The modp_stdint.h is not installed on non-Windows systems. It just defines some standard storage names also available in stdint.h. Including it in the install seems nonsensical.
- Bug#841612: libmodpbase64-dev: modp_stdint.h is... Lennart Weller
- Bug#841612: libmodpbase64-dev: modp_stdint... Adrian Bunk
- Processed: Re: Bug#841612: libmodpbase... Debian Bug Tracking System