From 0db2c8505e3236c37d500c2d4afb9efbc675fdfc Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 29 Sep 2009 16:39:43 -0400
Subject: Test use of module .def files for MS tools

This adds a "ModuleDefinition" test enabled when using MSVC tools.  It
checks that .def files can be used to export .dll and .exe symbols and
create corresponding .lib files that can be linked.  See issue #9613.
---
 Tests/CMakeLists.txt                     |  1 +
 Tests/ModuleDefinition/CMakeLists.txt    | 22 ++++++++++++++++++++++
 Tests/ModuleDefinition/example_dll.c     |  1 +
 Tests/ModuleDefinition/example_dll.def   |  2 ++
 Tests/ModuleDefinition/example_dll_2.c   |  1 +
 Tests/ModuleDefinition/example_dll_2.def |  2 ++
 Tests/ModuleDefinition/example_exe.c     | 14 ++++++++++++++
 Tests/ModuleDefinition/example_exe.def   |  2 ++
 Tests/ModuleDefinition/example_mod_1.c   | 21 +++++++++++++++++++++
 9 files changed, 66 insertions(+)
 create mode 100644 Tests/ModuleDefinition/CMakeLists.txt
 create mode 100644 Tests/ModuleDefinition/example_dll.c
 create mode 100644 Tests/ModuleDefinition/example_dll.def
 create mode 100644 Tests/ModuleDefinition/example_dll_2.c
 create mode 100644 Tests/ModuleDefinition/example_dll_2.def
 create mode 100644 Tests/ModuleDefinition/example_exe.c
 create mode 100644 Tests/ModuleDefinition/example_exe.def
 create mode 100644 Tests/ModuleDefinition/example_mod_1.c

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 2f5980d..4fdd286 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -846,6 +846,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
 
   IF(CMAKE_TEST_MSVC)
     ADD_TEST_MACRO(PrecompiledHeader foo)
+    ADD_TEST_MACRO(ModuleDefinition example_exe)
   ENDIF(CMAKE_TEST_MSVC)
 
   IF("${CMAKE_TEST_GENERATOR}" MATCHES "Makefile")
diff --git a/Tests/ModuleDefinition/CMakeLists.txt b/Tests/ModuleDefinition/CMakeLists.txt
new file mode 100644
index 0000000..0cef0c7
--- /dev/null
+++ b/Tests/ModuleDefinition/CMakeLists.txt
@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 2.6)
+project(ModuleDefinition C)
+
+# Test .def file source recognition for DLLs.
+add_library(example_dll SHARED example_dll.c example_dll.def)
+
+# Test /DEF:<file> flag recognition for VS.
+if(MSVC)
+  add_library(example_dll_2 SHARED example_dll_2.c)
+  set_property(TARGET example_dll_2 PROPERTY LINK_FLAGS
+    /DEF:"${ModuleDefinition_SOURCE_DIR}/example_dll_2.def")
+  set(example_dll_2 example_dll_2)
+endif()
+
+# Test .def file source recognition for EXEs.
+add_executable(example_exe example_exe.c example_exe.def)
+set_property(TARGET example_exe PROPERTY ENABLE_EXPORTS 1)
+target_link_libraries(example_exe example_dll ${example_dll_2})
+
+# Test linking to the executable.
+add_library(example_mod_1 MODULE example_mod_1.c)
+target_link_libraries(example_mod_1 example_exe example_dll ${example_dll_2})
diff --git a/Tests/ModuleDefinition/example_dll.c b/Tests/ModuleDefinition/example_dll.c
new file mode 100644
index 0000000..88b3904
--- /dev/null
+++ b/Tests/ModuleDefinition/example_dll.c
@@ -0,0 +1 @@
+int example_dll_function(void) { return 0; }
diff --git a/Tests/ModuleDefinition/example_dll.def b/Tests/ModuleDefinition/example_dll.def
new file mode 100644
index 0000000..df64fb3
--- /dev/null
+++ b/Tests/ModuleDefinition/example_dll.def
@@ -0,0 +1,2 @@
+EXPORTS
+example_dll_function
diff --git a/Tests/ModuleDefinition/example_dll_2.c b/Tests/ModuleDefinition/example_dll_2.c
new file mode 100644
index 0000000..9d79acd
--- /dev/null
+++ b/Tests/ModuleDefinition/example_dll_2.c
@@ -0,0 +1 @@
+int example_dll_2_function(void) { return 0; }
diff --git a/Tests/ModuleDefinition/example_dll_2.def b/Tests/ModuleDefinition/example_dll_2.def
new file mode 100644
index 0000000..8eba7f9
--- /dev/null
+++ b/Tests/ModuleDefinition/example_dll_2.def
@@ -0,0 +1,2 @@
+EXPORTS
+example_dll_2_function
diff --git a/Tests/ModuleDefinition/example_exe.c b/Tests/ModuleDefinition/example_exe.c
new file mode 100644
index 0000000..60cde6a
--- /dev/null
+++ b/Tests/ModuleDefinition/example_exe.c
@@ -0,0 +1,14 @@
+extern int __declspec(dllimport) example_dll_function(void);
+#ifdef _MSC_VER
+extern int __declspec(dllimport) example_dll_2_function(void);
+#endif
+int example_exe_function(void) { return 0; }
+int main(void)
+{
+  return
+    example_dll_function() +
+#ifdef _MSC_VER
+    example_dll_2_function() +
+#endif
+    example_exe_function();
+}
diff --git a/Tests/ModuleDefinition/example_exe.def b/Tests/ModuleDefinition/example_exe.def
new file mode 100644
index 0000000..2a0df1f
--- /dev/null
+++ b/Tests/ModuleDefinition/example_exe.def
@@ -0,0 +1,2 @@
+EXPORTS
+example_exe_function
diff --git a/Tests/ModuleDefinition/example_mod_1.c b/Tests/ModuleDefinition/example_mod_1.c
new file mode 100644
index 0000000..483f60e
--- /dev/null
+++ b/Tests/ModuleDefinition/example_mod_1.c
@@ -0,0 +1,21 @@
+#ifdef __WATCOMC__
+# define MODULE_CCONV __cdecl
+#else
+# define MODULE_CCONV
+#endif
+
+int __declspec(dllimport) example_exe_function(void);
+int __declspec(dllimport) example_dll_function(void);
+#ifdef _MSC_VER
+int __declspec(dllimport) example_dll_2_function(void);
+#endif
+
+__declspec(dllexport) int MODULE_CCONV example_mod_1_function(int n)
+{
+  return
+    example_dll_function() +
+#ifdef _MSC_VER
+    example_dll_2_function() +
+#endif
+    example_exe_function() + n;
+}
-- 
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