simbit18 commented on issue #12333:
URL: https://github.com/apache/nuttx/issues/12333#issuecomment-2110187514
### Steps clean install MSYS2
**1) Install MSYS2**
https://www.msys2.org/
**2) Use MSYS2 MSYS shell launcher** (C:\msys64\msys2.exe)
(https://www.msys2.org/docs/environments/)
```
Update the package databases
$ pacman -Syuu
```
**3) Installing dependencies**
(Always use the MSYS2 shell launcher -> C:\msys64\msys2.exe)
```
$ pacman -S --noconfirm --needed base-devel gcc gperf automake autoconf
git python3 ncurses-devel unzip zip tio zlib-devel cmake ninja python-pip vim
$ pip3 install --root-user-action=ignore --no-cache-dir pyelftools
cxxfilt kconfiglib
```
**4) Install a toolchain for ARM architecture and tool kconfig frontends**
(Always use the MSYS2 shell launcher -> C:\msys64\msys2.exe)
```
$ mkdir -p nuttxspace
$ cd nuttxspace
```
Copy the attached script **install_tools.txt** to the **nuttxspace**
folder and run
[install_tools.txt](https://github.com/apache/nuttx/files/15308664/install_tools.txt)
```
$ ./install_tools.sh
```
**This command must run in every terminal window**
```
$ source ./tools/env.sh
```
Check the compiler version you have already installed.
```
$ arm-none-eabi-gcc -v-version
```
**5) Clone git repositories**
```
$ git clone https://github.com/apache/nuttx.git nuttx
$ git clone https://github.com/apache/nuttx-apps apps
```
**6) Initialize Configuration and Build NuttX**
```
$ cd nuttx
$ ./tools/configure.sh -g stm32f4discovery:nsh
( where :
-g selects the Windows host and MSYS environment and
stm32f4discovery:nsh -> <board name>:<board configuration>)
```
You can then customize this configuration
```
$ make menuconfig
```
Build NuttX
(you can pass the -jN flag to make, where N is the number of parallel jobs
```
$ make V=1 -j 2
```
To clean the build, you can do:
```
$ make clean -j 2
```
Build NuttX for new board
first run
```
$ make distclean -j 2
(It removes the configuration of the previous board)
```
after running the command (start of step 6)
```
$ ./tools/configure.sh -g <board name>:<board configuration>
```
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