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Re: Libtool strips out -tp=k8-32 PGI compiler flag in link mode

From: Ralf Wildenhues
Subject: Re: Libtool strips out -tp=k8-32 PGI compiler flag in link mode
Date: Sat, 21 Mar 2009 11:47:42 +0100
User-agent: Mutt/1.5.18 (2008-05-17)

* Ralf Wildenhues wrote on Sat, Mar 21, 2009 at 11:41:20AM CET:
> Thanks for the bug report.  A workaround should be to
>   ./configure CC="pgcc -tp=k8-32"
> and the following patch should fix the issue.  Can you try both?

Never mind; the `-tp PROCESSOR' gets reordered badly by libtool anyway,
so only `-tp=PROCESSOR' is feasible.  Updated patch below.  OTOH,
another workaround should be to pass -Wc,-tp=k8-32 to `libtool


    Allow through -tp=* at link time, for pgcc.
    * libltdl/config/ltmain.m4sh (func_mode_link): Portlant Group
    pgcc uses `-tp=PROCESSOR' for target processor selection; allow
    the flag through at link time.
    * THANKS: Update.
    Report by Ethan Mallove.

diff --git a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh
index f17ad72..c122458 100644
--- a/libltdl/config/ltmain.m4sh
+++ b/libltdl/config/ltmain.m4sh
@@ -4497,8 +4497,9 @@ func_mode_link ()
       # -F/path gives path to uninstalled frameworks, gcc on darwin
       # -p, -pg, --coverage, -fprofile-* pass through profiling flag for GCC
       # @file GCC response files
+      # -tp=* Portland pgcc target processor selection
       -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
-      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*)
+      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*)
         func_quote_for_eval "$arg"
         func_append compile_command " $arg"

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