User's Manual

2. Getting Started

Install toolchain.

cd crosstool-NG/

./bootstrap && ./configure --prefix=`pwd` && make && make install

For auto-completion, do not forget to install 'ct-ng.comp' into

your bash completion directory (usually /etc/bash_completion.d)

username:/opt/Espressif/crosstool-NG$

./ct-ng xtensa-esp108-elf

***********************************************************

WARNING! This sample may enable experimental features.

Please be sure to review the configuration prior

to building and using your toolchain!

Now, you have been warned!

***********************************************************

Now configured for "xtensa-esp108-elf"

username:/opt/Espressif/crosstool-NG$

./ct-ng build

[INFO ] Cleaning-up the toolchain's directory

[INFO ] Stripping all toolchain executables

[INFO ] Cleaning-up the toolchain's directory: done in 1.85s (at

24:28)

[INFO ] Build completed at 20151210.175153

[INFO ] (elapsed: 24:27.54)

[INFO ] Finishing installation (may take a few seconds)...

Set the PATH variable to point to the newly compiled toolchain.

export PATH=/opt/Espressif/crosstool-NG/builds/xtensa-esp108-elf/bin:

$PATH

Note：

It takes about dozens of minutes to build toolchain.

⚠ Notice：

Make sure you set the correct path, or it will occur a compile error.

Espressif

2015.12

Conﬁdential