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|
dnl
dnl This file, configure.in, which is a part of pdksh (the public domain ksh),
dnl is placed in the public domain. It comes with no licence, warranty
dnl or guarantee of any kind (i.e., at your own risk).
dnl
dnl
dnl
dnl Process this file with autoconf to produce a configure script
dnl
AC_INIT(c_ksh.c)
AC_CONFIG_HEADER(config.h)
dnl
dnl
dnl
dnl Set up command line options (--enable/--disable)
dnl
def_path_unix="/bin:/usr/bin:/usr/ucb"
def_path_os2="c:/usr/bin;c:/os2;/os2"
AC_ARG_ENABLE(path,
[ --enable-path=PaTh (NOTE: this value isn't used if confstr() and _CS_PATH
are available, or if <paths.h> defines _PATH_DEFPATH)
Use PaTh if PATH isn't specified in the environment
when the shell starts. A value without . in it is
safest.
The default value is \"/bin:/usr/bin:/usr/ucb\".],,
enable_path=default)
case $enable_path:$ksh_cv_os_type in
default:OS2_EMX) enable_path="$def_path_os2" ;;
default:*) enable_path="$def_path_unix" ;;
esac
case $enable_path in
\"*\") ;;
*)
enable_path="\"$enable_path\""
;;
esac
AC_DEFINE_UNQUOTED(DEFAULT_PATH, $enable_path)
dnl
dnl
dnl
dnl Specify what kind of shell we are to build. Options are ksh and sh.
dnl This must be before most other options, as it controls their default
dnl behaviour.
dnl
AC_ARG_ENABLE(shell,
[ --enable-shell={sh,ksh} Specify the kind of shell that is to be built (the
default is ksh). Specifiying sh compiles out:
command line editing (emacs/vi), history,
a bunch of aliases, [[ .. ]], select, let,
brace-expansion, extended globing (*(..|..), etc.),
co-processes, some special environment variables
(ie, MAIL, MAILCHECK, MAILPATH, RANDOM, SECONDS,
TMOUT).],,
enable_shell=ksh)
case $enable_shell in
ksh) AC_DEFINE(KSH) ;;
sh) ;;
*)
AC_MSG_ERROR(bad --enable-shell: must be one of sh or ksh)
esac
SHELL_PROG=$enable_shell
AC_SUBST(SHELL_PROG)
dnl
dnl
dnl
AC_ARG_ENABLE(emacs,
[ --disable-emacs Compile out emacs command line editing (by default,
this is compiled in for ksh, compiled out for sh).])
case $enable_emacs:$enable_shell in
yes:*|:ksh) enable_emacs=yes; AC_DEFINE(EMACS) ;;
no:*|:sh) enable_emacs=no;;
*) AC_MSG_ERROR(bad --enable-emacs argument)
esac
dnl
dnl
AC_ARG_ENABLE(vi,
[ --disable-vi Compile out vi command line editing (by default,
this is compiled in for ksh, compiled out for sh).])
case $enable_vi:$enable_shell in
yes:*|:ksh) enable_vi=yes; AC_DEFINE(VI) ;;
no:*|:sh) enable_vi=no;;
*) AC_MSG_ERROR(bad --enable-vi argument)
esac
dnl
dnl
AC_ARG_ENABLE(jobs,
[ --disable-jobs Compile out job control support. If your system
doesn't support job control, this will automatically
be compiled out.])
case $enable_jobs in
yes|'') enable_jobs=yes; AC_DEFINE(JOBS) ;;
no) enable_jobs=no;;
*) AC_MSG_ERROR(bad --enable-jobs argument)
esac
dnl
dnl
AC_ARG_ENABLE(brace-expand,
[ --disable-brace-expand Compile out brace expansion code (a{b,c} -> ab ac)
(by default, this is compiled in for ksh, compiled
out for sh). Brace expansion can also be disabled
at run time (see set +o braceexpand).])
case $enable_brace_expand:$enable_shell in
yes:*|:ksh) enable_brace_expand=yes; AC_DEFINE(BRACE_EXPAND) ;;
no:*|:sh) enable_brace_expand=no;;
*) AC_MSG_ERROR(bad --enable-brace-expand argument)
esac
dnl
dnl
AC_ARG_ENABLE(history,
[ --enable-history={no,simple,complex} By default, simple history is used for
ksh, no history is used for sh. \`simple' means
history file is read on start-up, written when shell
exists. \`complex' means history files are updated
after each command so concurrent shells read each
other's commands. Note: \`complex' history doesn't
work well across NFS; also, it requires the mmap()
and flock() functions - if these aren't available,
\`simple' history is automatically used.])
