build-sys: fix out-of-tree build

The introspect AWK script is located in the source tree, which is not
necessarily the same as the build tree, so prepend $(srcdir).

diff --git a/Makefile.am b/Makefile.am
index 694ec57a9b89d154b704be767514d6f379f6b28b..a615c3ff2e8e227b194d54a096f1a015b7cd404d 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -1122,7 +1122,7 @@ DBUS_PREPROCESS = $(CPP) -P $(DBUS_CFLAGS) -imacros dbus/dbus-protocol.h
 
 org.freedesktop.systemd1.%.xml: systemd
        $(AM_V_GEN)$(OBJCOPY) -O binary -j introspect.$* $< $@.tmp && \
-               $(STRINGS) $@.tmp | $(AWK) -f introspect.awk | \
+               $(STRINGS) $@.tmp | $(AWK) -f $(srcdir)/introspect.awk | \
                $(DBUS_PREPROCESS) -o $@ - && rm $@.tmp
 
 CLEANFILES += \