dev-python/python_orocos_kdl: set prefix=None instead of "" to let autodetection of python libdir work.

Package-Manager: portage-2.2.27
Signed-off-by: Alexis Ballier <aballier@gentoo.org>

dev-python/python_orocos_kdl/files/libdir.patch

@@ -0,0 +1,13 @@
+Index: python_orocos_kdl/CMakeLists.txt
+===================================================================
+--- python_orocos_kdl.orig/CMakeLists.txt
++++ python_orocos_kdl/CMakeLists.txt
+@@ -8,7 +8,7 @@ link_directories(${orocos_kdl_LIBRARY_DI
+ 
+ find_package(PythonInterp REQUIRED)
+ find_package(PythonLibs ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR} REQUIRED)
+-execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(plat_specific=True, prefix=''))" OUTPUT_VARIABLE PYTHON_SITE_PACKAGES OUTPUT_STRIP_TRAILING_WHITESPACE)
++execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(plat_specific=True, prefix=None))" OUTPUT_VARIABLE PYTHON_SITE_PACKAGES OUTPUT_STRIP_TRAILING_WHITESPACE)
+ list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
+ find_package(SIP REQUIRED)
+ include(SIPMacros)

dev-python/python_orocos_kdl/python_orocos_kdl-1.3.0.ebuild

@@ -32,7 +32,7 @@ RDEPEND="
 	dev-python/sip[${PYTHON_USEDEP}]
 "
 DEPEND="${RDEPEND}"
-PATCHES=( "${FILESDIR}/py3.patch" )
+PATCHES=( "${FILESDIR}/py3.patch" "${FILESDIR}/libdir.patch" )
 
 if [ "${PV#9999}" != "${PV}" ] ; then
 	S=${WORKDIR}/${P}/python_orocos_kdl

dev-python/python_orocos_kdl/python_orocos_kdl-9999.ebuild

@@ -32,6 +32,7 @@ RDEPEND="
 	dev-python/sip[${PYTHON_USEDEP}]
 "
 DEPEND="${RDEPEND}"
+PATCHES=( "${FILESDIR}/libdir.patch" )
 
 if [ "${PV#9999}" != "${PV}" ] ; then
 	S=${WORKDIR}/${P}/python_orocos_kdl