Need program_options for tests

Makefile.am

@@ -93,7 +93,7 @@ tsp_solver_tests_SOURCES = tsp_solver_tests.cpp tsp_solver.hpp boost_unit_test.c
 units_tests_SOURCES = units_tests.cpp units.hpp boost_unit_test.cpp
 available_drills_tests_SOURCES = available_drills_tests.cpp available_drills.hpp boost_unit_test.cpp
 gerberimporter_tests_SOURCES = gerberimporter.hpp gerberimporter.cpp gerberimporter_tests.cpp merge_near_points.hpp merge_near_points.cpp eulerian_paths.cpp eulerian_paths.hpp segmentize.cpp segmentize.hpp boost_unit_test.cpp bg_helpers.cpp bg_helpers.hpp bg_operators.hpp bg_operators.cpp geos_helpers.hpp geos_helpers.cpp
-gerberimporter_tests_LDFLAGS = $(glibmm_LIBS) $(gdkmm_LIBS) $(rsvg_LIBS)
+gerberimporter_tests_LDFLAGS = $(glibmm_LIBS) $(gdkmm_LIBS) $(rsvg_LIBS) $(BOOST_PROGRAM_OPTIONS_LDFLAGS)
 gerberimporter_tests_CPPFLAGS = $(AM_CPPFLAGS) $(glibmm_CFLAGS) $(gdkmm_CFLAGS) $(rsvg_CFLAGS)
 options_tests_SOURCES = options_tests.cpp options.hpp options.cpp boost_unit_test.cpp
 autoleveller_tests_SOURCES = autoleveller_tests.cpp autoleveller.hpp autoleveller.cpp options.cpp options.hpp boost_unit_test.cpp bg_operators.hpp bg_operators.cpp bg_helpers.hpp bg_helpers.cpp eulerian_paths.hpp eulerian_paths.cpp segmentize.hpp segmentize.cpp merge_near_points.hpp merge_near_points.cpp geos_helpers.hpp geos_helpers.cpp