dnl Process this file with autoconf to produce a configure script.
AC_INIT(mutt.h)
AC_CONFIG_HEADER(config.h)
VERSION=0.93.1
SUBVERSION=''

AC_CANONICAL_HOST

AC_MSG_CHECKING(for prefix)
if test x$prefix = xNONE; then
	mutt_cv_prefix=$ac_default_prefix
else
	mutt_cv_prefix=$prefix
fi
AC_MSG_RESULT($mutt_cv_prefix)

AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_INSTALL

case "$host" in
*-*-hpux*)
	if test -z "$GCC" ; then
		CFLAGS="$CFLAGS -Ae -D_HPUX_SOURCE"
	fi
	;;
esac

AC_PATH_PROG(SENDMAIL, sendmail, no, `echo $PATH | sed "s/:/ /"` /usr/sbin /usr/lib)
AC_DEFINE_UNQUOTED(SENDMAIL, "$ac_cv_path_SENDMAIL")

OPS='$(srcdir)/OPS'
if test -f $srcdir/pgp.c; then
	SUBVERSION=i
	PGPPATH=no
	
	AC_PATH_PROG(GPG, gpg, no)
	if test $GPG != no ; then
		AC_DEFINE_UNQUOTED(_PGPGPGPATH, "$GPG")
		PGPPATH="$GPG"
		AC_DEFINE(HAVE_GPG)
	fi
	
	AC_PATH_PROG(PGPK, pgpk, no)
	if test $PGPK != no ; then
		PGPK=`echo $PGPK | sed 's,.$,,'`
		AC_DEFINE_UNQUOTED(_PGPV3PATH, "$PGPK")
		PGPPATH="$PGPK"
		AC_DEFINE(HAVE_PGP5)
	fi

	AC_PATH_PROG(PGP, pgp, no)
	if test $PGP != no ; then
		AC_DEFINE_UNQUOTED(_PGPV2PATH, "$PGP")
		PGPPATH="$PGP"
		AC_DEFINE(HAVE_PGP2)
	fi

	if test $PGPPATH != no ; then
		AC_DEFINE_UNQUOTED(_PGPPATH, "$PGPPATH")
	fi

	if test $PGP != no || test $PGPK != no ; then
		LIBOBJS="$LIBOBJS pgp.o pgpinvoke.o pgpkey.o pgppubring.o sha1dgst.o gnupgparse.o"
		OPS="$OPS \$(srcdir)/OPS.PGP"
	fi
fi
AC_SUBST(OPS)

AC_DEFINE_UNQUOTED(VERSION, "$VERSION$SUBVERSION")
AC_SUBST(VERSION)

AC_PATH_PROG(ISPELL, ispell, no)
if test $ISPELL != no; then
	AC_DEFINE_UNQUOTED(ISPELL, "$ISPELL")
fi

AC_ARG_WITH(slang, [  --with-slang[=DIR]         use S-Lang instead of ncurses],
	[AC_CACHE_CHECK([if -ltermlib is required], mutt_cv_bsdish,
		AC_TRY_RUN([#include <sys/param.h>

main ()
{
#ifdef BSD
	exit (0);
#else
	exit (1);
#endif
}],
			[mutt_cv_bsdish=yes],
			[mutt_cv_bsdish=no]))
	
