasattr(ctx.attr, "_cc_toolchain"): + fail("In order to use find_cpp_toolchain, you must define the '_cc_toolchain' attribute on your rule or aspect.") if Label("@bazel_tools//tools/cpp:toolchain_type") in ctx.fragments.platform.enabled_toolchain_types: return ctx.toolchains["@bazel_tools//tools/cpp:toolchain_type"] |