Migrate bazel build setup to use bzlmod (#176)

Signed-off-by: Shameek Ganguly <shameek@intrinsic.ai>

Author: shameekganguly

.bazelrc

@@ -0,0 +1,12 @@
+common --enable_bzlmod
+common --lockfile_mode=off
+
+# Add C++17 compiler flags.
+build --cxxopt=-std=c++17
+build --host_cxxopt=-std=c++17
+
+build --force_pic
+build --strip=never
+build --strict_system_includes
+build --fission=dbg
+build --features=per_object_debug_info

.bazelversion

@@ -0,0 +1 @@
+7.3.1

.gitignore

@@ -5,3 +5,6 @@ build_*
 # OS generated files
 .DS_Store
 *.swp
+
+# Bazel generated files
+bazel-*

BUILD.bazel

@@ -1,30 +1,33 @@
-load(
-    "@gz//bazel/skylark:build_defs.bzl",
-    "GZ_ROOT",
-    "GZ_VISIBILITY",
-    "gz_configure_header",
-    "gz_export_header",
-    "gz_include_header",
-)
+load("@rules_gazebo//gazebo:headers.bzl", "gz_configure_header", "gz_export_header")
+load("@rules_license//rules:license.bzl", "license")
 
 package(
-    default_visibility = GZ_VISIBILITY,
+    default_applicable_licenses = [":license"],
+    features = [
+        "layering_check",
+        "parse_headers",
+    ],
+)
+
+license(
+    name = "license",
+    package_name = "gz-plugin",
 )
 
-licenses(["notice"])  # Apache-2.0
+licenses(["notice"])
 
 gz_configure_header(
-    name = "config",
+    name = "Config",
     src = "core/include/gz/plugin/config.hh.in",
-    cmakelists = ["CMakeLists.txt"],
-    package = "plugin",
+    out = "core/include/gz/plugin/config.hh",
+    package_xml = "package.xml",
 )
 
 gz_export_header(
-    name = "core/include/gz/plugin/Export.hh",
+    name = "Export",
+    out = "core/include/gz/plugin/Export.hh",
     export_base = "GZ_PLUGIN",
     lib_name = "gz-plugin",
-    visibility = ["//visibility:private"],
 )
 
 public_headers_no_gen = glob([
@@ -37,28 +40,19 @@ sources = glob(
     exclude = ["core/src/*_TEST.cc"],
 )
 
-gz_include_header(
-    name = "pluginhh_genrule",
-    out = "core/include/gz/plugin.hh",
-    hdrs = public_headers_no_gen + [
-        "core/include/gz/plugin/Export.hh",
-        "core/include/gz/plugin/config.hh",
-    ],
-)
-
 public_headers = public_headers_no_gen + [
     "core/include/gz/plugin/config.hh",
     "core/include/gz/plugin/Export.hh",
-    "core/include/gz/plugin.hh",
 ]
 
 cc_library(
     name = "core",
     srcs = sources,
     hdrs = public_headers,
     includes = ["core/include"],
+    visibility = ["//visibility:public"],
     deps = [
-        GZ_ROOT + "utils",
+        "@gz-utils",
     ],
 )
 
@@ -67,8 +61,7 @@ cc_library(
     srcs = [src],
     deps = [
         ":core",
-        "@gtest",
-        "@gtest//:gtest_main",
+        "@googletest//:gtest_main",
     ],
 ) for src in glob(
     [
@@ -89,17 +82,18 @@ cc_library(
     includes = [
         "register/include",
     ],
+    visibility = ["//visibility:public"],
     deps = [
         ":core",
         ":loader",
     ],
 )
 
 gz_export_header(
-    name = "loader/include/gz/plugin/loader/Export.hh",
+    name = "loader_export",
+    out = "loader/include/gz/plugin/loader/Export.hh",
     export_base = "GZ_PLUGIN_LOADER",
     lib_name = "gz-plugin-loader",
-    visibility = ["//visibility:private"],
 )
 
 cc_library(
@@ -117,26 +111,25 @@ cc_library(
         "loader/include/gz/plugin/loader/Export.hh",
     ],
     includes = ["loader/include"],
+    visibility = ["//visibility:public"],
     deps = [
         ":core",
-        GZ_ROOT + "utils",
+        "@gz-utils",
     ],
 )
 
 cc_test(
     name = "Loader_TEST",
     srcs = [
         "loader/src/Loader_TEST.cc",
-        ":config",
     ],
     defines = [
-        'GzDummyPlugins_LIB=\\"./plugin/test/libGzDummyPlugins.so\\"',
+        'GzDummyPlugins_LIB=\\"./test/libGzDummyPlugins.so\\"',
     ],
     deps = [
         ":core",
         ":loader",
-        GZ_ROOT + "plugin/test:test_plugins",
-        "@gtest",
-        "@gtest//:gtest_main",
+        "//test:test_plugins",
+        "@googletest//:gtest_main",
     ],
 )

