SERVER-80501 Refactor Bazel-related files into /bazel directory

WORKSPACE.bazel

@@ -2,7 +2,7 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "mongo_toolchain",
-    build_file = "@//toolchains:mongo_toolchain.BUILD",
+    build_file = "@//bazel/toolchains:mongo_toolchain.BUILD",
     patch_cmds = [
         # Alter each symlink to point to a canonical (rather than relative) path.
         r"""

bazel_config/BUILD.bazel → bazel/config/BUILD.bazel

@@ -1,4 +1,4 @@
-load("//bazel_config:configs.bzl", "compiler_type")
+load("//bazel/config:configs.bzl", "compiler_type")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -10,13 +10,13 @@ compiler_type(
 config_setting(
     name = "compiler_type_clang",
     flag_values = {
-        "//bazel_config:compiler_type": "clang",
+        "//bazel/config:compiler_type": "clang",
     },
 )
 
 config_setting(
     name = "compiler_type_gcc",
     flag_values = {
-        "//bazel_config:compiler_type": "gcc",
+        "//bazel/config:compiler_type": "gcc",
     },
 )

toolchains/mongo_toolchain.BUILD → bazel/toolchains/mongo_toolchain.BUILD

@@ -100,8 +100,8 @@ cc_toolchain(
     objcopy_files = ":all",
     strip_files = ":all",
     toolchain_config = select({
-        "@//bazel_config:compiler_type_clang": ":cc_clang_toolchain_config",
-        "@//bazel_config:compiler_type_gcc": ":cc_gcc_toolchain_config",
+        "@//bazel/config:compiler_type_clang": ":cc_clang_toolchain_config",
+        "@//bazel/config:compiler_type_gcc": ":cc_gcc_toolchain_config",
     }),
 )
 

evergreen/bazel_compile.sh

@@ -14,4 +14,7 @@ cd src
 set -o errexit
 set -o verbose
 
-./bazelisk build --verbose_failures --//bazel_config:compiler_type={$compiler} ${targets}
+# Use `eval` to force evaluation of the environment variables in the echo statement:
+eval echo "Execution environment: Compiler: ${compiler} Targets: ${targets}"
+
+./bazelisk build --verbose_failures --//bazel/config:compiler_type=${compiler} ${targets}