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<== Date ==> <== Thread ==>

Subject: Re: Cross compiling for arm
From: Lucas Magalhães via Tech-talk <tech-talk at aps.anl.gov>
To: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date: Tue, 24 Mar 2026 08:59:56 +0000
Hi David,

For the cross compilation to ppc64 we do at ESS we setup CONFIG_SITE.Common.linux-ppc64 and define the "GNU_" macros so EPICS build system figures out how to find them. Here is an example https://urldefense.us/v3/__https://gitlab.esss.lu.se/e3/wrappers/e3-base/-/blob/master/configure/os/CONFIG_SITE.Common.linux-ppc64e6500?ref_type=heads*L50-58__;Iw!!G_uCfscf7eWS!c255j21zl5ZoG_0PhAFc7MBrUfaTIb0ZhRMPoJWc4o9O4kIrQTfwbkX5PpPacev3tO_0wMX1Dgvv88FYnKIkLKX13JDuU3M$ 

Cheers,
Lucas A. M. Magalhaes.


________________________________________
From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Dudley, David via Tech-talk <tech-talk at aps.anl.gov>
Sent: Friday, March 20, 2026 20:20
To: tech-talk at aps.anl.gov
Subject: Cross compiling for arm

Working on cross compiling EPICS for arm (and aarch64…)  I’ve got CONFIG_SITE.linux-x86.linux-arm set for where the compiler is located, but how do I tell the build system where the include files and libraries are located?

Later-

Later-

David


References:
Cross compiling for arm Dudley, David via Tech-talk

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