Use bazel 7

This updates the remote toolchains and bumps some rule sets to be
compatible. We use the latest release of rules_cc in the fixture repo.
This was needed to avoid the "osx/crosstool" error in the extraction repo.

.bazelrc

@@ -1,3 +1,14 @@
+# # Bazel7
+# TODO: With bzlmod we cannot access the WORKSPACE file anymore
+#     $  bazel build //:gazelle
+#     ERROR: /.../external/bazel_gazelle_go_repository_config/BUILD.bazel: no such
+#     target '@@bazel_gazelle_go_repository_config//:WORKSPACE': target 'WORKSPACE'
+#     not declared in package '' defined by
+#     /CAS/bazel-cache/f1a15cfb78ca8fde7615be5d21224669/external/bazel_gazelle_go_repository_config/BUILD.bazel;
+#     however, a source file of this name exists.  (Perhaps add
+#     'exports_files(["WORKSPACE"])' to /BUILD?)
+build --noenable_bzlmod
+
 # Required for @com_google_absl and remoteapis that use it.
 build --cxxopt=-std=c++17
 build --host_cxxopt=-std=c++17

.bazelversion

@@ -1 +1 @@
-6.0.0
+7.0.0

WORKSPACE

@@ -86,16 +86,25 @@ gazelle_dependencies()
 
 http_archive(
     name = "com_google_protobuf",
-    sha256 = "a700a49470d301f1190a487a923b5095bf60f08f4ae4cac9f5f7c36883d17971",
-    strip_prefix = "protobuf-23.4",
-    urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v23.4/protobuf-23.4.tar.gz"],
+    integrity = "sha256-m9h7goDvcg0yQFFPiE5WpxLyIY8NaTtIBQyDYCiUCkI=",
+    strip_prefix = "protobuf-25.1",
+    urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v25.1/protobuf-25.1.tar.gz"],
 )
 
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
 
 protobuf_deps()
 
-# Below dependencies are for the example project.
+# # Dependencies below are for the example project.
+
+# C++ rules for Bazel.
+
+http_archive(
+    name = "rules_cc",
+    sha256 = "2037875b9a4456dce4a79d112a8ae885bbc4aad968e6587dca6e64f3a0900cdf",
+    strip_prefix = "rules_cc-0.0.9",
+    urls = ["https://github.com/bazelbuild/rules_cc/releases/download/0.0.9/rules_cc-0.0.9.tar.gz"],
+)
 
 http_archive(
     name = "com_grail_bazel_toolchain",
@@ -112,14 +121,6 @@ llvm_toolchain(
     llvm_version = "14.0.0",
 )
 
-# C++ rules for Bazel.
-http_archive(
-    name = "rules_cc",
-    sha256 = "fe1e7b1801a63e79eb1b40dc44bf0590117a399e118ac44afd6fa07bf63e9ece",
-    strip_prefix = "rules_cc-58f8e026c00a8a20767e3dc669f46ba23bc93bdb",
-    urls = ["https://github.com/bazelbuild/rules_cc/archive/58f8e026c00a8a20767e3dc669f46ba23bc93bdb.zip"],
-)
-
 # Register the auto configured rules_cc toolchain for local execution.
 load("@rules_cc//cc:repositories.bzl", "rules_cc_dependencies", "rules_cc_toolchains")
 
@@ -208,9 +209,9 @@ http_archive(
 
 http_archive(
     name = "aspect_rules_js",
-    sha256 = "00e7b97b696af63812df0ca9e9dbd18579f3edd3ab9a56f227238b8405e4051c",
-    strip_prefix = "rules_js-1.23.0",
-    url = "https://github.com/aspect-build/rules_js/releases/download/v1.23.0/rules_js-v1.23.0.tar.gz",
+    sha256 = "76a04ef2120ee00231d85d1ff012ede23963733339ad8db81f590791a031f643",
+    strip_prefix = "rules_js-1.34.1",
+    url = "https://github.com/aspect-build/rules_js/releases/download/v1.34.1/rules_js-v1.34.1.tar.gz",
 )
 
 load("@aspect_rules_js//js:repositories.bzl", "rules_js_dependencies")

