From bfebf4c25045d0aa21b9ee430904819b4aaeacea Mon Sep 17 00:00:00 2001 From: Daniel Thompson Date: Fri, 7 Feb 2020 08:12:17 +0000 Subject: [PATCH] README: Add some notes about toolchains There are many problem reports caused by people picking up somewhat old compilers (gcc-6.3.1 seems especially common) from their distro. --- README.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/README.md b/README.md index 997a8be..fa852f3 100644 --- a/README.md +++ b/README.md @@ -31,6 +31,10 @@ make softdevice make -j `nproc` BOARD=pinetime all ~~~ +Note: *You will need a toolchain for the Arm Cortex-M4. wasp-os is developed and tested using the [GNU-RM toolchain](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm) (9-2019-q4) from Arm.* + +Note #2: *There are known problems with toolchains older than gcc-7.3 due to problems with link-time-optimization (which is enabled by default)* + Installing ----------