For the build logs, demonstrate that /dev/null and /dev/tty exist:
crw-rw-rw-   1 root     sys        4,  2 Jul 30 00:09 /dev/null
crw-rw-rw-   1 bin      terminal   3,  0 Jul 27 14:21 /dev/tty
>>> /* work around NeXTstep bug */
>>> #define MKSH_BUILDSH 1
>>> #define MKSH__NO_SETEUGID 1
>>> #define MKSH_NO_SIGSETJMP 1
>>> #define _setjmp setjmp
>>> #define _longjmp longjmp
>>> #define USE_REALLOC_MALLOC 0
>>> #define MKSH_BROKEN_OFFSETOF 1
>>> #define MKSH_TYPEDEF_SSIZE_T int
>>> #define MKSH_USABLE_SIGNALFUNC signal
>>> #define MKSH_UNEMPLOYED 1
>>> #define MKSH_NOPROSPECTOFWORK 1
>>> #define MKSH__NO_SYMLINK 1
Hi from $MirOS: src/bin/mksh/Build.sh,v 1.780 2021/07/27 19:17:12 tg Exp $ on:
$ uname -a >&2
| scosysv scosysv 3.2 2 i386
$ uname -X >&2
| 
| System = scosysv
| Node = scosysv
| Release = 3.2v4.2
| KernelID = 93/04/28
| Machine = Pentium
| BusType = ISA
| Serial = SCOunix42
| Users = unlim
| OEM# = 0
| Origin# = 1
| NumCPU = 1
| 
Build.sh: Building the MirBSD Korn Shell R59 2021/06/29 on XENIX 3.2...
Build.sh: Scanning for functions... please ignore any errors.
... which compiler type seems to be used
$ cc -E -x2.3 -I.  -DMKSH_USE_AUTOCONF_H  -DMKSH_MAYBE_QUICK_C conftest.c |     sed -n '/^ *[ce]t *= */s/^ *\([ce]t\) *= */\1=/p' | tr -d \015 >x
[ ct="quickc"
[ et="unknown"
==> which compiler type seems to be used... quickc
... if the compiler works
$ cc -x2.3  -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> if the compiler works... yes
... if the compiler does not fail correctly
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _thiswillneverbedefinedIhope in file(s):
]  conftest.o(conftest.c)
==> if the compiler does not fail correctly... no
==> if this could be tcc... no (implied)
==> if to rely on compiler for string pooling... no
==> for __attribute__((__bounded__))... no (implied)
>>> #define HAVE_ATTRIBUTE_BOUNDED 0
==> for __attribute__((__format__))... no (implied)
>>> #define HAVE_ATTRIBUTE_FORMAT 0
==> for __attribute__((__noreturn__))... no (implied)
>>> #define HAVE_ATTRIBUTE_NORETURN 0
==> for __attribute__((__pure__))... no (implied)
>>> #define HAVE_ATTRIBUTE_PURE 0
==> for __attribute__((__unused__))... no (implied)
>>> #define HAVE_ATTRIBUTE_UNUSED 0
==> for __attribute__((__used__))... no (implied)
>>> #define HAVE_ATTRIBUTE_USED 0
... if a reduced-feature mksh is requested
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _thiswillneverbedefinedIhope in file(s):
]  conftest.o(conftest.c)
==> if a reduced-feature mksh is requested... no
... if invoking as sh should be handled specially
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _thiswillneverbedefinedIhope in file(s):
]  conftest.o(conftest.c)
==> if invoking as sh should be handled specially... no
... if mksh will be built without job control
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> if mksh will be built without job control... yes
... if mksh will be built without job signals
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> if mksh will be built without job signals... yes
... if the default UTF-8 mode is specified
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _thiswillneverbedefinedIhope in file(s):
]  conftest.o(conftest.c)
==> if the default UTF-8 mode is specified... no
==> if the default UTF-8 mode is disabled... no (implied)
... if the MidnightBSD 0.1 ash compatibility mode is requested
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _thiswillneverbedefinedIhope in file(s):
]  conftest.o(conftest.c)
==> if the MidnightBSD 0.1 ash compatibility mode is requested... no
... <sys/time.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/time.h>... yes
>>> #define HAVE_SYS_TIME_H 1
... <time.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <time.h>... yes
>>> #define HAVE_TIME_H 1
... whether <sys/time.h> and <time.h> can both be included
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> whether <sys/time.h> and <time.h> can both be included... yes
>>> #define HAVE_BOTH_TIME_H 1
