It depends on your definition of small files. A few hundred kB to a few megabytes will make compilation speed and memory usage explode if you embed it as text,

It depends on your definition of small files. A few hundred kB to a few megabytes will make compilation speed and memory usage explode if you embed it as text, see section 3.2 in https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3017.htm#intro https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3017.htm#i...