K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2019-01-25T19:04:49.427972Z
K 7
svn:log
V 757
Override the library search directories for external GCC toolchains.

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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