Add riscv triplet detection

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

Python-3.6.10-riscv-triplets.patch

@@ -0,0 +1,19 @@
+diff --git a/configure.ac b/configure.ac
+index c071ec3..53ed6cd 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -846,6 +846,14 @@ cat >> conftest.c <<EOF
+         sparc64-linux-gnu
+ # elif defined(__sparc__)
+         sparc-linux-gnu
++# elif defined(__riscv)
++#  if __riscv_xlen == 32
++        riscv32-linux-gnu
++#  elif __riscv_xlen == 64
++        riscv64-linux-gnu
++#  else
++#   error unknown platform triplet
++#  endif
+ # else
+ #   error unknown platform triplet
+ # endif

python3.6.spec

@@ -17,7 +17,7 @@ URL: https://www.python.org/
 #global prerel ...
 %global upstream_version %{general_version}%{?prerel}
 Version: %{general_version}%{?prerel:~%{prerel}}
-Release: 5%{?dist}
+Release: 5.0.riscv64%{?dist}
 License: Python
 
 
@@ -365,6 +365,9 @@ Patch294: 00294-define-TLS-cipher-suite-on-build-time.patch
 # https://github.com/python/cpython/commit/ac827edc493d3ac3f5b9b0cc353df1d4b418a9aa
 Patch343: 00343-faulthandler-gcc10.patch
 
+# Add riscv64-linux-gnu to the triplet detection
+Patch500: Python-3.6.10-riscv-triplets.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -653,6 +656,7 @@ rm Lib/ensurepip/_bundled/*.whl
 %patch294 -p1
 %patch343 -p1
 
+%patch500 -p1
 
 # Remove files that should be generated by the build
 # (This is after patching, so that we can use patches directly from upstream)
@@ -1050,7 +1054,7 @@ CheckPython() {
     %ifarch ppc64le aarch64
     -x test_faulthandler \
     %endif
-    %ifarch %{mips64}
+    %ifarch %{mips64} riscv64
     -x test_ctypes \
     %endif
     %ifarch ppc64le
@@ -1529,6 +1533,9 @@ CheckPython optimized
 # ======================================================
 
 %changelog
+* Mon Jun 01 2020 David Abdurachmanov <david.abdurachmanov@sifive.com> - 3.6.10-5.0.riscv64
+- Disable test_ctypes test for riscv64
+
 * Thu May 28 2020 Victor Stinner <vstinner@python.org> - 3.6.10-5
 - Fix python3-config --configdir (rhbz#1772988).