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[PATCH] Fix libgfortran build on hppa64-hp-hpux11.11

From: John David Anglin <dave dot anglin at bell dot net>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Cc: Ian Lance Taylor <ian at airs dot com>
Date: Sat, 5 Dec 2015 13:01:24 -0500
Subject: [PATCH] Fix libgfortran build on hppa64-hp-hpux11.11
Authentication-results: sourceware.org; auth=none

The use of libbacktrace in libgfortran exposed a libgfortran build issue on hppa64-hp-hpux11.11.
This target doesn't have any __sync builtins, so we need to set libbacktrace_cv_sys_sync to no
when with_target_subdir is set and configure tests are not done.

This exposed a compilation issue in elf.c which  is fixed by a void cast.

Tested on hppa2.0w-hp-hpux11.11 and hppa64-hp-hpux11.11 with no observed regressions.
Okay for trunk?

Regards,
Dave
--
John David Anglin	dave.anglin@bell.net

Attachment: configure.ac-lbt.d.1.txt
Description: Text document

Follow-Ups:
- Re: [PATCH] Fix libgfortran build on hppa64-hp-hpux11.11
  - From: Ian Lance Taylor

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