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86c96ca1f2
The default library search directories when building a native GCC end up falling back to /usr/local/lib (for devel/*-gcc) and /usr/lib (for base/gcc) even when --sysroot is used. For devel/*-gcc, I previously forced CROSS_DIRECTORY_STRUCTURE on in r466699 to workaround this. However, this solution could not be used for base/gcc. Instead, patch the sources to remove several of the library search directories and override STARTFILE_PREFIX_SPEC to only look in /usr/lib. GCC still adds tuple-specific subdirs to /usr/lib, but this is ok. Bump PORTREVISION for both the external GCC toolchains and base/gcc. Reviewed by: kan Differential Revision: https://reviews.freebsd.org/D18677 |
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| 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