# USBaspLoader 2048
OPT_DEFS += -DBOOTLOADER_SIZE=2048
```
+
+## `avr-gcc: internal compiler error: Abort trap: 6 (program cc1)` on MacOS
+This is an issue with updating on brew, causing symlinks that avr-gcc depend on getting mangled.
+
+The solution is to remove and reinstall all affected modules.
+
+```
+brew rm avr-gcc
+brew rm dfu-programmer
+brew rm gcc-arm-none-eabi
+brew rm avrdude
+brew install avr-gcc
+brew install dfu-programmer
+brew install gcc-arm-none-eabi
+brew install avrdude
+```