Bug 41137: add the linux-aarch64 targets and improve linux-cross

rbm.conf

@@ -468,14 +468,29 @@ targets:
     - linux-i686
     - linux
     - basebrowser
+  torbrowser-linux-aarch64:
+    - linux-cross
+    - linux-aarch64
+    - linux
+    - torbrowser
+  basebrowser-linux-aarch64:
+    - linux-cross
+    - linux-aarch64
+    - linux
+    - basebrowser
+  mullvadbrowser-linux-aarch64:
+    - linux-cross
+    - linux-aarch64
+    - linux
+    - mullvadbrowser
   torbrowser-linux-arm:
-    - linux-arm
     - linux-cross
+    - linux-arm
     - linux
     - torbrowser
   basebrowser-linux-arm:
-    - linux-arm
     - linux-cross
+    - linux-arm
     - linux
     - basebrowser
   linux-x86_64:
@@ -493,18 +508,26 @@ targets:
       linux-cross: 0
       configure_opt: '--host=i686-linux-gnu CFLAGS=-m32 CXXFLAGS=-m32 LDFLAGS=-m32 [% c("var/configure_opt_project") %]'
       arch_debian: i386
+  linux-aarch64:
+    arch: aarch64
+    var:
+      linux-aarch64: 1
+      osname: linux-aarch64
+      linux-cross: 1
+      arch_debian: arm64
+      crosstarget: aarch64-linux-gnu
   linux-arm:
     arch: arm
     var:
       linux-arm: 1
       osname: linux-arm
-      crosstarget: arm-linux-gnueabihf
+      linux-cross: 1
       arch_debian: armhf
+      crosstarget: arm-linux-gnueabihf
   linux-cross:
     var:
       linux-cross: 1
-      container:
-        arch: amd64
+      compiler: 'gcc[% IF ! c("var/no_crosscompile") %]-cross[% END %]'
       configure_opt: '--host=[% c("var/crosstarget") %] [% c("var/configure_opt_project") %]'
   linux:
     # tar in strech does not know how to extract tar.zst files