if HAVE_LIBPNG libgd_test_programs += \ gdimagecopyresampled/basic \ gdimagecopyresampled/basic_alpha \ gdimagecopyresampled/exact_alpha \ gdimagecopyresampled/bug00201 endif EXTRA_DIST += \ gdimagecopyresampled/CMakeLists.txt \ gdimagecopyresampled/basic_exp.png \ gdimagecopyresampled/basic_alpha_exp.png \ gdimagecopyresampled/bug00201_src.png \ gdimagecopyresampled/bug00201_exp.png