Can combine D and C++ in a single target. Closes #3125.

5 files changed, 34 insertions, 0 deletions

diff --git a/test cases/d/10 d cpp/cppmain.cpp b/test cases/d/10 d cpp/cppmain.cpp
new file mode 100644
index 0000000..aeddf56
--- /dev/null
+++ b/test cases/d/10 d cpp/cppmain.cpp
@@ -0,0 +1,6 @@
+extern void print_hello(int i);
+
+int main(int, char**) {
+    print_hello(1);
+    return 0;
+}
diff --git a/test cases/d/10 d cpp/dmain.d b/test cases/d/10 d cpp/dmain.d
new file mode 100644
index 0000000..bece25f
--- /dev/null
+++ b/test cases/d/10 d cpp/dmain.d
@@ -0,0 +1,5 @@
+extern (C++) void print_hello(int i);
+
+void main() {
+    print_hello(1);
+}
diff --git a/test cases/d/10 d cpp/libfile.cpp b/test cases/d/10 d cpp/libfile.cpp
new file mode 100644
index 0000000..2ea67fc
--- /dev/null
+++ b/test cases/d/10 d cpp/libfile.cpp
@@ -0,0 +1,5 @@
+#include<iostream>
+
+void print_hello(int i) {
+    std::cout << "Hello. Here is a number printed with C++: " << i << ".\n";
+}
diff --git a/test cases/d/10 d cpp/libfile.d b/test cases/d/10 d cpp/libfile.d
new file mode 100644
index 0000000..88cb53e
--- /dev/null
+++ b/test cases/d/10 d cpp/libfile.d
@@ -0,0 +1,5 @@
+import std.stdio;
+
+extern (C++) void print_hello(int i) {
+    writefln("Hello. Here is a number printed with D: %d", i);
+}
diff --git a/test cases/d/10 d cpp/meson.build b/test cases/d/10 d cpp/meson.build
new file mode 100644
index 0000000..eecb151
--- /dev/null
+++ b/test cases/d/10 d cpp/meson.build
@@ -0,0 +1,13 @@
+project('d and c++', 'd', 'cpp')
+
+cpp = meson.get_compiler('cpp')
+
+if cpp.get_id() == 'clang'
+  error('MESON_SKIP_TEST combining Clang C++ with GDC produces broken executables.')
+endif
+
+e1 = executable('dcpp', 'dmain.d', 'libfile.cpp')
+test('dcpp', e1)
+
+e2 = executable('cppd', 'cppmain.cpp', 'libfile.d')
+test('cppd', e2)