cython3

https://github.com/seccomp/libseccomp/pull/188

From 8d09eb9314ad00aa0584345ae66d4419b38da8e0 Mon Sep 17 00:00:00 2001
From: Paul Moore <paul@paul-moore.com>
Date: Wed, 13 Nov 2019 20:54:25 -0500
Subject: [PATCH] build: try to use explicitly marked Python 3.x tools first

Python 2.x is going EOL very soon, so let's require Python 3.x now
and attempt to use the explicitly marked Python 3.x tools first.

Signed-off-by: Paul Moore <paul@paul-moore.com>
Gbp-Pq: Name cython3.patch

diff --git a/configure.ac b/configure.ac
index 2ce2188fd84abfff608999f15ad4fd67e0f0dfe3..addda88d164f1aa9e0fb3b75a05dd6e90cbab3a0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -91,11 +91,11 @@ AC_SUBST([VERSION_MICRO])
 dnl ####
 dnl cython checks
 dnl ####
-AC_CHECK_PROG(have_cython, cython, "yes", "no")
-AS_IF([test "$have_cython" = yes], [
-       AS_ECHO("checking cython version... $(cython -V 2>&1 | cut -d' ' -f 3)")
-       CYTHON_VER_MAJ=$(cython -V 2>&1 | cut -d' ' -f 3 | cut -d'.' -f 1);
-       CYTHON_VER_MIN=$(cython -V 2>&1 | cut -d' ' -f 3 | cut -d'.' -f 2);
+AC_CHECK_PROGS(cython, cython3 cython, "no")
+AS_IF([test "$cython" != no], [
+       AS_ECHO("checking cython version... $($cython -V 2>&1 | cut -d' ' -f 3)")
+       CYTHON_VER_MAJ=$($cython -V 2>&1 | cut -d' ' -f 3 | cut -d'.' -f 1);
+       CYTHON_VER_MIN=$($cython -V 2>&1 | cut -d' ' -f 3 | cut -d'.' -f 2);
 ],[
        CYTHON_VER_MAJ=0
        CYTHON_VER_MIN=0
@@ -112,7 +112,7 @@ AS_IF([test "$enable_python" = yes], [
        AS_IF([test "$CYTHON_VER_MAJ" -eq 0 -a "$CYTHON_VER_MIN" -lt 29], [
                AC_MSG_ERROR([python bindings require cython 0.29 or higher])
        ])
-       AM_PATH_PYTHON
+       AM_PATH_PYTHON([3])
 ])
 AM_CONDITIONAL([ENABLE_PYTHON], [test "$enable_python" = yes])
 AC_DEFINE_UNQUOTED([ENABLE_PYTHON],