dnl Process this file with autoconf to produce a configure script.
AC_INIT(./the.c)

dnl ---------------------- check for C compiler -----------------
dnl Checks for one of the C compilers below - change if yours not there.
CC_LIST="c89 acc gcc cc"
MH_PROG_CC

AC_CONFIG_HEADER(config.h)
AC_ISC_POSIX

dnl Checks for system first
AC_CANONICAL_SYSTEM
AC_PROG_GCC_TRADITIONAL


case "$target" in
	*hp-hpux*) 
		SYS_DEFS="-D_HPUX_SOURCE"
		;;
	*ibm-aix*)
		SYS_DEFS="-D_ALL_SOURCE"
		;;
	*dec-osf4*)
		AC_DEFINE(HAVE_BROKEN_SYS_ACL_H)
		;;
	*dec-osf*)
		;;
	*sequent-dynix*)
		;;
	*solaris*)
		;;
	sparc*sunos*)
		;;
	*linux*)
		;;
esac
AC_SUBST(SYS_DEFS)

dnl ---------------------- check for Curses argument -----------------
dnl allow --with-xcurses to link with XCurses
AC_ARG_WITH(xcurses,
	[  --with-xcurses          link with XCurses],
	[with_xcurses=$withval],
	[with_xcurses=no],
)
dnl allow --with-ncurses to link with ncurses
AC_ARG_WITH(ncurses,
	[  --with-ncurses          link with ncurses],
	[with_ncurses=$withval],
	[with_ncurses=no],
)
dnl allow --with-extcurses to link with AIX Extended curses
AC_ARG_WITH(extcurses,
	[  --with-extcurses        link with AIX Extended curses],
	[with_extcurses=$withval],
	[with_extcurses=no],
)
dnl allow --with-cursesincdir to specify where Curses header file is
AC_ARG_WITH(cursesincdir,
	[  --with-cursesincdir=DIR specify where curses header file is],
	[with_cursesincdir=$withval],
	[with_cursesincdir=no],
)
dnl allow --with-curseslibdir to specify where Curses library file is
AC_ARG_WITH(curseslibdir,
	[  --with-curseslibdir=DIR specify where curses library file is],
	[with_curseslibdir=$withval],
	[with_curseslibdir=no],
)

dnl ---------------------- check for REXX argument -----------------
dnl allow --with-regina to link with Regina
AC_ARG_WITH(regina,
	[  --with-regina           link with Regina],
	[with_regina=$withval],
	[with_regina=no],
)
dnl allow --with-rexximc to link with REXX/imc
AC_ARG_WITH(rexximc,
	[  --with-rexximc          link with REXX/imc],
	[with_rexximc=$withval],
	[with_rexximc=no],
)
dnl allow --with-rexx6000 to link with AIX REXX/6000
AC_ARG_WITH(rexx6000,
	[  --with-rexx6000         link with AIX REXX/6000],
	[with_rexx6000=$withval],
	[with_rexx6000=no],
)
dnl allow --with-orexx to link with IBM Object Rexx
AC_ARG_WITH(orexx,
	[  --with-orexx            link with IBM Object Rexx],
	[with_orexx=$withval],
	[with_orexx=no],
)
dnl allow --with-rexxincdir to specify where REXX header file is
AC_ARG_WITH(rexxincdir,
	[  --with-rexxincdir=DIR   specify where REXX header file is],
	[with_rexxincdir=$withval],
	[with_rexxincdir=no],
)
dnl allow --with-rexxlibdir to specify where REXX library file is
AC_ARG_WITH(rexxlibdir,
	[  --with-rexxlibdir=DIR   specify where REXX library file is],
	[with_rexxlibdir=$withval],
	[with_rexxlibdir=no],
)

dnl ---------------------- check packages -----------------------
dnl Check for X libraries if using XCurses
dnl
MH_XLIBS=""
MH_XINC_DIR=""
if test "$with_xcurses" = yes; then
	MH_CHECK_X_LIB
fi

