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idf: Support a custom toolchain with time_t wide 64-bits

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Allows resolving the Y2K38 problem.

Closes: IDF-350

Closes: https://github.com/espressif/esp-idf/issues/584
This commit is contained in:
Konstantin Kondrashov
2020-01-10 12:58:54 +08:00
committed by Angus Gratton
parent a39e8e5de9
commit 2c793cef06
15 changed files with 183 additions and 32 deletions
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4
docs/en/get-started/linux-setup-scratch.rst
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@@ -6,6 +6,8 @@ Setup Linux Toolchain from Scratch
The following instructions are alternative to downloading binary toolchain from Espressif website. To quickly setup the binary toolchain, instead of compiling it yourself, backup and proceed to section :doc:`linux-setup`.
.. note:: The reason you might need to build your own toolchain is to solve the Y2K38 problem (time_t expand to 64 bits instead of 32 bits).
Install Prerequisites
=====================
@@ -60,6 +62,8 @@ Download ``crosstool-NG`` and build it:
.. include:: /_build/inc/scratch-build-code.inc
.. note:: To create a toolchain with support for 64-bit time_t, you need to remove the ``--enable-newlib-long-time_t`` option from the ``crosstool-NG/samples/xtensa-esp32-elf/crosstool.config`` file in 33 and 43 lines.
Build the toolchain::
./ct-ng xtensa-esp32-elf