# Problem when "make wp76xx"

**URL:** https://forum.legato.io/t/problem-when-make-wp76xx/6341
**Category:** Legato Application Framework
**Created:** [November 22, 2022, 8:14am UTC](https://forum.legato.io/t/problem-when-make-wp76xx/6341 "2022-11-22T08:14:05Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![jyijyi](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.legato.io/jyijyi/32/822_2.png) [@jyijyi](https://forum.legato.io/u/jyijyi)
#### Post date: [November 22, 2022, 9:43am UTC](https://forum.legato.io/t/problem-when-make-wp76xx/6341/4 "2022-11-22T09:43:55Z")

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You can try the following according to your environment:

```auto
sudo apt-get install cmake
export WP76XX_TOOLCHAIN_DIR=/opt/swi/y22-ext/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi
export WP76XX_TOOLCHAIN_PREFIX=arm-poky-linux-gnueabi-
make wp76xx

```

> [@Make wp76 error libjansson.so](https://forum.legato.io/t/make-wp76-error-libjansson-so/4823):
>
> fhs@fhs-OptiPlex-7010:~/workspace/legato$ make wp76 Building Legato for target 'wp76' Makefile:127: build/wp76/.config.mk: 没有那个文件或目录 GEN build/wp76/.config.mk Building Legato for target 'wp76' GEN version GEN build/wp76/framework/include/le\_config.h MAKE tools make[1]: Entering directory '/home/fhs/workspace/legato' Using ninja installed at: /usr/bin/ninja GEN /home/fhs/workspace/legato/build/tools/build.ninja Tools arch: x86\_64 NPM languageServer …

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