<div dir="ltr">I managed to get past this.  The system I'm using has m4 but not the other autotools, but if I use the system m4 and build libtool, autoconf and automake myself, I can autogen.sh and configure.<div><br></div><div>Sorry for the noise.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Sep 7, 2023 at 10:28 AM Jeff Hammond <<a href="mailto:jeff.science@gmail.com">jeff.science@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I am trying to port MPICH to CHERI (<a href="https://www.cl.cam.ac.uk/research/security/ctsrd/cheri/cheri-morello.html" target="_blank">https://www.cl.cam.ac.uk/research/security/ctsrd/cheri/cheri-morello.html</a>).<div><br></div><div>I have forgotten some of the tricks of porting to weird stuff that I used to know when I was working on Blue Gene.</div><div><br></div><div>Can someone help me figure out how to configure for an unknown tuple?  I am failing to find the answer myself.</div><div><br></div><div>Thanks,</div><div><br></div><div>Jeff</div><div><br></div><div>jhammond@cfarm240:~/mpich/build$ ../configure CC=clang --disable-fortran --disable-long-double --enable-g=all<br>Configuring MPICH version 4.2a1 with  'CC=clang' '--disable-fortran' '--disable-long-double' '--enable-g=all'<br>Running on system: FreeBSD <a href="http://cfarm240.cfarm.net" target="_blank">cfarm240.cfarm.net</a> 14.0-CURRENT FreeBSD 14.0-CURRENT #0 772f8fd8123: Mon Aug  7 19:39:52 UTC 2023     jenkins@ctsrd-build-linux-j1:/local/scratch/jenkins/workspace/CheriBSD-pipeline_releng_22.12@2/cheribsd-morello-purecap-build/local/scratch/jenkins/workspace/CheriBSD-pipeline_releng_22.12@2/cheribsd/arm64.aarch64c/sys/GENERIC-MORELLO arm64<br>checking build system type... Invalid configuration `aarch64c-unknown-freebsd14.0': machine `aarch64c-unknown' not recognized<br>configure: error: /bin/sh ../confdb/config.sub aarch64c-unknown-freebsd14.0 failed<br><br></div><div>jhammond@cfarm240:~/mpich/build$ clang --version<br>clang version 13.0.0<br>Target: aarch64-unknown-freebsd14.0<br>Thread model: posix<br>InstalledDir: /usr/local64/llvm-morello/bin<br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature">Jeff Hammond<br><a href="mailto:jeff.science@gmail.com" target="_blank">jeff.science@gmail.com</a><br><a href="http://jeffhammond.github.io/" target="_blank">http://jeffhammond.github.io/</a></div></div></div>
</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature">Jeff Hammond<br><a href="mailto:jeff.science@gmail.com" target="_blank">jeff.science@gmail.com</a><br><a href="http://jeffhammond.github.io/" target="_blank">http://jeffhammond.github.io/</a></div>