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Always add -msoft-float to avoid compiler generating float arithmetics.

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Vladimir Serbinenko 2015-01-24 20:37:08 +01:00
parent b8f537199a
commit 3661261fe1
1 changed files with 6 additions and 0 deletions
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6
configure.ac
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@ -671,6 +671,12 @@ if ( test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64 ) && test "x$p
TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-3dnow" TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-3dnow"
fi fi
# GRUB doesn't use float or doubles at all. Yet some toolchains may decide
# that floats are a good fit to run instead of what's written in the code.
# Given that floating point unit is disabled (if present to begin with)
# when GRUB is running which may result in various hard crashes.
TARGET_CFLAGS="$TARGET_CFLAGS -msoft-float"
# By default, GCC 4.4 generates .eh_frame sections containing unwind # By default, GCC 4.4 generates .eh_frame sections containing unwind
# information in some cases where it previously did not. GRUB doesn't need # information in some cases where it previously did not. GRUB doesn't need
# these and they just use up vital space. Restore the old compiler # these and they just use up vital space. Restore the old compiler