distutils: Fix STAGING_{INC,LIB}DIR for setup.py

install(1) does not use STAGING_{INC,LIB}DIR, so it seems these
invocations of install(1) were added at this location in error. Fix this
by moving the install(1) call to the top and defining the
STAGING_{INC,LIB}DIR variables for setup.py.

Signed-off-by: Clemens Lang <clemens.lang@bmw-carit.de>

meta/classes/distutils-tools.bbclass

@@ -19,9 +19,9 @@ distutils_stage_headers() {
 }
 
 distutils_stage_all() {
+        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
         STAGING_INCDIR=${STAGING_INCDIR} \
         STAGING_LIBDIR=${STAGING_LIBDIR} \
-        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
         PYTHONPATH=${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR} \
         ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py install ${DISTUTILS_STAGE_ALL_ARGS} || \
         bbfatal_log "${PYTHON_PN} setup.py install (stage) execution failed."

meta/classes/distutils.bbclass

@@ -21,9 +21,9 @@ distutils_stage_headers() {
 }
 
 distutils_stage_all() {
+        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
         STAGING_INCDIR=${STAGING_INCDIR} \
         STAGING_LIBDIR=${STAGING_LIBDIR} \
-        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
         PYTHONPATH=${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR} \
         ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py install ${DISTUTILS_STAGE_ALL_ARGS} || \
         bbfatal_log "${PYTHON_PN} setup.py install (stage) execution failed."

meta/classes/distutils3.bbclass

@@ -25,9 +25,9 @@ distutils3_stage_headers() {
 distutils3_stage_headers[vardepsexclude] = "MACHINE"
 
 distutils3_stage_all() {
+        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
         STAGING_INCDIR=${STAGING_INCDIR} \
         STAGING_LIBDIR=${STAGING_LIBDIR} \
-        install -d ${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
         PYTHONPATH=${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR} \
         ${STAGING_BINDIR_NATIVE}/${PYTHON_PN}-native/${PYTHON_PN} setup.py install ${DISTUTILS_STAGE_ALL_ARGS} || \
         bbfatal_log "${PYTHON_PN} setup.py install (stage) execution failed."