MacOSX10.15.sdk fails to build

[alexeynikolayev]

MacBook:sshpass-1.06 user$ brew install hudochenkov/sshpass/sshpass
==> Tapping hudochenkov/sshpass
Cloning into '/usr/local/Homebrew/Library/Taps/hudochenkov/homebrew-sshpass'...
remote: Enumerating objects: 14, done.
remote: Total 14 (delta 0), reused 0 (delta 0), pack-reused 14
Unpacking objects: 100% (14/14), done.
Tapped 1 formula (39 files, 29KB).
==> Installing sshpass from hudochenkov/sshpass
==> Downloading https://downloads.sourceforge.net/project/sshpass/sshpass/1.06/sshpass-1.06.tar.gz
==> Downloading from https://deac-ams.dl.sourceforge.net/project/sshpass/sshpass/1.06/sshpass-1.06.tar.gz?viasf=1
######################################################################## 100.0%
==> ./configure --prefix=/usr/local/Cellar/sshpass/1.06
==> make install
Last 15 lines from /Users/user/Library/Logs/Homebrew/sshpass/02.make:
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:216:2: error: unknown type name 'uint64_t'
uint64_t ri_wired_size;
^
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:217:2: error: unknown type name 'uint64_t'
uint64_t ri_resident_size;
^
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:218:2: error: unknown type name 'uint64_t'
uint64_t ri_phys_footprint;
^
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:219:2: error: unknown type name 'uint64_t'
uint64_t ri_proc_start_abstime;
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
make: *** [main.o] Error 1

If reporting this issue please do so at (not Homebrew/brew or Homebrew/core):
https://github.com/hudochenkov/homebrew-sshpass/issues

These open issues may also help:
sshpass: add support to build trunk branch from svn #2