diff --git a/BUILD b/BUILD
new file mode 100644
index 0000000..315d32e
--- /dev/null
+++ b/BUILD
@@ -0,0 +1,73 @@
+load("@bazel_skylib//rules:expand_template.bzl", "expand_template")
+
+cc_library(
+    name = "modbus",
+    srcs = glob(["src/*.c"]) + [
+        ":generate_config_h",
+        ":generate_modbus_version_h",
+    ],
+    hdrs = glob(["src/*.h"]),
+    copts = ["-DHAVE_CONFIG_H", "-DHAVE_NETINET_IP_H=1"],
+    includes = ["src"],
+    include_prefix = "libmodbus",
+    visibility = ["//visibility:public"],
+)
+
+alias(
+    name = "libmodbus",
+    actual = ":modbus",
+)
+
+cc_library(
+    name = "modbus_headers",
+    hdrs = [
+        "src/modbus.h",
+        "src/modbus-rtu.h",
+        "src/modbus-tcp.h",
+        "src/modbus-version.h",
+    ],
+    includes = ["src"],
+    include_prefix = "libmodbus",
+    visibility = ["//visibility:public"],
+)
+
+cc_shared_library(
+    name = "modbus_shared",
+    additional_linker_inputs = [
+        ":modbus-versionscript.lds",
+    ],
+    user_link_flags = [
+        # Linker script to hide non-modbus symbols.
+        "-Wl,--version-script",
+        "$(location modbus-versionscript.lds)",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":modbus",
+    ],
+)
+
+expand_template(
+    name = "generate_modbus_version_h",
+    out = "src/modbus-version.h",
+    substitutions = {
+        "@LIBMODBUS_VERSION_MAJOR@": "3",
+        "@LIBMODBUS_VERSION_MINOR@": "1",
+        "@LIBMODBUS_VERSION_MICRO@": "11",
+        "@LIBMODBUS_VERSION@": "3.1.11",
+    },
+    template = "src/modbus-version.h.in",
+)
+
+genrule(
+    name = "generate_config_h",
+    outs = ["src/config.h"],
+    cmd = """cat > $@ <<EOF
+#define HAVE_DECL_TIOCM_RTS 1
+#define HAVE_DECL_TIOCSRS485 1
+#undef HAVE_ACCEPT4
+#undef HAVE_GAI_STRERROR
+#define HAVE_NETINET_IN_H 1
+#define HAVE_NETINET_IP_H 1
+""",
+)