Add Bazel support

Author: Vertexwahn

.bazelrc

@@ -0,0 +1 @@
+common --enable_bzlmod

.bazelversion

@@ -0,0 +1 @@
+6.4.0

BUILD.bazel

@@ -0,0 +1,6 @@
+cc_library(
+    name = "xtl",
+    hdrs = glob(["include/**"]),
+    strip_include_prefix = "include",
+    visibility = ["//visibility:public"],
+)

MODULE.bazel

@@ -0,0 +1,9 @@
+module(
+    name = "xtl",
+)
+
+bazel_dep(
+    name = "doctest",
+    version = "2.4.11",
+    dev_dependency = True,
+)

test/BUILD.bazel

@@ -0,0 +1,36 @@
+cc_test(
+    name = "test_xbase64",
+    srcs = [
+        "test_common_macros.hpp",
+        "test_xbase64.cpp",
+    ],
+    deps = [
+        "//:xtl",
+        "@doctest//doctest:main",
+    ],
+)
+
+cc_test(
+    name = "test_xbasic_fixed_string",
+    srcs = [
+        "test_common_macros.hpp",
+        "test_xbasic_fixed_string.cpp",
+    ],
+    deps = [
+        "//:xtl",
+        "@doctest//doctest:main",
+    ],
+)
+
+cc_test(
+    name = "test_xcomplex",
+    srcs = [
+        "test_common_macros.hpp",
+        "test_xcomplex.cpp",
+    ],
+    deps = [
+        "//:xtl",
+        "@doctest//doctest:main",
+    ],
+)
+

test/CMakeLists.txt

@@ -85,10 +85,10 @@ find_package(Threads)
 set(XTL_TESTS
     test_xbase64.cpp
     test_xbasic_fixed_string.cpp
-    test_xcomplex.cpp
+    test_xclosure.cpp
     test_xcompare.cpp
     test_xcomplex_sequence.cpp
-    test_xclosure.cpp
+    test_xcomplex.cpp
     test_xdynamic_bitset.cpp
     test_xfunctional.cpp
     test_xhalf_float.cpp
@@ -99,11 +99,11 @@ set(XTL_TESTS
     test_xmeta_utils.cpp
     test_xmultimethods.cpp
     test_xoptional.cpp
-    test_xsequence.cpp
-    test_xtype_traits.cpp
     test_xplatform.cpp
     test_xproxy_wrapper.cpp
+    test_xsequence.cpp
     test_xsystem.cpp
+    test_xtype_traits.cpp
     test_xvariant.cpp
     test_xvisitor.cpp
 )