	AC_MSG_CHECKING(for S-Lang)
	if test $withval = yes; then
		if test -d $srcdir/../slang; then
			mutt_cv_slang=$srcdir/../slang/src
			CPPFLAGS="$CPPFLAGS -I${mutt_cv_slang}"
			LDFLAGS="$LDFLAGS -L${mutt_cv_slang}/objs"
		else
			if test -d $mutt_cv_prefix/include/slang; then
				CPPFLAGS="$CPPFLAGS -I$mutt_cv_prefix/include/slang"
			elif test -d /usr/include/slang; then
				CPPFLAGS="$CPPFLAGS -I/usr/include/slang"
			fi
			mutt_cv_slang=yes
		fi
	else
		dnl ---Check to see if $withval is a source directory
		if test -f $withval/src/slang.h; then
			mutt_cv_slang=$withval/src
			CPPFLAGS="$CPPFLAGS -I${mutt_cv_slang}"
			LDFLAGS="$LDFLAGS -L${mutt_cv_slang}/objs"
		else
			dnl ---Must be installed somewhere
			mutt_cv_slang=$withval
			if test -d $withval/include/slang; then
				CPPFLAGS="$CPPFLAGS -I${withval}/include/slang"
			elif test -d $withval/include; then
				CPPFLAGS="$CPPFLAGS -I${withval}/include"
			fi
			LDFLAGS="$LDFLAGS -L${withval}/lib"
		fi
	fi
	AC_MSG_RESULT($mutt_cv_slang)
	LIBS="$LIBS -lslang -lm"
	if test $mutt_cv_bsdish = yes; then
		LIBS="$LIBS -ltermlib"
	fi
	AC_DEFINE(USE_SLANG_CURSES)
	AC_DEFINE(HAVE_COLOR)
	LIBOBJS="$LIBOBJS resize.o"
	
	dnl --- try to link a sample program to check if we're ok
	
	AC_MSG_CHECKING(if I can compile a test SLang program)
	AC_TRY_LINK([], [SLtt_get_terminfo ();],
		[AC_MSG_RESULT(yes)],
		[AC_MSG_ERROR(unable to compile.  check config.log)])

	],

	[mutt_cv_curses=/usr
	AC_ARG_WITH(curses, [  --with-curses=DIR          ncurses is installed in ],
		[if test $withval != yes; then
			mutt_cv_curses=$withval
		fi
		if test x$mutt_cv_curses != x/usr; then
			LDFLAGS="-L${mutt_cv_curses}/lib $LDFLAGS"
			CPPFLAGS="$CPPFLAGS -I${mutt_cv_curses}/include"
		fi])

	AC_CHECK_LIB(ncurses, initscr,

		[LIBS="$LIBS -lncurses"
		if test x$mutt_cv_curses = x/usr -a -d /usr/include/ncurses; then
			CPPFLAGS="$CPPFLAGS -I/usr/include/ncurses"
		fi
		AC_CHECK_HEADERS(ncurses.h)],

		[LIBS="$LIBS -lcurses"
		if test -f /usr/ccs/lib/libcurses.a; then
				LDFLAGS="$LDFLAGS -L/usr/ccs/lib"
		else
			if test -f /usr/5lib/libcurses.a; then
				LDFLAGS="$LDFLAGS -L/usr/5lib"
				CPPFLAGS="$CPPFLAGS -I/usr/5include"
			fi
		fi])

	AC_CHECK_FUNC(start_color, [AC_DEFINE(HAVE_COLOR)])
	AC_CHECK_FUNCS(typeahead bkgdset curs_set meta use_default_colors)
	AC_CHECK_FUNCS(resizeterm, [LIBOBJS="$LIBOBJS resize.o"])
	])

AC_HEADER_STDC

AC_CHECK_HEADERS(stdarg.h sys/ioctl.h)

AC_TYPE_SIGNAL

AC_DECL_SYS_SIGLIST

dnl need this for DEC alpha
AC_CHECK_SIZEOF(long)

AC_TYPE_PID_T

AC_CHECK_FUNCS(setegid srand48 strerror)

AC_REPLACE_FUNCS(strcasecmp)

mutt_cv_snprintf=no
AC_CHECK_FUNC(snprintf, [AC_DEFINE(HAVE_SNPRINTF)], [mutt_cv_snprintf=yes])
AC_CHECK_FUNC(vsnprintf, [AC_DEFINE(HAVE_VSNPRINTF)], [mutt_cv_snprintf=yes])
if test $mutt_cv_snprintf = yes; then
	LIBOBJS="$LIBOBJS snprintf.o"
fi

dnl SCO uses chsize() instead of ftruncate()
AC_CHECK_FUNCS(ftruncate, break, [AC_CHECK_LIB(x, chsize)])

dnl SCO has strftime() in libintl
AC_CHECK_FUNCS(strftime, break, [AC_CHECK_LIB(intl, strftime)])

