--with-build-environment=model
The build environment to use. Normally one of
POSIX_V6_ILP32_OFF32 32 bits
POSIX_V6_ILP32_OFFBIG 32 bits with large file support
POSIX_V6_LP64_OFF64 64 bits
POSIX_V6_LPBIG_OFFBIG large pointers and files
XBS5_ILP32_OFF32 32 bits (legacy)
XBS5_ILP32_OFFBIG 32 bits with large file support (legacy)
XBS5_LP64_OFF64 64 bits (legacy)
XBS5_LPBIG_OFFBIG large pointers and files (legacy)
default The default for your OS