Re: [PATCH] ld.so.8: add some multi-arch notes, linker paths are quite varied (but standardized to each arch)

[Shawn Landden <shawn-01I/ocv1qBBILuwUvNxBeQ@public.gmane.org>]

I started a multiarch.7 man-page, but I am not sure it belongs in man-pages...
at least we should not cover all the package manager details.

.\" Copyright (c) 2015 by Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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.TH NPTL 7 2015-03-31 "Linux" "Linux Programmer's Manual"
.SH NAME
multiarch \- Multiarch support
.SH DESCRIPTION
Multiarch
is a way of installing multiple binary targets (such as i386-linux-gnu and
amd64-linux-gnu) on one
.BR hier (7)
filesystem, which originated in (but is not limited to)
Debian and Ubuntu.
.\"
.SS Overview and scope
Multiarch allows binaries of many ABI targets to co-exist on the same system.
Through the use of
.BR qemu-user-static (1)
and
.BR binfmt.d (5)
it is even possible to run targets that are not natively runnable. It also can
be used for cross-compilation.
.sp
The current spec does not address having multiple binaries of the same name, and
thus does not effect
.BR path_resolution (7)
.
.\"
.SS Library paths
.IR /lib/${TRIPLET}
then
.IR /usr/lib/${TRIPLET}
then
.IR /lib/
then
.IR /usr/lib/
.\"
.SS Include paths
.IR /lib/include/${TRIPLET}
then
.IR /lib/include/
then
.IR /usr/lib/include/${TRIPLET}
then
.IR /usr/lib/include/
.\"
.SS Existing triplets
The multiarch triplet is a normalized GNU triplet. 
+               "/usr/lib/x86_64-linux-gnu/", "/lib/x86_64-linux-gnu/",
+               "/usr/lib/i386-linux-gnu/", "/lib/i386-linux-gnu/",
+               "/usr/lib/arm-linux-gnueabihf/", "/lib/arm-linux-gnueabihf/",
+               "/usr/lib/arm-linux-gnueabi/", "/lib/arm-linux-gnueabi/",
+               "/usr/lib/aarch64-linux-gnu/", "/lib/aarch64-linux-gnu/",
+               "/usr/lib/ia64-linux-gnu/", "/lib/ia64-linux-gnu/",
+               "/usr/lib/mips-linux-gnu/", "/lib/mips-linux-gnu/",
+               "/usr/lib/mipsel-linux-gnu/", "/lib/mipsel-linux-gnu/",
+               "/usr/lib/powerpc-linux-gnu/", "/lib/powerpc-linux-gnu/",
+               "/usr/lib/ppc64-linux-gnu/", "/lib/ppc64-linux-gnu/",
+               "/usr/lib/s390-linux-gnu/", "/lib/s390-linux-gnu/",
+               "/usr/lib/s390x-linux-gnu/", "/lib/s390x-linux-gnu/",
+               "/usr/lib/sh4-linux-gnu/", "/lib/sh4-linux-gnu/",
+               "/usr/lib/sparc-linux-gnu/", "/lib/sparc-linux-gnu/",
+               "/usr/lib/sparc64-linux-gnu/", "/lib/sparc64-linux-gnu/",
+               "/usr/lib/x86_64-linux-gnux32/", "/lib/x86_64-linux-gnux32/",
.\"
.SH CONFORMING TO
https://wiki.ubuntu.com/MultiarchSpec
https://wiki.ubuntu.com/MultiarchCross
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