dev-python/yara-python: link to libyara.so

Closes: https://bugs.gentoo.org/800260
Package-Manager: Portage-3.0.20, Repoman-3.0.3
Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-python/yara-python/files/yara-python-4.1.0-system-libyara.patch

@@ -0,0 +1,10 @@
+--- a/setup.py
++++ b/setup.py
+@@ -370,5 +370,6 @@
+         'update': UpdateCommand},
+     ext_modules=[Extension(
+         name='yara',
+-        include_dirs=['yara/libyara/include', 'yara/libyara/', '.'],
++        include_dirs=['/usr/include', 'yara/libyara/include', 'yara/libyara/', '.'],
++	libraries=['yara'],
+         sources=['yara-python.c'])])

dev-python/yara-python/yara-python-4.1.0.ebuild

@@ -1,11 +1,12 @@
 # Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
-PYTHON_COMPAT=( python3_{8..10} pypy3 )
+#with pypy3 undefined symbol: PyDescr_NewGetSet
+PYTHON_COMPAT=( python3_{8..10} )
 
-inherit distutils-r1 eutils
+inherit distutils-r1
 
 DESCRIPTION="Python interface for a malware identification and classification tool"
 HOMEPAGE="https://github.com/VirusTotal/yara-python"
@@ -21,6 +22,8 @@ RDEPEND="
 "
 DEPEND="${RDEPEND}"
 
+PATCHES=( "${FILESDIR}/${P}-system-libyara.patch" )
+
 distutils_enable_tests setup.py
 
 compile_python() {