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grub: force -m32 so we build grub 32 bits on 64 bits architecture

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As reported by Matthew Weber, Grub doesn't build on 64 bits build
machines, because the host compiler produces 64 bits binaries by
default, while Grub should be built 32 bits. Therefore, this commit
passes -m32 to the Grub CFLAGS, so that 32 bits binaries are always
produced.

Reported-by: Matthew Weber <mlweber1@rockwellcollins.com>
Cc: Matthew Weber <mlweber1@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by:  Matthew Weber <mlweber1@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2013-12-04 20:33:50 +01:00 committed by Peter Korsgaard
parent 48c167fa03
commit 8c66baa06c
1 changed files with 1 additions and 1 deletions
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boot/grub/grub.mk
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@ -70,7 +70,7 @@ GRUB_POST_PATCH_HOOKS += GRUB_DEBIAN_PATCHES
GRUB_CONF_ENV = \
$(HOST_CONFIGURE_OPTS) \
CFLAGS="$(HOST_CFLAGS) $(GRUB_CFLAGS)"
CFLAGS="$(HOST_CFLAGS) $(GRUB_CFLAGS) -m32"
GRUB_CONF_OPT = \
--disable-auto-linux-mem-opt \