diff --git a/Tests/Complex/Executable/complex.cxx b/Tests/Complex/Executable/complex.cxx
index 1415ce7f9..7afa821b5 100644
--- a/Tests/Complex/Executable/complex.cxx
+++ b/Tests/Complex/Executable/complex.cxx
@@ -541,12 +541,14 @@ int main()
   // ----------------------------------------------------------------------
   // A post-build custom-command has been attached to the lib (see Library/).
   // It runs ${CREATE_FILE_EXE} which will create a file.
+  // It also copies that file again using CCOMMAND.
   //
   // WARNING: if you run 'complex' manually, this *will* fail, because
   // the file was removed the last time 'complex' was run, and it is
   // only created during a build.
 
   TestAndRemoveFile(BINARY_DIR "/Library/postbuild.txt");
+  TestAndRemoveFile(BINARY_DIR "/Library/postbuild2.txt");
 
   // ----------------------------------------------------------------------
   // A custom target has been created (see Library/).
diff --git a/Tests/Complex/Library/CMakeLists.txt b/Tests/Complex/Library/CMakeLists.txt
index b3c402c1e..1aa325a55 100644
--- a/Tests/Complex/Library/CMakeLists.txt
+++ b/Tests/Complex/Library/CMakeLists.txt
@@ -40,6 +40,13 @@ ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
                    ARGS "${Complex_BINARY_DIR}/Library/postbuild.txt"
                    TARGET CMakeTestLibraryShared)
 
+ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
+	           COMMAND ${CCOMMAND_COMMAND}
+                   ARGS copy
+                        "${Complex_BINARY_DIR}/Library/postbuild.txt"
+                        "${Complex_BINARY_DIR}/Library/postbuild2.txt"
+                   TARGET CMakeTestLibraryShared)
+
 #
 # Add a custom target.
 # It runs ${CREATE_FILE_EXE} which will create a file.
diff --git a/Tests/ComplexOneConfig/Executable/complex.cxx b/Tests/ComplexOneConfig/Executable/complex.cxx
index 1415ce7f9..7afa821b5 100644
--- a/Tests/ComplexOneConfig/Executable/complex.cxx
+++ b/Tests/ComplexOneConfig/Executable/complex.cxx
@@ -541,12 +541,14 @@ int main()
   // ----------------------------------------------------------------------
   // A post-build custom-command has been attached to the lib (see Library/).
   // It runs ${CREATE_FILE_EXE} which will create a file.
+  // It also copies that file again using CCOMMAND.
   //
   // WARNING: if you run 'complex' manually, this *will* fail, because
   // the file was removed the last time 'complex' was run, and it is
   // only created during a build.
 
   TestAndRemoveFile(BINARY_DIR "/Library/postbuild.txt");
+  TestAndRemoveFile(BINARY_DIR "/Library/postbuild2.txt");
 
   // ----------------------------------------------------------------------
   // A custom target has been created (see Library/).
diff --git a/Tests/ComplexOneConfig/Library/CMakeLists.txt b/Tests/ComplexOneConfig/Library/CMakeLists.txt
index b3c402c1e..1aa325a55 100644
--- a/Tests/ComplexOneConfig/Library/CMakeLists.txt
+++ b/Tests/ComplexOneConfig/Library/CMakeLists.txt
@@ -40,6 +40,13 @@ ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
                    ARGS "${Complex_BINARY_DIR}/Library/postbuild.txt"
                    TARGET CMakeTestLibraryShared)
 
+ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
+	           COMMAND ${CCOMMAND_COMMAND}
+                   ARGS copy
+                        "${Complex_BINARY_DIR}/Library/postbuild.txt"
+                        "${Complex_BINARY_DIR}/Library/postbuild2.txt"
+                   TARGET CMakeTestLibraryShared)
+
 #
 # Add a custom target.
 # It runs ${CREATE_FILE_EXE} which will create a file.
diff --git a/Tests/ComplexRelativePaths/Executable/complex.cxx b/Tests/ComplexRelativePaths/Executable/complex.cxx
index 1415ce7f9..7afa821b5 100644
--- a/Tests/ComplexRelativePaths/Executable/complex.cxx
+++ b/Tests/ComplexRelativePaths/Executable/complex.cxx
@@ -541,12 +541,14 @@ int main()
   // ----------------------------------------------------------------------
   // A post-build custom-command has been attached to the lib (see Library/).
   // It runs ${CREATE_FILE_EXE} which will create a file.
+  // It also copies that file again using CCOMMAND.
   //
   // WARNING: if you run 'complex' manually, this *will* fail, because
   // the file was removed the last time 'complex' was run, and it is
   // only created during a build.
 
   TestAndRemoveFile(BINARY_DIR "/Library/postbuild.txt");
+  TestAndRemoveFile(BINARY_DIR "/Library/postbuild2.txt");
 
   // ----------------------------------------------------------------------
   // A custom target has been created (see Library/).
diff --git a/Tests/ComplexRelativePaths/Library/CMakeLists.txt b/Tests/ComplexRelativePaths/Library/CMakeLists.txt
index b3c402c1e..1aa325a55 100644
--- a/Tests/ComplexRelativePaths/Library/CMakeLists.txt
+++ b/Tests/ComplexRelativePaths/Library/CMakeLists.txt
@@ -40,6 +40,13 @@ ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
                    ARGS "${Complex_BINARY_DIR}/Library/postbuild.txt"
                    TARGET CMakeTestLibraryShared)
 
+ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
+	           COMMAND ${CCOMMAND_COMMAND}
+                   ARGS copy
+                        "${Complex_BINARY_DIR}/Library/postbuild.txt"
+                        "${Complex_BINARY_DIR}/Library/postbuild2.txt"
+                   TARGET CMakeTestLibraryShared)
+
 #
 # Add a custom target.
 # It runs ${CREATE_FILE_EXE} which will create a file.