diff --git a/.arcconfig b/.arcconfig
--- a/.arcconfig
+++ b/.arcconfig
@@ -6,5 +6,6 @@
   "git:arc.feature.start.default" : "origin/master",
   "arc.feature.start.default" : "master",
   "history.immutable" : false,
-  "load" : ["arcanist"]
+  "load" : ["arcanist"],
+  "build_directory": "build-cmake"
 }
diff --git a/arcanist/.phutil_module_cache b/arcanist/.phutil_module_cache
--- a/arcanist/.phutil_module_cache
+++ b/arcanist/.phutil_module_cache
@@ -1 +1 @@
-{"__symbol_cache_version__":11,"d60c8224f471e0ecddc2a6f3c6839cd1":{"have":{"class":{"AutoPEP8FormatLinter":75}},"need":{"function":{"pht":297,"id":1317},"class":{"ArcanistExternalLinter":104,"ArcanistLintMessage":1324,"Filesystem":1168,"ArcanistLinter":1431,"ArcanistLintSeverity":1509}},"xmap":{"AutoPEP8FormatLinter":["ArcanistExternalLinter"]}},"213c3145da34ed6dfc0d70d628a2a086":{"have":{"class":{"CheckDocLinter":106}},"need":{"function":{"pht":323,"id":1868},"class":{"ArcanistExternalLinter":129,"ArcanistLintMessage":1875,"Filesystem":737,"ArcanistLinter":1923,"ArcanistLintSeverity":2009}},"xmap":{"CheckDocLinter":["ArcanistExternalLinter"]}},"7bab1f879b8a86dd9977b8c0d075935f":{"have":{"class":{"ClangFormatLinter":79}},"need":{"function":{"pht":302,"execx":787,"id":1664},"class":{"ArcanistExternalLinter":105,"ArcanistLintMessage":1671,"Filesystem":1515,"ArcanistLinter":1778,"ArcanistLintSeverity":1856}},"xmap":{"ClangFormatLinter":["ArcanistExternalLinter"]}},"ea2beb1668dfbdd87488f18fbb20178f":{"have":{"class":{"TestsLinter":103}},"need":{"function":{"pht":318,"id":2676},"class":{"ArcanistExternalLinter":123,"ArcanistLintMessage":2683,"Filesystem":791,"ArcanistLinter":2731,"ArcanistLintSeverity":2839}},"xmap":{"TestsLinter":["ArcanistExternalLinter"]}},"d8eaa2e7c86750dc3ee35036b5fd8bfc":{"have":{"class":{"LocaleDependenceLinter":137}},"need":{"function":{"pht":375,"id":2052},"class":{"ArcanistExternalLinter":168,"ArcanistLintMessage":2059,"Filesystem":816,"ArcanistLinter":2107,"ArcanistLintSeverity":2227}},"xmap":{"LocaleDependenceLinter":["ArcanistExternalLinter"]}},"e3132d407656d565ce80d359f4f0fe5f":{"have":{"class":{"PythonFormatLinter":124}},"need":{"function":{"pht":354,"id":1845},"class":{"ArcanistExternalLinter":151,"ArcanistLintMessage":1852,"Filesystem":777,"ArcanistLinter":1977,"ArcanistLintSeverity":2060}},"xmap":{"PythonFormatLinter":["ArcanistExternalLinter"]}}}
\ No newline at end of file
+{"__symbol_cache_version__":11,"90a8b110dc475955f15bb81d37268cb5":{"have":{"class":{"AutoPEP8FormatLinter":75}},"need":{"function":{"pht":297,"execx":769,"id":1903},"class":{"ArcanistExternalLinter":104,"ArcanistLintMessage":1910,"Filesystem":1754,"ArcanistLinter":2017,"ArcanistLintSeverity":2095}},"xmap":{"AutoPEP8FormatLinter":["ArcanistExternalLinter"]}},"bf0805c02029a7226e8c0d7dee039b3c":{"have":{"class":{"CheckDocLinter":106}},"need":{"function":{"pht":323,"id":1847},"class":{"ArcanistExternalLinter":129,"ArcanistLintMessage":1854,"Filesystem":731,"ArcanistLinter":1902,"ArcanistLintSeverity":1988}},"xmap":{"CheckDocLinter":["ArcanistExternalLinter"]}},"6af7410cfea496ff1d4dcc2624b6b8ea":{"have":{"class":{"ClangFormatLinter":79}},"need":{"function":{"pht":302,"execx":781,"id":1653},"class":{"ArcanistExternalLinter":105,"ArcanistLintMessage":1660,"Filesystem":1504,"ArcanistLinter":1767,"ArcanistLintSeverity":1845}},"xmap":{"ClangFormatLinter