MODULE.bazel

@@ -0,0 +1,18 @@
+## MODULE.bazel
+module(
+    name = "gz-plugin",
+    repo_name = "org_gazebosim_gz-plugin",
+)
+
+bazel_dep(name = "googletest", version = "1.14.0")
+bazel_dep(name = "rules_license", version = "1.0.0")
+
+# Gazebo Dependencies
+bazel_dep(name = "rules_gazebo", version = "0.0.2")
+bazel_dep(name = "gz-utils")
+
+archive_override(
+    module_name = "gz-utils",
+    strip_prefix = "gz-utils-gz-utils3",
+    urls = ["https://github.com/gazebosim/gz-utils/archive/refs/heads/gz-utils3.tar.gz"],
+)

test/BUILD.bazel

@@ -1,7 +1,9 @@
-load(
-    "@gz//bazel/skylark:build_defs.bzl",
-    "GZ_ROOT",
-    "GZ_VISIBILITY",
+package(
+    default_applicable_licenses = ["//:license"],
+    features = [
+        "layering_check",
+        "parse_headers",
+    ],
 )
 
 cc_library(
@@ -26,7 +28,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -39,7 +41,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -52,7 +54,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -65,7 +67,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -78,7 +80,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -91,7 +93,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -104,7 +106,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -118,7 +120,7 @@ cc_binary(
     linkshared = 1,
     deps = [
         ":test_plugins_core",
-        GZ_ROOT + "plugin:register",
+        "//:register",
     ],
 )
 
@@ -136,16 +138,16 @@ cc_library(
         ":libGzTemplatedPlugins.so",
     ],
     defines = [
-        'GzDummyPlugins_LIB=\\"./plugin/test/libGzDummyPlugins.so\\"',
-        'GzFactoryPlugins_LIB=\\"./plugin/test/libGzFactoryPlugins.so\\"',
-        'GzTemplatedPlugins_LIB=\\"./plugin/test/libGzTemplatedPlugins.so\\"',
-        'GzBadPluginAlign_LIB=\\"./plugin/test/lbGzBadPluginAlign.so\\"',
-        'GzBadPluginNoInfo_LIB=\\"./plugin/test/lbGzBadPluginNoInfo.so\\"',
-        'GzBadPluginSize_LIB=\\"./plugin/test/lbGzBadPluginSize.so\\"',
-        'GzBadPluginAPIVersionOld_LIB=\\"./plugin/test/lbGzBadPluginAPIVersionOld.so\\"',
-        'GzBadPluginAPIVersionNew_LIB=\\"./plugin/test/lbGzBadPluginAPIVersionNew.so\\"',
-    ],
-    visibility = GZ_VISIBILITY,
+        'GzDummyPlugins_LIB=\\"./test/libGzDummyPlugins.so\\"',
+        'GzFactoryPlugins_LIB=\\"./test/libGzFactoryPlugins.so\\"',
+        'GzTemplatedPlugins_LIB=\\"./test/libGzTemplatedPlugins.so\\"',
+        'GzBadPluginAlign_LIB=\\"./test/lbGzBadPluginAlign.so\\"',
+        'GzBadPluginNoInfo_LIB=\\"./test/lbGzBadPluginNoInfo.so\\"',
+        'GzBadPluginSize_LIB=\\"./test/lbGzBadPluginSize.so\\"',
+        'GzBadPluginAPIVersionOld_LIB=\\"./test/lbGzBadPluginAPIVersionOld.so\\"',
+        'GzBadPluginAPIVersionNew_LIB=\\"./test/lbGzBadPluginAPIVersionNew.so\\"',
+    ],
+    visibility = ["//:__subpackages__"],
     deps = [
         ":test_plugins_core",
     ],
@@ -156,8 +158,8 @@ cc_test(
     srcs = ["integration/aliases.cc"],
     deps = [
         ":test_plugins",
-        GZ_ROOT + "plugin:loader",
-        "@gtest//:gtest_main",
+        "//:loader",
+        "@googletest//:gtest_main",
     ],
 )
 
@@ -169,8 +171,8 @@ cc_test(
     ],
     deps = [
         ":test_plugins",
-        GZ_ROOT + "plugin:loader",
-        "@gtest//:gtest_main",
+        "//:loader",
+        "@googletest//:gtest_main",
     ],
 )
 
@@ -182,8 +184,8 @@ cc_test(
     ],
     deps = [
         ":test_plugins",
-        GZ_ROOT + "plugin:loader",
-        "@gtest//:gtest_main",
+        "//:loader",
+        "@googletest//:gtest_main",
     ],
 )
 
@@ -195,8 +197,8 @@ cc_test(
     ],
     deps = [
         ":test_plugins",
-        GZ_ROOT + "plugin:loader",
-        "@gtest//:gtest_main",
+        "//:loader",
+        "@googletest//:gtest_main",
     ],
 )
 
@@ -208,8 +210,8 @@ cc_test(
     ],
     deps = [
         ":test_plugins",
-        GZ_ROOT + "plugin:loader",
-        "@gtest//:gtest_main",
+        "//:loader",
+        "@googletest//:gtest_main",
     ],
 )
 
@@ -221,7 +223,7 @@ cc_test(
     ],
     deps = [
         ":test_plugins",
-        GZ_ROOT + "plugin:loader",
-        "@gtest//:gtest_main",
+        "//:loader",
+        "@googletest//:gtest_main",
     ],
 )