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to work around the issue that the gajim module cannot be found

Makefile.am

@@ -11,14 +11,17 @@ EXTRA_DIST = \
 	intltool-merge.in 	\
 	intltool-update.in	\
 	win \
-	scripts/gajim \
+	scripts/gajim.in \
-	scripts/gajim-history-manager \
+	scripts/gajim-history-manager.in \
-	scripts/gajim-remote
+	scripts/gajim-remote.in
 
 DISTCLEANFILES = 		\
 	intltool-extract 	\
 	intltool-merge 		\
-	intltool-update
+	intltool-update		\
+	scripts/gajim		\
+	scripts/gajim-remote	\
+	scripts/gajim-history-manager
 
 MAINTAINERCLEANFILES = \
 	configure \

configure.ac

@@ -41,6 +41,7 @@ AM_PATH_PYTHON([3.5])
 AC_SUBST([gajim_srcdir], [\${pkgpythondir}])
 AC_SUBST([gajim_pluginsdir], [\${datadir}/\${PACKAGE}/plugins])
 
+AS_AC_EXPAND(PY_SITEDIR, "${pythondir}")
 AS_AC_EXPAND(GAJIM_SRCDIR, "${gajim_srcdir}")
 AS_AC_EXPAND(PKGDATADIR, "${datadir}/${PACKAGE}")
 AS_AC_EXPAND(DOCDIR, "${docdir}")
@@ -65,6 +66,9 @@ AC_CONFIG_FILES([
 	data/gajim-remote.desktop.in
 	data/defs.py
 	gajim/Makefile
+	scripts/gajim
+	scripts/gajim-history-manager
+	scripts/gajim-remote
 	po/Makefile.in
 	plugins/Makefile
 ])

scripts/gajim-history-manager.in

@@ -27,6 +27,8 @@ if sys.platform != 'win32':
     if os.geteuid() == 0:
         sys.exit("You must not launch gajim as root, it is insecure.")
 
+sys.path.append("@PY_SITEDIR@")
+
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk

scripts/gajim-remote.in

@@ -26,6 +26,8 @@ import sys
 if os.geteuid() == 0:
     sys.exit("You must not launch gajim as root, it is insecure.")
 
+sys.path.append("@PY_SITEDIR@")
+
 import gajim.gajim_remote as g
 
 g.GajimRemote()

scripts/gajim.in

@@ -27,6 +27,8 @@ if sys.platform != 'win32':
     if os.geteuid() == 0:
         sys.exit("You must not launch gajim as root, it is insecure.")
 
+sys.path.append("@PY_SITEDIR@")
+
 import gajim.gajim as g
 
 g.GajimApplication().run(sys.argv)