Fix CMake invocation for 3.10 compat (#57415)

The -S/-B format of specifying source and build directories wasn't added
until 3.13. For 3.10 compatibility, use the older form of having the
working directory as the build directory, and the last argument as the
source directory.

Fixes #57409

packages/flutter_tools/lib/src/linux/build_linux.dart

@@ -81,20 +81,20 @@ Future<void> buildLinux(
 Future<void> _runCmake(String buildModeName, Directory sourceDir, Directory buildDir) async {
   final Stopwatch sw = Stopwatch()..start();
 
+  await buildDir.create(recursive: true);
+
   final String buildFlag = toTitleCase(buildModeName);
   int result;
   try {
     result = await processUtils.stream(
       <String>[
         'cmake',
-        '-S',
-        sourceDir.path,
-        '-B',
-        buildDir.path,
         '-G',
         'Ninja',
         '-DCMAKE_BUILD_TYPE=$buildFlag',
+        sourceDir.path,
       ],
+      workingDirectory: buildDir.path,
       environment: <String, String>{
         'CC': 'clang',
         'CXX': 'clang++'

packages/flutter_tools/test/commands.shard/hermetic/build_linux_test.dart

@@ -82,28 +82,38 @@ void main() {
     projectTemplateVersionFile.writeAsStringSync(templateVersion.toString());
   }
 
-  // Returns the command list matching the build_linux call to cmake.
-  List<String> cmakeCommand(String buildMode) {
-    return <String>[
-      'cmake',
-      '-S',
-      '/linux',
-      '-B',
-      'build/linux/$buildMode',
-      '-G',
-      'Ninja',
-      '-DCMAKE_BUILD_TYPE=${toTitleCase(buildMode)}',
-    ];
+  // Returns the command matching the build_linux call to cmake.
+  FakeCommand cmakeCommand(String buildMode, {void Function() onRun}) {
+    return FakeCommand(
+      command: <String>[
+        'cmake',
+        '-G',
+        'Ninja',
+        '-DCMAKE_BUILD_TYPE=${toTitleCase(buildMode)}',
+        '/linux',
+      ],
+      workingDirectory: 'build/linux/$buildMode',
+      onRun: onRun,
+    );
   }
 
-  // Returns the command list matching the build_linux call to ninja.
-  List<String> ninjaCommand(String buildMode) {
-    return <String>[
-      'ninja',
-      '-C',
-      'build/linux/$buildMode',
-      'install',
-    ];
+  // Returns the command matching the build_linux call to ninja.
+  FakeCommand ninjaCommand(String buildMode, {
+    Map<String, String> environment,
+    void Function() onRun,
+    String stdout = '',
+  }) {
+    return FakeCommand(
+      command: <String>[
+        'ninja',
+        '-C',
+        'build/linux/$buildMode',
+        'install',
+      ],
+      environment: environment,
+      onRun: onRun,
+      stdout: stdout,
+    );
   }
 
   testUsingContext('Linux build fails when there is no linux project', () async {
@@ -165,8 +175,8 @@ void main() {
   testUsingContext('Linux build invokes CMake and ninja, and writes temporary files', () async {
     final BuildCommand command = BuildCommand();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('release')),
-      FakeCommand(command: ninjaCommand('release')),
+      cmakeCommand('release'),
+      ninjaCommand('release'),
     ]);
 
     setUpMockProjectFilesForBuild();
@@ -186,7 +196,7 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('release'), onRun: () {
+      cmakeCommand('release', onRun: () {
         throw ArgumentError();
       }),
     ]);
@@ -205,8 +215,8 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('release')),
-      FakeCommand(command: ninjaCommand('release'), onRun: () {
+      cmakeCommand('release'),
+      ninjaCommand('release', onRun: () {
         throw ArgumentError();
       }),
     ]);
@@ -225,10 +235,10 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('debug')),
-      FakeCommand(
-        command: ninjaCommand('debug'),
-        stdout: 'STDOUT STUFF',),
+      cmakeCommand('debug'),
+      ninjaCommand('debug',
+        stdout: 'STDOUT STUFF',
+      ),
     ]);
 
     await createTestCommandRunner(command).run(
@@ -247,9 +257,8 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('debug')),
-      FakeCommand(
-        command: ninjaCommand('debug'),
+      cmakeCommand('debug'),
+      ninjaCommand('debug',
         environment: const <String, String>{
           'VERBOSE_SCRIPT_LOGGING': 'true'
         },
@@ -273,8 +282,8 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('debug')),
-      FakeCommand(command: ninjaCommand('debug')),
+      cmakeCommand('debug'),
+      ninjaCommand('debug'),
     ]);
 
 
@@ -292,8 +301,8 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('profile')),
-      FakeCommand(command: ninjaCommand('profile')),
+      cmakeCommand('profile'),
+      ninjaCommand('profile'),
     ]);
 
     await createTestCommandRunner(command).run(
@@ -310,8 +319,8 @@ void main() {
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('release')),
-      FakeCommand(command: ninjaCommand('release')),
+      cmakeCommand('release'),
+      ninjaCommand('release'),
     ]);
     fileSystem.file('lib/other.dart')
       .createSync(recursive: true);
@@ -396,8 +405,8 @@ set(BINARY_NAME "fizz_bar")
     final BuildCommand command = BuildCommand();
     setUpMockProjectFilesForBuild();
     processManager = FakeProcessManager.list(<FakeCommand>[
-      FakeCommand(command: cmakeCommand('release')),
-      FakeCommand(command: ninjaCommand('release')),
+      cmakeCommand('release'),
+      ninjaCommand('release'),
     ]);
 
     await createTestCommandRunner(command).run(