14 files changed, 111 insertions, 0 deletions
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index cf4dc44..7baed2c 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -199,6 +199,7 @@ IF(BUILD_TESTING)
   ADD_TEST_MACRO(CxxOnly CxxOnly)
   ADD_TEST_MACRO(IPO COnly/COnly)
   ADD_TEST_MACRO(OutDir runtime/OutDir)
+  ADD_TEST_MACRO(ObjectLibrary UseCshared)
   ADD_TEST_MACRO(NewlineArgs NewlineArgs)
   ADD_TEST_MACRO(SetLang SetLang)
   ADD_TEST_MACRO(ExternalOBJ ExternalOBJ)
diff --git a/Tests/ObjectLibrary/A/CMakeLists.txt b/Tests/ObjectLibrary/A/CMakeLists.txt
new file mode 100644
index 0000000..e0a620e
--- /dev/null
+++ b/Tests/ObjectLibrary/A/CMakeLists.txt
@@ -0,0 +1,17 @@
+# Add -fPIC so objects can be used in shared libraries.
+# TODO: Need property for this.
+if(CMAKE_SHARED_LIBRARY_C_FLAGS)
+  set(CMAKE_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_C_FLAGS}")
+endif()
+
+add_definitions(-DA)
+
+add_custom_command(
+  OUTPUT a1.c
+  DEPENDS a1.c.in
+  COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/a1.c.in
+                                   ${CMAKE_CURRENT_BINARY_DIR}/a1.c
+  )
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+
+add_library(A OBJECT a1.c a2.c)
diff --git a/Tests/ObjectLibrary/A/a.h b/Tests/ObjectLibrary/A/a.h
new file mode 100644
index 0000000..6bfbc82
--- /dev/null
+++ b/Tests/ObjectLibrary/A/a.h
@@ -0,0 +1,6 @@
+#ifndef A
+# error "A not defined"
+#endif
+#ifdef B
+# error "B must not be defined"
+#endif
diff --git a/Tests/ObjectLibrary/A/a1.c.in b/Tests/ObjectLibrary/A/a1.c.in
new file mode 100644
index 0000000..d1eaf58
--- /dev/null
+++ b/Tests/ObjectLibrary/A/a1.c.in
@@ -0,0 +1,2 @@
+#include "a.h"
+int a1(void) { return 0; }
diff --git a/Tests/ObjectLibrary/A/a2.c b/Tests/ObjectLibrary/A/a2.c
new file mode 100644
index 0000000..d8f225e
--- /dev/null
+++ b/Tests/ObjectLibrary/A/a2.c
@@ -0,0 +1,2 @@
+#include "a.h"
+int a2(void) { return 0; }
diff --git a/Tests/ObjectLibrary/B/CMakeLists.txt b/Tests/ObjectLibrary/B/CMakeLists.txt
new file mode 100644
index 0000000..498d45d
--- /dev/null
+++ b/Tests/ObjectLibrary/B/CMakeLists.txt
@@ -0,0 +1,15 @@
+if("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
+  # VS 6 generator does not use per-target object locations.
+  set(vs6 _vs6)
+endif()
+
+# Add -fPIC so objects can be used in shared libraries.
+# TODO: Need property for this.
+if(CMAKE_SHARED_LIBRARY_C_FLAGS)
+  set(CMAKE_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_C_FLAGS}")
+endif()
+
+add_definitions(-DB)
+add_library(B OBJECT b1.c b2.c)
+add_library(Bexport OBJECT b1${vs6}.c b2${vs6}.c)
+set_property(TARGET Bexport PROPERTY COMPILE_DEFINITIONS Bexport)
diff --git a/Tests/ObjectLibrary/B/b.h b/Tests/ObjectLibrary/B/b.h
new file mode 100644
index 0000000..632004d
--- /dev/null
+++ b/Tests/ObjectLibrary/B/b.h
@@ -0,0 +1,11 @@
+#ifdef A
+# error "A must not be defined"
+#endif
+#ifndef B
+# error "B not defined"
+#endif
+#if defined(_WIN32) && defined(Bexport)
+# define EXPORT_B __declspec(dllexport)
+#else
+# define EXPORT_B
+#endif
diff --git a/Tests/ObjectLibrary/B/b1.c b/Tests/ObjectLibrary/B/b1.c
new file mode 100644
index 0000000..fdeffe4
--- /dev/null
+++ b/Tests/ObjectLibrary/B/b1.c
@@ -0,0 +1,2 @@
+#include "b.h"
+EXPORT_B int b1(void) { return 0; }
diff --git a/Tests/ObjectLibrary/B/b1_vs6.c b/Tests/ObjectLibrary/B/b1_vs6.c
new file mode 100644
index 0000000..b606e10
--- /dev/null
+++ b/Tests/ObjectLibrary/B/b1_vs6.c
@@ -0,0 +1 @@
+#include "b1.c"
diff --git a/Tests/ObjectLibrary/B/b2.c b/Tests/ObjectLibrary/B/b2.c
new file mode 100644
index 0000000..6e0d17c
--- /dev/null
+++ b/Tests/ObjectLibrary/B/b2.c
@@ -0,0 +1,2 @@
+#include "b.h"
+EXPORT_B int b2(void) { return 0; }
diff --git a/Tests/ObjectLibrary/B/b2_vs6.c b/Tests/ObjectLibrary/B/b2_vs6.c
new file mode 100644
index 0000000..d96a43e
--- /dev/null
+++ b/Tests/ObjectLibrary/B/b2_vs6.c
@@ -0,0 +1 @@
+#include "b2.c"
diff --git a/Tests/ObjectLibrary/CMakeLists.txt b/Tests/ObjectLibrary/CMakeLists.txt
new file mode 100644
index 0000000..1a07d1d
--- /dev/null
+++ b/Tests/ObjectLibrary/CMakeLists.txt
@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 2.8)
+project(ObjectLibrary C)
+
+add_subdirectory(A)
+add_subdirectory(B)
+
+add_library(Cstatic STATIC c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
+add_executable(UseCstatic main.c)
+target_link_libraries(UseCstatic Cstatic)
+
+add_library(Cshared SHARED c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:Bexport>)
+add_executable(UseCshared main.c)
+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>)
diff --git a/Tests/ObjectLibrary/c.c b/Tests/ObjectLibrary/c.c
new file mode 100644
index 0000000..968095b
--- /dev/null
+++ b/Tests/ObjectLibrary/c.c
@@ -0,0 +1,19 @@
+#if defined(_WIN32) && defined(Cshared_EXPORTS)
+# define EXPORT_C __declspec(dllexport)
+#else
+# define EXPORT_C
+#endif
+
+extern int a1(void);
+extern int a2(void);
+extern int b1(void);
+extern int b2(void);
+EXPORT_C int c(void)
+{
+  return 0
+    + a1()
+    + a2()
+    + b1()
+    + b2()
+    ;
+}
diff --git a/Tests/ObjectLibrary/main.c b/Tests/ObjectLibrary/main.c
new file mode 100644
index 0000000..6819f1c
--- /dev/null
+++ b/Tests/ObjectLibrary/main.c
@@ -0,0 +1,16 @@
+#if defined(_WIN32) && defined(SHARED_C)
+# define IMPORT_C __declspec(dllimport)
+#else
+# define IMPORT_C
+#endif
+extern IMPORT_C int b1(void);
+extern IMPORT_C int b2(void);
+extern IMPORT_C int c(void);
+int main(void)
+{
+  return 0
+    + c()
+    + b1()
+    + b2()
+    ;
+}