MH_CHECK_CURSES
MH_CHECK_REXX

dnl --------------------- Check for other programs. ---------------
AC_PROG_LN_S
AC_PROG_MAKE_SET

MH_CHECK_LIB(dld m dl s)
if test "$with_regina" = yes; then
	MH_CHECK_LEX(fl l)
	MH_EXTRA_LIBS="${MH_EXTRA_LIBS} ${MHLEXLIB}"
fi
AC_SUBST(MH_EXTRA_LIBS)

dnl -------------------- Checks for header files. -----------------
AC_HEADER_STDC
AC_CHECK_HEADERS( \
	ctype.h \
	sys/types.h \
	sys/mode.h \
	sys/stat.h \
	sys/file.h \
	sys/wait.h \
	sys/acl.h \
	unistd.h \
	stdlib.h \
	memory.h \
	fcntl.h \
	string.h \
	stdarg.h \
	stat.h \
	dirent.h \
	time.h \
	linux/stat.h \
	)

MH_HAVE_PROTO

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

dnl Checks for library functions.
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
MH_FUNC_ACL_GET
AC_CHECK_FUNCS(rename getopt lstat readlink getacl chown)
if test "$ac_cv_func_getopt_func" = no; then
	MH_XTRA_OBJS="$MH_XTRA_OBJS getopt.o"
fi

MH_CHECK_CHTYPE
MH_CHECK_BROKEN_SYSVR4_CURSES
MH_CURSES_FUNCS

dnl --------------- allow --enable-debug to compile in debug mode --------
AC_ARG_ENABLE(debug,
	[  --enable-debug          turn on debugging],
	[with_debug=$enableval],
	[with_debug=no],
)
cflags_g="`echo $CFLAGS | grep -c '\-g'`"
cflags_O="`echo $CFLAGS | grep -c '\-O'`"

if test "$with_debug" = yes; then
	if test "$cflags_g" = "0"; then
		CFLAGS="${CFLAGS} -g"
	fi
	if test "$cflags_O" != "0"; then
		CFLAGS="`echo ${CFLAGS} | sed -e s/-O.//`"
	fi
else
	if test "$cflags_O" = "0"; then
		CFLAGS="${CFLAGS} -O"
	fi
	if test "$cflags_g" != "0"; then
		CFLAGS="`echo ${CFLAGS} | sed -e s/-g//`"
	fi
fi

dnl --------------- allow --enable-trace to log trace information --------
AC_ARG_ENABLE(trace,
	[  --enable-trace          turn on tracing],
	[with_trace=$enableval;AC_DEFINE(TRACE)],
	[with_trace=no]
)
if test "$with_trace" = yes; then
	MH_XTRA_OBJS="$MH_XTRA_OBJS trace.o"
fi
AC_SUBST(MH_XTRA_OBJS)

dnl --------------- allow --enable-purify to enable linking with Purify
AC_ARG_ENABLE(purify,
	[  --enable-purify         link with Purify (TM)],
	[with_purify=$enableval],
	[with_purify=no],
)
if test "$with_purify" = yes; then
	PURIFY="purify"
else
	PURIFY=""
fi
AC_SUBST(PURIFY)

dnl ---------------------- check for Xaw3d library -------------------
dnl allow --with-xaw3d to link with XCurses
AC_ARG_WITH(xaw3d,
	[  --with-xaw3d            link with Xaw3d],
	[with_xaw3d=$withval],
	[with_xaw3d=no],
)

dnl --------------- Force definition of pre-compiler macro UNIX ----------
AC_DEFINE(UNIX)

dnl --------------- Force definition of this build number ----------------
AC_DEFINE(BUILD2501)

dnl --------------- Find us an xterm if using XCurses --------------------
MH_FIND_XTERM

dnl --------------- Get us an install package ----------------------------
AC_PROG_INSTALL

thisdir="`pwd`"
AC_SUBST(thisdir)

AC_OUTPUT(Makefile)