I'm trying to use Module.cwrap inside a new shell html file I'm calling
new_shell.html.
Inside this shell I added the following after the {{{ SCRIPT }}} line:
<script type='text/javascript'>
console.log("before cwrap");
var test = Module.cwrap('test', 'undefined');
console.log("after cwrap");
test();
</script>
I have a pretty simple shell.c file:
#include <emscripten.h>
#include <stdlib.h>
int main() {
printf("hello world\n");
}
void test() {
printf("button test\n");
}
I've tried several variations on emcc, but always get the same error that
says that Module.cwrap is not a function. Here's what I ran the most
recent time that resulted in the Module.cwrap is not a function error:
emcc shell.c -o shell-test.html --emrun --shell-file new_shell.html -s
NO_EXIT_RUNTIME=1 -s EXPORTED_FUNCTIONS="['_test', '_main']" -s
EXTRA_EXPORTED_RUNTIME_METHODS="['cwrap', 'ccall']"
I've seen posts that recommended changes to the quotes around
EXTRA_EXPORTED_RUNTIME_METHODS, and I've tried many variations but nothing
seems to work.
Looking through the javascript file this generated "shell-test.js" it looks
to me like as long as my script runs after this file is included the
Module.cwrap should be there. There is a line in that file:
Module["cwrap"] = cwrap;
I would think that this would set the cwrap function and that it would be
available immediately after the shell-test.js is loaded, but that doesn't
seem to be the case.
When does cwrap become available for use?
Thanks
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