Created attachment 300605 [details] the build log Testing progress package against pypy 1.7. building 'gmpy' extension creating build-2.7-pypy-1.7 creating build-2.7-pypy-1.7/temp.linux-x86_64-2.7 creating build-2.7-pypy-1.7/temp.linux-x86_64-2.7/src x86_64-pc-linux-gnu-gcc -march=native -pipe -O2 -fno-strict-aliasing -fPIC -I./src -I/usr/include -I/usr/lib64/pypy1.7/include -c src/gmpy.c -o build-2.7-pypy-1.7/temp.linux-x86_64-2.7/src/gmpy.o In file included from src/gmpy.c:338:0: src/mpz_pylong.c:68:23: error: expected header file trouble again (my guess) Never got started all down hill from there.
PyPy ABIs restricted in r1727.