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[XEN PATCH v8 43/47] WIP, no-VPATH: build object from generated assembly source file
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Date: Thu, 25 Nov 2021 13:40:02 +0000
- Authentication-results: esa6.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, "Ian Jackson" <iwj@xxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Thu, 25 Nov 2021 13:48:20 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
gen-objs-c and gen-objs-S can't have the list of targets.
Alternative, merge both list and use $(filter ).
Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
xen/Rules.mk | 6 ++++++
xen/build.mk | 7 +++++++
2 files changed, 13 insertions(+)
diff --git a/xen/Rules.mk b/xen/Rules.mk
index 44af005fd57e..2d8d32f5fd72 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -26,6 +26,7 @@ lib-y :=
targets :=
## targets made from generated sources
gen-objs-c :=
+gen-objs-S :=
subdir-y :=
CFLAGS-y :=
AFLAGS-y :=
@@ -99,6 +100,7 @@ lib-y := $(addprefix $(obj)/,$(lib-y))
obj-y := $(addprefix $(obj)/,$(obj-y))
obj-bin-y := $(addprefix $(obj)/,$(obj-bin-y))
gen-objs-c := $(addprefix $(obj)/,$(gen-objs-c))
+gen-objs-S := $(addprefix $(obj)/,$(gen-objs-S))
subdir-y := $(addprefix $(obj)/,$(subdir-y))
nocov-y := $(addprefix $(obj)/,$(nocov-y))
noubsan-y := $(addprefix $(obj)/,$(noubsan-y))
@@ -255,6 +257,10 @@ $(obj)/%.o: $(srctree)/$(src)/%.c FORCE
quiet_cmd_cc_o_S = CC $@
cmd_cc_o_S = $(CC) $(a_flags) -c $< -o $@
+ifdef building_out_of_srctree
+$(gen-objs-S): $(obj)/%.o: $(obj)/%.S FORCE
+ $(call if_changed_dep,cc_o_S)
+endif
$(obj)/%.o: $(src)/%.S FORCE
$(call if_changed_dep,cc_o_S)
diff --git a/xen/build.mk b/xen/build.mk
index 7b48b7eb1404..2f2cbbbeabf8 100644
--- a/xen/build.mk
+++ b/xen/build.mk
@@ -83,6 +83,13 @@ prelink.o: $(ALL_OBJS) $(ALL_LIBS) FORCE
$(call if_changed,ld)
endif
+# Source generated in arch/*/Makefile to build $(TARGET)-syms
+gen-objs-S += .$(TARGET)-syms.0.o
+gen-objs-S += .$(TARGET)-syms.1.o
+# Source generated in arch/*/Makefile to build $(TARGET).efi
+gen-objs-S += .$(TARGET).efi.0r.o .$(TARGET).efi.0s.o
+gen-objs-S += .$(TARGET).efi.1r.o .$(TARGET).efi.1s.o
+
targets += prelink.o
$(TARGET): prelink.o FORCE
--
Anthony PERARD
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