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qemu-patch-raspberry4
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Fix QEMU build on OpenBSD on x86 archs 

This resolves the build issue with building the ROMs on OpenBSD on x86 archs.
As of OpenBSD 5.3 the compiler builds PIE binaries by default and thus the
whole OS/packages and so forth. The ROMs need to have PIE disabled.
Check in configure whether the compiler supports the flags for disabling
PIE, and if it does then use them for building the ROMs. This fixes the
following buildbot failure:

>From the OpenBSD buildbots..
  Building optionrom/multiboot.img
ld: multiboot.o: relocation R_X86_64_16 can not be used when making a shared object; recompile with -fPIC

Signed-off by: Brad Smith <brad@comstyle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
stable-2.0
Brad 2013-12-10 19:49:08 -05:00 committed by Peter Maydell
parent 0dbcf95a1e
commit 46eef33b89
2 changed files with 9 additions and 1 deletions
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7
configure vendored
View File

@ -1392,6 +1392,11 @@ EOF
pie="no"
fi
fi
if compile_prog "-fno-pie" "-nopie"; then
CFLAGS_NOPIE="-fno-pie"
LDFLAGS_NOPIE="-nopie"
fi
fi
##########################################
@ -4378,6 +4383,7 @@ echo "LD=$ld" >> $config_host_mak
echo "WINDRES=$windres" >> $config_host_mak
echo "LIBTOOL=$libtool" >> $config_host_mak
echo "CFLAGS=$CFLAGS" >> $config_host_mak
echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
if test "$sparse" = "yes" ; then
@ -4391,6 +4397,7 @@ else
echo "AUTOCONF_HOST := " >> $config_host_mak
fi
echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
echo "LIBTOOLFLAGS=$LIBTOOLFLAGS" >> $config_host_mak
echo "LIBS+=$LIBS" >> $config_host_mak
echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak

3
pc-bios/optionrom/Makefile
View File

@ -12,6 +12,7 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/optionrom)
CFLAGS := -Wall -Wstrict-prototypes -Werror -fomit-frame-pointer -fno-builtin
CFLAGS += -I$(SRC_PATH)
CFLAGS += $(call cc-option, $(CFLAGS), -fno-stack-protector)
CFLAGS += $(CFLAGS_NOPIE)
QEMU_CFLAGS = $(CFLAGS)
build-all: multiboot.bin linuxboot.bin kvmvapic.bin
@ -20,7 +21,7 @@ build-all: multiboot.bin linuxboot.bin kvmvapic.bin
.SECONDARY:
%.img: %.o
$(call quiet-command,$(LD) -Ttext 0 -e _start -s -o $@ $<," Building $(TARGET_DIR)$@")
$(call quiet-command,$(LD) $(LDFLAGS_NOPIE) -Ttext 0 -e _start -s -o $@ $<," Building $(TARGET_DIR)$@")
%.raw: %.img
$(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@," Building $(TARGET_DIR)$@")