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From 2b694dd2932be78431b14257f23b738f2fc8f6a1 Mon Sep 17 00:00:00 2001
From: Jan Beulich <jbeulich@suse.com>
Date: Tue, 11 Oct 2022 15:00:33 +0200
Subject: [PATCH 22/87] Config.mk: correct PIE-related option(s) in
EMBEDDED_EXTRA_CFLAGS
I haven't been able to find evidence of "-nopie" ever having been a
supported compiler option. The correct spelling is "-no-pie".
Furthermore like "-pie" this is an option which is solely passed to the
linker. The compiler only recognizes "-fpie" / "-fPIE" / "-fno-pie", and
it doesn't infer these options from "-pie" / "-no-pie".
Add the compiler recognized form, but for the possible case of the
variable also being used somewhere for linking keep the linker option as
well (with corrected spelling).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Julien Grall <jgrall@amazon.com>
Build: Drop -no-pie from EMBEDDED_EXTRA_CFLAGS
This breaks all Clang builds, as demostrated by Gitlab CI.
Contrary to the description in ecd6b9759919, -no-pie is not even an option
passed to the linker. GCC's actual behaviour is to inhibit the passing of
-pie to the linker, as well as selecting different cr0 artefacts to be linked.
EMBEDDED_EXTRA_CFLAGS is not used for $(CC)-doing-linking, and not liable to
gain such a usecase.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Tested-by: Stefano Stabellini <sstabellini@kernel.org>
Fixes: ecd6b9759919 ("Config.mk: correct PIE-related option(s) in EMBEDDED_EXTRA_CFLAGS")
master commit: ecd6b9759919fa6335b0be1b5fc5cce29a30c4f1
master date: 2022-09-08 09:25:26 +0200
master commit: 13a7c0074ac8fb31f6c0485429b7a20a1946cb22
master date: 2022-09-27 15:40:42 -0700
---
Config.mk | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Config.mk b/Config.mk
index 46de3cd1e0e1..6f95067b8de6 100644
--- a/Config.mk
+++ b/Config.mk
@@ -197,7 +197,7 @@ endif
APPEND_LDFLAGS += $(foreach i, $(APPEND_LIB), -L$(i))
APPEND_CFLAGS += $(foreach i, $(APPEND_INCLUDES), -I$(i))
-EMBEDDED_EXTRA_CFLAGS := -nopie -fno-stack-protector -fno-stack-protector-all
+EMBEDDED_EXTRA_CFLAGS := -fno-pie -fno-stack-protector -fno-stack-protector-all
EMBEDDED_EXTRA_CFLAGS += -fno-exceptions -fno-asynchronous-unwind-tables
XEN_EXTFILES_URL ?= http://xenbits.xen.org/xen-extfiles
--
2.37.4
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