Bug 1643099 - [geckodriver] Build geckodriver as static executable for Linux. r=froydnj

Differential Revision: https://phabricator.services.mozilla.com/D81605

taskcluster/ci/toolchain/geckodriver.yml

@@ -24,29 +24,31 @@ job-defaults:
             # Changes to 'third_party/rust' should be captured by
             # 'testing/geckodriver/Cargo.toml'.
 
+# For Linux platforms target "*-musl" so that the binary will be statically linked.
+
 linux32-geckodriver:
     treeherder:
         symbol: TL32(gd)
         platform: linux32/opt
     run:
-        arguments: ['i686-unknown-linux-gnu']
+        arguments: ['i686-unknown-linux-musl']
     attributes:
         build_platform: linux-geckodriver
     fetches:
         toolchain:
-            - linux64-rust
+            - linux64-rust-static
 
 linux64-geckodriver:
     treeherder:
         symbol: TL(gd)
         platform: linux64/opt
     run:
-        arguments: ['x86_64-unknown-linux-gnu']
+        arguments: ['x86_64-unknown-linux-musl']
     attributes:
         build_platform: linux64-geckodriver
     fetches:
         toolchain:
-            - linux64-rust
+            - linux64-rust-static
 
 macosx64-geckodriver:
     treeherder:

taskcluster/ci/toolchain/rust.yml

@@ -79,6 +79,21 @@ linux64-rust-cross-1.43:
         ]
         toolchain-alias: linux64-rust-cross
 
+linux64-rust-static-1.43:
+    description: "rust repack with static linking support"
+    treeherder:
+        symbol: TL(rust-static)
+    run:
+        arguments: [
+            '--channel', '1.43.0',
+            '--host', 'x86_64-unknown-linux-gnu',
+            '--target', 'x86_64-unknown-linux-gnu',
+            '--target', 'x86_64-unknown-linux-musl',
+            '--target', 'i686-unknown-linux-gnu',
+            '--target', 'i686-unknown-linux-musl',
+        ]
+        toolchain-alias: linux64-rust-static
+
 linux64-rust-macos-1.41:
     description: "rust repack with macos-cross support"
     treeherder:

taskcluster/scripts/misc/build-geckodriver.sh

@@ -43,7 +43,7 @@ x86_64-apple-darwin)
   ;;
 esac
 
-export PATH="$(cd $MOZ_FETCHES_DIR && pwd)/rustc/bin:$PATH"
+export PATH="$MOZ_FETCHES_DIR/rustc/bin:$PATH"
 
 cd $GECKO_PATH/testing/geckodriver
 

taskcluster/scripts/misc/repack_rust.py

@@ -224,10 +224,11 @@ def package(manifest, pkg, target):
 
 def fetch_package(manifest, pkg, host):
     version, info = package(manifest, pkg, host)
-    log('%s %s\n  %s\n  %s' % (pkg, version, info['url'], info['hash']))
     if not info['available']:
         log('%s marked unavailable for %s' % (pkg, host))
         raise AssertionError
+
+    log('%s %s\n  %s\n  %s' % (pkg, version, info['url'], info['hash']))
     sha = fetch(info['url'])
     if sha != info['hash']:
         log('Checksum mismatch: package resource is different from manifest'
@@ -240,7 +241,9 @@ def fetch_std(manifest, targets):
     stds = []
     for target in targets:
         stds.append(fetch_package(manifest, 'rust-std', target))
-        stds.append(fetch_package(manifest, 'rust-analysis', target))
+        # not available for i686
+        if target != "i686-unknown-linux-musl":
+            stds.append(fetch_package(manifest, 'rust-analysis', target))
     return stds