case $enable_history:$enable_shell in
simple:*|:ksh) enable_history=simple; ;;
complex:*) enable_history=complex; AC_DEFINE(COMPLEX_HISTORY) ;;
no:*|:sh)
case $enable_history:$enable_vi:$enable_emacs in
no:yes:*|no:*:yes)
AC_MSG_ERROR(can't disable history when vi or emacs is enabled) ;;
:yes:*|:*:yes)
enable_history=yes;;
*)
enable_history=no;;
esac
;;
*) AC_MSG_ERROR(bad --enable-history argument)
esac
test X"$enable_history" != Xno && AC_DEFINE(HISTORY)
dnl
dnl
AC_ARG_ENABLE(posixly_correct,
[ --enable-posixly-correct Enable if you want POSIX behavior by default
(otherwise, posix behavior is only turned on if the
environment variable POSIXLY_CORRECT is present or by
using \"set -o posix\"; it can be turned off with
\"set +o posix\"). See the POSIX Mode section in the
man page for details on what this option affects.
NOTE: posix mode is not compatable with some bourne
sh/at&t ksh scripts.])
case $enable_posixly_correct:$enable_shell in
yes:*) enable_posixly_correct=yes; AC_DEFINE(POSIXLY_CORRECT) ;;
no:*|:*) enable_posixly_correct=no;;
*) AC_MSG_ERROR(bad --enable-posixly_correct argument)
esac
dnl
dnl
AC_ARG_ENABLE(default-env,
[ --enable-default-env=FILE Include FILE if ENV parameter is not set when
the shell starts. This can be useful when used with
rsh(1), which creates a non-login shell (ie, profile
isn't read, so there is no opertunity to set ENV).
Setting ENV to null disables the inclusion of
DEFAULT_ENV. NOTE: This is a non-standard feature
(ie, at&t ksh has no default environment).],,
enable_default_env=no)
if test X"$enable_default_env" != Xno; then
# The [a-zA-Z]:/ is for os2 types...
case $enable_default_env in
/*|[[a-zA-Z]]:/*)
enable_default_env="\"$enable_default_env\""
;;
\"/*\"|\"[[a-zA-Z]]:/*\")
;;
*)
AC_MSG_ERROR(--enable-default-env argument must be an absolute path (was $enable_default_env))
;;
esac
AC_DEFINE_UNQUOTED(DEFAULT_ENV, $enable_default_env)
fi
dnl
dnl
dnl Don't want silly documented - its silly
AC_ARG_ENABLE(silly,[ --enable-silly [A silly option]])
case $enable_silly:$enable_shell in
yes:*) enable_silly=yes; AC_DEFINE(SILLY) ;;
no:*|:*) enable_silly=no;;
*) AC_MSG_ERROR(bad --enable-silly argument)
esac
dnl
dnl
dnl don't want swtch documented - its ancient and probably doesn't work
AC_ARG_ENABLE(swtch,
[ --enable-swtch For use with shell layers (shl(1)). This has not
been tested for some time.])
case $enable_swtch:$enable_shell in
yes:*) enable_swtch=yes; AC_DEFINE(SWTCH) ;;
no:*|:*) enable_swtch=no;;
*) AC_MSG_ERROR(bad --enable-swtch argument)
esac
dnl
dnl
dnl Start of auto-configuration stuff...
dnl
dnl
AC_PROG_CC
AC_PROG_CPP
AC_PROG_GCC_TRADITIONAL
dnl A hack to turn on warning messages for gcc - Warn-flags is not in
dnl the distribution since not everyone wants to see this stuff.
dnl (Warn-flags contains: -Wall)
if test X"$GCC" = Xyes && test -f $srcdir/Warn-flags; then
CFLAGS="${CFLAGS+$CFLAGS }`cat $srcdir/Warn-flags`"
fi
dnl
dnl If LDSTATIC set in environment, pass it on to the Makefile and use it when
dnl doing compile checks to ensure we are checking the right thing.
