bazel build support (alibaba#613)

.bazelrc

@@ -0,0 +1,52 @@
+# Must be first. Enables build:windows, build:linux, build:macos, build:freebsd, build:openbsd
+build --enable_platform_specific_config
+###############################################################################
+# On       Windows, provide: BAZEL_SH, and BAZEL_LLVM (if using clang-cl)
+# On all platforms, provide: PYTHON3_BIN_PATH=python
+###############################################################################
+build --action_env=PATH
+# For --compilation_mode=dbg, consider enabling checks in the standard library as well (below).
+build --compilation_mode=opt
+# FIXME(lingxuan.zlx) TEST CASE:  test wide string crash since cxx abi off.
+build --cxxopt="-D_GLIBCXX_USE_CXX11_ABI=0"
+# Using C++ 20 on all platforms.
+build:linux --cxxopt="-std=c++20"
+build:macos --cxxopt="-std=c++20"
+build:clang-cl --cxxopt="-std=c++20"
+build:gcc-cl --cxxopt="-std=c++20"
+build:gcc-cl --cxxopt="-fcoroutines"
+build:msvc-cl --cxxopt="/std:c++20"
+build:windows --cxxopt="/std:c++20"
+# This workaround is needed to prevent Bazel from compiling the same file twice (once PIC and once not).
+build:linux --force_pic
+build:macos --force_pic
+build:clang-cl --compiler=clang-cl
+build:msvc-cl --compiler=msvc-cl
+# `LC_ALL` and `LANG` is needed for cpp worker tests, because they will call "ray start".
+# If we don't add them, python's `click` library will raise an error.
+build --action_env=LC_ALL
+build --action_env=LANG
+# Allow C++ worker tests to execute "ray start" with the correct version of Python.
+build --action_env=VIRTUAL_ENV
+build --action_env=PYENV_VIRTUAL_ENV
+build --action_env=PYENV_VERSION
+build --action_env=PYENV_SHELL
+# This is needed for some core tests to run correctly
+build:windows --enable_runfiles
+build:linux    --per_file_copt="-\\.(asm|S)$@-Werror"
+build:macos    --per_file_copt="-\\.(asm|S)$@-Werror"
+build:clang-cl --per_file_copt="-\\.(asm|S)$@-Werror"
+build:gcc-cl --per_file_copt="-\\.(asm|S)$@-Werror"
+build:msvc-cl     --per_file_copt="-\\.(asm|S)$@-WX"
+# Ignore warnings for protobuf generated files and external projects.
+build --per_file_copt="\\.pb\\.cc$@-w"
+build --per_file_copt="-\\.(asm|S)$,external/.*@-w"
+#build --per_file_copt="external/.*@-Wno-unused-result"
+# Ignore minor warnings for host tools, which we generally can't control
+build:clang-cl --host_copt="-Wno-inconsistent-missing-override"
+build:clang-cl --host_copt="-Wno-microsoft-unqualified-friend"
+# Ignore wchar_t -> char conversion warning on MSVC
+build:msvc-cl --per_file_copt="external/boost/libs/regex/src/wc_regex_traits\\.cpp@-wd4244"
+build --http_timeout_scaling=5.0
+build --verbose_failures
+

.github/workflows/bazel.yml → .github/workflows/bazel_clang.yml

@@ -1,4 +1,4 @@
-name: Bazel
+name: Bazel-Clang
 
 on:
   push:
@@ -22,8 +22,8 @@ jobs:
 
       - name: Build
         working-directory: ${{github.workspace}}
-        run: bazel build --action_env=CXX=clang++-17 --action_env=CC=clang-17 ...
+        run: bazel build --config=clang-cl --action_env=CXX=clang++-17 --action_env=CC=clang-17 ...
 
       - name: Test
         working-directory: ${{github.workspace}}
-        run: bazel test --action_env=CXX=clang++-17 --action_env=CC=clang-17 --test_output=errors ...
+        run: bazel test --config=clang-cl --action_env=CXX=clang++-17 --action_env=CC=clang-17 --test_output=errors ...

.github/workflows/bazel_gcc.yml

@@ -0,0 +1,24 @@
+name: Bazel-GCC
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v2
+
+
+      - name: Build
+        working-directory: ${{github.workspace}}
+        run: bazel build --config=gcc-cl ...
+
+      - name: Test
+        working-directory: ${{github.workspace}}
+        run: bazel test --config=gcc-cl --test_output=errors ...

