Add comment explaining the rpi2 gcc flags.

2015-03-05 10:00:21 +00:00 · 2015-03-05 10:00:21 +00:00 · 9d8c26efae
commit 9d8c26efae
parent c1b803ba0e
1 changed files with 5 additions and 0 deletions
--- a/pkgs/top-level/platforms.nix
+++ b/pkgs/top-level/platforms.nix
@ -293,6 +293,11 @@ rec {
    kernelTarget = "zImage";
    uboot = null;
    gcc = {
+      # For gcc 4.8, the best for rpi2 would be:
+      #   cpu = "cortex-a7";
+      #   fpu = "neon-vfpv4";
+      # But we prefer compatibility with the beaglebone, so both
+      # can run the same built store paths.
      arch = "armv7-a";
      fpu = "vfpv3-d16";
      float = "hard";