From 568b78e2e21d85dd2a5e699304d22e5a429f6692 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Tue, 9 Apr 2019 19:52:25 -0400
Subject: [PATCH] test tracking object file source language - #87

---
 build_tests/d/link_objects.rb         |  7 +++++++
 build_tests/simple_cc/link_objects.rb |  6 ++++++
 spec/build_tests_spec.rb              | 17 +++++++++++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 build_tests/d/link_objects.rb
 create mode 100644 build_tests/simple_cc/link_objects.rb

diff --git a/build_tests/d/link_objects.rb b/build_tests/d/link_objects.rb
new file mode 100644
index 0000000..0b8178b
--- /dev/null
+++ b/build_tests/d/link_objects.rb
@@ -0,0 +1,7 @@
+build do
+  Environment.new(echo: :command) do |env|
+    env.Object("main.o", "main.d")
+    env.Object("mod.o", "mod.d")
+    env.Program("hello-d.exe", ["main.o", "mod.o"])
+  end
+end
diff --git a/build_tests/simple_cc/link_objects.rb b/build_tests/simple_cc/link_objects.rb
new file mode 100644
index 0000000..9173eba
--- /dev/null
+++ b/build_tests/simple_cc/link_objects.rb
@@ -0,0 +1,6 @@
+build do
+  Environment.new do |env|
+    env.Object("simple.o", "simple.cc")
+    env.Program("simple.exe", "simple.o")
+  end
+end
diff --git a/spec/build_tests_spec.rb b/spec/build_tests_spec.rb
index 1cca24c..476186a 100644
--- a/spec/build_tests_spec.rb
+++ b/spec/build_tests_spec.rb
@@ -395,6 +395,14 @@ EOF
     expect(`./simple.exe`).to eq "This is a simple C++ program\n"
   end
 
+  it "links with the C++ linker when object files were built from C++ sources" do
+    test_dir("simple_cc")
+    result = run_rscons(rsconscript: "link_objects.rb")
+    expect(result.stderr).to eq ""
+    expect(File.exists?("simple.o")).to be_truthy
+    expect(`./simple.exe`).to eq "This is a simple C++ program\n"
+  end
+
   it 'allows overriding construction variables for individual builder calls' do
     test_dir('two_sources')
     result = run_rscons
@@ -484,6 +492,15 @@ EOF
       expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
     end
 
+    it "links with the D linker when object files were built from D sources" do
+      test_dir("d")
+      result = run_rscons(rsconscript: "link_objects.rb")
+      expect(result.stderr).to eq ""
+      expect(File.exists?("main.o")).to be_truthy
+      expect(File.exists?("mod.o")).to be_truthy
+      expect(`./hello-d.exe`.rstrip).to eq "Hello from D, value is 42!"
+    end
+
     it "does dependency generation for D sources" do
       test_dir("d")
       result = run_rscons