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picolibc: get --picolibc-buildtype=release working #820

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picolibc: get --picolibc-buildtype=release working #820

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Commits on Oct 10, 2024

  1. picolibc: Enable dual-mode picolibc builds 

    This provides both minsize and release versions of picolibc in the SDK,
allowing users to select between them while building their application.

Signed-off-by: Keith Packard <[email protected]>
    @keith-packard
    keith-packard committed Oct 10, 2024
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Commits on Oct 11, 2024

  1. picolibc: Pull in ARC release build fix 

    In release builds, several targets would get both asm and C versions
of strchr included, which is a fatal picolibc build error. Pull
in the fix for that.

Signed-off-by: Keith Packard <[email protected]>
    @keith-packard
    keith-packard committed Oct 11, 2024
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Commits on Oct 12, 2024

  1. gcc: Include patch to make picolibc dual mode work 

    gcc's spec file processing had a bug where it would
truncate the 'release' paths when using a 'sysroot' style
install (which uses getenv in spec files).

Signed-off-by: Keith Packard <[email protected]>
    @keith-packard
    keith-packard committed Oct 12, 2024
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  2. picolibc: Add crt0 path fix 

    Not strictly necessary for Zephyr which doesn't use this for linking,
but still nice to have a working toolchain anyways.

Signed-off-by: Keith Packard <[email protected]>
    @keith-packard
    keith-packard committed Oct 12, 2024
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  3. contrib: Show actual default build dir in linux_build_toolchain.sh 

    Need to use BUILD_DIR instead of WORKSPACE as the latter hasn't been
set at this point.

Signed-off-by: Keith Packard <[email protected]>
    @keith-packard
    keith-packard committed Oct 12, 2024
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