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Documenting creating integer build (#1961)

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Frank Exoo 2017-05-08 13:39:27 +02:00 committed by Marcel Stör
parent faefc09595
commit 3aef438aa0
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docs/en/build.md
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@ -55,6 +55,22 @@ editing `BIT_RATE_DEFAULT` in `app/include/user_config.h`:
Note that, by default, the firmware runs an auto-baudrate detection algorithm so that typing a few characters at boot time will cause
the firmware to lock onto that baud rate (between 1200 and 230400).
### Integer build
By default a build will be generated supporting floating-point variables.
To reduce memory size an integer build can be created. You can change this
either by uncommenting `LUA_NUMBER_INTEGRAL` in `app/include/user_config.h`:
```c
#define LUA_NUMBER_INTEGRAL
```
OR by overriding this with the `make` command as it's [done during the CI
build](https://github.com/nodemcu/nodemcu-firmware/blob/master/.travis.yml#L30):
```
make EXTRA_CCFLAGS="-DLUA_NUMBER_INTEGRAL ....
```
### Tag Your Build
Identify your firmware builds by editing `app/include/user_version.h`