ENH: use separate vars for creating c++ and c shared libraries and add a test for c libraries

5 files changed, 32 insertions, 1 deletions

diff --git a/Tests/Complex/Executable/CMakeLists.txt b/Tests/Complex/Executable/CMakeLists.txt
index a3ad8fd..7468926 100644
--- a/Tests/Complex/Executable/CMakeLists.txt
+++ b/Tests/Complex/Executable/CMakeLists.txt
@@ -4,7 +4,7 @@
 SET_SOURCE_FILES_PROPERTIES(complex 
                             COMPILE_FLAGS "-DFILE_HAS_EXTRA_COMPILE_FLAGS")
 ADD_EXECUTABLE(complex complex)
-SET(COMPLEX_LIBS CMakeTestLibrary;CMakeTestLibraryShared)
+SET(COMPLEX_LIBS CMakeTestLibrary;CMakeTestLibraryShared;CMakeTestCLibraryShared)
 TARGET_LINK_LIBRARIES(complex ${COMPLEX_LIBS})
 
 #
diff --git a/Tests/Complex/Executable/complex.cxx b/Tests/Complex/Executable/complex.cxx
index 61ffd8f..6607d7d 100644
--- a/Tests/Complex/Executable/complex.cxx
+++ b/Tests/Complex/Executable/complex.cxx
@@ -2,6 +2,9 @@
 #include "ExtraSources/file1.h"
 #include "file2.h"
 #include "sharedFile.h"
+extern "C" {
+#include "testConly.h"
+}
 #include "cmStandardIncludes.h"
 #include "cmSystemTools.h"
 
@@ -103,6 +106,14 @@ int main()
     {
     cmPassed("Call to sharedFunction from shared library worked.");
     }
+  if(CsharedFunction() != 1)
+    {
+    cmFailed("Call to C sharedFunction from shared library failed.");
+    }
+  else
+    {
+    cmPassed("Call to C sharedFunction from shared library worked.");
+    }
   
   if(file1() != 1)
     {
diff --git a/Tests/Complex/Library/CMakeLists.txt b/Tests/Complex/Library/CMakeLists.txt
index c01f501..19cb6cd 100644
--- a/Tests/Complex/Library/CMakeLists.txt
+++ b/Tests/Complex/Library/CMakeLists.txt
@@ -26,6 +26,8 @@ ADD_LIBRARY(CMakeTestLibrary LibrarySources)
 SOURCE_FILES(SharedLibrarySources sharedFile)
 ADD_LIBRARY(CMakeTestLibraryShared SHARED SharedLibrarySources)
 
+ADD_LIBRARY(CMakeTestCLibraryShared SHARED testConly.c)
+
 #
 # Attach a post-build custom-command to the lib.
 # It runs ${CREATE_FILE_EXE} which will create a file.
diff --git a/Tests/Complex/Library/testConly.c b/Tests/Complex/Library/testConly.c
new file mode 100644
index 0000000..d2d5294
--- /dev/null
+++ b/Tests/Complex/Library/testConly.c
@@ -0,0 +1,6 @@
+#include "sharedFile.h"
+
+int CsharedFunction()
+{
+  return 1;
+}
diff --git a/Tests/Complex/Library/testConly.h b/Tests/Complex/Library/testConly.h
new file mode 100644
index 0000000..8553a6b
--- /dev/null
+++ b/Tests/Complex/Library/testConly.h
@@ -0,0 +1,12 @@
+#if defined(_WIN32) || defined(WIN32) /* Win32 version */
+#ifdef CMakeTestLibraryShared_EXPORTS
+#  define CMakeTest_EXPORT __declspec(dllexport)
+#else
+#  define CMakeTest_EXPORT __declspec(dllimport)
+#endif
+#else
+// unix needs nothing
+#define CMakeTest_EXPORT
+#endif
+
+CMakeTest_EXPORT int CsharedFunction();