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@@ -45,6 +45,9 @@ Building NumPy requires the following software installed:
2) Compilers
+ Much of NumPy is written in C. You will need a C compiler that complies
+ with the C99 standard.
+
While a FORTRAN 77 compiler is not necessary for building NumPy, it is
needed to run the ``numpy.f2py`` tests. These tests are skipped if the
compiler is not auto-detected.