Disable gdb / gdb_hooks; add riscv64 triplet detection

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

python-3.6.4-add-riscv64-linux-gnu.patch

@@ -0,0 +1,13 @@
+diff --git a/configure.ac b/configure.ac
+index 4b42393..2394669 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -846,6 +846,8 @@ cat >> conftest.c <<EOF
+         sparc64-linux-gnu
+ # elif defined(__sparc__)
+         sparc-linux-gnu
++# elif defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
++       riscv64-linux-gnu
+ # else
+ #   error unknown platform triplet
+ # endif

python3.spec

@@ -14,7 +14,7 @@ URL: https://www.python.org/
 #  WARNING  When rebasing to a new Python version,
 #           remember to update the python3-docs package as well
 Version: %{pybasever}.5
-Release: 4%{?dist}
+Release: 4.0.riscv64%{?dist}
 License: Python
 
 
@@ -61,7 +61,11 @@ License: Python
 %endif
 
 # Support for the GDB debugger
+%ifnarch riscv64
 %bcond_without gdb_hooks
+%else
+%bcond_with gdb_hooks
+%endif
 
 # The dbm.gnu module (key-value database)
 %bcond_without gdbm
@@ -205,7 +209,9 @@ BuildRequires: openssl-devel
 BuildRequires: pkgconfig
 BuildRequires: readline-devel
 BuildRequires: sqlite-devel
+%ifnarch riscv64
 BuildRequires: gdb
+%endif
 
 BuildRequires: tar
 BuildRequires: tcl-devel
@@ -380,6 +386,10 @@ Patch301: 00301-pathfix-add-n-option-for-no-backup.patch
 # and: https://bugs.python.org/issue33329
 Patch302: 00302-fix-multiprocessing-regression-on-newer-glibcs.patch
 
+# Add riscv64-linux-gnu to the triplet detection based on
+# pre-processor arch defines
+Patch400: python-3.6.4-add-riscv64-linux-gnu.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -699,6 +709,8 @@ sed -r -i s/'_PIP_VERSION = "[0-9.]+"'/'_PIP_VERSION = "%{pip_version}"'/ Lib/en
 %patch301 -p1
 %patch302 -p1
 
+# riscv64
+%patch400 -p1
 
 # Remove files that should be generated by the build
 # (This is after patching, so that we can use patches directly from upstream)
@@ -1586,6 +1598,10 @@ CheckPython optimized
 # ======================================================
 
 %changelog
+* Mon May 07 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 3.6.5-4.0.riscv64
+- Disable gdb / gdb_hooks for riscv64
+- Add riscv64 triplet patch
+
 * Mon Apr 23 2018 Miro Hrončok <mhroncok@redhat.com> - 3.6.5-4
 - Fix multiprocessing regression on newer glibcs
 - Enable test_multiprocessing_fork(server) and _spawn again