GNU bug report logs - #27509
PGI compiler detection in libtool.m4

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From: "Dong, Min" <mdong <at> odu.edu>
To: 27509 <at> debbugs.gnu.org
Cc: hpc <hpc <at> odu.edu>
Subject: bug#27509: PGI compiler detection in libtool.m4
Date: Tue, 27 Jun 2017 17:44:53 +0000

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Hi,

PGI compiler since 2017 has changed their default version output.

Before 2017:
$ pgcc -V

pgcc 16.9-0 64-bit target on x86-64 Linux -tp sandybridge
The Portland Group - PGI Compilers and Tools
Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.

After 2017:
$ pgcc -V

pgcc 17.5-0 64-bit target on x86-64 Linux -tp sandybridge
PGI Compilers and Tools
Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.

This caused configure script unable to detect compiler correctly, when it is in a wrapper such as mpicc.

Patch:

--- m4/libtool.m4.orig  2017-06-27 13:40:45.538501739 -0400
+++ m4/libtool.m4       2017-06-27 13:41:03.109205222 -0400
@@ -4759,7 +4759,7 @@
          _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
          _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
          ;;
-       *Portland\ Group*)
+       *Portland\ Group* | *PGI\ Compilers*)
          _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
          _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
          _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'

Best,
Min Dong

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