scripts/dawn_nocompile.gni

# Copyright 2026 The Dawn & Tint Authors
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import("//build/nocompile.gni")

import("dawn_features.gni")

# Creates a source set containing negative compile tests.
# The tests run during build, then produce empty object files to "link" with.
# They run only when the build is configured to use Dawn's own copy of Clang
# that's pinned at a known revision. Otherwise, the source set is a no-op.
#
# Directive syntax for expected errors:
# https://clang.llvm.org/docs/InternalsManual.html#verifying-diagnostics
template("dawn_nocompile_source_set") {
  if (dawn_standalone && is_clang) {
    nocompile_source_set(target_name) {
      configs = []

      forward_variables_from(invoker, "*", [ "configs" ])
      if (defined(invoker.configs)) {
        configs += invoker.configs
      }
    }
  } else {
    source_set(target_name) {
      not_needed(invoker, "*")
    }
  }
}