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31 lines
904 B
Plaintext
31 lines
904 B
Plaintext
# $FreeBSD$
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How to cross build initial toolchain
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Example with sparc64
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1/ install a cross toolchain
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pkg install sparc64-xtoolchain-gcc
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2/ cross build world
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make CROSS_TOOLCHAIN=sparc64-gcc TARGET=sparc64 TARGET_ARCH=sparc64 buildworld
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3/ install the world in a sysroot
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make CROSS_TOOLCHAIN=sparc64-gcc TARGET=sparc64 TARGET_ARCH=sparc64 installworld DESTDIR=/sysroots/sparc64
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4/ build the required port
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$ cd base/binutils
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make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 package
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$ cd base/gcc
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make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 package
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the package are in base/gcc/work/pkg/*.txz and base/binutils/work/pkg/*.txz
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To add a plist for a new binutils target
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$ cd base/binutils
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make CROSS_TOOLCHAIN=sparc64-gcc CROSS_SYSROOT=/sysroots/sparc64 makeplist > pkg-plist
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edit the pkg-plist and remove everything which base does not provide via the
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elftoolchain
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