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-rw-r--r--src/arch/arm64/Makefile.inc8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/arch/arm64/Makefile.inc b/src/arch/arm64/Makefile.inc
index 33755d3035..ec559fa42d 100644
--- a/src/arch/arm64/Makefile.inc
+++ b/src/arch/arm64/Makefile.inc
@@ -155,12 +155,18 @@ endif # CONFIG_CONSOLE_SERIAL
# Avoid build/release|build/debug distinction by overriding BUILD_PLAT directly
BL31_MAKEARGS += BUILD_PLAT="$(abspath $(obj)/3rdparty/arm-trusted-firmware)"
+# Set a consistent build timestamp: the same coreboot has
+# The \# \" complications exist to satisfy both gnu make's parser and editors
+# with non-semantic quote-handling (that would assume that this line starts a
+# multi line string.
+BL31_MAKEARGS += BUILD_MESSAGE_TIMESTAMP="$(shell grep "\#define COREBOOT_BUILD\>" $(obj)/build.h |cut -d\" -f2 \# \")"
+
BL31_CFLAGS := -fno-pic -fno-stack-protector
BL31_LDFLAGS := --emit-relocs
BL31 := $(obj)/bl31.elf
-$(BL31):
+$(BL31): $(obj)/build.h
@printf " MAKE $(subst $(obj)/,,$(@))\n"
CROSS_COMPILE="$(CROSS_COMPILE_arm64)" \
CFLAGS="$(BL31_CFLAGS)" \