mutt_cv_regex=yes
AC_ARG_WITH(rx, [  --with-rx[=DIR]            Use GNU rx ],
	[if test $withval != yes; then
		if test -d $withval/lib; then
			LIBS="$LIBS -L$withval/lib -lrx"
			CPPFLAGS="-I$withval/include $CPPFLAGS"
		else
			LIBS="$LIBS -L$withval -lrx"
			CPPFLAGS="-I$withval $CPPFLAGS"
		fi
		AC_DEFINE(USE_GNU_RX)
		mutt_cv_regex=no
	fi],
	[AC_CHECK_FUNCS(regcomp, mutt_cv_regex=no)])

if test $mutt_cv_regex = yes; then
	if test -d ../rx-1.5; then
		LIBS="$LIBS ../rx-1.5/rx/librx.a"
		CPPFLAGS="-I../rx-1.5/rx $CPPFLAGS"
	else
		LIBOBJS="$LIBOBJS rx/librx.a"
		CPPFLAGS="-I\$(srcdir)/rx $CPPFLAGS"
	fi
	AC_DEFINE(USE_GNU_RX)
fi

AC_ARG_WITH(homespool, [  --with-homespool[=FILE]    file in user's directory where new mail is spooled], with_homespool=${withval})
if test x$with_homespool != x; then
	if test $with_homespool = yes; then
		with_homespool=mailbox
	fi
	AC_DEFINE_UNQUOTED(MAILPATH, "$with_homespool")
	AC_DEFINE(HOMESPOOL)
	AC_DEFINE(USE_DOTLOCK)
	mutt_cv_setgid=no
else
	AC_ARG_WITH(mailpath, [  --with-mailpath=DIR        directory where spool mailboxes are located],
		[mutt_cv_mailpath=$withval],
		[ AC_CACHE_CHECK(where new mail is stored, mutt_cv_mailpath,
			[mutt_cv_mailpath=no
			if test -d /var/mail; then
				mutt_cv_mailpath=/var/mail
			elif test -d /var/spool/mail; then
				mutt_cv_mailpath=/var/spool/mail
			elif test -d /usr/spool/mail; then
				mutt_cv_mailpath=/usr/spool/mail
			elif test -d /usr/mail; then
				mutt_cv_mailpath=/usr/mail
			fi])
		])
	if test $mutt_cv_mailpath = no; then
		AC_MSG_ERROR("Could not determine where new mail is stored.")
	fi
	AC_DEFINE_UNQUOTED(MAILPATH, "$mutt_cv_mailpath")

	AC_CACHE_CHECK(if $mutt_cv_mailpath is world writable, mutt_cv_worldwrite, AC_TRY_RUN([#include <sys/types.h>
#include <sys/stat.h>

int main (int argc, char **argv)
{
	struct stat s;

	stat ("$mutt_cv_mailpath", &s);
	if (s.st_mode & S_IWOTH) exit (0);
	exit (1);
}], [mutt_cv_worldwrite=yes], [mutt_cv_worldwrite=no]))

	mutt_cv_setgid=no
	if test $mutt_cv_worldwrite = yes; then
		AC_DEFINE(USE_DOTLOCK)
	else

		AC_CACHE_CHECK(if $mutt_cv_mailpath is group writable, mutt_cv_groupwrite, AC_TRY_RUN([#include <sys/types.h>
#include <sys/stat.h>

int main (int argc, char **argv)
{
	struct stat s;

	stat ("$mutt_cv_mailpath", &s);
	if (s.st_mode & S_IWGRP) exit (0);
	exit (1);
}], [mutt_cv_groupwrite=yes], [mutt_cv_groupwrite=no]))

		if test $mutt_cv_groupwrite = yes; then
			AC_DEFINE(USE_DOTLOCK)
			AC_DEFINE(USE_SETGID)
			mutt_cv_setgid=yes
		fi
	fi
fi

