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https://github.com/xen-project/xen.git
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Anthony PERARD
40d96f0c7d
The previous changeset, e4f5949c44 ("tools: Add -Werror by default to all
tools/"), added "-Werror" to CFLAGS in tools/Rules.mk. Remove it from
everywhere else now it is duplicated.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Christian Lindig <christian.lindig@citrix.com>
Acked-by: Daniel P. Smith <dpsmith@apertussolutions.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Release-acked-by: Henry Wang <Henry.Wang@arm.com>
37 lines
1.4 KiB
Makefile
37 lines
1.4 KiB
Makefile
# Firmware is a 32-bit target
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override XEN_TARGET_ARCH = x86_32
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# User-supplied CFLAGS are not useful here.
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CFLAGS =
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EXTRA_CFLAGS_XEN_TOOLS =
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include $(XEN_ROOT)/tools/Rules.mk
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ifneq ($(debug),y)
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CFLAGS += -DNDEBUG
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endif
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$(call cc-options-add,CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))
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$(call cc-option-add,CFLAGS,CC,-fcf-protection=none)
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# Do not add the .note.gnu.property section to any of the firmware objects: it
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# breaks the rombios binary and is not useful for firmware anyway.
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$(call cc-option-add,CFLAGS,CC,-Wa$$(comma)-mx86-used-note=no)
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# Extra CFLAGS suitable for an embedded type of environment.
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CFLAGS += -ffreestanding -msoft-float
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# Use our own set of stand alone headers to build firmware.
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#
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# Ideally using -ffreestanding should be enough, but that relies on the
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# compiler having the right order for include paths (ie: compiler private
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# headers before system ones) or the libc headers having proper arch-agnostic
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# freestanding support. This is not the case in Alpine at least which searches
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# system headers before compiler ones and has arch-specific libc headers. This
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# has been reported upstream:
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# https://gitlab.alpinelinux.org/alpine/aports/-/issues/12477
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# In the meantime (and for resilience against broken systems) use our own set
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# of headers that provide what's needed for the firmware build.
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CFLAGS += -nostdinc -I$(XEN_ROOT)/tools/firmware/include
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