error on unsupported features in fastcomp

1 files changed, 17 insertions, 0 deletions

diff --git a/emcc b/emcc
index 99bedd7f..726838af 100755
--- a/emcc
+++ b/emcc
@@ -1164,6 +1164,23 @@ try:
 
   if os.environ.get('EMCC_FAST_COMPILER'):
     shared.Settings.ASM_JS = 1
+    if shared.Settings.DISABLE_EXCEPTION_CATCHING == 0:
+      logging.warning('disabling exception catching since not supported in fastcomp yet')
+      shared.Settings.DISABLE_EXCEPTION_CATCHING = 1
+    assert shared.Settings.ALLOW_MEMORY_GROWTH == 0, 'memory growth not supported in fastcomp yet'
+    assert shared.Settings.UNALIGNED_MEMORY == 0, 'forced unaligned memory not supported in fastcomp'
+    assert shared.Settings.SAFE_HEAP == 0, 'safe heap not supported in fastcomp yet'
+    assert shared.Settings.CHECK_HEAP_ALIGN == 0, 'check heap align not supported in fastcomp yet'
+    assert shared.Settings.SAFE_DYNCALLS == 0, 'safe dyncalls not supported in fastcomp'
+    assert shared.Settings.RESERVED_FUNCTION_POINTERS == 0, 'reserved function pointers not supported in fastcomp'
+    assert shared.Settings.ASM_HEAP_LOG == 0, 'asm heap log not supported in fastcomp'
+    assert shared.Settings.LABEL_DEBUG == 0, 'label debug not supported in fastcomp'
+    assert shared.Settings.LEGACY_GL_EMULATION == 0, 'legacy gl emulation not supported in fastcomp'
+    assert shared.Settings.EXECUTION_TIMEOUT == -1, 'execution timeout not supported in fastcomp'
+    assert shared.Settings.NAMED_GLOBALS == 0, 'named globals not supported in fastcomp'
+    assert shared.Settings.PGO == 0, 'pgo not supported in fastcomp'
+    assert shared.Settings.TARGET_LE32 == 1, 'fastcomp requires le32'
+    assert not bind, 'embind not supported in fastcomp yet'
 
   if shared.Settings.ASM_JS:
     assert opt_level >= 1 or os.environ.get('EMCC_FAST_COMPILER'), 'asm.js requires -O1 or above'