https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71767
John David Anglin <danglin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |danglin at gcc dot gnu.org --- Comment #49 from John David Anglin <danglin at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #46) > Author: iains > Date: Sun Nov 27 14:29:36 2016 > New Revision: 242894 > > URL: https://gcc.gnu.org/viewcvs?rev=242894&root=gcc&view=rev > Log: > [Darwin, config] Arrange for ld64 to be detected as Darwin's linker. > > This is an initial patch in a series that converts Darwin's configury > to detect ld64 features, rather than the current process of hard-coding > them on target system version. > > A ld64-compatible linker is currently required and assumed by Darwin. > If a DEFAULT_LINKER is set via --with-ld= then this will be tested to > see if it is ld64. > > The ld64 version is determined for the chosen ld and this is exported for > use in setting a default value for -mtarget-linker (needed for run-time > code-gen changes to section choices). > The support for -rdynamic is converted to be detected at config time, or > by the ld64 version if that is found. > > gcc/ > > 2016-11-27 Iain Sandoe <i...@codesourcery.com> > > PR target/71767 > * configure.ac (with-ld64): New var, set for Darwin, set on > detection of ld64, gcc_cv_ld64_export_dynamic: New, New test. > * config/darwin.h: Use LD64_HAS_DYNAMIC export. DEF_LD64: New, > define. > * config/darwin10.h(DEF_LD64): Update for this target version. > * config/darwin12.h(LINK_GCC_C_SEQUENCE_SPEC): Remove rdynamic > test. (DEF_LD64): Update for this target version. > * configure: Regenerated. > * config.in: Regenerated. > > > Modified: > trunk/gcc/ChangeLog > trunk/gcc/config.in > trunk/gcc/config/darwin.h > trunk/gcc/config/darwin10.h > trunk/gcc/config/darwin12.h > trunk/gcc/configure > trunk/gcc/configure.ac The change breaks bootstrap on hppa64-*-*. checking linker for compressed debug sections... 0 /xxx/gnu/gcc/gcc/gcc/configure[28336]: Syntax error at line 28360 : `<' is not e xpected.