configure.in:
  updates for --with-other-libc
heap/Makefile.am:
  --with-other-libc
libmysql/Makefile.shared:
  --with-other-libc
mysys/Makefile.am:
  --with-other-libc
regex/Makefile.am:
  --with-other-libc
sql/Makefile.am:
  --with-other-libc
strings/Makefile.am:
  --with-other-libc