gcc-arm-embedded-{6,7,8}: enable on aarch64-darwin

(using x86_64-darwin binaries, these can be run if rosetta is installed)

pkgs/development/compilers/gcc-arm-embedded/6/default.nix

@@ -12,6 +12,7 @@ stdenv.mkDerivation rec {
   subdir = "6-2017q2";
 
   suffix = {
+    aarch64-darwin = "mac";  # use intel binaries via rosetta
     x86_64-darwin = "mac";
     x86_64-linux  = "linux";
   }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
@@ -19,6 +20,7 @@ stdenv.mkDerivation rec {
   src = fetchurl {
     url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
     sha256 = {
+      aarch64-darwin = "0019ylpq4inq7p5gydpmc9m8ni72fz2csrjlqmgx1698998q0c3x";
       x86_64-darwin = "0019ylpq4inq7p5gydpmc9m8ni72fz2csrjlqmgx1698998q0c3x";
       x86_64-linux  = "1hvwi02mx34al525sngnl0cm7dkmzxfkb1brq9kvbv28wcplp3p6";
     }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
@@ -48,6 +50,6 @@ stdenv.mkDerivation rec {
     homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
     license = with licenses; [ bsd2 gpl2 gpl3 lgpl21 lgpl3 mit ];
     maintainers = with maintainers; [ prusnak ];
-    platforms = [ "x86_64-linux" "x86_64-darwin" ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };
 }

pkgs/development/compilers/gcc-arm-embedded/7/default.nix

@@ -12,6 +12,7 @@ stdenv.mkDerivation rec {
   subdir = "7-2018q2";
 
   suffix = {
+    aarch64-darwin = "mac";  # use intel binaries via rosetta
     x86_64-darwin = "mac";
     x86_64-linux  = "linux";
   }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
@@ -19,6 +20,7 @@ stdenv.mkDerivation rec {
   src = fetchurl {
     url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
     sha256 = {
+      aarch64-darwin = "0nc7m0mpa39qyhfyydxkkyqm7spfc27xf6ygi2vd2aym4r9azi61";
       x86_64-darwin = "0nc7m0mpa39qyhfyydxkkyqm7spfc27xf6ygi2vd2aym4r9azi61";
       x86_64-linux  = "0sgysp3hfpgrkcbfiwkp0a7ymqs02khfbrjabm52b5z61sgi05xv";
     }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
@@ -48,6 +50,6 @@ stdenv.mkDerivation rec {
     homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
     license = with licenses; [ bsd2 gpl2 gpl3 lgpl21 lgpl3 mit ];
     maintainers = with maintainers; [ prusnak ];
-    platforms = [ "x86_64-linux" "x86_64-darwin" ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };
 }

pkgs/development/compilers/gcc-arm-embedded/8/default.nix

@@ -12,6 +12,7 @@ stdenv.mkDerivation rec {
   subdir = "8-2019q3/RC1.1";
 
   suffix = {
+    aarch64-darwin = "mac";  # use intel binaries via rosetta
     x86_64-darwin = "mac";
     x86_64-linux  = "linux";
   }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
@@ -19,6 +20,7 @@ stdenv.mkDerivation rec {
   src = fetchurl {
     url = "https://developer.arm.com/-/media/Files/downloads/gnu-rm/${subdir}/gcc-arm-none-eabi-${release}-${suffix}.tar.bz2";
     sha256 = {
+      aarch64-darwin = "fc235ce853bf3bceba46eff4b95764c5935ca07fc4998762ef5e5b7d05f37085";
       x86_64-darwin = "fc235ce853bf3bceba46eff4b95764c5935ca07fc4998762ef5e5b7d05f37085";
       x86_64-linux  = "b50b02b0a16e5aad8620e9d7c31110ef285c1dde28980b1a9448b764d77d8f92";
     }.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
@@ -48,6 +50,6 @@ stdenv.mkDerivation rec {
     homepage = "https://developer.arm.com/open-source/gnu-toolchain/gnu-rm";
     license = with licenses; [ bsd2 gpl2 gpl3 lgpl21 lgpl3 mit ];
     maintainers = with maintainers; [ prusnak ];
-    platforms = [ "x86_64-linux" "x86_64-darwin" ];
+    platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
   };
 }