From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabrice Fontaine Date: Tue, 29 Oct 2019 10:57:36 +0100 Subject: [Buildroot] [PATCH 1/1] Config.in: -fstack-protector-all needs PIE Message-ID: <20191029095736.16586-1-fontaine.fabrice@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net jpeg-turbo fails to build with BR2_SSP_ALL on: /data/buildroot/buildroot-test/instance-0/output/host/opt/ext-toolchain/bin/../lib/gcc/aarch64_be-linux-gnu/7.3.1/../../../../aarch64_be-linux-gnu/bin/ld: ../CMakeFiles/simd.dir/jsimd_none.c.o: relocation R_AARCH64_ADR_PREL_PG_HI21 against external symbol `__stack_chk_guard@@GLIBC_2.17' can not be used when making a shared object; recompile with -fPIC Fix this issue by selecting BR2_PIC_PIE (if possible) with BR2_SSP_ALL Fixes: - http://autobuild.buildroot.net/results/51459f3f26aa2e2a038ee717548266aaec05bafc Signed-off-by: Fabrice Fontaine --- Config.in | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Config.in b/Config.in index 010b0774e3..3efa171405 100644 --- a/Config.in +++ b/Config.in @@ -751,11 +751,18 @@ config BR2_SSP_STRONG config BR2_SSP_ALL bool "-fstack-protector-all" + depends on BR2_SHARED_LIBS + depends on BR2_TOOLCHAIN_SUPPORTS_PIE + select BR2_PIC_PIE help Like -fstack-protector except that all functions are protected. This option might have a significant performance impact on the compiled binaries. +comment "-fstack-protector-all needs a toolchain w/ PIE" + depends on BR2_SHARED_LIBS + depends on !BR2_TOOLCHAIN_SUPPORTS_PIE + endchoice config BR2_SSP_OPTION -- 2.23.0