Bootstrap on riscv64 without SciPy

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

pythran.spec

@@ -1,6 +1,6 @@
 Name:           pythran
 Version:        0.14.0
-Release:        2%{?dist}
+Release:        2.0.riscv64%{?dist}
 Summary:        Ahead of Time Python compiler for numeric kernels
 
 # pythran is BSD
@@ -37,15 +37,21 @@ BuildRequires:  xsimd-devel >= 8
 
 # For docs
 # Avoid building the docs by default on RHEL not to drag pandoc into RHEL:
+%ifnarch riscv64
 %bcond docs %{undefined rhel}
+%else
+%bcond docs 0
+%endif
 %if %{with docs}
 BuildRequires:  pandoc
 %endif
 
 # For tests
+%ifnarch riscv64
 BuildRequires:  python3-pytest
 BuildRequires:  /usr/bin/python
 BuildRequires:  python3-scipy
+%endif
 
 # these packages are not included in RHEL
 %if %{undefined rhel}
@@ -117,6 +123,10 @@ rm -rf docs/_build/html/.{doctrees,buildinfo}
 
 
 %check
+%ifarch riscv64
+exit 0
+%endif
+
 # https://bugzilla.redhat.com/show_bug.cgi?id=1747029#c12
 k="not test_numpy_negative_binomial"
 %if 0%{?__isa_bits} == 32
@@ -170,6 +180,9 @@ k="$k and not test_setup_sdist_install3"
 
 
 %changelog
+* Thu Nov 30 2023 David Abdurachmanov <davidlt@rivosinc.com> - 0.14.0-2.0.riscv64
+- Bootstrap on riscv64 without SciPy
+
 * Thu Oct 05 2023 Benjamin A. Beasley <code@musicinmybrain.net> - 0.14.0-2
 - Fix FTBFS: skip tests that need numpy.distutils
 - On 32-bit, run tests in serial and skip those that exhaust memory