... <sys/select.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/select.h>... yes
>>> #define HAVE_SYS_SELECT_H 1
... whether <sys/time.h> and <sys/select.h> can both be included
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] /usr/include/sys/select.h(41) : error C2011: 'timeval' : type type redefinition
==> whether <sys/time.h> and <sys/select.h> can both be included... no
>>> #define HAVE_SELECT_TIME_H 0
... <sys/bsdtypes.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(9) : fatal error C1024: cannot open include file 'sys/bsdtypes.h'
==> <sys/bsdtypes.h>... no
>>> #define HAVE_SYS_BSDTYPES_H 0
... <sys/file.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/file.h>... yes
>>> #define HAVE_SYS_FILE_H 1
... <sys/mkdev.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : fatal error C1024: cannot open include file 'sys/mkdev.h'
==> <sys/mkdev.h>... no
>>> #define HAVE_SYS_MKDEV_H 0
... <sys/mman.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : fatal error C1024: cannot open include file 'sys/mman.h'
==> <sys/mman.h>... no
>>> #define HAVE_SYS_MMAN_H 0
... <sys/param.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/param.h>... yes
>>> #define HAVE_SYS_PARAM_H 1
... <sys/ptem.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/ptem.h>... yes
>>> #define HAVE_SYS_PTEM_H 1
... <sys/resource.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/resource.h>... yes
>>> #define HAVE_SYS_RESOURCE_H 1
... <sys/sysmacros.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <sys/sysmacros.h>... yes
>>> #define HAVE_SYS_SYSMACROS_H 1
... <bstring.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(9) : fatal error C1024: cannot open include file 'bstring.h'
==> <bstring.h>... no
>>> #define HAVE_BSTRING_H 0
... <grp.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <grp.h>... yes
>>> #define HAVE_GRP_H 1
... <io.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(9) : fatal error C1024: cannot open include file 'io.h'
==> <io.h>... no
>>> #define HAVE_IO_H 0
... <libgen.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(9) : fatal error C1024: cannot open include file 'libgen.h'
==> <libgen.h>... no
>>> #define HAVE_LIBGEN_H 0
... <libutil.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : fatal error C1024: cannot open include file 'libutil.h'
==> <libutil.h>... no
>>> #define HAVE_LIBUTIL_H 0
... <paths.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(9) : fatal error C1024: cannot open include file 'paths.h'
==> <paths.h>... no
>>> #define HAVE_PATHS_H 0
... <stdint.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : fatal error C1024: cannot open include file 'stdint.h'
==> <stdint.h>... no
>>> #define HAVE_STDINT_H 0
... <strings.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <strings.h>... yes
>>> #define HAVE_STRINGS_H 1
==> <termios.h>... no (cached)
>>> #define HAVE_TERMIOS_H 0
... <ulimit.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <ulimit.h>... yes
>>> #define HAVE_ULIMIT_H 1
... <values.h>
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> <values.h>... yes
>>> #define HAVE_VALUES_H 1
... for large file support
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(13) : error C2118: negative subscript
==> for large file support... no
... ... with -D_FILE_OFFSET_BITS=64
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -D_FILE_OFFSET_BITS=64 -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(13) : error C2118: negative subscript
==> ... with -D_FILE_OFFSET_BITS=64... no
... ... with -D_LARGE_FILES=1
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -D_LARGE_FILES=1 -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(13) : error C2118: negative subscript
==> ... with -D_LARGE_FILES=1... no
... for standard 32-bit integer types
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2065: 'uint32_t' : undefined
] conftest.c(10) : error C2064: term does not evaluate to a function
] conftest.c(10) : error C2144: syntax error : missing ')' before type 'size_t'
