Creating bazel toolchain to crosscompile with

toolchain/BUILD

diff --git a/toolchain/BUILD b/toolchain/BUILD
new file mode 100644
index 0000000..46336fd
--- /dev/null
+++ b/toolchain/BUILD
@@ -0,0 +1,90 @@
+load(":cc_toolchain_config.bzl", "cc_toolchain_config")
+package(default_visibility = ["//visibility:public"])
+
+filegroup(name = "empty")
+
+
+cc_toolchain_suite(
+    name = "clang_suite",
+    toolchains = {
+        "aarch64": ":cc-compiler-aarch64",
+        "ppcle": "cc-compiler-ppcle",
+        "s390x": ":cc-compiler-s390x",
+        "x86_32": ":cc-compiler-x86_32",
+        "x86_64": ":cc-compiler-x86_64",
+    },
+)
+
+CC_TOOLCHAIN_CPUS = [
+    "aarch64",
+    "ppcle",
+    "s390x",
+    "x86_32",
+    "x86_64",
+]
+
+[
+    cc_toolchain(
+        name = "cc-compiler-" + cpu,
+        all_files = ":empty",
+        compiler_files = ":empty",
+        dwp_files = ":empty",
+        dynamic_runtime_lib = ":empty",
+        linker_files = ":empty",
+        objcopy_files = ":empty",
+        output_licenses = ["restricted"],
+        static_runtime_lib = ":empty",
+        strip_files = ":empty",
+        toolchain_config = ":" + cpu + "-config",
+        toolchain_identifier = "linux_" + cpu,
+    )
+    for cpu in CC_TOOLCHAIN_CPUS
+]
+
+cc_toolchain_config(
+    name = "aarch64-config",
+    bit_flag = "-m64",
+    include_flag = "-I/usr/aarch64-linux-gnu/include/c++/10/aarch64-linux-gnu/",
+    target_cpu = "aarch64",
+    target_full_name = "aarch64-linux-gnu",
+    toolchain_dir = "/usr/aarch64-linux-gnu/include",
+    toolchain_name = "linux_aarch64",
+)
+
+cc_toolchain_config(
+    name = "ppcle-config",
+    bit_flag = "-m64",
+    include_flag = "-I/usr/powerpc64le-linux-gnu/include/c++/10/powerpc64le-linux-gnu/",
+    target_cpu = "ppc64",
+    target_full_name = "powerpc64le-linux-gnu",
+    toolchain_dir = "/usr/powerpc64le-linux-gnu/include",
+    toolchain_name = "linux_ppcle",
+)
+
+cc_toolchain_config(
+    name = "s390x-config",
+    bit_flag = "-m64",
+    include_flag = "-I/usr/s390x-linux-gnu/include/c++/10/s390x-linux-gnu/",
+    target_cpu = "systemz",
+    target_full_name = "s390x-linux-gnu",
+    toolchain_dir = "/usr/s390x-linux-gnu/include",
+    toolchain_name = "linux_s390x",
+)
+
+cc_toolchain_config(
+    name = "x86_32-config",
+    bit_flag = "-m32",
+    target_cpu = "x86_32",
+    target_full_name = "i386-linux-gnu",
+    toolchain_dir = "/usr/include/x86_32-linux-gnu",
+    toolchain_name = "linux_x86_32",
+)
+
+cc_toolchain_config(
+    name = "x86_64-config",
+    bit_flag = "-m64",
+    target_cpu = "x86_64",
+    target_full_name = "x86_64-linux-gnu",
+    toolchain_dir = "/usr/include/x86_64-linux-gnu",
+    toolchain_name = "linux_x86_64",
+)