5 files changed, 20 insertions, 12 deletions
diff --git a/Tests/ObjectLibrary/A/CMakeLists.txt b/Tests/ObjectLibrary/A/CMakeLists.txt
index 55778ea..c24c5ed 100644
--- a/Tests/ObjectLibrary/A/CMakeLists.txt
+++ b/Tests/ObjectLibrary/A/CMakeLists.txt
@@ -1,18 +1,26 @@
 project(ObjectLibraryA C)
 # Add -fPIC so objects can be used in shared libraries.
-# TODO: Need property for this.
-if(CMAKE_SHARED_LIBRARY_C_FLAGS AND NOT WATCOM)
-  set(CMAKE_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_C_FLAGS}")
-endif()
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 add_definitions(-DA_DEF)
 
 add_custom_command(
   OUTPUT a1.c
-  DEPENDS a1.c.in
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/a1.c.in
   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/a1.c.in
                                    ${CMAKE_CURRENT_BINARY_DIR}/a1.c
   )
 
-add_library(A OBJECT a1.c a2.c)
+# Remove the custom command output to be sure it runs in an
+# incremental test.  Skip this on VS 6 because it sometimes
+# re-runs CMake after the custom command runs.
+if(NOT CMAKE_GENERATOR STREQUAL "Visual Studio 6")
+  file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/a.cmake)
+endif()
+add_custom_command(
+  OUTPUT a.cmake
+  COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/a.cmake
+  )
+
+add_library(A OBJECT a1.c a2.c a.cmake)
 target_include_directories(A PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/Tests/ObjectLibrary/B/CMakeLists.txt b/Tests/ObjectLibrary/B/CMakeLists.txt
index a567f96..2158084 100644
--- a/Tests/ObjectLibrary/B/CMakeLists.txt
+++ b/Tests/ObjectLibrary/B/CMakeLists.txt
@@ -5,10 +5,7 @@ if("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
 endif()
 
 # Add -fPIC so objects can be used in shared libraries.
-# TODO: Need property for this.
-if(CMAKE_SHARED_LIBRARY_C_FLAGS AND NOT WATCOM)
-  set(CMAKE_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS} ${CMAKE_C_FLAGS}")
-endif()
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 add_library(B OBJECT b1.c b2.c)
 target_include_directories(B PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/Tests/ObjectLibrary/CMakeLists.txt b/Tests/ObjectLibrary/CMakeLists.txt
index 75c34d8..e9f553e 100644
--- a/Tests/ObjectLibrary/CMakeLists.txt
+++ b/Tests/ObjectLibrary/CMakeLists.txt
@@ -12,6 +12,7 @@ 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_custom_command(TARGET UseCshared POST_BUILD COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/A/a.cmake)
 
 add_executable(UseCinternal main.c c.c $<TARGET_OBJECTS:A> $<TARGET_OBJECTS:B>)
 
diff --git a/Tests/RunCMake/ObjectLibrary/BadObjSource1-stderr.txt b/Tests/RunCMake/ObjectLibrary/BadObjSource1-stderr.txt
index b31225b..a09552b 100644
--- a/Tests/RunCMake/ObjectLibrary/BadObjSource1-stderr.txt
+++ b/Tests/RunCMake/ObjectLibrary/BadObjSource1-stderr.txt
@@ -3,6 +3,7 @@ CMake Error at BadObjSource1.cmake:1 \(add_library\):
 
     bad.def
 
-  but may contain only headers and sources that compile.
+  but may contain only sources that compile, header files, and other files
+  that would not affect linking of a normal library.
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/ObjectLibrary/BadObjSource2-stderr.txt b/Tests/RunCMake/ObjectLibrary/BadObjSource2-stderr.txt
index 906cf0b..b91ffd0 100644
--- a/Tests/RunCMake/ObjectLibrary/BadObjSource2-stderr.txt
+++ b/Tests/RunCMake/ObjectLibrary/BadObjSource2-stderr.txt
@@ -3,6 +3,7 @@ CMake Error at BadObjSource2.cmake:1 \(add_library\):
 
     bad.obj
 
-  but may contain only headers and sources that compile.
+  but may contain only sources that compile, header files, and other files
+  that would not affect linking of a normal library.
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)