Bug 1620165 - Switch win32 opt and debug builds to cross-compiles. r=dmajor

Differential Revision: https://phabricator.services.mozilla.com/D65485

--HG--
extra : moz-landing-system : lando

taskcluster/ci/build/windows.yml

@@ -22,31 +22,50 @@ win32/debug:
         platform: windows2012-32/debug
         symbol: B
         tier: 1
-    worker-type: b-win2012
+    worker-type: b-linux
     worker:
+        docker-image: {in-tree: debian9-amd64-build}
         max-run-time: 7200
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/win32/releng.manifest"
             MOZ_AUTOMATION_PACKAGE_TESTS: "1"
     run:
         options: [append-env-variables-from-configs]
+        actions: [get-secrets, build]
         script: mozharness/scripts/fx_desktop_build.py
         secrets: true
         config:
             - builds/releng_base_firefox.py
-            - builds/taskcluster_base_windows.py
-            - builds/taskcluster_base_win32.py
+            - builds/releng_base_linux_64_builds.py
             - builds/taskcluster_sub_win32/debug.py
         mozconfig-variant: debug
+        extra-config:
+            mozconfig_platform: win32
+            env:
+                LD_PRELOAD: "/builds/worker/fetches/liblowercase/liblowercase.so"
+                LOWERCASE_DIRS: "/builds/worker/checkouts/gecko/vs2017_15.8.4"
+    dependencies:
+        win64-clang-cl: toolchain-win64-clang-cl
     fetches:
         toolchain:
-            - win64-clang-cl
-            - win64-rust
-            - win64-rust-size
-            - win64-cbindgen
-            - win64-sccache
-            - win64-nasm
-            - win64-node
+            - linux64-binutils
+            - linux64-clang
+            - linux64-rust-cross-1.41
+            - linux64-rust-size
+            - linux64-nasm
+            - linux64-node
+            - linux64-cbindgen
+            - linux64-sccache
+            - linux64-dump-syms
+            - linux64-wine
+            - linux64-liblowercase
+        fetch:
+            - nsis-3.01-win
+            - upx-3.95-win
+        win64-clang-cl:
+            - artifact: clang.tar.bz2
+              extract: true
+              dest: clang-cl
 
 win32/opt:
     description: "Win32 Opt"
@@ -60,32 +79,50 @@ win32/opt:
         platform: windows2012-32/opt
         symbol: B
         tier: 1
-    worker-type: b-win2012
+    worker-type: b-linux
     worker:
+        docker-image: {in-tree: debian9-amd64-build}
         max-run-time: 7200
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/win32/releng.manifest"
             MOZ_AUTOMATION_PACKAGE_TESTS: "1"
     run:
         options: [append-env-variables-from-configs]
+        actions: [get-secrets, build]
         script: mozharness/scripts/fx_desktop_build.py
         secrets: true
         config:
             - builds/releng_base_firefox.py
-            - builds/taskcluster_base_windows.py
-            - builds/taskcluster_base_win32.py
+            - builds/releng_base_linux_64_builds.py
         extra-config:
             stage_platform: win32
+            mozconfig_platform: win32
+            env:
+                LD_PRELOAD: "/builds/worker/fetches/liblowercase/liblowercase.so"
+                LOWERCASE_DIRS: "/builds/worker/checkouts/gecko/vs2017_15.8.4"
     run-on-projects: ['mozilla-central', 'try']
+    dependencies:
+        win64-clang-cl: toolchain-win64-clang-cl
     fetches:
         toolchain:
-            - win64-clang-cl
-            - win64-rust
-            - win64-rust-size
-            - win64-cbindgen
-            - win64-sccache
-            - win64-nasm
-            - win64-node
+            - linux64-binutils
+            - linux64-clang
+            - linux64-rust-cross-1.41
+            - linux64-rust-size
+            - linux64-nasm
+            - linux64-node
+            - linux64-cbindgen
+            - linux64-sccache
+            - linux64-dump-syms
+            - linux64-wine
+            - linux64-liblowercase
+        fetch:
+            - nsis-3.01-win
+            - upx-3.95-win
+        win64-clang-cl:
+            - artifact: clang.tar.bz2
+              extract: true
+              dest: clang-cl
 
 win64/debug:
     description: "Win64 Debug"