Explicitly set bulk memory clang flag

Author: dschuff

emcc.py

@@ -35,7 +35,7 @@
 from subprocess import PIPE
 
 
-from tools import shared, system_libs, utils, ports
+from tools import shared, system_libs, utils, ports, feature_matrix
 from tools import colored_logger, diagnostics, building
 from tools.shared import unsuffixed, unsuffixed_basename, get_file_suffix
 from tools.shared import run_process, exit_with_error, DEBUG
@@ -853,6 +853,14 @@ def phase_setup(options, state, newargs):
   if settings.SHARED_MEMORY:
     settings.BULK_MEMORY = 1
 
+  if '-mbulk-memory' not in newargs and '-mno-bulk-memory' not in newargs:
+    print('newargs bulk')
+    if feature_matrix.caniuse(feature_matrix.Feature.BULK_MEMORY):
+      newargs += ['-mbulk-memory']
+      settings.BULK_MEMORY = 1
+    else:
+      newargs += ['-mno-bulk-memory']
+
   if 'DISABLE_EXCEPTION_CATCHING' in user_settings and 'EXCEPTION_CATCHING_ALLOWED' in user_settings:
     # If we get here then the user specified both DISABLE_EXCEPTION_CATCHING and EXCEPTION_CATCHING_ALLOWED
     # on the command line.  This is no longer valid so report either an error or a warning (for

tools/settings.py

@@ -96,6 +96,10 @@
     'WASM_OBJECT_FILES',
     'WASM_WORKERS',
     'BULK_MEMORY',
+    'MIN_SAFARI_VERSION',
+    'MIN_CHROME_VERSION',
+    'MIN_FIREFOX_VERSION',
+    'MIN_NODE_VERSION',
 
     # Internal settings used during compilation
     'EXCEPTION_CATCHING_ALLOWED',