Date: Wed, 28 Apr 2021 02:39:43 +0000 From: "Thomas Mueller" <mueller6722@twc.com> To: freebsd-questions@freebsd.org Subject: Re: compile freebsd on ubuntu References: <1619501943250.72149@ios.ac.cn>
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from <wangwei19@ios.ac.cn>:
> Dear friend:
> I am compiling the freebsd kernal on ubuntu with this command :
> sudo bmake -j1 buildworld KERNCONF=MODEDKERNEL COMPILER_TYPE=gcc TARGET=amd64 TARGET_ARCH=amd64
> beacuse make cannot work so i use the bmake but it take the error that:
> rpcgen: execvp cpp: No such file or directory *** [key_prot.h] Error code 1
> how can i fix this error
> i download the system code from the github, and compile it on the workpalce.
> the full log is that:
If you download the src tree, or src and xsrc trees, for NetBSD, there are directions of how to cross-compile NetBSD from other (quasi-)Unixes.
NetBSD now uses cvs but has been moving slowly to switch to mercurial (hg) for downloading src, xsrc and pkgsrc trees.
NetBSD has tools and documentation on how to cross-compile NetBSD userland and kernel.
There is a build.sh in the src directory that is recommended instead of using make directly.
FreeBSD has not developed this infrastructure for cross-compiling, though there has been some talk about producing such an infrastructure.
My question would be the other way around, how to cross-compile Linux from FreeBSD or NetBSD.
This would not be a full-fledged Ubuntu or other fancy distro, but more comparable to FreeBSD or NetBSD base system.
Tom
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