<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Thanks Dave.<br><br>R<br><br><br><br>--- On <b>Mon, 8/30/10, Dave Goodell <i><goodell@mcs.anl.gov></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Dave Goodell <goodell@mcs.anl.gov><br>Subject: Re: [mpich-discuss] Upgrading GCC Compilers<br>To: mpich-discuss@mcs.anl.gov<br>Date: Monday, August 30, 2010, 11:47 AM<br><br><div class="plainMail">If the only thing you are upgrading is the compiler, you probably don't need to rebuild MPICH2, particularly since it would be a 4.x-->4.x change. However, depending on how/where you install the new compiler, the mpicc/mpif77/etc compiler wrapper scripts may still point to the old compiler.<br><br>You can see the compile/link line that will be used by mpicc by running "mpicc -show".<br><br>-Dave<br><br>On Aug 30, 2010, at 5:27
AM CDT, saar raas wrote:<br><br>> Hello,<br>> <br>> I have installed mpich2 on centos 5.4 x64 and everything seems to be working fine. My current GCC compilers are 4.1.2 and I would like to upgrade to 4.4 or 4.5. I would like to know whether I will need to recompile/reinstall mpich2 after upgrading the GCC compilers.<br>> <br>> Thanks,<br>> <br>> Raasik<br>> <br>> <br>> _______________________________________________<br>> mpich-discuss mailing list<br>> <a ymailto="mailto:mpich-discuss@mcs.anl.gov" href="/mc/compose?to=mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br>> <a href="https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss" target="_blank">https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss</a><br><br>_______________________________________________<br>mpich-discuss mailing list<br><a ymailto="mailto:mpich-discuss@mcs.anl.gov"
href="/mc/compose?to=mpich-discuss@mcs.anl.gov">mpich-discuss@mcs.anl.gov</a><br><a href="https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss" target="_blank">https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss</a><br></div></blockquote></td></tr></table><br>