5 files changed, 24 insertions, 7 deletions
diff --git a/Tests/ObjectLibrary/A/CMakeLists.txt b/Tests/ObjectLibrary/A/CMakeLists.txt
index 36c86e7e9..55778eabf 100644
--- a/Tests/ObjectLibrary/A/CMakeLists.txt
+++ b/Tests/ObjectLibrary/A/CMakeLists.txt
@@ -13,6 +13,6 @@ add_custom_command(
   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)
+target_include_directories(A PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/Tests/ObjectLibrary/B/CMakeLists.txt b/Tests/ObjectLibrary/B/CMakeLists.txt
index 32d8cebf6..a567f960b 100644
--- a/Tests/ObjectLibrary/B/CMakeLists.txt
+++ b/Tests/ObjectLibrary/B/CMakeLists.txt
@@ -10,7 +10,11 @@ if(CMAKE_SHARED_LIBRARY_C_FLAGS AND NOT WATCOM)
   set(CMAKE_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_C_FLAGS}")
 endif()
 
-add_definitions(-DB_DEF)
 add_library(B OBJECT b1.c b2.c)
+target_include_directories(B PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_compile_definitions(B PUBLIC B_DEF)
+
 add_library(Bexport OBJECT b1${vs6}.c b2${vs6}.c)
 set_property(TARGET Bexport PROPERTY COMPILE_DEFINITIONS Bexport)
+target_include_directories(Bexport PRIVATE $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
+target_compile_definitions(Bexport PRIVATE $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
diff --git a/Tests/ObjectLibrary/B/b.h b/Tests/ObjectLibrary/B/b.h
index 11b22f427..3489c7105 100644
--- a/Tests/ObjectLibrary/B/b.h
+++ b/Tests/ObjectLibrary/B/b.h
@@ -4,8 +4,15 @@
 #ifndef B_DEF
 # error "B_DEF not defined"
 #endif
+
 #if defined(_WIN32) && defined(Bexport)
 # define EXPORT_B __declspec(dllexport)
 #else
 # define EXPORT_B
 #endif
+
+#if defined(_WIN32) && defined(SHARED_B)
+# define IMPORT_B __declspec(dllimport)
+#else
+# define IMPORT_B
+#endif
diff --git a/Tests/ObjectLibrary/CMakeLists.txt b/Tests/ObjectLibrary/CMakeLists.txt
index 87234159f..13a07b44a 100644
--- a/Tests/ObjectLibrary/CMakeLists.txt
+++ b/Tests/ObjectLibrary/CMakeLists.txt
@@ -26,6 +26,9 @@ endif()
 
 # Test static library without its own sources.
 add_library(ABstatic STATIC ${dummy} $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
+target_include_directories(ABstatic PUBLIC $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
+target_compile_definitions(ABstatic PUBLIC $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
+
 add_executable(UseABstatic mainAB.c)
 target_link_libraries(UseABstatic ABstatic)
 
@@ -41,12 +44,17 @@ endif()
 
 # Test shared library without its own sources.
 add_library(ABshared SHARED ${dummy} ${ABshared_SRCS})
+target_include_directories(ABshared PUBLIC $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
+target_compile_definitions(ABshared PUBLIC $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
+
 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)
+target_include_directories(ABmain PUBLIC $<TARGET_PROPERTY:B,INTERFACE_INCLUDE_DIRECTORIES>)
+target_compile_definitions(ABmain PUBLIC $<TARGET_PROPERTY:B,INTERFACE_COMPILE_DEFINITIONS>)
 add_executable(UseABinternal ${dummy}
   $<TARGET_OBJECTS:ABmain> $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>
   )
diff --git a/Tests/ObjectLibrary/mainAB.c b/Tests/ObjectLibrary/mainAB.c
index 556898b83..38db20520 100644
--- a/Tests/ObjectLibrary/mainAB.c
+++ b/Tests/ObjectLibrary/mainAB.c
@@ -1,8 +1,6 @@
-#if defined(_WIN32) && defined(SHARED_B)
-# define IMPORT_B __declspec(dllimport)
-#else
-# define IMPORT_B
-#endif
+
+#include "b.h"
+
 extern IMPORT_B int b1(void);
 extern IMPORT_B int b2(void);
 #ifndef NO_A