Hi all, I am getting the following error when running `python setup.py install` for Numpy in Cygwin. This error happens on the latest as well as the maintenance branched for 1.5 and 1.6. ... creating build/temp.cygwin-1.7.11-i686-2.6 creating build/temp.cygwin-1.7.11-i686-2.6/build creating build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6 creating build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy creating build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core creating build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core/src creating build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath creating build/temp.cygwin-1.7.11-i686-2.6/numpy creating build/temp.cygwin-1.7.11-i686-2.6/numpy/core creating build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src creating build/temp.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath compile options: '-Inumpy/core/include -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/include/numpy -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/src/npysort -Inumpy/core/include -I/usr/include/python2.6 -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/multiarray -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/umath -c' gcc: build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/npy_math.c gcc: build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/ieee754.c numpy/core/src/npymath/ieee754.c.src:590:25: fatal error: fenv/fenv.c: No such file or directory compilation terminated. numpy/core/src/npymath/ieee754.c.src:590:25: fatal error: fenv/fenv.c: No such file or directory compilation terminated. error: Command "gcc -fno-strict-aliasing -g -O2 -pipe -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -Inumpy/core/include -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/include/numpy -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/src/npysort -Inumpy/core/include -I/usr/include/python2.6 -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/multiarray -Ibuild/src.cygwin-1.7.11-i686-2.6/numpy/core/src/umath -c build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/ieee754.c -o build/temp.cygwin-1.7.11-i686-2.6/build/src.cygwin-1.7.11-i686-2.6/numpy/core/src/npymath/ieee754.o" failed with exit status 1 Thanks