build-sys: allow cross-compilation

[elogind.git] / Makefile.am

diff --git a/Makefile.am b/Makefile.am
index 4330db06dddf06712bb718c5d7c700d2ff2daf26..694ec57a9b89d154b704be767514d6f379f6b28b 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -1118,8 +1118,12 @@ CLEANFILES += \
        ${XML_IN_FILES:.xml.in=.html.in}
 endif
 
+DBUS_PREPROCESS = $(CPP) -P $(DBUS_CFLAGS) -imacros dbus/dbus-protocol.h
+
 org.freedesktop.systemd1.%.xml: systemd
-       $(AM_V_GEN)SYSTEMD_SKIP_API_MOUNTS=1 ./systemd --introspect=${@:.xml=} > $@
+       $(AM_V_GEN)$(OBJCOPY) -O binary -j introspect.$* $< $@.tmp && \
+               $(STRINGS) $@.tmp | $(AWK) -f introspect.awk | \
+               $(DBUS_PREPROCESS) -o $@ - && rm $@.tmp
 
 CLEANFILES += \
        $(dbusinterface_DATA)