5 files changed, 64 insertions, 0 deletions
diff --git a/Tests/ObjectLibrary/AB.def b/Tests/ObjectLibrary/AB.def
new file mode 100644
index 0000000000..3f2b5c0547
--- /dev/null
+++ b/Tests/ObjectLibrary/AB.def
@@ -0,0 +1,5 @@
+EXPORTS
+a1
+a2
+b1
+b2
diff --git a/Tests/ObjectLibrary/CMakeLists.txt b/Tests/ObjectLibrary/CMakeLists.txt
index 1a07d1d0a1..87234159f7 100644
--- a/Tests/ObjectLibrary/CMakeLists.txt
+++ b/Tests/ObjectLibrary/CMakeLists.txt
@@ -14,3 +14,39 @@ set_property(TARGET UseCshared PROPERTY COMPILE_DEFINITIONS SHARED_C)
 target_link_libraries(UseCshared Cshared)
 
 add_executable(UseCinternal main.c c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
+
+if("${CMAKE_GENERATOR}" MATCHES "^Visual Studio (6|7|7 .NET 2003)$")
+  # VS 6 and 7 generators do not add objects as sources so we need a
+  # dummy object to convince the IDE to build the targets below.
+  set(dummy dummy.obj) # In MinGW: gcc -c dummy.c -o dummy.obj
+elseif("${CMAKE_GENERATOR}" MATCHES "Xcode")
+  # Xcode does not seem to support targets without sources.
+  set(dummy dummy.c)
+endif()
+
+# Test static library without its own sources.
+add_library(ABstatic STATIC ${dummy} $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
+add_executable(UseABstatic mainAB.c)
+target_link_libraries(UseABstatic ABstatic)
+
+# Test module definition file to export object library symbols in the test
+# below if the platform needs and supports it.
+set(ABshared_SRCS $<TARGET_OBJECTS:A>)
+if(CMAKE_LINK_DEF_FILE_FLAG OR NOT WIN32)
+  list(APPEND ABshared_SRCS $<TARGET_OBJECTS:B> AB.def)
+else()
+  set(NO_A NO_A)
+  list(APPEND ABshared_SRCS $<TARGET_OBJECTS:Bexport>)
+endif()
+
+# Test shared library without its own sources.
+add_library(ABshared SHARED ${dummy} ${ABshared_SRCS})
+add_executable(UseABshared mainAB.c)
+set_property(TARGET UseABshared PROPERTY COMPILE_DEFINITIONS SHARED_B ${NO_A})
+target_link_libraries(UseABshared ABshared)
+
+# Test executable without its own sources.
+add_library(ABmain OBJECT mainAB.c)
+add_executable(UseABinternal ${dummy}
+  $<TARGET_OBJECTS:ABmain> $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>
+  )
diff --git a/Tests/ObjectLibrary/dummy.c b/Tests/ObjectLibrary/dummy.c
new file mode 100644
index 0000000000..2b17d816d6
--- /dev/null
+++ b/Tests/ObjectLibrary/dummy.c
@@ -0,0 +1 @@
+int dummy(void) {return 0;}
diff --git a/Tests/ObjectLibrary/dummy.obj b/Tests/ObjectLibrary/dummy.obj
new file mode 100644
index 0000000000..77f6f2f1b2
--- /dev/null
+++ b/Tests/ObjectLibrary/dummy.obj
diff --git a/Tests/ObjectLibrary/mainAB.c b/Tests/ObjectLibrary/mainAB.c
new file mode 100644
index 0000000000..556898b832
--- /dev/null
+++ b/Tests/ObjectLibrary/mainAB.c
@@ -0,0 +1,22 @@
+#if defined(_WIN32) && defined(SHARED_B)
+# define IMPORT_B __declspec(dllimport)
+#else
+# define IMPORT_B
+#endif
+extern IMPORT_B int b1(void);
+extern IMPORT_B int b2(void);
+#ifndef NO_A
+extern int a1(void);
+extern int a2(void);
+#endif
+int main(void)
+{
+  return 0
+#ifndef NO_A
+    + a1()
+    + a2()
+#endif
+    + b1()
+    + b2()
+    ;
+}