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I dug a bit further and found the following file is specifically commented as nonportable: src/02_clib/align.c #include "abi_clib.h" /* Returns in algn the alignment of a pointer modulo nbytes NONPORTABLE */ void FC_FUNC_(clib_alignment_of,clib_ALIGNMENT_OF) (void *p, int *nbytes, int *alg...

After manually setting the build type and removing -march=native from the Makefiles, I am able to make some progress in the build. However, it chokes here next: [u0017592@sys-82824 abinit-8.0.8]$ make make all-recursive make[1]: Entering directory `/home/u0017592/projects/abinit-8.0.8' Making all in...

Working around the out-of-date config.guess with "./configure -build=powerpc64le-unknown-linux-gnu", I encounter the following error next: [u0017592@sys-82824 abinit-8.0.8]$ make make all-recursive make[1]: Entering directory `/home/u0017592/projects/abinit-8.0.8' Making all in fallbacks m...

I noticed config.guess is very out of date in several places in your codebase. This is an obstacle to compiling on POWER8 systems, forcing a manual override. If the config.guess is updated to the latest version in all locations, it will detect the correct architecture. All locations of config.guess:...