bazel: Add RBE rules using BuildBuddy.

.bazelrc

@@ -0,0 +1 @@
+tools/bazel.rc

WORKSPACE

@@ -10,5 +10,23 @@ git_repository(
 )
 
 load("@rules_libsdl12//:libsdl12.bzl", "libsdl12_repositories")
+
 libsdl12_repositories()
 
+# Toolchains for remote execution via buildbuddy.
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "io_buildbuddy_buildbuddy_toolchain",
+    sha256 = "1cab6ef3ae9b4211ab9d57826edd4bbc34e5b9e5cb1927c97f0788d8e7ad0442",
+    strip_prefix = "buildbuddy-toolchain-b043878a82f266fd78369b794a105b57dc0b2600",
+    urls = ["https://github.com/buildbuddy-io/buildbuddy-toolchain/archive/b043878a82f266fd78369b794a105b57dc0b2600.tar.gz"],
+)
+
+load("@io_buildbuddy_buildbuddy_toolchain//:deps.bzl", "buildbuddy_deps")
+
+buildbuddy_deps()
+
+load("@io_buildbuddy_buildbuddy_toolchain//:rules.bzl", "buildbuddy")
+
+buildbuddy(name = "buildbuddy_toolchain")

tools/bazel.rc

@@ -0,0 +1,45 @@
+# Use buildbuddy by passing --config=remote.
+# This should be fine for this open source project.
+query:remote --output=xml
+
+build:remote --define=libsdl12_linux_deps_bin=true
+build:remote --remote_executor=grpcs://remote.buildbuddy.io
+build:remote --host_platform=@buildbuddy_toolchain//:platform
+build:remote --platforms=@buildbuddy_toolchain//:platform
+build:remote --extra_execution_platforms=@buildbuddy_toolchain//:platform
+build:remote --crosstool_top=@buildbuddy_toolchain//:toolchain
+build:remote --extra_toolchains=@buildbuddy_toolchain//:cc_toolchain
+#build:remote --javabase=@buildbuddy_toolchain//:javabase_jdk8
+#build:remote --host_javabase=@buildbuddy_toolchain//:javabase_jdk8
+#build:remote --java_toolchain=@buildbuddy_toolchain//:toolchain_jdk8
+#build:remote --host_java_toolchain=@buildbuddy_toolchain//:toolchain_jdk8
+build:remote --define=EXECUTOR=remote
+build:remote --define=libsdl12_linux_deps_bin=true
+
+build:remote --bes_results_url=https://app.buildbuddy.io/invocation/
+build:remote --bes_backend=grpcs://remote.buildbuddy.io
+build:remote --remote_cache=grpcs://remote.buildbuddy.io
+build:remote --remote_timeout=3600
+build:remote --remote_executor=grpcs://remote.buildbuddy.io
+
+# readonly:
+#build:remote --noremote_upload_local_results # Uploads logs & artifacts without writing to cache
+# toplevel:
+#build:remote --remote_download_toplevel # Helps remove network bottleneck if caching is enabled
+
+build:remote --jobs=50
+
+# Use buildbuddy for cache only, by passing --config=remotecache.
+# This should be fine for this open source project.
+build:remotecache --bes_results_url=https://app.buildbuddy.io/invocation/
+build:remotecache --bes_backend=grpcs://remote.buildbuddy.io
+build:remotecache --remote_cache=grpcs://remote.buildbuddy.io
+build:remotecache --remote_timeout=3600
+build:remotecache --remote_executor=grpcs://remote.buildbuddy.io
+
+# readonly:
+#build:remotecache --noremote_upload_local_results # Uploads logs & artifacts without writing to cache
+# toplevel:
+#build:remotecache --remote_download_toplevel # Helps remove network bottleneck if caching is enabled
+
+try-import %workspace%/.bazelrc.buildbuddysecrets