libxl: remove explicit rule for libxl_arm_acpi.o

After 9c635883 ("ARM64: fix libxl build, do not include
../../xen/include") there is nothing special needed to build
libxl_arm_acpi.o. Remove the explicit rule, use predefined one.

Build tested on ARM64.

Suggested-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

diff --git a/tools/libxl/Makefile b/tools/libxl/Makefile
index dac19ac09bced3dc75cdcd61b880e40b96f64166..79e40199ace2de01f50e214485b6fd6dbb3921aa 100644 (file)
--- a/tools/libxl/Makefile
+++ b/tools/libxl/Makefile
@@ -94,9 +94,6 @@ ifeq ($(CONFIG_ARM_64),y)
 LIBXL_OBJS-y += libxl_arm_acpi.o dsdt_anycpu_arm.o
 dsdt_anycpu_arm.c:
        $(MAKE) -C $(ACPI_PATH) ACPI_BUILD_DIR=$(CURDIR)
-
-libxl_arm_acpi.o: libxl_arm_acpi.c
-       $(CC) -c $(CFLAGS) -o $@ libxl_arm_acpi.c
 else
 LIBXL_OBJS-$(CONFIG_ARM) += libxl_arm_no_acpi.o
 endif