Preparing for auto-generation of signatures for src/library_wasm_worker.js

Split out from #19263

Author: sbc100

system/lib/wasm_worker/library_wasm_worker.c

@@ -43,7 +43,9 @@ emscripten_wasm_worker_t emscripten_create_wasm_worker(void *stackLowestAddress,
     // We expect TLS area to need to be at most 16 bytes aligned
 	assert(__builtin_wasm_tls_align() == 0 || 16 % __builtin_wasm_tls_align() == 0);
 
+#ifndef NDEBUG
 	uint32_t tlsSize = (__builtin_wasm_tls_size() + 15) & -16;
+#endif
 	assert(stackSize > tlsSize);
 
 	return _emscripten_create_wasm_worker(stackLowestAddress, stackSize);

tools/system_libs.py

@@ -1333,14 +1333,15 @@ def can_use(self):
 
 
 class libwasm_workers(MTLibrary):
+  name = 'libwasm_workers'
+  includes = ['system/lib/libc']
+
   def __init__(self, **kwargs):
     self.debug = kwargs.pop('debug')
     super().__init__(**kwargs)
 
-  name = 'libwasm_workers'
-
   def get_cflags(self):
-    cflags = get_base_cflags() + ['-D_DEBUG' if self.debug else '-Oz']
+    cflags = super().get_cflags() + ['-D_DEBUG' if self.debug else '-Oz']
     if self.debug:
       # library_wasm_worker.c contains an assert that a nonnull paramater
       # is no NULL, which llvm now warns is redundant/tautological.