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cifs-utils: unconditionally disable PIE

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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@bootlin.com>
(cherry picked from commit 85f9d08934)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2018-05-07 22:20:34 +02:00 committed by Peter Korsgaard
parent 9413d2ea2f
commit 474f86150f
1 changed files with 3 additions and 3 deletions
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6
package/cifs-utils/cifs-utils.mk
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@ -13,9 +13,9 @@ CIFS_UTILS_LICENSE_FILES = COPYING
CIFS_UTILS_AUTORECONF = YES CIFS_UTILS_AUTORECONF = YES
CIFS_UTILS_DEPENDENCIES = host-pkgconf CIFS_UTILS_DEPENDENCIES = host-pkgconf
ifeq ($(BR2_TOOLCHAIN_SUPPORTS_PIE),) # Let's disable PIE unconditionally. We want PIE to be enabled only by
CIFS_UTILS_CONF_OPTS += --disable-pie # the global BR2_RELRO_FULL option.
endif CIFS_UTILS_CONF_OPTS = --disable-pie
ifeq ($(BR2_PACKAGE_KEYUTILS),y) ifeq ($(BR2_PACKAGE_KEYUTILS),y)
CIFS_UTILS_DEPENDENCIES += keyutils CIFS_UTILS_DEPENDENCIES += keyutils