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From 4baa930ea79314e778a5ca84e3f85e94b2f9968f Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <>
Date: Tue, 6 Aug 2019 09:22:25 -0700
Subject: [PATCH 40/63] Make sure makeguids helper is compiled for the host's

Currently makeguids is compiled with the same flags/settings as the rest
of the package, which does not work in case of cross-compiles when arch
of the build host and the target host are different. Let's force
compiling for the native host arch to avoid this issue.

Note that this is not a full cross-compile solution as this does not
account for potential differences in host/target compilers (versions,
clang vs gcc, etc), but it removes one of the issue with package build
aborting due to invalid instruction on the host.

Signed-off-by: Dmitry Torokhov <>
 src/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index addfaa03c85..3729d2b8f35 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -52,7 +52,7 @@ include/efivar/efivar-guids.h : makeguids guids.txt
 	./makeguids guids.txt guids.bin names.bin \
 		guid-symbols.c include/efivar/efivar-guids.h
+makeguids : CPPFLAGS+=-DEFIVAR_BUILD_ENVIRONMENT -march=native
 makeguids : LIBS=dl
 makeguids : $(MAKEGUIDS_SOURCES)
 makeguids : CCLD=$(CCLD_FOR_BUILD)