Hanafi
The sources give no view for it here.
الإنفاق على اللقيط
هل يكون من أنفق على اللقيط متطوعًا لا يرجع بما أنفق؟
Each school’s answer
In our wordsHanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
مسألة: من أنفق على اللقيط، ولا مال له، فهو متطوع، وكذلك لو كان له مال فأنفق عليه ولا يعلم بماله. *** [كتاب النكاح]
«الإشراف», al-Qadi Abd al-Wahhab p. 684
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What is «in our words» is our standard wording; the books’ texts stay as they are.