[add tests]

.github/workflows/main.yml

@@ -98,7 +98,7 @@ jobs:
           # FIXME: DMD fails a few tests on Windows; remove them for now
           if [[ '${{ matrix.dc }}' = dmd* ]]; then
             # DLL support is lacking
-            rm -rf test/{1-dynLib-simple,2-dynLib-dep,2-dynLib-with-staticLib-dep}
+            rm -rf test/{1-dynLib-simple,2-dynLib-dep,2-dynLib-with-staticLib-dep,dynLib-monolith}
             # Unicode in paths too
             rm -rf test/issue130-unicode-СНА*
             # ImportC probably requires set-up MSVC environment variables

test/dynLib-monolith.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+DIR=$(dirname "${BASH_SOURCE[0]}")
+. "$DIR"/common.sh
+
+if [[ "$DC" != ldc* ]]; then
+    echo "Skipping test, needs LDC"
+    exit 0
+fi
+
+# enforce a full build (2 static libs, 1 dynamic one) and collect -v output
+output=$("$DUB" build -v -f --root "$DIR"/dynLib-monolith)
+
+if [[ $(grep -c -- '-fvisibility=hidden' <<<"$output") -ne 3 ]]; then
+    die $LINENO "Didn't find 3 occurrences of '-fvisibility=hidden' in the verbose dub output!" "$output"
+fi

test/dynLib-monolith/dub.sdl

@@ -0,0 +1,15 @@
+name "dynlib-monolith"
+description "A 'monolithic' dynamic library, linking all dependencies statically (except for shared druntime/Phobos) and exporting select symbols explicitly via 'export'"
+targetType "dynamicLibrary"
+dependency "inner_dep" path="inner_dep"
+
+# With LDC, `-fvisibility=hidden` is passed down for compiling all dependencies.
+dflags "-fvisibility=hidden" platform="ldc"
+dflags "-fvisibility=hidden" platform="gdc"
+# not supported by DMD
+
+# With LDC on Windows, code ending up in a DLL is compiled with
+# `-fvisibility=public -dllimport=all` by default. So we additionally need
+# to override `-dllimport` to use the shared druntime/Phobos DLLs (used by
+# default for dynamic libraries), which is also passed down to all deps:
+dflags "-dllimport=defaultLibsOnly" platform="windows-ldc"

test/dynLib-monolith/inner_dep/dub.sdl

@@ -0,0 +1,4 @@
+name "inner_dep"
+description "A static library depending on another static library"
+targetType "staticLibrary"
+dependency "staticlib-simple" path="../../1-staticLib-simple"

test/dynLib-monolith/inner_dep/source/inner_dep/mod.d

@@ -0,0 +1,7 @@
+module inner_dep.mod;
+
+void innerDepFunction()
+{
+    import staticlib.app;
+    entry();
+}

test/dynLib-monolith/source/library.d

@@ -0,0 +1,7 @@
+module library;
+
+export void foo()
+{
+    import inner_dep.mod;
+    innerDepFunction();
+}

test/exe-shared-defaultlib/dub.sdl

@@ -0,0 +1,11 @@
+name "exe-shared-defaultlib"
+description "An executable with a statically linked dep, linked against *shared* druntime/Phobos"
+targetType "executable"
+dependency "staticlib-simple" path="../1-staticLib-simple/"
+
+# With LDC on Windows, `-link-defaultlib-shared` is passed down for compiling
+# staticlib-simple (for an implicit `-dllimport=defaultLibsOnly`).
+dflags "-link-defaultlib-shared" platform="ldc"
+
+# no libphobos2.dll/dylib with DMD on Windows/Mac
+dflags "-defaultlib=libphobos2.so" platform="linux-dmd"

test/exe-shared-defaultlib/source/app.d

@@ -0,0 +1,7 @@
+module app;
+import staticlib.app;
+
+void main()
+{
+    entry();
+}