payloads/external/Makefile.inc: Fix empty comparison
Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: I5174e0457489c29be6a2b2b882de2db4255bbca0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77145
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
diff --git a/payloads/external/Makefile.inc b/payloads/external/Makefile.inc
index 4d3799d..ec02957 100644
--- a/payloads/external/Makefile.inc
+++ b/payloads/external/Makefile.inc
@@ -373,7 +373,7 @@
LINUXBOOT_CROSS_COMPILE_ARCH-$(CONFIG_LINUXBOOT_ARM64) = arm64
LINUXBOOT_CROSS_COMPILE_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV32) = riscv
LINUXBOOT_CROSS_COMPILE_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV64) = riscv
-ifeq ($(CONFIG_LINUXBOOT_CROSS_COMPILE),)
+ifeq ($(CONFIG_LINUXBOOT_CROSS_COMPILE),"")
CONFIG_LINUXBOOT_CROSS_COMPILE=$(CROSS_COMPILE_$(LINUXBOOT_CROSS_COMPILE_ARCH-y))
endif
.PHONY: linuxboot