From 987550568f0ee8a21fb4d91d33585954fd3a3ab0 Mon Sep 17 00:00:00 2001 From: aclowes Date: Sat, 21 Feb 2015 15:45:12 -0500 Subject: [PATCH] Add instructions for using Homebrew --- README.markdown | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/README.markdown b/README.markdown index 8907cb4..2823893 100644 --- a/README.markdown +++ b/README.markdown @@ -9,8 +9,9 @@ Teensy 3.0/3.1, McHCK). Linux is the ideal build environment (preferably recent'ish). In the near future I'll make available an Arch Linux VM for building/manufacturing tests. -Building on Mac should be ok for 99% of users with Macports (haven't tried -Brew). The dfu Bootloader will not build correctly with the old version of +Building on Mac should be ok for 99% of users with Macports or Homebrew. For +Homebrew, use `brew tap PX4/homebrew-px4` to get the arm-none-eabi-gcc installer. +The dfu Bootloader will not build correctly with the old version of arm-none-eabi-gcc that Macports currently has (4.7.3). This is due to a bug with lto (link time optimizations) which makes the resulting binary too big to fit on the chip (must be less than 4096 Bytes).