ENH: Updated ExportImport test to try LINK_INTERFACE_LIBRARIES.

Tests/ExportImport/CMakeLists.txt

@@ -11,15 +11,20 @@ set_property(
   PROPERTY SYMBOLIC 1
   )
 
-# Build and install the exporter.
 if(CMAKE_CONFIGURATION_TYPES)
-  set(Export_CONFIG_TYPE -C "${CMAKE_CFG_INTDIR}")
+  set(NESTED_CONFIG_TYPE -C "${CMAKE_CFG_INTDIR}")
 else(CMAKE_CONFIGURATION_TYPES)
-  set(Export_CONFIG_TYPE)
+  if(CMAKE_BUILD_TYPE)
+    set(NESTED_CONFIG_TYPE -C "${CMAKE_BUILD_TYPE}")
+  else(CMAKE_BUILD_TYPE)
+    set(NESTED_CONFIG_TYPE)
+  endif(CMAKE_BUILD_TYPE)
 endif(CMAKE_CONFIGURATION_TYPES)
+
+# Build and install the exporter.
 add_custom_command(
   OUTPUT ${ExportImport_BINARY_DIR}/ExportProject
-  COMMAND ${CMAKE_CTEST_COMMAND} ${Export_CONFIG_TYPE}
+  COMMAND ${CMAKE_CTEST_COMMAND} ${NESTED_CONFIG_TYPE}
     --build-and-test
     ${ExportImport_SOURCE_DIR}/Export
     ${ExportImport_BINARY_DIR}/Export
@@ -45,14 +50,9 @@ set_property(
   )
 
 # Build and install the importer.
-if(CMAKE_CONFIGURATION_TYPES)
-  set(Import_CONFIG_TYPE -C "${CMAKE_CFG_INTDIR}")
-else(CMAKE_CONFIGURATION_TYPES)
-  set(Import_CONFIG_TYPE)
-endif(CMAKE_CONFIGURATION_TYPES)
 add_custom_command(
   OUTPUT ${ExportImport_BINARY_DIR}/ImportProject
-  COMMAND ${CMAKE_CTEST_COMMAND} ${Import_CONFIG_TYPE}
+  COMMAND ${CMAKE_CTEST_COMMAND} ${NESTED_CONFIG_TYPE}
    --build-and-test
    ${ExportImport_SOURCE_DIR}/Import
    ${ExportImport_BINARY_DIR}/Import

Tests/ExportImport/Export/CMakeLists.txt

@@ -9,14 +9,22 @@ add_library(testExe1lib STATIC testExe1lib.c) # not exported
 add_executable(testExe1 testExe1.c)
 target_link_libraries(testExe1 testExe1lib)
 
+add_library(testExe2libImp SHARED testExe2libImp.c)
+add_library(testExe2lib SHARED testExe2lib.c)
+target_link_libraries(testExe2lib testExe2libImp)
+set_property(TARGET testExe2lib PROPERTY LINK_INTERFACE_LIBRARIES "")
 add_executable(testExe2 testExe2.c)
 set_property(TARGET testExe2 PROPERTY ENABLE_EXPORTS 1)
+set_property(TARGET testExe2 PROPERTY LINK_INTERFACE_LIBRARIES testExe2lib)
 
 add_library(testLib1 STATIC testLib1.c)
 add_library(testLib2 STATIC testLib2.c)
 target_link_libraries(testLib2 testLib1)
 
+add_library(testLib3Imp SHARED testLib3Imp.c)
 add_library(testLib3 SHARED testLib3.c)
+target_link_libraries(testLib3 testLib3Imp)
+set_property(TARGET testLib3 PROPERTY LINK_INTERFACE_LIBRARIES "")
 
 add_library(testLib4 SHARED testLib4.c)
 set_property(TARGET testLib4 PROPERTY FRAMEWORK 1)
@@ -24,9 +32,18 @@ set_property(TARGET testLib4 PROPERTY FRAMEWORK 1)
 add_executable(testExe3 testExe3.c)
 set_property(TARGET testExe3 PROPERTY MACOSX_BUNDLE 1)
 
+# Install helper targets that are not part of the interface.
+install(
+  TARGETS testExe2libImp testLib3Imp
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+  )
+
 # Install and export from install tree.
 install(
   TARGETS testExe1 testLib1 testLib2 testExe2 testLib3 testLib4 testExe3
+          testExe2lib
   EXPORT exp
   RUNTIME DESTINATION bin
   LIBRARY DESTINATION lib
@@ -37,11 +54,11 @@ install(
 install(EXPORT exp NAMESPACE exp_ DESTINATION lib/exp)
 
 # Export from build tree.
-export(TARGETS testExe1 testLib1 testLib2
+export(TARGETS testExe1 testLib1 testLib2 testLib3
   NAMESPACE bld_
   FILE ExportBuildTree.cmake
   )
-export(TARGETS testExe2 testLib3 testLib4 testExe3
+export(TARGETS testExe2 testLib4 testExe3 testExe2lib
   NAMESPACE bld_
   APPEND FILE ExportBuildTree.cmake
   )

Tests/ExportImport/Export/testExe2lib.c

@@ -0,0 +1,10 @@
+#if defined(_WIN32) || defined(__CYGWIN__)
+# define testExe2lib_EXPORT __declspec(dllexport)
+# define testExe2libImp_IMPORT __declspec(dllimport)
+#else
+# define testExe2lib_EXPORT
+# define testExe2libImp_IMPORT
+#endif
+
+testExe2libImp_IMPORT int testExe2libImp(void);
+testExe2lib_EXPORT int testExe2lib(void) { return testExe2libImp(); }

Tests/ExportImport/Export/testExe2libImp.c

@@ -0,0 +1,7 @@
+#if defined(_WIN32) || defined(__CYGWIN__)
+# define testExe2libImp_EXPORT __declspec(dllexport)
+#else
+# define testExe2libImp_EXPORT
+#endif
+
+testExe2libImp_EXPORT int testExe2libImp(void) { return 0; }

Tests/ExportImport/Export/testLib3.c

@@ -1,7 +1,10 @@
 #if defined(_WIN32) || defined(__CYGWIN__)
 # define testLib3_EXPORT __declspec(dllexport)
+# define testLib3Imp_IMPORT __declspec(dllimport)
 #else
 # define testLib3_EXPORT
+# define testLib3Imp_IMPORT
 #endif
 
-testLib3_EXPORT int testLib3(void) { return 0; }
+testLib3Imp_IMPORT int testLib3Imp(void);
+testLib3_EXPORT int testLib3(void) { return testLib3Imp(); }

Tests/ExportImport/Export/testLib3Imp.c

@@ -0,0 +1,7 @@
+#if defined(_WIN32) || defined(__CYGWIN__)
+# define testLib3Imp_EXPORT __declspec(dllexport)
+#else
+# define testLib3Imp_EXPORT
+#endif
+
+testLib3Imp_EXPORT int testLib3Imp(void) { return 0; }

Tests/ExportImport/Import/imp_mod1.c

@@ -5,8 +5,9 @@
 #endif
 
 testExe2_IMPORT int testExe2Func(void);
+testExe2_IMPORT int testExe2lib(void);
 
 int imp_mod1()
 {
-  return testExe2Func();
+  return testExe2Func() + testExe2lib();
 }