frozenbubble2 doesn't build on leopard

[adwolf1@…]

frozenbubble2 doesn't build on leopard. Here's the build output, works up until here:

--->  Building libsdl_image-framework
Error: Target org.macports.build returned: shell command "cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6" && xcodebuild -project Xcode/SDL_image.xcodeproj -target "Framework" -configuration Deployment build OBJROOT=build/ SYMROOT=build/ " returned error 1
Command output:       _IMG_LoadBMP_RW in IMG_bmp.o
  "_png_destroy_read_struct", referenced from:
      _png_destroy_read_struct$non_lazy_ptr in IMG_png.o
  "_png_set_packing", referenced from:
      _png_set_packing$non_lazy_ptr in IMG_png.o
  "_jpeg_destroy_decompress", referenced from:
      _jpeg_destroy_decompress$non_lazy_ptr in IMG_jpg.o
  "_png_get_valid", referenced from:
      _png_get_valid$non_lazy_ptr in IMG_png.o
  "_jpeg_read_header", referenced from:
      _jpeg_read_header$non_lazy_ptr in IMG_jpg.o
  "_png_set_gray_to_rgb", referenced from:
      _png_set_gray_to_rgb$non_lazy_ptr in IMG_png.o
  "_png_get_io_ptr", referenced from:
      _png_get_io_ptr$non_lazy_ptr in IMG_png.o
  "_jpeg_start_decompress", referenced from:
      _jpeg_start_decompress$non_lazy_ptr in IMG_jpg.o
  "_png_sig_cmp", referenced from:
      _png_sig_cmp$non_lazy_ptr in IMG_png.o
  "_jpeg_std_error", referenced from:
      _jpeg_std_error$non_lazy_ptr in IMG_jpg.o
  "_png_read_image", referenced from:
      _png_read_image$non_lazy_ptr in IMG_png.o
ld: symbol(s) not found
collect2: ld returned 1 exit status

Ld /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6/Xcode/build/SDL_image.build/Deployment/Framework.build/Objects-normal/i386/SDL_image normal i386
    cd /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6/Xcode
    /Developer/usr/bin/gcc-4.0 -o /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6/Xcode/build/SDL_image.build/Deployment/Framework.build/Objects-normal/i386/SDL_image -L/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6/Xcode/build/Deployment -L/opt/local/lib -F/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6/Xcode/build/Deployment -F/Developer/SDKs/MacOSX10.4u.sdk/Library/Frameworks -F/Developer/SDKs/MacOSX10.4u.sdk/Library/Frameworks -filelist /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_libsdl_image-framework/work/SDL_image-1.2.6/Xcode/build/SDL_image.build/Deployment/Framework.build/Objects-normal/i386/SDL_image.LinkFileList -framework SDL -arch i386 -exported_symbols_list exports/SDL_image.x -prebind -Wl,-single_module -compatibility_version 1 -current_version 1 -install_name @executable_path/../Frameworks/SDL_image.framework/Versions/A/SDL_image -dynamiclib -mmacosx-version-min=10.4 -seg1addr 0x31000000 -ljpeg -lpng -lz -isysroot /Developer/SDKs/MacOSX10.4u.sdk
** BUILD FAILED **

Error: The following dependencies failed to build: p5-sdl_perl libsdl_image-framework libsdl_mixer-framework libsdl_ttf-framework
Error: Status 1 encountered during processing.

[afb@…]

Duplicate, #13724.