gjs mostly uses the portable, C99 standard uint32_t type.

However, one place in coverage.cpp, u_int32_t is used, which works on Linux,
but causes build failures on Solaris:

gjs-1.43.3/gjs/coverage.cpp: In function 'gboolean get_array_from_js_value(JSContext*, jsval*, std::size_t, GDestroyNotify, ConvertAndInsertJSVal, GArray**)':
gjs-1.43.3/gjs/coverage.cpp:488:5: error: 'u_int32_t' was not declared in this scope
     u_int32_t js_array_len;
     ^
gjs-1.43.3/gjs/coverage.cpp:493:47: error: 'js_array_len' was not declared in this scope
     if (JS_GetArrayLength(context, js_array, &js_array_len)) {
                                               ^
gjs-1.43.3/gjs/coverage.cpp:494:19: error: expected ';' before 'i'
         u_int32_t i = 0;
                   ^
gjs-1.43.3/gjs/coverage.cpp:495:16: error: 'i' was not declared in this scope
         for (; i < js_array_len; ++i) {
                ^