$ comm -12 <(/usr/lib/rpm/provided_symbols /usr/lib64/libpng16.so.16 |sort) \ <(/usr/lib/rpm/provided_symbols /usr/bin/xvic |sort) png_access_version_number png_chunk_error png_chunk_warning png_convert_from_struct_tm png_convert_from_time_t png_convert_to_rfc1123 png_create_info_struct png_create_write_struct png_create_write_struct_2 png_data_freer png_destroy_info_struct png_destroy_write_struct png_error png_free png_free_data png_free_default png_get_copyright png_get_error_ptr png_get_header_ver png_get_header_version png_get_io_ptr png_get_libpng_ver png_get_mem_ptr png_get_user_transform_ptr png_handle_as_unknown png_info_init_3 png_init_io png_malloc png_malloc_default png_malloc_warn png_permit_mng_features png_reset_zstream png_save_int_32 png_save_uint_16 png_save_uint_32 png_set_add_alpha png_set_bgr png_set_bKGD png_set_cHRM png_set_cHRM_fixed png_set_compression_buffer_size png_set_compression_level png_set_compression_mem_level png_set_compression_method png_set_compression_strategy png_set_compression_window_bits png_set_error_fn png_set_filler png_set_filter png_set_filter_heuristics png_set_flush png_set_gAMA png_set_gAMA_fixed png_set_hIST png_set_iCCP png_set_IHDR png_set_interlace_handling png_set_invalid png_set_invert_alpha png_set_invert_mono png_set_keep_unknown_chunks png_set_mem_fn png_set_oFFs png_set_packing png_set_packswap png_set_pCAL png_set_pHYs png_set_PLTE png_set_read_user_chunk_fn png_set_rows png_set_sBIT png_set_sCAL png_set_shift png_set_sig_bytes png_set_sPLT png_set_sRGB png_set_sRGB_gAMA_and_cHRM png_set_swap png_set_swap_alpha png_set_text png_set_tIME png_set_tRNS png_set_unknown_chunk_location png_set_unknown_chunks png_set_user_limits png_set_user_transform_info png_set_write_fn png_set_write_status_fn png_set_write_user_transform_fn png_sig_cmp png_warning png_write_chunk png_write_chunk_data png_write_chunk_end png_write_chunk_start png_write_end png_write_flush png_write_image png_write_info png_write_info_before_PLTE png_write_png png_write_row png_write_rows png_write_sig $ grep -F png beehive/logs/Sisyphus-x86_64/latest/success/vice-2.1-alt9 [...] checking for png.h... yes checking for png_check_sig in -lpng... no [...] Making all in lib/lpng [...] ar cru libpng.a png.o pngerror.o pngget.o pngmem.o pngpread.o pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o
