fix: bin postfix for shared library targets

- fix: use `dylib` postfix for shared library outputs on mac
- fix: use `so` postfix for shared library outputs on linux
- fix: consolidate bin postfix `exe` with new behavior
- test: add integration test for shared libs on all platforms

Closes: #216
Signed-off-by: Sam Gammon <sam@elide.ventures>

.github/workflows/module.build.yml

@@ -259,6 +259,14 @@ jobs:
             labs: false
             skip: false
 
+          # Test: Shared Library
+          - label: Shared Library
+            target: sample
+            action: build
+            directory: "./example/integration_tests/shared-lib"
+            labs: false
+            skip: false
+
           # Test: Maven Artifacts
           - label: Maven Artifacts
             target: sample

example/integration_tests/shared-lib/.bazelrc

@@ -0,0 +1 @@
+build --enable_bzlmod

example/integration_tests/shared-lib/.bazelversion

@@ -0,0 +1 @@
+7.0.0-pre.20230816.3

example/integration_tests/shared-lib/MODULE.bazel

@@ -0,0 +1,35 @@
+"Sample bzlmod-style project which uses the GraalVM Rules for Bazel."
+
+module(
+    name = "rules_graalvm_bzlmod_sample",
+    version = "0.0.1",
+)
+
+bazel_dep(
+    name = "rules_java",
+    version = "6.4.0",
+)
+bazel_dep(
+    name = "rules_graalvm",
+    version = "0.0.0",
+)
+local_path_override(
+    module_name = "rules_graalvm",
+    path = "../../..",
+)
+
+gvm = use_extension("@rules_graalvm//:extensions.bzl", "graalvm")
+gvm.graalvm(
+    name = "graalvm",
+    distribution = "ce",
+    java_version = "20",
+    version = "20.0.2",
+)
+use_repo(
+    gvm,
+    "graalvm",
+)
+
+register_toolchains("@graalvm//:jvm")
+
+register_toolchains("@graalvm//:sdk")