BUILD.bazel

@@ -1,13 +1,95 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
+load("//bazel:defs.bzl", "YA_BIN_COPT", "YA_LT_COPT")
+
 package(default_visibility = ["//visibility:public"])
 
 cc_library(
     name = "ylt",
-    hdrs = glob([
-        "include/**",
-        "src/include/**"
+    srcs = glob([
+        "include/ylt/**/*.hpp",
+        "include/ylt/**/*.h",
+        "include/ylt/**/*.ipp",
+        "src/include/*.h",
     ]),
-    includes = ["include", "include/ylt/thirdparty","src/include"],
+    copts = YA_LT_COPT,
+    includes = [
+        "include",
+        "include/ylt",
+        "include/ylt/thirdparty",
+        "src/include",
+    ],
     linkopts = ["-lpthread"],
     visibility = ["//visibility:public"],
 )
+
+# List one example for ylt tests.
+cc_test(
+    name = "easylog_test",
+    srcs = [
+        "src/easylog/tests/main.cpp",
+        "src/easylog/tests/test_easylog.cpp",
+    ],
+    copts = YA_BIN_COPT,
+    includes = [
+        "include",
+        "include/ylt/thirdparty",
+        "src/include",
+    ],
+    deps = [":ylt"],
+)
+
+cc_binary(
+    name = "easylog_benchmark",
+    srcs = [
+        "src/easylog/benchmark/main.cpp",
+    ],
+    copts = YA_BIN_COPT,
+    includes = [
+        "include",
+        "include/ylt/thirdparty",
+        "src/include",
+    ],
+    deps = [":ylt"],
+)
+
+cc_binary(
+    name = "coro_http_example",
+    srcs = ["src/coro_http/examples/example.cpp"],
+    copts = YA_BIN_COPT,
+    includes = [
+        "include",
+        "include/ylt",
+        "include/ylt/thirdparty",
+        "src/include",
+    ],
+    linkopts = ["-lpthread"],
+    deps = [":ylt"],
+)
+
+cc_binary(
+    name = "coro_http_channel",
+    srcs = ["src/coro_http/examples/channel.cpp"],
+    copts = YA_BIN_COPT,
+    includes = [
+        "include",
+        "include/ylt",
+        "include/ylt/thirdparty",
+        "src/include",
+    ],
+    linkopts = ["-lpthread"],
+    deps = [":ylt"],
+)
+
+cc_binary(
+    name = "coro_http_chat_room",
+    srcs = ["src/coro_http/examples/chat_room.cpp"],
+    copts = YA_BIN_COPT,
+    includes = [
+        "include",
+        "include/ylt",
+        "include/ylt/thirdparty",
+        "src/include",
+    ],
+    linkopts = ["-lpthread"],
+    deps = [":ylt"],
+)

