linux support

.bazelrc

@@ -1,14 +1,15 @@
-# Building on non-windows with not clang-cl is not supported at this time
-# See issue: https://github.com/zaucy/ZoneControl/issues/82
-build --compiler=clang-cl
-build --cxxopt=-fcolor-diagnostics
-build --cxxopt=-fansi-escape-codes
-build --cxxopt=/D_HAS_DEPRECATED_RESULT_OF=1
-build --cxxopt=-Xclang
+common --enable_platform_specific_config
+
 build --cxxopt=-std=c++20
-build --cxxopt=/Zc:__cplusplus
+build --cxxopt=-Wno-macro-redefined # Suppress a boost warning
 
-build --compilation_mode=opt
+build:windows --compiler=clang-cl
+build:windows --cxxopt=-fcolor-diagnostics
+build:windows --cxxopt=-fansi-escape-codes
+build:windows --cxxopt=/D_HAS_DEPRECATED_RESULT_OF=1
+build:windows --cxxopt=-Xclang
+build:windows --cxxopt=/Zc:__cplusplus
+build:windows --copt=/experimental:preprocessor
+build:windows --host_copt=/experimental:preprocessor
 
-# For boost, because it's really annoying.
-build --cxxopt=-Wno-macro-redefined
+build:linux --crosstool_top=@llvm_toolchain//:toolchain

WORKSPACE

@@ -48,3 +48,24 @@ http_archive(
 
 load("@com_github_zaucy_rules_7zip//:setup.bzl", "setup_7zip")
 setup_7zip()
+
+http_archive(
+    name = "com_grail_bazel_toolchain",
+    strip_prefix = "bazel-toolchain-master",
+    urls = ["https://github.com/grailbio/bazel-toolchain/archive/master.tar.gz"],
+)
+
+load("@com_grail_bazel_toolchain//toolchain:deps.bzl", "bazel_toolchain_dependencies")
+
+bazel_toolchain_dependencies()
+
+load("@com_grail_bazel_toolchain//toolchain:rules.bzl", "llvm_toolchain")
+
+llvm_toolchain(
+    name = "llvm_toolchain",
+    llvm_version = "11.0.0",
+)
+
+load("@llvm_toolchain//:toolchains.bzl", "llvm_register_toolchains")
+
+llvm_register_toolchains()