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update brew install for gcc-arm #377

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update brew install for gcc-arm #377

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10 changes: 4 additions & 6 deletions docs/os/get_started/cross_tools.md
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Original file line number Diff line number Diff line change
Expand Up @@ -15,16 +15,14 @@ ARM maintains a pre-built GNU toolchain with gcc and gdb targeted at Embedded AR
Add the **PX4/homebrew-px4** homebrew tap and install version 4.9 of the toolchain. After installing, check that the symbolic link that homebrew created points to the correct version of the debugger.

```no-highlight
$ brew tap PX4/homebrew-px4
$ brew tap caskroom/homebrew-cask
$ brew update
$ brew install gcc-arm-none-eabi-49
$ brew cask install gcc-arm-embedded
$ arm-none-eabi-gcc --version
arm-none-eabi-gcc (GNU Tools for ARM Embedded Processors) 4.9.3 20150529 (release) [ARM/embedded-4_9-branch revision 224288]
Copyright (C) 2014 Free Software Foundation, Inc.
arm-none-eabi-gcc (GNU Tools for Arm Embedded Processors 7-2017-q4-major) 7.2.1 20170904 (release) [ARM/embedded-7-branch revision 255204]
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ ls -al /usr/local/bin/arm-none-eabi-gdb
lrwxr-xr-x 1 aditihilbert admin 69 Sep 22 17:16 /usr/local/bin/arm-none-eabi-gdb -> /usr/local/Cellar/gcc-arm-none-eabi-49/20150609/bin/arm-none-eabi-gdb
```
**Note:** If no version is specified, brew will install the latest version available.

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