ld: Undefined symbols:
  Upp::PNGEncoder::PNGEncoder(int, Upp::ImageKind, bool), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
  Upp::PNGEncoder::~PNGEncoder(), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
  Upp::StreamRaster::LoadFileAny(char const*, Upp::Function<bool (int, int)>), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
  Upp::StreamRasterEncoder::SaveFile(char const*, Upp::Image const&), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
  Upp::PNGRaster__initializer(), referenced from:
      __GLOBAL__sub_I_Cocoa.cpp in Builders.a[9](Cocoa.o)
  Upp::Image::Image(Upp::Image const&), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
  Upp::Image::~Image(), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
      ...
  Upp::Image::operator=(Upp::Image const&), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
  Upp::Rescale(Upp::Image const&, int, int, Upp::Function<bool (int, int)>), referenced from:
      GccBuilder::CocoaAppBundle() in Builders.a[9](Cocoa.o)
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [umk] Error 1
./umk ./uppsrc ide CLANG -brs ./theide
./install: line 106: ./umk: No such file or directory
./install: line 107: ./umk: No such file or directory
Something went wrong.
Please notify developers.