also allow building .s files from .c ones

... along the lines of allowing .i files to be built from .c ones as
well as .s from .S (aiding the analysis of occasional build problems).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>

diff --git a/xen/Makefile b/xen/Makefile
index b02e2dd35db4ffbcd65db1cbe7706e0bc7d43ebd..854a370151d5ad232466fdba3910a6f8a4ed9044 100644 (file)
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -195,7 +195,7 @@ _MAP:
 .PHONY: FORCE
 FORCE:
 
-%.o %.i: %.c FORCE
+%.o %.i %.s: %.c FORCE
        $(MAKE) -f $(BASEDIR)/Rules.mk -C $(*D) $(@F)
 
 %.o %.s: %.S FORCE

diff --git a/xen/Rules.mk b/xen/Rules.mk
index 4d182b900654439d842cd333e495b7d1100dc80f..26e5bb6ce12e92a80ac3e94fe509d031a3122e43 100644 (file)
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -177,6 +177,9 @@ $(filter %.init.o,$(obj-y) $(obj-bin-y) $(extra-y)): %.init.o: %.o Makefile
 %.i: %.c Makefile
        $(CPP) $(CFLAGS) $< -o $@
 
+%.s: %.c Makefile
+       $(CC) $(CFLAGS) -S $< -o $@
+
 # -std=gnu{89,99} gets confused by # as an end-of-line comment marker
 %.s: %.S Makefile
        $(CPP) $(AFLAGS) $< -o $@