i get this error in terminal on the v 47.3 source

make powder-x
python getheader.py --64bit

-lpython2.7 -lm -L/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/config -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7
-lpython2.7 -lm -L/Library/Frameworks/Python.framework/Versions/2.7/lib/config -I/Library/Frameworks/Python.framework/Versions/2.7/include
internal
gcc -o powder-x -w -std=c99 -D_POSIX_C_SOURCE=200112L -Iincludes/ -O3 -ffast-math -ftree-vectorize -funsafe-math-optimizations -lm -lbz2 -lSDLmain -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 src/*.c src/elements/*.c -DMACOSX -DPIX32BGRA -arch x86_64 -framework Cocoa -framework SDL -framework Python
ld: framework not found SDL
collect2: ld returned 1 exit status
make: *** [powder-x] Error 1

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