":["ArcanistExternalLinter"]}},"c8d28781ae8aa129cc38d505095f7f45":{"have":{"class":{"LocaleDependenceLinter":155}},"need":{"function":{"pht":579,"id":3348},"class":{"ArcanistExternalLinter":186,"ArcanistLintMessage":3355,"Filesystem":1035,"ArcanistLinter":3405,"ArcanistLintSeverity":3564}},"xmap":{"LocaleDependenceLinter":["ArcanistExternalLinter"]}},"6f2f22dd0f259fb2eaa284b4fab3bc29":{"have":{"class":{"PythonFormatLinter":123}},"need":{"function":{"pht":353,"id":1838},"class":{"ArcanistExternalLinter":150,"ArcanistLintMessage":1845,"Filesystem":776,"ArcanistLinter":1970,"ArcanistLintSeverity":2053}},"xmap":{"PythonFormatLinter":["ArcanistExternalLinter"]}},"25781df78f6eebfb223296b8265e9d19":{"have":{"class":{"TestsLinter":103}},"need":{"function":{"pht":318,"id":2629},"class":{"ArcanistExternalLinter":123,"ArcanistLintMessage":2636,"Filesystem":776,"ArcanistLinter":2684,"ArcanistLintSeverity":2792}},"xmap":{"TestsLinter":["ArcanistExternalLinter"]}},"74ec116ee9ddb8d1b9e1ac3568d523ab":{"have":{"class":{"ArcanistBuildWorkflow":48}},"need":{"function":{"phutil_console_format":320,"pht":775},"class":{"ArcanistWorkflow":78,"ExecFuture":3740,"PhutilConsole":1585,"Filesystem":2718},"class\/interface":{"FilesystemException":2876}},"xmap":{"ArcanistBuildWorkflow":["ArcanistWorkflow"]}}}
\ No newline at end of file
diff --git a/arcanist/__phutil_library_map__.php b/arcanist/__phutil_library_map__.php
--- a/arcanist/__phutil_library_map__.php
+++ b/arcanist/__phutil_library_map__.php
@@ -9,6 +9,7 @@
 phutil_register_library_map(array(
   '__library_version__' => 2,
   'class' => array(
+    'ArcanistBuildWorkflow' => 'workflow/ArcanistBuildWorkflow.php',
     'AutoPEP8FormatLinter' => 'linter/AutoPEP8Linter.php',
     'CheckDocLinter' => 'linter/CheckDocLinter.php',
     'ClangFormatLinter' => 'linter/ClangFormatLinter.php',
@@ -18,6 +19,7 @@
   ),
   'function' => array(),
   'xmap' => array(
+    'ArcanistBuildWorkflow' => 'ArcanistWorkflow',
     'AutoPEP8FormatLinter' => 'ArcanistExternalLinter',
     'CheckDocLinter' => 'ArcanistExternalLinter',
     'ClangFormatLinter' => 'ArcanistExternalLinter',
diff --git a/arcanist/workflow/ArcanistBuildWorkflow.php b/arcanist/workflow/ArcanistBuildWorkflow.php
new file mode 100644
--- /dev/null
+++ b/arcanist/workflow/ArcanistBuildWorkflow.php
@@ -0,0 +1,171 @@
+<?php
+
+/**
+ * Build the project
+ */
+final class ArcanistBuildWorkflow extends ArcanistWorkflow {
+
+  const RESULT_OKAY = 0;
+  const RESULT_WARNINGS = 1;
+  const RESULT_ERRORS = 2;
+  const RESULT_SKIP = 3;
+
+  public function getWorkflowName() {
+    return 'build';
+  }
+
+  public function getCommandSynopses() {
+    return phutil_console_format(<<<EOTEXT
+      **build** [__options__] [__targets__]
+EOTEXT
+    );
+  }
+
+  public function getCommandHelp() {
+    return phutil_console_format(<<<EOTEXT
+      Build the bitcoin-abc project using CMake and Ninja.
+      You can specify the Ninja targets by passing them to __targets__.
+      Requires: cmake, ninja
+EOTEXT
+    );
+  }
+
+  public function getArguments() {
+    return array(
+      'clear-cache' => array(
+        'help' => pht('Clear the CMake cache before running the build.'),
+      ),
+      'dir' => array(
+        'param' => 'build directory',
+        'help' => pht('Set the build directory. It will be created if it does '.
