Commit f6e48acf authored by Emily Trau's avatar Emily Trau
Browse files

gcc8: support avr cross compilation on aarch64-darwin

parent de502c4d

pkgs/development/compilers/gcc/default.nix

+6 −2
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ 
, buildPackages

, pkgsBuildTarget

, libxcrypt

, disableGdbPlugin ? !enablePlugin

, disableGdbPlugin ? !enablePlugin || (stdenv.targetPlatform.isAvr && stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64)

, nukeReferences

, callPackage

, majorMinorVersion
@@ -423,7 +423,11 @@ lib.pipe ((callFile ./common/builder.nix {}) ({ 
      maintainers

    ;

  } // lib.optionalAttrs (!atLeast11) {

    badPlatforms = if !(is48 || is49) then [ "aarch64-darwin" ] else lib.platforms.darwin;

    badPlatforms =

      # avr-gcc8 is maintained for the `qmk` package

      if (is8 && targetPlatform.isAvr) then []

      else if !(is48 || is49) then [ "aarch64-darwin" ]

      else lib.platforms.darwin;

  } // lib.optionalAttrs is11 {

    badPlatforms = if targetPlatform != hostPlatform then [ "aarch64-darwin" ] else [ ];

  };

pkgs/development/compilers/gcc/patches/8/avr-gcc-8-darwin.patch

0 → 100644
+16 −0
Original line number Diff line number Diff line 
From https://gist.githubusercontent.com/DavidEGrayson/88bceb3f4e62f45725ecbb9248366300/raw/c1f515475aff1e1e3985569d9b715edb0f317648/gcc-11-arm-darwin.patch



diff -ur a/gcc/config/host-darwin.c b/gcc/config/host-darwin.c

--- a/gcc/config/host-darwin.c	2021-04-27 03:00:13.000000000 -0700

+++ b/gcc/config/host-darwin.c	2021-06-11 14:49:13.754000000 -0700

@@ -22,6 +22,10 @@

 #include "coretypes.h"

 #include "diagnostic-core.h"

 #include "config/host-darwin.h"

+#include "hosthooks.h"

+#include "hosthooks-def.h"

+

+const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER;

 

 /* Yes, this is really supposed to work.  */

 /* This allows for a pagesize of 16384, which we have on Darwin20, but should
 
 No newline at end of file

pkgs/development/compilers/gcc/patches/default.nix

+5 −0
Original line number Diff line number Diff line
@@ -215,6 +215,11 @@ in 
# which is not supported by the clang integrated assembler used by default on Darwin.

++ optional (is8 && hostPlatform.isDarwin) ./8/gcc8-darwin-as-gstabs.patch



# Make avr-gcc8 build on aarch64-darwin

# avr-gcc8 is maintained for the `qmk` package

# https://github.com/osx-cross/homebrew-avr/blob/main/Formula/avr-gcc%408.rb#L69

++ optional (is8 && targetPlatform.isAvr && hostPlatform.isDarwin && hostPlatform.isAarch64) ./8/avr-gcc-8-darwin.patch





## gcc 7.0 and older ##############################################################################