added TargetDistclean.

cmake/modules/DuneFemDgMacros.cmake

@@ -6,4 +6,5 @@ set(SOURCEMAIN  ${FEMDG_MAIN_DIR}/main.cc)
 set(SOURCEONE   ${SOURCEMAIN} ${FEMDG_MAIN_DIR}/main_pol.cc)
 set(SOURCEALL   ${SOURCEMAIN} ${FEMDG_MAIN_DIR}/main_0.cc ${FEMDG_MAIN_DIR}/main_1.cc ${FEMDG_MAIN_DIR}/main_2.cc ${FEMDG_MAIN_DIR}/main_3.cc ${FEMDG_MAIN_DIR}/main_4.cc)
 
+include(TargetDistclean)
 message(AUTHOR_WARNING "TODO: Implement module test.")

cmake/modules/TargetDistclean.cmake

+# add custom target distclean
+if(${CMAKE_GENERATOR} MATCHES ".*Unix Makefiles.*")
+add_custom_target(distclean @echo cleaning CMake files)
+set(DISTCLEANFILES
+cmake.depends
+cmake.check_depends
+CMakeCache.txt
+*/CMakeCache.txt
+CMakeFiles
+*/CMakeFiles
+Makefile
+*/Makefile
+)
+
+add_custom_command(
+DEPENDS clean
+COMMENT "distribution clean"
+COMMAND rm
+ARGS -Rf ${DISTCLEANFILES}
+TARGET distclean
+)
+endif()