SERVER-80606: config settings for gdbserver

.bazelrc

@@ -42,3 +42,7 @@ build:local --tls_client_key=
 build:local --experimental_remote_cache_compression=false
 build:local --grpc_keepalive_time=0s
 build:local --legacy_important_outputs
+
+
+# try to import the bazelrc files if available
+try-import %workspace%/.bazelrc.local

.gitignore

@@ -273,6 +273,7 @@ bazel-mongo*
 bazel-out
 bazel-testlogs
 bazelisk
+.bazelrc.local
 
 # generated configs for external fixture suites
 docker_compose/

bazel/config/BUILD.bazel

@@ -1,4 +1,4 @@
-load("//bazel/config:configs.bzl", "build_mode", "compiler_type", "use_libunwind")
+load("//bazel/config:configs.bzl", "build_mode", "compiler_type", "use_libunwind", "use_gdbserver")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -223,3 +223,21 @@ config_setting(
         "//bazel/config:use_libunwind": "True",
     },
 )
+
+# --------------------------------------
+# gdbserver options
+# --------------------------------------
+
+use_gdbserver(
+    name = "use_gdbserver",
+    build_setting_default = False,
+)
+
+config_setting(
+    name = "use_gdbserver_enabled",
+    flag_values = {
+        "//bazel/config:use_gdbserver": "True",
+    }
+)
+
+

bazel/config/configs.bzl

@@ -36,6 +36,20 @@ build_mode = rule(
     build_setting = config.string(flag = True),
 )
 
+# =========
+# gdbserver
+# ========= 
+
+use_gdbserver_provider = provider(
+    doc = "Choose if gdbserver should be used"
+    fields = ["type"],
+)
+
+use_gdbserver = rule(
+    implementation = lambda ctx: use_gdbserver_provider(type = ctx.build_setting_value),
+    build_setting = config.bool(flag = True),
+)
+
 # =========
 # libunwind
 # =========

site_scons/site_tools/integrate_bazel.py

@@ -336,6 +336,7 @@ def generate(env: SCons.Environment.Environment) -> None:
             f'--//bazel/config:compiler_type={env.ToolchainName()}',
             f'--//bazel/config:build_mode={build_mode}',
             f'--//bazel/config:use_libunwind={env["USE_VENDORED_LIBUNWIND"]}',
+            f'--//bazel/config:use_gdbserver={False if env.GetOption("gdbserver") is None else True}',
             '--compilation_mode=dbg',  # always build this compilation mode as we always build with -g
             '--dynamic_mode=%s' % ('off' if static_link else 'fully'),
         ]