+          'not exist. It defaults to the build directory configured using the '.
+          '`build_directory` option in your configuration file.'),
+      ),
+      'post-clean' => array(
+        'help' => pht('Delete all files and the build directory if the build '.
+          'is successful.'),
+      ),
+      '*' => 'targets',
+    );
+  }
+
+  public function requiresWorkingCopy() {
+    return true;
+  }
+
+  private function setSuccess($duration) {
+    $out = phutil_console_format(
+      "**<bg:green> %s </bg>** %s (%.3f s)\n",
+      pht('OKAY'),
+      pht('Build is successful'),
+      $duration);
+
+    PhutilConsole::getConsole()->writeOut($out);
+
+    return self::RESULT_OKAY;
+  }
+
+  private function setFailure($failureReason) {
+    $out = phutil_console_format(
+      "**<bg:red> %s </bg>** %s\n",
+      pht('FAILED'),
+      pht($failureReason));
+
+    PhutilConsole::getConsole()->writeOut($out);
+
+    return self::RESULT_ERRORS;
+  }
+
+  public function run() {
+    $root = $this->getWorkingCopy()->getProjectRoot();
+
+    /*
+     * Create the build directory if it doesn't exist.
+     * The build directory can be specified on the command line using the --dir
+     * option. If not specified, the build directory is read from the
+     * configuration option `build_directory`.
+     */
+    $buildDir = $this->getArgument('dir',
+      $this->getConfigurationManager()->getConfigFromAnySource(
+        'build_directory'));
+    if (!$buildDir) {
+      return $this->setFailure(
+        'No build directory is configured. Set the `build_directory` option '.
+        'in you configuration file and run `arc build` again, or select the '.
+        'build directory by using the `--dir` argument on the command line.');
+    }
+    $buildDir = Filesystem::resolvePath($buildDir, $root);
+
+    try {
+      $buildDir = Filesystem::createDirectory($buildDir, 0755,
+        $recursive = true);
+    } catch (FilesystemException $e) {
+      var_dump($e);
+      return $this->setFailure(
+        'Unable to create the build directory: '.$buildDir.'. '.
+        'Check the permissions and run `arc build` again.');
+    }
+
+    /* Clear the CMake cache if requested */
+    if ($this->getArgument('clear-cache')) {
+      /* Delete the CMakeCache.txt file */
+      $cacheFile = Filesystem::resolvePath('CMakeCache.txt', $buildDir);
+      if (file_exists($cacheFile)) {
+        try {
+          Filesystem::remove($cacheFile);
+        } catch (FilesystemException $e) {
+          return $this->setFailure(
+            'Unable to remove the '.$buildDir.'/CMakeCache.txt file. '.
+            'Check the permissions and run `arc build --clear-cache` again.');
+        }
+      }
+    }
+
+    $timeStart = microtime(true);
+
+    /* Run CMake from the build repository */
+    $future = new ExecFuture('cmake -GNinja '.$root);
+    $future->setCWD($buildDir);
+    list($ret) = $future->resolve();
+
+    if ($ret != 0) {
+      return $this->setFailure(
+        'CMake failed with error '.strval($ret));
+    }
+
+    /*
+     * Run Ninja from the build directory.
+     * If "targets" arguments are specified, pass them to Ninja, otherwise do
+     * not speficy any target and let Ninja build the default.
+     */
+    $targets = $this->getArgument('targets');
+    $cmd = 'ninja';
+    foreach ($targets as $_) {
+      $cmd .= ' %s';
+    }
+
+    $future = new ExecFuture($cmd, ...$targets);
+    $future->setCWD($buildDir);
+    list($ret) = $future->resolve();
+
+    $timeEnd = microtime(true);
+
+    if ($ret != 0) {
+      return $this->setFailure(
+        'Ninja failed with error '.strval($ret));
+    }
+
+    /* Remove the build directory if requested. */
+    if ($this->getArgument('post-clean')) {
+      try {
+        Filesystem::remove($buildDir);
+      } catch (FilesystemException $e) {
+        return $this->setFailure(
+          'Unable to delete the build directory: '.$buildDir.'. '.
+          'Check the permissions and run `arc build --post-clean` again.');
+      }
+    }
+
+    return $this->setSuccess($timeEnd - $timeStart);
+  }
+}