tools/remote-toolchains/extract-bazel-auto-toolchains-fixture/WORKSPACE

@@ -5,9 +5,9 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 # C++ rules for Bazel.
 http_archive(
     name = "rules_cc",
-    sha256 = "954b7a3efc8752da957ae193a13b9133da227bdacf5ceb111f2e11264f7e8c95",
-    strip_prefix = "rules_cc-9e10b8a6db775b1ecd358d8ddd3dab379a2c29a5",
-    urls = ["https://github.com/bazelbuild/rules_cc/archive/9e10b8a6db775b1ecd358d8ddd3dab379a2c29a5.zip"],
+    sha256 = "2037875b9a4456dce4a79d112a8ae885bbc4aad968e6587dca6e64f3a0900cdf",
+    strip_prefix = "rules_cc-0.0.9",
+    urls = ["https://github.com/bazelbuild/rules_cc/releases/download/0.0.9/rules_cc-0.0.9.tar.gz"],
 )
 
 load("@rules_cc//cc:repositories.bzl", "rules_cc_dependencies", "rules_cc_toolchains")

tools/remote-toolchains/extract-bazel-auto-toolchains.sh

@@ -7,7 +7,7 @@
 # `.bazelversion` in the repository root.
 #
 # Example usage: ./extract-bazel-auto-toolchains.sh ubuntu-act-22-04 ghcr.io/catthehacker/ubuntu:act-22.04
-set -eEuo pipefail
+set -eu -o pipefail
 
 script_dir="$(dirname "${BASH_SOURCE[0]}")"
 

tools/remote-toolchains/ubuntu-act-22-04/local_config_cc/BUILD

@@ -106,10 +106,11 @@ cc_toolchain_config(
         "-Wl,-z,relro,-z,now",
         "-B/usr/bin",
         "-pass-exit-codes",
+    ],
+    link_libs = [
         "-lstdc++",
         "-lm",
     ],
-    link_libs = [],
     opt_compile_flags = [
         "-g0",
         "-O2",

tools/remote-toolchains/ubuntu-act-22-04/local_config_cc/cc_toolchain_config.bzl

@@ -313,7 +313,7 @@ def _impl(ctx):
                 ],
                 flag_groups = [
                     flag_group(
-                        flags = ["-gsplit-dwarf"],
+                        flags = ["-gsplit-dwarf", "-g"],
                         expand_if_available = "per_object_debug_info_file",
                     ),
                 ],
@@ -354,8 +354,8 @@ def _impl(ctx):
                     flag_group(
                         flags = [
                             "-fprofile-use=%{fdo_profile_path}",
-                            "-Xclang-only=-Wno-profile-instr-unprofiled",
-                            "-Xclang-only=-Wno-profile-instr-out-of-date",
+                            "-Wno-profile-instr-unprofiled",
+                            "-Wno-profile-instr-out-of-date",
                             "-fprofile-correction",
                         ],
                         expand_if_available = "fdo_profile_path",
@@ -808,8 +808,8 @@ def _impl(ctx):
                 flag_groups = [
                     flag_group(
                         flags = [
-                            "-Xclang-only=-mllvm",
-                            "-Xclang-only=-prefetch-hints-file=%{fdo_prefetch_hints_path}",
+                            "-mllvm",
+                            "-prefetch-hints-file=%{fdo_prefetch_hints_path}",
                         ],
                         expand_if_available = "fdo_prefetch_hints_path",
                     ),
@@ -950,7 +950,6 @@ def _impl(ctx):
         ],
     )
 
-    dynamic_library_linker_tool_path = tool_paths
     dynamic_library_linker_tool_feature = feature(
         name = "dynamic_library_linker_tool",
         flag_sets = [
@@ -1114,6 +1113,8 @@ def _impl(ctx):
             strip_debug_symbols_feature,
             coverage_feature,
             supports_pic_feature,
+            gcc_coverage_map_format_feature,
+            llvm_coverage_map_format_feature,
         ] + (
             [
                 supports_start_end_lib_feature,
@@ -1150,6 +1151,8 @@ def _impl(ctx):
             user_compile_flags_feature,
             sysroot_feature,
             unfiltered_compile_flags_feature,
+            gcc_coverage_map_format_feature,
+            llvm_coverage_map_format_feature,
         ]
 
     return cc_common.create_cc_toolchain_config_info(

tools/remote-toolchains/ubuntu-act-22-04/local_config_platform/BUILD.bazel

@@ -8,3 +8,8 @@ platform(
     # Auto-detected host platform constraints.
     constraint_values = HOST_CONSTRAINTS,
 )
+
+exports_files([
+    # Export constraints.bzl for use in downstream bzl_library targets.
+    "constraints.bzl",
+])