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-rw-r--r--Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index dee3a858..83cf374a 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy
ARCH = $(shell $(CC) -dumpmachine | cut -f1 -d- | sed s,i[3456789]86,ia32,)
+OBJCOPY_GTE224 = $(shell expr `$(OBJCOPY) --version |grep ^"GNU objcopy" | sed 's/^.* //g' | cut -f1-2 -d.` \>= 2.24)
SUBDIRS = Cryptlib lib
@@ -127,6 +128,9 @@ endif
FORMAT ?= --target efi-app-$(ARCH)
%.efi: %.so
+ifneq ($(OBJCOPY_GTE224),1)
+ $(error objcopy >= 2.24 is required)
+endif
$(OBJCOPY) -j .text -j .sdata -j .data \
-j .dynamic -j .dynsym -j .rel* \
-j .rela* -j .reloc -j .eh_frame \