if HAVE_LIBPNG
libgd_test_programs += \
gdimagepolygon/gdimagepolygon0 \
gdimagepolygon/gdimagepolygon1 \
gdimagepolygon/gdimagepolygon2 \
gdimagepolygon/gdimagepolygon3
endif
EXTRA_DIST += \
gdimagepolygon/CMakeLists.txt \
gdimagepolygon/gdimagepolygon0.png \
gdimagepolygon/gdimagepolygon1.png \
gdimagepolygon/gdimagepolygon2.png \
gdimagepolygon/gdimagepolygon3.png