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[XEN PATCH v8 41/47] WIP, no-VPATH: build object from generated C files
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Date: Thu, 25 Nov 2021 13:40:00 +0000
- Authentication-results: esa3.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Anthony PERARD <anthony.perard@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxx>, 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 13:47:00 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
From: Anthony PERARD <anthony.perard@xxxxxxxxx>
we need to tell that the efi source files are "generated"
Maybe listing generated sources would be better, and then we can
automaticaly select the right rule.
Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
xen/Rules.mk | 9 ++++++++-
xen/common/efi/efi_common.mk | 3 +++
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/xen/Rules.mk b/xen/Rules.mk
index 45d2b72158b8..44af005fd57e 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -24,6 +24,8 @@ include $(srctree)/scripts/Kbuild.include
obj-y :=
lib-y :=
targets :=
+## targets made from generated sources
+gen-objs-c :=
subdir-y :=
CFLAGS-y :=
AFLAGS-y :=
@@ -96,6 +98,7 @@ targets := $(addprefix $(obj)/,$(targets))
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))
subdir-y := $(addprefix $(obj)/,$(subdir-y))
nocov-y := $(addprefix $(obj)/,$(nocov-y))
noubsan-y := $(addprefix $(obj)/,$(noubsan-y))
@@ -242,7 +245,11 @@ define rule_cc_o_c
$(call cmd,objcopy_fix_sym)
endef
-$(obj)/%.o: $(src)/%.c FORCE
+ifdef building_out_of_srctree
+$(gen-objs-c): $(obj)/%.o: $(obj)/%.c FORCE
+ $(call if_changed_rule,cc_o_c)
+endif
+$(obj)/%.o: $(srctree)/$(src)/%.c FORCE
$(call if_changed_rule,cc_o_c)
quiet_cmd_cc_o_S = CC $@
diff --git a/xen/common/efi/efi_common.mk b/xen/common/efi/efi_common.mk
index d059bb30afa5..232cb508ee85 100644
--- a/xen/common/efi/efi_common.mk
+++ b/xen/common/efi/efi_common.mk
@@ -1,6 +1,9 @@
EFIOBJ-y := boot.init.o pe.init.o ebmalloc.o runtime.o
EFIOBJ-$(CONFIG_COMPAT) += compat.o
+# common-efi-objs := boot.c compat.c ebmalloc.c pe.c runtime.c
+gen-objs-c := boot.o compat.o ebmalloc.o pe.o runtime.o
+
CFLAGS-y += -fshort-wchar
CFLAGS-y += -iquote $(srctree)/common/efi
CFLAGS-y += -iquote $(srcdir)
--
Anthony PERARD
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