linux-kernel - [PATCH] Make x86 use $TARGET-readelf like all the other arches.

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Message-ID: <ced18878-693a-9576-a024-113ef39a22c0@landley.net>
Date:   Sat, 20 May 2017 15:03:29 -0500
From:   Rob Landley <rob@...dley.net>
To:     "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        Jiri Kosina <jkosina@...e.cz>, Paul Bolle <pebolle@...cali.nl>,
        Kees Cook <keescook@...omium.org>,
        "H.J. Lu" <hjl.tools@...il.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] Make x86 use $TARGET-readelf like all the other arches.

From: Rob Landley <rob@...dley.net>

My cross-compile environment doesn't provide an unprefixed
readelf in the $PATH, which works fine on every target but x86,
where you get a bunch of "/bin/sh: 1: readelf: not found"
messages (but the result still works anyway).

Signed-off-by: Rob Landley <rob@...dley.net>
---

 arch/x86/boot/compressed/Makefile |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 44163e8..2c860ad 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -94,7 +94,7 @@ vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_thunk_$(BITS).o
 quiet_cmd_check_data_rel = DATAREL $@
 define cmd_check_data_rel
 	for obj in $(filter %.o,$^); do \
-		readelf -S $$obj | grep -qF .rel.local && { \
+		${CROSS_COMPILE}readelf -S $$obj | grep -qF .rel.local && { \
 			echo "error: $$obj has data relocations!" >&2; \
 			exit 1; \
 		} || true; \