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Update instructions to use freebsd-gcc6 packages.

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Reported by:	Mark Millard
Reviewed by:	bapt
Differential Revision:	https://reviews.freebsd.org/D23011
This commit is contained in:
John Baldwin 2020-01-03 21:09:18 +00:00
parent 1afaf51bfa
commit 8622a73b5e
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=521962
1 changed files with 8 additions and 8 deletions
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16
base/README
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@ -5,26 +5,26 @@ How to cross build initial toolchain
Example with sparc64
1/ install a cross toolchain
pkg install sparc64-xtoolchain-gcc
pkg install sparc64-gcc6
2/ cross build world
make CROSS_TOOLCHAIN=sparc64-gcc TARGET=sparc64 TARGET_ARCH=sparc64 buildworld
make CROSS_TOOLCHAIN=sparc64-gcc6 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
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-gcc CROSS_SYSROOT=/sysroots/sparc64 package
make CROSS_TOOLCHAIN=sparc64-gcc6 CROSS_SYSROOT=/sysroots/sparc64 package
$ cd base/gcc
make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 package
$ cd base/gcc6
make CROSS_TOOLCHAIN=sparc64-gcc6 CROSS_SYSROOT=/sysroots/sparc64 package
the package are in base/gcc/work/pkg/*.txz and base/binutils/work/pkg/*.txz
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-gcc CROSS_SYSROOT=/sysroots/sparc64 makeplist > pkg-plist
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