[syslinux] boot... round 2, -m64

Geert Stappers stappers at stappers.nl
Thu Jul 2 23:24:24 PDT 2015


On Fri, Jul 03, 2015 at 06:50:27AM +0200, poma via Syslinux wrote:
    <snip/> 
> $ rpm -qf /usr/lib/rpm/redhat/rpmrc
> redhat-rpm-config-33-2.fc23.noarch
> 
> $ grep optflags /usr/lib/rpm/redhat/rpmrc | grep 86
> optflags: i386 %{__global_cflags} -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables
> optflags: i486 %{__global_cflags} -m32 -march=i486 -fasynchronous-unwind-tables
> optflags: i586 %{__global_cflags} -m32 -march=i586 -mtune=generic -fasynchronous-unwind-tables
> optflags: i686 %{__global_cflags} -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables
> optflags: x86_64 %{__global_cflags} -m64 -mtune=generic
> 
> 
> $ grep '  RPM_OPT_FLAGS\|  RPM_PACKAGE_NAME' /var/tmp/rpm-tmp.XNVZuk
>   RPM_OPT_FLAGS="-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic"
>   RPM_PACKAGE_NAME="syslinux"


I, sysadmin, not a hardcore programmer, have a odd feeling with the -m64 flag.
For Syslinux, the bootloader, I do expect -m32. I know 16-bits, I80286, is over.

Thank you for reading my worries.


Groeten
Geert Stappers
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