==> for standard 32-bit integer types... no
>>> #define HAVE_CAN_INTTYPES 0
... for UCB 32-bit integer types
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2065: 'u_int32_t' : undefined
] conftest.c(10) : error C2064: term does not evaluate to a function
] conftest.c(10) : error C2144: syntax error : missing ')' before type 'size_t'
==> for UCB 32-bit integer types... no
>>> #define HAVE_CAN_UCBINTS 0
... for standard 8-bit integer type
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2065: 'uint8_t' : undefined
] conftest.c(10) : error C2064: term does not evaluate to a function
] conftest.c(10) : error C2144: syntax error : missing ')' before type 'size_t'
==> for standard 8-bit integer type... no
>>> #define HAVE_CAN_INT8TYPE 0
... for UCB 8-bit integer type
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2065: 'u_int8_t' : undefined
] conftest.c(10) : error C2064: term does not evaluate to a function
] conftest.c(10) : error C2144: syntax error : missing ')' before type 'size_t'
==> for UCB 8-bit integer type... no
>>> #define HAVE_CAN_UCBINT8 0
... sig_t
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(11) : error C2054: expected '(' to follow 'sig_t'
] conftest.c(11) : error C2061: syntax error : identifier 'foo'
==> sig_t... no
... sighandler_t
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(11) : error C2054: expected '(' to follow 'sighandler_t'
] conftest.c(11) : error C2061: syntax error : identifier 'foo'
==> sighandler_t... no
... __sighandler_t
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(11) : error C2054: expected '(' to follow '__sighandler_t'
] conftest.c(11) : error C2061: syntax error : identifier 'foo'
==> __sighandler_t... no
>>> #define sig_t nosig_t
>>> #define HAVE_SIG_T 0
... checking if the final link command may succeed
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H  -c conftest.c
conftest.c
cc -x2.3 -l2.3 -ldir -o a.out conftest.o  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
==> checking if the final link command may succeed... yes
... the sys_errlist[] array and sys_nerr
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> the sys_errlist[] array and sys_nerr... yes
==> the _sys_errlist[] array and _sys_nerr... no (implied)
>>> #define HAVE_SYS_ERRLIST 1
... the sys_signame[] array
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _sys_signame in file(s):
]  conftest.o(conftest.c)
==> the sys_signame[] array... no
... the _sys_signame[] array
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] __sys_signame in file(s):
]  conftest.o(conftest.c)
==> the _sys_signame[] array... no
>>> #define HAVE_SYS_SIGNAME 0
... the sys_siglist[] array
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _sys_siglist in file(s):
]  conftest.o(conftest.c)
==> the sys_siglist[] array... no
... the _sys_siglist[] array
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] __sys_siglist in file(s):
]  conftest.o(conftest.c)
==> the _sys_siglist[] array... no
>>> #define HAVE_SYS_SIGLIST 0
... flock
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(14) : error C2065: 'LOCK_EX' : undefined
] conftest.c(14) : error C2065: 'LOCK_UN' : undefined
==> flock... no
>>> #define HAVE_FLOCK 0
... whether we can lock files with fcntl
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> whether we can lock files with fcntl... yes
>>> #define HAVE_LOCK_FCNTL 1
... getrlimit and setrlimit
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _getrlimit in file(s):
]  conftest.o(conftest.c)
] _setrlimit in file(s):
]  conftest.o(conftest.c)
==> getrlimit and setrlimit... no
>>> #define HAVE_RLIMIT 0
==> rlim_t... no (implied)
>>> #define HAVE_RLIM_T 0
... getrusage
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _getrusage in file(s):
]  conftest.o(conftest.c)
==> getrusage... no
>>> #define HAVE_GETRUSAGE 0
... getsid
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _getsid in file(s):
]  conftest.o(conftest.c)
