# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID f513384a18ee703af2bd13f1eff16b789ac75cf4
# Parent 5b56d1e1ac8b9aa8d6b13545de772936efdfcaae
Conditionalize building the Xen ACPI driver.
Also introduces some cleanups to the Xen build system.
Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
diff -r 5b56d1e1ac8b -r f513384a18ee xen/Rules.mk
--- a/xen/Rules.mk Sun Mar 19 11:48:51 2006
+++ b/xen/Rules.mk Sun Mar 19 12:13:35 2006
@@ -7,6 +7,15 @@
perfc ?= n
perfc_arrays?= n
crash_debug ?= n
+
+# Hardcoded configuration implications and dependencies.
+# Do this is a neater way if it becomes unwieldy.
+ifeq ($(debug),y)
+verbose := y
+endif
+ifeq ($(perfc_arrays),y)
+perfc := y
+endif
XEN_ROOT=$(BASEDIR)/..
include $(XEN_ROOT)/Config.mk
@@ -32,36 +41,29 @@
OBJS := $(patsubst %.S,%.o,$(S_SRCS))
OBJS += $(patsubst %.c,%.o,$(C_SRCS))
-# Note that link order matters!
-ALL_OBJS := $(BASEDIR)/common/common.o
-ALL_OBJS += $(BASEDIR)/drivers/char/driver.o
-ALL_OBJS += $(BASEDIR)/drivers/acpi/driver.o
-ifeq ($(ACM_SECURITY),y)
-ALL_OBJS += $(BASEDIR)/acm/acm.o
-CFLAGS += -DACM_SECURITY
-endif
-ALL_OBJS += $(BASEDIR)/arch/$(TARGET_ARCH)/arch.o
+ALL_OBJS-y :=
+CFLAGS-y :=
+subdirs-y :=
+subdirs-n :=
include $(BASEDIR)/arch/$(TARGET_ARCH)/Rules.mk
-CFLAGS += -g -D__XEN__
+# Note that link order matters!
+ALL_OBJS-y += $(BASEDIR)/common/common.o
+ALL_OBJS-y += $(BASEDIR)/drivers/char/driver.o
+ALL_OBJS-$(HAS_ACPI) += $(BASEDIR)/drivers/acpi/driver.o
+ALL_OBJS-$(ACM_SECURITY) += $(BASEDIR)/acm/acm.o
+ALL_OBJS-y += $(BASEDIR)/arch/$(TARGET_ARCH)/arch.o
-ifneq ($(debug)$(verbose),nn)
-CFLAGS += -DVERBOSE
-endif
+CFLAGS-y += -g -D__XEN__
+CFLAGS-$(ACM_SECURITY) += -DACM_SECURITY
+CFLAGS-$(verbose) += -DVERBOSE
+CFLAGS-$(crash_debug) += -DCRASH_DEBUG
+CFLAGS-$(perfc) += -DPERF_COUNTERS
+CFLAGS-$(perfc_arrays) += -DPERF_ARRAYS
-ifeq ($(crash_debug),y)
-CFLAGS += -DCRASH_DEBUG
-endif
-
-ifeq ($(perfc),y)
-CFLAGS += -DPERF_COUNTERS
-ifeq ($(perfc_arrays),y)
-CFLAGS += -DPERF_ARRAYS
-endif
-endif
-
-CFLAGS := $(strip $(CFLAGS))
+ALL_OBJS := $(ALL_OBJS-y)
+CFLAGS := $(strip $(CFLAGS) $(CFLAGS-y))
%.o: %.c $(HDRS) Makefile
$(CC) $(CFLAGS) -c $< -o $@
diff -r 5b56d1e1ac8b -r f513384a18ee xen/arch/ia64/Rules.mk
--- a/xen/arch/ia64/Rules.mk Sun Mar 19 11:48:51 2006
+++ b/xen/arch/ia64/Rules.mk Sun Mar 19 12:13:35 2006
@@ -1,6 +1,7 @@
########################################
# ia64-specific definitions
+HAS_ACPI := y
VALIDATE_VT ?= n
ifneq ($(COMPILE_ARCH),$(TARGET_ARCH))
CROSS_COMPILE ?= /usr/local/sp_env/v2.2.5/i686/bin/ia64-unknown-linux-
diff -r 5b56d1e1ac8b -r f513384a18ee xen/arch/x86/Rules.mk
--- a/xen/arch/x86/Rules.mk Sun Mar 19 11:48:51 2006
+++ b/xen/arch/x86/Rules.mk Sun Mar 19 12:13:35 2006
@@ -1,5 +1,7 @@
########################################
# x86-specific definitions
+
+HAS_ACPI := y
#
# If you change any of these configuration options then you must
diff -r 5b56d1e1ac8b -r f513384a18ee xen/drivers/Makefile
--- a/xen/drivers/Makefile Sun Mar 19 11:48:51 2006
+++ b/xen/drivers/Makefile Sun Mar 19 12:13:35 2006
@@ -1,8 +1,6 @@
+include $(BASEDIR)/Rules.mk
-default:
- $(MAKE) -C char
- $(MAKE) -C acpi
+subdirs-y := char/
+subdirs-$(HAS_ACPI) += acpi/
-clean:
- $(MAKE) -C char clean
- $(MAKE) -C acpi clean
+include $(BASEDIR)/Post.mk
diff -r 5b56d1e1ac8b -r f513384a18ee xen/Post.mk
--- /dev/null Sun Mar 19 11:48:51 2006
+++ b/xen/Post.mk Sun Mar 19 12:13:35 2006
@@ -0,0 +1,15 @@
+
+subdirs-all := $(subdirs-y) $(subdirs-n)
+
+default: $(subdirs-y)
+
+.PHONY: FORCE
+FORCE:
+
+%/: FORCE
+ $(MAKE) -C $*
+
+clean: $(addprefix _clean_, $(subdirs-all))
+_clean_%/: FORCE
+ $(MAKE) -C $* clean
+
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