Date: Mon, 04 Jun 2018 16:49:48 -0700 From: "Chris H" <bsd-lists@BSDforge.com> To: "Don Lewis" <truckman@FreeBSD.org> Cc: <freebsd-hackers@FreeBSD.org> Subject: Re: defining CPUTYPE when building a custom release Message-ID: <8c9b9690f1080c72ac644bbfbb6c61de@udns.ultimatedns.net> In-Reply-To: <tkrat.90d54f15491c4f37@FreeBSD.org>
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On Mon, 4 Jun 2018 15:36:02 -0700 (PDT) "Don Lewis" <truckman@FreeBSD.org> said > I'm trying to build a custom 11-STABLE release for a machine that is too > wimpy to self-host using the /usr/src/release/release.sh script. The > build host is an amd64 machine and the target machine is is in the i386 > family. I've set: > TARGET=i386 > TARGET_ARCH=i386 > in the release.conf file. > > If I don't try to specify a CPUTYPE, I have no problems. But if I add > CPUTYPE?=pentium3 > to the make.conf file, the release build fails like this: > > -------------------------------------------------------------- > >>> stage 4.2: building libraries > -------------------------------------------------------------- > ===> gnu/lib/libssp/libssp_nonshared (obj,all,install) > ===> lib/libcompiler_rt (obj,all,install) > ===> gnu/lib/libgcc (obj,all,install) > error: unknown target CPU 'pentium3' > --- ssp-local.o --- > *** [ssp-local.o] Error code 1 > > > This is the same message that I get if I try to compile something on > amd64 if I specify -march: > %cc -c blah.c -march=pentium3 > error: unknown target CPU 'pentium3' > but I don't see this when I do the same on an actual i386 machine. I'm > assuming it is because pentium3 is not valid amd64 family member. It > seems like I should be able to avoid this by telling clang that I want > to cross-compile, but clang doesn't seem to like the -arch > command line flag: > > %cc -c blah.c -arch x86 -march=pentium3 > cc: warning: argument unused during compilation: '-arch x86' > [-Wunused-command-line-argument] > error: unknown target CPU 'pentium3' > %cc -c blah.c -arch i386 -march=pentium3 > cc: warning: argument unused during compilation: '-arch i386' > [-Wunused-command-line-argument] > error: unknown target CPU 'pentium3' Apologies in advance for even *suggesting*; But the KERNCONF you're working with, originates from, and is within i386/ , not amd64/ . Right? --Chris >
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