==> getsid... no
>>> #define HAVE_GETSID 0
... gettimeofday
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _gettimeofday in file(s):
]  conftest.o(conftest.c)
==> gettimeofday... no
>>> #define HAVE_GETTIMEOFDAY 0
... killpg
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _killpg in file(s):
]  conftest.o(conftest.c)
==> killpg... no
>>> #define HAVE_KILLPG 0
... memmove
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _memmove in file(s):
]  conftest.o(conftest.c)
==> memmove... no
>>> #define HAVE_MEMMOVE 0
... bcopy
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _bcopy in file(s):
]  conftest.o(conftest.c)
==> bcopy... no
>>> #define HAVE_BCOPY 0
==> if to use mknod(), makedev() and friends... no (cached)
>>> #define HAVE_MKNOD 0
... for mmap and munmap
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(18) : error C2065: 'PROT_READ' : undefined
] conftest.c(18) : error C2065: 'MAP_PRIVATE' : undefined
==> for mmap and munmap... no
>>> #define HAVE_MMAP 0
==> for ftruncate... no (implied)
>>> #define HAVE_FTRUNCATE 0
... nice
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> nice... yes
>>> #define HAVE_NICE 1
... rename
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _rename in file(s):
]  conftest.o(conftest.c)
==> rename... no
>>> #define HAVE_RENAME 0
... revoke
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _revoke in file(s):
]  conftest.o(conftest.c)
==> revoke... no
>>> #define HAVE_REVOKE 0
==> setlocale(LC_CTYPE, "")... no (cached)
>>> #define HAVE_SETLOCALE_CTYPE 0
==> nl_langinfo(CODESET)... no (implied)
>>> #define HAVE_LANGINFO_CODESET 0
... select
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> select... yes
>>> #define HAVE_SELECT 1
==> setresugid... no (cached)
>>> #define HAVE_SETRESUGID 0
==> setgroups... no (implied)
>>> #define HAVE_SETGROUPS 0
... sigaction
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _sigaction in file(s):
]  conftest.o(conftest.c)
==> sigaction... no
>>> #define HAVE_SIGACTION 0
==> strerror... no (implied)
>>> #define HAVE_STRERROR 0
... strsignal
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2109: subscript on nonarray
==> strsignal... no
>>> #define HAVE_STRSIGNAL 0
... strlcpy
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _strlcpy in file(s):
]  conftest.o(conftest.c)
==> strlcpy... no
>>> #define HAVE_STRLCPY 0
... strstr
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] 
] /bin/ld : error: Unresolved externals:
] 
] 
] 
] _strstr in file(s):
]  conftest.o(conftest.c)
==> strstr... no
>>> #define HAVE_STRSTR 0
==> for declaration of flock()... yes (implied)
>>> #define HAVE_FLOCK_DECL 1
==> for declaration of revoke()... yes (implied)
>>> #define HAVE_REVOKE_DECL 1
... for declaration of sys_errlist[] and sys_nerr
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
==> for declaration of sys_errlist[] and sys_nerr... yes
>>> #define HAVE_SYS_ERRLIST_DECL 1
==> for declaration of sys_siglist[]... no (implied)
>>> #define HAVE_SYS_SIGLIST_DECL 0
... for struct stat.st_mtimensec
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2039: 'st_mtimensec' : not struct member
==> for struct stat.st_mtimensec... no
... for struct stat.st_mtimespec.tv_nsec
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2039: 'st_mtimespec' : not struct member
==> for struct stat.st_mtimespec.tv_nsec... no
... for struct stat.st_mtim.tv_nsec
$ cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -l2.3 -ldir  conftest.c  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
] conftest.c
] conftest.c(10) : error C2039: 'st_mtim' : not struct member
==> for struct stat.st_mtim.tv_nsec... no
>>> #define HAVE_ST_MTIMENSEC 0
==> if to use persistent history... no
>>> #define HAVE_PERSISTENT_HISTORY 0
... checking if the C Preprocessor supports -dD
$ cc -E -x2.3 -I.  -DMKSH_USE_AUTOCONF_H  -dD conftest.c >x
] fatal error C1023: cannot open source file '-dD'
==> checking if the C Preprocessor supports -dD... no
... done.
