install bash completion where pkg-config tells us to

Signed-off-by: Evgeni Golov <evgeni@debian.org>

config/bash/Makefile.am

@@ -1,14 +1,5 @@
 EXTRA_DIST = lxc
 
 if ENABLE_BASH
-install-bash:
-	$(MKDIR_P) $(DESTDIR)$(sysconfdir)/bash_completion.d/
-	$(INSTALL_DATA) lxc $(DESTDIR)$(sysconfdir)/bash_completion.d/
-
-uninstall-bash:
-	rm -f $(DESTDIR)$(sysconfdir)/bash_completion.d/lxc
-	rmdir $(DESTDIR)$(sysconfdir)/bash_completion.d/ || :
-
-install-data-local: install-bash
-uninstall-local: uninstall-bash
+dist_bashcomp_DATA = lxc
 endif

configure.ac

@@ -479,6 +479,14 @@ AC_ARG_ENABLE([bash],
 	[], [enable_bash=yes])
 AM_CONDITIONAL([ENABLE_BASH], [test "x$enable_bash" = "xyes"])
 
+AM_COND_IF([ENABLE_BASH],
+	[AC_MSG_CHECKING([bash completion directory])
+	PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir], ,
+		bashcompdir="${sysconfdir}/bash_completion.d")
+	AC_MSG_RESULT([$bashcompdir])
+	AC_SUBST(bashcompdir)
+	])
+
 # Optional test binaries
 AC_ARG_ENABLE([tests],
 	[AC_HELP_STRING([--enable-tests], [build test/example binaries [default=no]])],