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update this to reality a little.

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This commit is contained in:
mrg 2010-06-30 03:28:01 +00:00
parent a472ed2f77
commit 4f6d9f583c
1 changed files with 7 additions and 7 deletions
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14
compat/README
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@ -1,4 +1,4 @@
$NetBSD: README,v 1.5 2009/12/13 17:58:27 snj Exp $
$NetBSD: README,v 1.6 2010/06/30 03:28:01 mrg Exp $
Building multi- ABI libraries for NetBSD platforms.
@ -19,11 +19,11 @@ for each ABI required. e.g., src/compat/amd64/i386 is where we build
the 32-bit compat libraries for the amd64 port. In each of these
subdirs, a small Makefile and makefile fragment should exist. The
Makefile should set BSD_MK_COMPAT_FILE to equal the fragment, and then
include "../../Makefile.common". Eg, amd64/i386/Makefile has:
include "../../compatsubdir.mk" Eg, amd64/i386/Makefile has:
BSD_MK_COMPAT_FILE=${.CURDIR}/bsd.i386.mk
.include "../../Makefile.common"
.include "../../compatsubdir.mk"
In the makefile fragment any changes to ABI flags are passed here
and the MLIBDIR variable must be set to the subdirectory in /usr/lib
@ -41,9 +41,9 @@ helper Makefiles around. amd64/i386/bsd.i386.mk looks like:
CRYPTO_MACHINE_CPU= ${MLIBDIR}
LDELFSO_MACHINE_CPU= ${MLIBDIR}
.include "${NETBSDSRCDIR}/compat/Makefile.m32"
.include "${NETBSDSRCDIR}/compat/m32.mk"
and the referenced Makefile.m32 looks like:
and the referenced m32.mk looks like:
COPTS+= -m32
CPUFLAGS+= -m32
@ -54,10 +54,10 @@ and the referenced Makefile.m32 looks like:
.include "Makefile.compat"
Makefile.common holds the list of subdirectories (the libraries and
compatsubdir.mk holds the list of subdirectories (the libraries and
ld.elf_so) to build with this ABI.
Makefile.md_subdir holds the list of subdirectories for each port.
archdirs.mk holds the list of subdirectories for each port.
Makefile.compat has the basic framework to force the right paths for
library and ld.elf_so linkage. It contains a hack to create subdirs