No list of signal names available via cpp. Falling back...
NSIG=30 ... 
ABRT=6 
FPE=8 
ILL=4 
INT=2 
SEGV=11 
TERM=15 
ALRM=14 
BUS=10 
CHLD=18 
CONT=25 
HUP=1 
KILL=9 
PIPE=13 
QUIT=3 
STOP=23 
TSTP=24 
TTIN=26 
TTOU=27 
USR1=16 
USR2=17 
POLL=20 
PROF=29 
SYS=12 
TRAP=5 
VTALRM=28 
EMT=7 
PWR=19 
done.
>>> #define MKSH_BUILD_R 599
Build.sh: Finished configuration testing, now producing output.
+ Running genopt on 'rlimits.opt'...
+ Running genopt on 'sh_flags.opt'...
+ Running genopt on 'ulimits.opt'...
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c lalloc.c
lalloc.c
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c edit.c
edit.c
edit.c(277) : warning C4047: '=' : different levels of indirection
edit.c(279) : warning C4047: '=' : different levels of indirection
edit.c(280) : warning C4047: '=' : different levels of indirection
edit.c(419) : warning C4047: '=' : different levels of indirection
edit.c(431) : warning C4047: '=' : different levels of indirection
edit.c(503) : warning C4047: '=' : different levels of indirection
edit.c(562) : warning C4047: '=' : different levels of indirection
edit.c(796) : warning C4047: '=' : different levels of indirection
edit.c(2269) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(2444) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(2566) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(2905) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(2943) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(3877) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(4099) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(4850) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(4850) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(4958) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(5583) : warning C4061: long/short mismatch in argument : conversion supplied
edit.c(5668) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c eval.c
eval.c
eval.c(154) : warning C4047: '=' : different levels of indirection
eval.c(156) : warning C4047: '=' : different levels of indirection
eval.c(159) : warning C4047: '=' : different levels of indirection
eval.c(172) : warning C4047: '=' : different levels of indirection
eval.c(190) : warning C4047: '=' : different levels of indirection
eval.c(1079) : warning C4047: '=' : different levels of indirection
eval.c(1082) : warning C4047: '=' : different levels of indirection
eval.c(1095) : warning C4047: '=' : different levels of indirection
eval.c(1302) : warning C4047: '=' : different levels of indirection
eval.c(1307) : warning C4047: '=' : different levels of indirection
eval.c(1460) : warning C4047: '=' : different levels of indirection
eval.c(1464) : warning C4047: '=' : different levels of indirection
eval.c(1470) : warning C4047: '=' : different levels of indirection
eval.c(1715) : warning C4047: '=' : different levels of indirection
eval.c(1803) : warning C4047: '=' : different levels of indirection
eval.c(1862) : warning C4090: different 'const/volatile' qualifiers
eval.c(1862) : warning C4022: 'memcpy' : pointer mismatch : parameter 1
eval.c(1863) : warning C4090: different 'const/volatile' qualifiers
eval.c(1880) : warning C4028: parameter 1 declaration different
eval.c(1918) : warning C4090: different 'const/volatile' qualifiers
eval.c(1929) : warning C4090: different 'const/volatile' qualifiers
eval.c(1929) : warning C4022: 'afree' : pointer mismatch : parameter 1
eval.c(1950) : warning C4028: parameter 1 declaration different
eval.c(1993) : warning C4028: parameter 1 declaration different
eval.c(2006) : warning C4090: different 'const/volatile' qualifiers
eval.c(2012) : warning C4028: parameter 2 declaration different
eval.c(2012) : warning C4028: parameter 3 declaration different
eval.c(2012) : warning C4028: parameter 4 declaration different
eval.c(2050) : warning C4047: '=' : different levels of indirection
