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freebsd-ports/base
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John Baldwin a90b307d81 Permit base/gcc to be built as a native package. 
- Don't require CROSS_TOOLCHAIN and CROSS_SYSROOT.
- Handle building for an amd64 target which needs x86_64 in
  CONFIGURE_TARGET for similar reasons described in r475291.

Reviewed by:	bapt
Differential Revision:	https://reviews.freebsd.org/D19129
2019-02-20 00:50:37 +00:00
..
binutils Permit base/binutils to be built as a native package. 2019-02-20 00:48:36 +00:00
gcc Permit base/gcc to be built as a native package. 2019-02-20 00:50:37 +00:00
Makefile
README

README 

# $FreeBSD$

How to cross build initial toolchain

Example with sparc64

1/ install a cross toolchain
pkg install sparc64-xtoolchain-gcc

2/ cross build world
make CROSS_TOOLCHAIN=sparc64-gcc TARGET=sparc64 TARGET_ARCH=sparc64 buildworld

3/ install the world in a sysroot
make CROSS_TOOLCHAIN=sparc64-gcc TARGET=sparc64 TARGET_ARCH=sparc64 installworld DESTDIR=/sysroots/sparc64

4/ build the required port
$ cd base/binutils
make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 package

$ cd base/gcc
make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 package

the package are in base/gcc/work/pkg/*.txz and base/binutils/work/pkg/*.txz

To add a plist for a new binutils target
$ cd base/binutils
make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 makeplist > pkg-plist

edit the pkg-plist and remove everything which base does not provide via the
elftoolchain