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freebsd-ports/base
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Mathieu Arnold cf118ccf87
One more small cleanup, forgotten yesterday. 
Reported by:	lwhsu
2021-04-07 10:09:01 +02:00
..
binutils One more small cleanup, forgotten yesterday. 2021-04-07 10:09:01 +02:00
gcc6 One more small cleanup, forgotten yesterday. 2021-04-07 10:09:01 +02:00
Makefile
README all: Remove all other $FreeBSD keywords. 2021-04-06 16:31:13 +02:00

README 

How to cross build initial toolchain

Example with sparc64

1/ install a cross toolchain
pkg install sparc64-gcc6

2/ cross build world
make CROSS_TOOLCHAIN=sparc64-gcc6 TARGET=sparc64 TARGET_ARCH=sparc64 buildworld

3/ install the world in a sysroot
make CROSS_TOOLCHAIN=sparc64-gcc6 TARGET=sparc64 TARGET_ARCH=sparc64 installworld DESTDIR=/sysroots/sparc64

4/ build the required port
$ cd base/binutils
make CROSS_TOOLCHAIN=sparc64-gcc6 CROSS_SYSROOT=/sysroots/sparc64 package

$ cd base/gcc6
make CROSS_TOOLCHAIN=sparc64-gcc6 CROSS_SYSROOT=/sysroots/sparc64 package

The packages are in base/gcc6/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-gcc6 CROSS_SYSROOT=/sysroots/sparc64 makeplist > pkg-plist

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