README.md

@@ -64,6 +64,15 @@ cd build
 cmake ..
 cmake --build . --config debug # add -j, if you have enough memory to parallel compile
 ctest . # run tests
+
+```
+
+- Build in bazel:
+```shell
+bazel build ylt # Please make sure bazel in you bin path.
+bazel build coro_http_example # Or replace in anyone you want to build and test.
+# Actually you might take it in other project in prefix @com_alibaba_yalangtinglibs, like
+bazel build @com_alibaba_yalangtinglibs://ylt
 ```
 
 You can see the test/example/benchmark executable file in `./build/output/`.

WORKSPACE

@@ -0,0 +1 @@
+workspace(name = "com_alibaba_yalantinglibs")

bazel/defs.bzl

@@ -0,0 +1,15 @@
+YA_LT_COPT = [
+    "-fno-tree-slp-vectorize",  # -ftree-slp-vectorize with coroutine cause link error. disable it util gcc fix.
+]
+
+YA_BIN_COPT = [
+    "-fno-tree-slp-vectorize",  # -ftree-slp-vectorize with coroutine cause link error. disable it util gcc fix.
+    "-Wno-unused-but-set-variable",
+    "-Wno-unused-value",
+    "-Wno-unused-variable",
+    "-Wno-sign-compare",
+    "-Wno-reorder",
+    "-Wno-unused-local-typedefs",
+    "-Wno-missing-braces",
+    "-Wno-uninitialized",
+]

include/ylt/struct_pack/util.h

@@ -186,25 +186,36 @@ void string_set_length_hacker(std::string &, std::size_t);
 template <typename ch>
 inline void resize(std::basic_string<ch> &raw_str, std::size_t sz) {
   std::string &str = *reinterpret_cast<std::string *>(&raw_str);
+#if defined(_GLIBCXX_USE_CXX11_ABI)
+  constexpr bool is_use_cxx11_abi = _GLIBCXX_USE_CXX11_ABI;
+#else
+  constexpr bool is_use_cxx11_abi = true;
+#endif
+  if constexpr (std::is_same_v<ch, char> == false &&
+                is_use_cxx11_abi == false) {
+    raw_str.resize(sz);
+  }
+  else {
 #if defined(__SANITIZE_ADDRESS__) ||              \
     struct_pack_has_feature(address_sanitizer) || \
     (!defined(NDEBUG) && defined(_MSVC_STL_VERSION))
-  raw_str.resize(sz);
+    raw_str.resize(sz);
 #elif defined(__GLIBCXX__) || defined(_LIBCPP_VERSION) || \
     defined(_MSVC_STL_VERSION)
-  if constexpr (is_string_reserve_shrink) {
-    if (sz > raw_str.capacity()) {
+    if constexpr (is_string_reserve_shrink) {
+      if (sz > raw_str.capacity()) {
+        str.reserve(sz * sizeof(ch));
+      }
+    }
+    else {
       str.reserve(sz * sizeof(ch));
     }
-  }
-  else {
-    str.reserve(sz * sizeof(ch));
-  }
-  string_set_length_hacker(str, sz);
-  for (auto i = sz; i < sz + sizeof(ch); ++i) str[i] = '\0';
+    string_set_length_hacker(str, sz);
+    for (auto i = sz; i < sz + sizeof(ch); ++i) str[i] = '\0';
 #else
-  raw_str.resize(sz);
+    raw_str.resize(sz);
 #endif
+  }
 }
 
 #endif

src/coro_rpc/examples/file_transfer/BUILD.bazel

@@ -1,14 +1,15 @@
+load("//bazel:defs.bzl", "YA_BIN_COPT")
+
 cc_binary(
     name = "file_client",
     srcs =
         [
             "file_client.cpp",
-            "rpc_service.h"
+            "rpc_service.h",
         ],
     copts = [
-        "-std=c++20",
         "-Isrc/coro_rpc/examples/file_transfer",
-    ],
+    ] + YA_BIN_COPT,
     deps = ["//:ylt"],
 )
 
@@ -18,11 +19,10 @@ cc_binary(
         [
             "file_server.cpp",
             "rpc_service.cpp",
-            "rpc_service.h"
+            "rpc_service.h",
         ],
     copts = [
-        "-std=c++20",
         "-Isrc/coro_rpc/examples/file_transfer",
-    ],
+    ] + YA_BIN_COPT,
     deps = ["//:ylt"],
 )

src/struct_pack/examples/BUILD.bazel

@@ -1,10 +1,18 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library")
+load("//bazel:defs.bzl", "YA_BIN_COPT", "YA_LT_COPT")
 
 cc_binary(
     name = "serialize_example",
-    srcs = ["basic_usage.cpp","main.cpp","non_aggregated_type.cpp","serialize_config.cpp","user_defined_serialization.cpp","derived_class.cpp"],
-    copts = ["-std=c++20"],
+    srcs = [
+        "basic_usage.cpp",
+        "derived_class.cpp",
+        "main.cpp",
+        "non_aggregated_type.cpp",
+        "serialize_config.cpp",
+        "user_defined_serialization.cpp",
+    ],
+    copts = YA_BIN_COPT,
     deps = [
-        "//:ylt"
+        "//:ylt",
     ],
 )

src/struct_pack/tests/BUILD.bazel

@@ -1,15 +1,16 @@
 load("@rules_cc//cc:defs.bzl", "cc_test")
+load("//bazel:defs.bzl", "YA_BIN_COPT")
 
 cc_test(
     name = "test_serialize",
-    srcs = glob(["*.cpp"]) + ["test_struct.hpp"]+["test_derived.hpp"],
-    copts = ["-std=c++20"],
-    defines = ["STRUCT_PACK_ENABLE_UNPORTABLE_TYPE"],
-    deps = [
-        "//:ylt"
-    ],
+    srcs = glob(["*.cpp"]) + ["test_struct.hpp"] + ["test_derived.hpp"],
+    copts = YA_BIN_COPT,
     data = [
         "//src/struct_pack/tests/binary_data:test_cross_platform.dat",
-        "//src/struct_pack/tests/binary_data:test_cross_platform_without_debug_info.dat"
+        "//src/struct_pack/tests/binary_data:test_cross_platform_without_debug_info.dat",
+    ],
+    defines = ["STRUCT_PACK_ENABLE_UNPORTABLE_TYPE"],
+    deps = [
+        "//:ylt",
     ],
 )