[Buildroot] [PATCH] cifs-utils: unconditionally disable PIE

Thomas Petazzoni thomas.petazzoni at bootlin.com
Sun May 13 20:28:35 UTC 2018


On Mon,  7 May 2018 22:20:34 +0200, Thomas Petazzoni wrote:
> PIE support in Buildroot should be enabled via the global option
> BR2_RELRO_FULL option, and not done on a per-package basis, therefore
> PIE should unconditionally be disabled in the cifs-utils package.
> This has the added side-effect that it works around a binutils bug on
> SPARC causing the linker to segfault when PIE is enabled:
> sparc-linux-gcc -Wall -Wextra -D_FORTIFY_SOURCE=2 -fpie -pie -Wl,-z,relro,-z,now -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os    -o mount.cifs mount.cifs.o mtab.o resolve_host.o util.o  -lcap-ng
> collect2: fatal error: ld terminated with signal 6 [Aborted], core dumped
> This issue will reappear when we start testing BR2_RELRO_FULL in the
> autobuilders, but in the mean time it avoids the problem.
> Fixes:
>   http://autobuild.buildroot.net/results/a5342890f39bdccae1324e7d3dbe0eab1aad28e5/
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> ---
>  package/cifs-utils/cifs-utils.mk | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Applied to master, thanks.

Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering

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