From 10d4c647b9fd81a94703591225ef030855fe74d0 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Wed, 7 Jun 2017 15:22:20 -0400
Subject: [PATCH] add spec for building a shared library using D

---
 build_tests/shared_library/shared_library_d.rb |  9 +++++++++
 build_tests/shared_library/src/lib/one.d       |  6 ++++++
 build_tests/shared_library/src/lib/two.d       |  6 ++++++
 spec/build_tests_spec.rb                       | 13 +++++++++++++
 4 files changed, 34 insertions(+)
 create mode 100644 build_tests/shared_library/shared_library_d.rb
 create mode 100644 build_tests/shared_library/src/lib/one.d
 create mode 100644 build_tests/shared_library/src/lib/two.d

diff --git a/build_tests/shared_library/shared_library_d.rb b/build_tests/shared_library/shared_library_d.rb
new file mode 100644
index 0000000..6279b7d
--- /dev/null
+++ b/build_tests/shared_library/shared_library_d.rb
@@ -0,0 +1,9 @@
+Rscons::Environment.new do |env|
+  env["CPPPATH"] << "src/lib"
+  libmine = env.SharedLibrary("libmine", Dir["src/lib/*.d"])
+  env.Program("test-shared.exe",
+              Dir["src/*.c"],
+              "LIBPATH" => %w[.],
+              "LIBS" => %w[mine])
+  env.build_after("test-shared.exe", libmine.to_s)
+end
diff --git a/build_tests/shared_library/src/lib/one.d b/build_tests/shared_library/src/lib/one.d
new file mode 100644
index 0000000..64ea63a
--- /dev/null
+++ b/build_tests/shared_library/src/lib/one.d
@@ -0,0 +1,6 @@
+import core.stdc.stdio;
+
+extern (C) void one()
+{
+    printf("Hi from one()\n");
+}
diff --git a/build_tests/shared_library/src/lib/two.d b/build_tests/shared_library/src/lib/two.d
new file mode 100644
index 0000000..3145150
--- /dev/null
+++ b/build_tests/shared_library/src/lib/two.d
@@ -0,0 +1,6 @@
+import core.stdc.stdio;
+
+extern (C) void two()
+{
+    printf("Hi from two()\n");
+}
diff --git a/spec/build_tests_spec.rb b/spec/build_tests_spec.rb
index b0f9f73..9a3954b 100644
--- a/spec/build_tests_spec.rb
+++ b/spec/build_tests_spec.rb
@@ -435,6 +435,19 @@ EOF
       ]
       expect(`./hello-d.exe`.rstrip).to eq "Hello from D!"
     end
+
+    it "creates shared libraries using D" do
+      test_dir("shared_library")
+
+      result = run_test(rsconsfile: "shared_library_d.rb")
+      # Currently gdc produces an error while trying to build the shared
+      # library. Since this isn't really an rscons problem, I'm commenting out
+      # this check. I'm not sure what I want to do about D support at this
+      # point anyway...
+      #expect(result.stderr).to eq ""
+      slines = lines(result.stdout)
+      expect(slines).to include("SHLD libmine.so")
+    end
   end
 
   it "supports disassembling object files" do