| Summary: | -fstack-protector-strong: undefined reference to `.LCTOC0' | ||
|---|---|---|---|
| Product: | Red Hat Developer Toolset | Reporter: | Jan Kratochvil <jan.kratochvil> |
| Component: | gcc | Assignee: | Jakub Jelinek <jakub> |
| Status: | CLOSED ERRATA | QA Contact: | Michael Petlan <mpetlan> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | DTS 7.0 RHEL 7 | CC: | jan.kratochvil, kanderso, law, mcermak, mnewsome, mpetlan, mpolacek, ohudlick |
| Target Milestone: | alpha | ||
| Target Release: | 6.0 | ||
| Hardware: | ppc64le | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | devtoolset-6-gcc-6.3.1-2.2.el7 | Doc Type: | Bug Fix |
| Doc Text: |
Due to a bug in the rs6000 backend, where a TOC ("Table of Contents") was not correctly initialized, a valid program might have failed to link if the -fstack-protector-strong and -mminimal-toc command-line options were used. The bug has been fixed and the program now links.
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2017-04-26 09:32:56 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
Reproduced with devtoolset-6-gcc-6.2.1-3.1.el7 Verified with devtoolset-6-gcc-6.3.1-2.2.el7 VERIFIED Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2017:1143 |
Description of problem: Building GDB with custom flags fails with $subj error message. Version-Release number of selected component (if applicable): FAIL: devtoolset-6-gcc-6.2.1-2.el7.ppc64le PASS: gcc-4.8.5-11.el7.ppc64le 43b831cb453921462b3a296e9796837cd71c1cde binutils-gdb.git How reproducible: Always. Steps to Reproduce: git clone git://sourceware.org/git/binutils-gdb.git;cd binutils-gdb;git checkout 43b831cb453921462b3a296e9796837cd71c1cde CXXFLAGS=-fstack-protector-strong ./configure;make or CFLAGS=-fstack-protector-strong CXXFLAGS=-fstack-protector-strong LDFLAGS=-fstack-protector-strong ./configure;make Actual results: ... g++ -fstack-protector-strong -mminimal-toc -static-libstdc++ -static-libgcc -fstack-protector-strong \ -o gdb gdb.o [...] ppc-linux.o: In function `ppc64_64bit_inferior_p(long)': ppc-linux.c:(.text+0x7c): undefined reference to `.LCTOC0' continuations.o: In function `do_my_continuations(continuation**, int)': continuations.c:(.text+0x1bc): undefined reference to `.LCTOC0' namespace.o: In function `add_using_directive(using_direct**, char const*, char const*, char const*, char const*, VEC_const_char_ptr*, int, obstack*)': namespace.c:(.text+0x148): undefined reference to `.LCTOC0' gdb_obstack.o: In function `obconcat(obstack*, ...)': gdb_obstack.c:(.text+0x20): undefined reference to `.LCTOC0' gdb_obstack.o: In function `obstack_strdup(obstack*, char const*)': gdb_obstack.c:(.text+0x2c0): undefined reference to `.LCTOC0' trad-frame.o:trad-frame.c:(.text+0xa0): more undefined references to `.LCTOC0' follow collect2: error: ld returned 1 exit status Makefile:1421: recipe for target 'gdb' failed Expected results: Built GDB. Additional info: 43b831cb453921462b3a296e9796837cd71c1cde is just current binutils-gdb.git trunk hash. https://beaker.engineering.redhat.com/recipes/3150927 = RHEL-7.3-20161007.n.0 Server ppc64le Sure it is not a blocker for me, it just failed to build for me with my normal custom flags.