My program is using images. I added fltk_images library and received message:
" [Linker error] undefined reference to
`Fl_Shared_Image::add_handler(Fl_Image* (*)(char const*, unsigned char*, int))'
[Linker error] undefined reference to `jpeg_std_error'
[Linker error] undefined reference to `jpeg_finish_decompress'
[Linker error] undefined reference to `jpeg_destroy_decompress'
[Linker error] undefined reference to `jpeg_CreateDecompress'
[Linker error] undefined reference to `jpeg_stdio_src'
[Linker error] undefined reference to `jpeg_read_header'
[Linker error] undefined reference to `jpeg_calc_output_dimensions'
[Linker error] undefined reference to `jpeg_start_decompress'
[Linker error] undefined reference to `jpeg_read_scanlines'
[Linker error] undefined reference to `jpeg_finish_decompress'
[Linker error] undefined reference to `jpeg_destroy_decompress'
[Linker error] undefined reference to `jpeg_std_error'
[Linker error] undefined reference to `jpeg_finish_decompress'
[Linker error] undefined reference to `jpeg_destroy_decompress'
[Linker error] undefined reference to `jpeg_CreateDecompress'
[Linker error] undefined reference to `jpeg_stdio_src'
[Linker error] undefined reference to `jpeg_read_header'
[Linker error] undefined reference to `jpeg_calc_output_dimensions'
[Linker error] undefined reference to `jpeg_start_decompress'
[Linker error] undefined reference to `jpeg_read_scanlines'
[Linker error] undefined reference to `jpeg_finish_decompress'
[Linker error] undefined reference to `jpeg_destroy_decompress'
[Linker error] undefined reference to `png_create_read_struct'
[Linker error] undefined reference to `png_create_info_struct'
[Linker error] undefined reference to `png_init_io'
[Linker error] undefined reference to `png_read_info'
[Linker error] undefined reference to `png_set_expand'
[Linker error] undefined reference to `png_set_packing'
[Linker error] undefined reference to `png_set_expand'
[Linker error] undefined reference to `png_set_strip_16'
[Linker error] undefined reference to `png_set_interlace_handling'
[Linker error] undefined reference to `png_read_rows'
[Linker error] undefined reference to `png_read_end'
[Linker error] undefined reference to `png_destroy_read_struct'
[Linker error] undefined reference to `png_create_read_struct'
[Linker error] undefined reference to `png_create_info_struct'
[Linker error] undefined reference to `png_init_io'
[Linker error] undefined reference to `png_read_info'
[Linker error] undefined reference to `png_set_expand'
[Linker error] undefined reference to `png_set_packing'
[Linker error] undefined reference to `png_set_expand'
[Linker error] undefined reference to `png_set_strip_16'
[Linker error] undefined reference to `png_set_interlace_handling'
[Linker error] undefined reference to `png_read_rows'
[Linker error] undefined reference to `png_read_end'
[Linker error] undefined reference to `png_destroy_read_struct'
ld returned 1 exit status "
Also it doesn't use png and jpeg. I'm using Dev-C++ IDE and fltk 1.1.7 DevPak.
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