eval.c(1077) : warning C4061: long/short mismatch in argument : conversion supplied
eval.c(1171) : warning C4061: long/short mismatch in argument : conversion supplied
eval.c(1565) : warning C4061: long/short mismatch in argument : conversion supplied
eval.c(2048) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c exec.c
exec.c
exec.c(1707) : warning C4090: different 'const/volatile' qualifiers
exec.c(1707) : warning C4024: 'call_builtin' : different types : parameter 2
exec.c(760) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c expr.c
expr.c
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c funcs.c
funcs.c
funcs.c(430) : warning C4047: '=' : different levels of indirection
funcs.c(492) : warning C4047: '=' : different levels of indirection
funcs.c(504) : warning C4047: '=' : different levels of indirection
funcs.c(838) : warning C4090: different 'const/volatile' qualifiers
funcs.c(838) : warning C4024: 'c_unalias' : different types : parameter 1
funcs.c(2233) : warning C4090: different 'const/volatile' qualifiers
funcs.c(2233) : warning C4024: 'c_typeset' : different types : parameter 1
funcs.c(1185) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c histrap.c
histrap.c
histrap.c(333) : warning C4090: different 'const/volatile' qualifiers
histrap.c(356) : warning C4028: parameter 1 declaration different
histrap.c(1340) : warning C4090: different 'const/volatile' qualifiers
histrap.c(1429) : warning C4090: different 'const/volatile' qualifiers
histrap.c(1429) : warning C4022: 'afree' : pointer mismatch : parameter 1
histrap.c(252) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c jobs.c
jobs.c
jobs.c(309) : warning C4061: long/short mismatch in argument : conversion supplied
jobs.c(806) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c lex.c
lex.c
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c main.c
main.c
main.c(131) : warning C4056: overflow in constant arithmetic
main.c(255) : warning C4090: different 'const/volatile' qualifiers
main.c(437) : warning C4090: different 'const/volatile' qualifiers
main.c(704) : warning C4090: different 'const/volatile' qualifiers
main.c(704) : warning C4024: 'c_builtin' : different types : parameter 1
main.c(984) : warning C4061: long/short mismatch in argument : conversion supplied
main.c(989) : warning C4061: long/short mismatch in argument : conversion supplied
main.c(1291) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c misc.c
misc.c
misc.c(2656) : warning C4028: parameter 2 declaration different
misc.c(549) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c shf.c
shf.c
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c syn.c
syn.c
syn.c(277) : warning C4047: '=' : different levels of indirection
syn.c(278) : warning C4047: '=' : different levels of indirection
syn.c(330) : warning C4047: '=' : different levels of indirection
syn.c(332) : warning C4047: '=' : different levels of indirection
syn.c(349) : warning C4047: '=' : different levels of indirection
syn.c(350) : warning C4047: '=' : different levels of indirection
syn.c(351) : warning C4047: '=' : different levels of indirection
syn.c(352) : warning C4047: '=' : different levels of indirection
syn.c(353) : warning C4047: '=' : different levels of indirection
syn.c(357) : warning C4047: '=' : different levels of indirection
syn.c(414) : warning C4047: '=' : different levels of indirection
syn.c(415) : warning C4047: '=' : different levels of indirection
syn.c(416) : warning C4047: '=' : different levels of indirection
syn.c(519) : warning C4047: '=' : different levels of indirection
syn.c(521) : warning C4047: '=' : different levels of indirection
syn.c(631) : warning C4047: '=' : different levels of indirection
syn.c(651) : warning C4047: '=' : different levels of indirection
syn.c(654) : warning C4047: '=' : different levels of indirection
