It's better to have a explicit error than a build failure returned by gcc. Signed-off-by: Wei Liu <wei.l...@citrix.com> --- Cc: Jan Beulich <jbeul...@suse.com> --- tools/libacpi/Makefile | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile index 24eb0c2..c1f0af8 100644 --- a/tools/libacpi/Makefile +++ b/tools/libacpi/Makefile @@ -15,6 +15,10 @@ XEN_ROOT = $(CURDIR)/../.. include $(XEN_ROOT)/tools/Rules.mk +ifeq ($(ACPI_BUILD_DIR),) +$(error ACPI_BUILD_DIR not set) +endif + MK_DSDT = $(ACPI_BUILD_DIR)/mk_dsdt C_SRC-$(GPL) = dsdt_anycpu.c dsdt_15cpu.c dsdt_anycpu_qemu_xen.c -- 2.1.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