AC_SUBST(LDSTATIC)LDSTATIC=${LDSTATIC-}
test X"$LDSTATIC" != X && LDFLAGS="${LDFLAGS+$LDFLAGS }$LDSTATIC"
dnl
dnl Executable suffix - normally empty; .exe on os2.
AC_SUBST(ac_exe_suffix)dnl
dnl this incorperates AC_AIX, AC_ISC_POSIX and AC_MINIX tests and does others
KSH_OS_TYPE
dnl
AC_C_CROSS
dnl
dnl Program name munging stuff (prefix, suffix, transform)
AC_ARG_PROGRAM
dnl
dnl
dnl Headers
dnl
AC_HEADER_DIRENT
KSH_UNISTD_H
KSH_TERM_CHECK
AC_CHECK_HEADERS(stddef.h stdlib.h string.h memory.h fcntl.h limits.h paths.h \
sys/param.h sys/resource.h values.h ulimit.h sys/time.h)
AC_HEADER_TIME
KSH_HEADER_SYS_WAIT
dnl
dnl
dnl Typedefs
dnl
dnl (don't use AC_TYPE_XXX() 'cause it doesn't check word boundaries)
KSH_CHECK_H_TYPE(off_t, for off_t in sys/types.h, , long)
KSH_CHECK_H_TYPE(mode_t, for mode_t in sys/types.h, , short)
KSH_CHECK_H_TYPE(pid_t, for pid_t in sys/types.h, , int)
KSH_CHECK_H_TYPE(uid_t, for uid_t in sys/types.h, , int)
if test $ac_cv_type_uid_t = no; then
AC_DEFINE(gid_t, int)
fi
define([AC_PROVIDE_AC_TYPE_UID_T],)
AC_TYPE_SIGNAL
case $ac_cv_type_signal in
int) ksh_cv_signal_retval=0 ;;
void) ksh_cv_signal_retval= ;;
*)
AC_MSG_ERROR(Internal erorr: unknown signal return type: $ac_cv_type_signal)
esac
AC_DEFINE_UNQUOTED(RETSIGVAL, $ksh_cv_signal_retval)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
dnl sh.h sets INT32 to int or long as appropriate. Some burnt systems, such
dnl as NeXT's, clock_t is in sys/time.h (in non-posix mode).
KSH_CHECK_H_TYPE(clock_t, [[for clock_t in any of <sys/types.h>, <sys/times.h> and <sys/time.h>]],
[
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#include <sys/times.h>
], INT32)
KSH_CHECK_H_TYPE(sigset_t, for sigset_t in <sys/types.h> and <signal.h>,
[#include <signal.h>], unsigned)
KSH_RLIM_CHECK
dnl
dnl
dnl Library functions
dnl
KSH_MEMMOVE
KSH_MEMSET
AC_CHECK_FUNCS(confstr flock getwd killpg nice setrlimit strerror \
strcasecmp strstr sysconf tcsetpgrp ulimit waitpid wait3)
AC_CHECK_FUNCS(sigsetjmp _setjmp, break)
AC_FUNC_MMAP
KSH_FUNC_LSTAT
KSH_SYS_ERRLIST
KSH_SYS_SIGLIST
KSH_TIME_DECLARED
KSH_TIMES_CHECK
dnl
dnl
dnl Structures
dnl
AC_HEADER_STAT
AC_STRUCT_ST_RDEV
dnl
dnl
dnl Compiler characteristics
dnl
AC_C_CONST
KSH_C_VOID
KSH_C_VOLATILE
KSH_C_PROTOTYPES
KSH_C_FUNC_ATTR
dnl
dnl
dnl System services
dnl
AC_SYS_INTERPRETER
if test $ac_cv_sys_interpreter = no;
then AC_DEFINE(SHARPBANG)
fi
AC_PROG_INSTALL
dnl
dnl
dnl Misc ksh tests
dnl
KSH_DUP2_CLEXEC_CHECK
KSH_SIGNAL_CHECK
KSH_PGRP_CHECK
KSH_PGRP_SYNC
KSH_OPENDIR_CHECK
KSH_DEV_FD
dnl
dnl
dnl Take replace value of LDSTATIC in LDFLAGS with reference to make variable
if test X"$LDSTATIC" != X; then
LDFLAGS=`echo -- "$LDFLAGS" | sed -e 's/^-- //' -e 's?$LDSTATIC?\$(LDSTATIC)?'`
fi
dnl
AC_OUTPUT(Makefile)
|