syn.c(754) : warning C4047: '=' : different levels of indirection
syn.c(763) : warning C4047: '=' : different levels of indirection
syn.c(766) : warning C4047: '=' : different levels of indirection
syn.c(1016) : warning C4047: '=' : different levels of indirection
syn.c(1031) : warning C4047: '=' : different levels of indirection
syn.c(94) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c tree.c
tree.c
tree.c(237) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c var.c
var.c
var.c(87) : warning C4090: different 'const/volatile' qualifiers
var.c(764) : warning C4090: different 'const/volatile' qualifiers
var.c(764) : warning C4022: 'rpl_bcopy' : pointer mismatch : parameter 2
var.c(765) : warning C4090: different 'const/volatile' qualifiers
var.c(765) : warning C4022: 'memcpy' : pointer mismatch : parameter 1
var.c(943) : warning C4090: different 'const/volatile' qualifiers
var.c(943) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1035) : warning C4090: different 'const/volatile' qualifiers
var.c(1035) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1058) : warning C4090: different 'const/volatile' qualifiers
var.c(1058) : warning C4022: 'aresize' : pointer mismatch : parameter 1
var.c(1059) : warning C4090: different 'const/volatile' qualifiers
var.c(1059) : warning C4022: 'memcpy' : pointer mismatch : parameter 1
var.c(1097) : warning C4090: different 'const/volatile' qualifiers
var.c(1097) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1106) : warning C4090: different 'const/volatile' qualifiers
var.c(1106) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1205) : warning C4047: '=' : different levels of indirection
var.c(1237) : warning C4047: '=' : different levels of indirection
var.c(1237) : warning C4090: different 'const/volatile' qualifiers
var.c(1242) : warning C4047: '=' : different levels of indirection
var.c(1398) : warning C4090: different 'const/volatile' qualifiers
var.c(1398) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1410) : warning C4090: different 'const/volatile' qualifiers
var.c(1410) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1533) : warning C4090: different 'const/volatile' qualifiers
var.c(1533) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(1546) : warning C4090: different 'const/volatile' qualifiers
var.c(1546) : warning C4022: 'afree' : pointer mismatch : parameter 1
var.c(549) : warning C4061: long/short mismatch in argument : conversion supplied
var.c(931) : warning C4061: long/short mismatch in argument : conversion supplied
var.c(1014) : warning C4061: long/short mismatch in argument : conversion supplied
var.c(2103) : warning C4061: long/short mismatch in argument : conversion supplied
var.c(2115) : warning C4061: long/short mismatch in argument : conversion supplied
var.c(2141) : warning C4061: long/short mismatch in argument : conversion supplied
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c strlcpy.c
strlcpy.c
cc -x2.3 -I.  -DMKSH_USE_AUTOCONF_H -c ulimit.c
ulimit.c
ulimit.c(134) : warning C4028: parameter 2 declaration different
cc -x2.3 -l2.3 -ldir -o mksh lalloc.o edit.o eval.o exec.o expr.o funcs.o histrap.o jobs.o lex.o main.o misc.o shf.o syn.o tree.o var.o strlcpy.o ulimit.o  || for _f in ${tcfn}*; do case $_f in *.1|*.faq|*.ico) ;; *) rm -f "$_f" ;; esac; done
size mksh
249212 + 23528 + 8024 = 280764 = 0x448bc

Installing the shell:
# install -c -s -o root -g bin -m 555 mksh /bin/mksh
# grep -x /bin/mksh /etc/shells >/dev/null || echo /bin/mksh >>/etc/shells
# install -c -o root -g bin -m 444 dot.mkshrc /usr/share/doc/mksh/examples/

Installing the manual:
# install -c -o root -g bin -m 444 lksh.1 mksh.1 /usr/share/man/man1/

Run the regression test suite: ./test.sh
Please also read the sample file dot.mkshrc and the fine manual.
Run FAQ2HTML.sh and place FAQ.htm into a suitable location as well.