AC_ARG_WITH(sharedir, [  --with-sharedir=PATH       specify where to put arch independent files],
	[mutt_cv_sharedir=$withval],
	[ AC_CACHE_CHECK(where to put architecture-independent data files,
		       mutt_cv_sharedir,
		[if test x$prefix = xNONE; then
			mutt_cv_prefix=$ac_default_prefix
		else
			mutt_cv_prefix=$prefix
		fi
		if test -d ${mutt_cv_prefix}/share; then
			if test -d ${mutt_cv_prefix}/share/misc; then
				mutt_cv_sharedir='${prefix}/share/misc'
			else
				mutt_cv_sharedir='${prefix}/share'
			fi
		else
			mutt_cv_sharedir='${libdir}'
		fi])
	])

sharedir=$mutt_cv_sharedir
AC_SUBST(sharedir)

AC_ARG_WITH(docdir, [  --with-docdir=PATH       specify where to put the documentation],
	[mutt_cv_docdir=$withval],
	[ AC_CACHE_CHECK(where to put the documentation,
		       mutt_cv_docdir,
		[if test x$prefix = xNONE; then
			mutt_cv_prefix=$ac_default_prefix
		else
			mutt_cv_prefix=$prefix
		fi
		mutt_cv_docdir=$mutt_cv_prefix/doc/mutt])
	])

docdir=$mutt_cv_docdir
AC_SUBST(docdir)


if test x$mutt_cv_setgid = xyes; then
	MUTT_GROUP='-g mail'
	MUTT_PERMISSION=2755
else
	MUTT_GROUP=''
	MUTT_PERMISSION=755
fi
AC_SUBST(MUTT_GROUP)
AC_SUBST(MUTT_PERMISSION)

AC_ARG_WITH(domain, [  --with-domain=DOMAIN       Specify your DNS domain name ],
	[if test $withval != yes; then
		AC_DEFINE_UNQUOTED(DOMAIN, "$withval")
	fi])

AC_ARG_ENABLE(hidden-host, [  --enable-hidden-host       Only use the domain name for local addresses], AC_DEFINE(HIDDEN_HOST))

AC_ARG_ENABLE(pop, [  --enable-pop               Enable POP3 support],
[	AC_DEFINE(USE_POP)
	AC_CHECK_LIB(socket, socket)
	AC_CHECK_LIB(nsl, gethostbyname)
	LIBOBJS="$LIBOBJS pop.o"
])

AC_ARG_ENABLE(imap, [  --enable-imap              Enable IMAP support],
[	AC_DEFINE(USE_IMAP)
	AC_CHECK_LIB(socket, socket)
	AC_CHECK_LIB(nsl, gethostbyname)
	LIBOBJS="$LIBOBJS imap.o"
])

AC_ARG_ENABLE(flock, [  --enable-flock             Use flock() to lock files],
	[if test $enableval = yes; then
		AC_DEFINE(USE_FLOCK)
	fi])

mutt_cv_fcntl=yes
AC_ARG_ENABLE(fcntl, [  --disable-fcntl            Do NOT use fcntl() to lock files ],
	[if test $enableval = no; then mutt_cv_fcntl=no; fi])

if test $mutt_cv_fcntl = yes; then
	AC_DEFINE(USE_FCNTL)
fi

mutt_cv_warnings=yes
AC_ARG_ENABLE(warnings, [  --disable-warnings         turn off compiler warnings (not recommended)],
[if test $enableval = no; then
	mutt_cv_warnings=no
fi])

if test "$ac_cv_prog_CC" = gcc -a $mutt_cv_warnings = yes; then
	CFLAGS="-Wall -pedantic $CFLAGS"
fi

AC_ARG_ENABLE(nfs-fix, [  --enable-nfs-fix           Work around an NFS with broken attributes caching ],
	[if test x$enableval = xyes; then
                AC_DEFINE(NFS_ATTRIBUTE_HACK)
        fi])

AC_ARG_ENABLE(buffy-size, [  --enable-buffy-size        Use file size attribute instead of access time ],
	[if test x$enableval = xyes; then
                AC_DEFINE(BUFFY_SIZE)
        fi])

AC_ARG_ENABLE(locales-fix, [  --enable-locales-fix       The result of isprint() is unreliable ],
	[if test x$enableval = xyes; then
                AC_DEFINE(LOCALES_HACK)
        fi])

AC_ARG_WITH(exec-shell, [  --with-exec-shell=SHELL    Specify alternate shell (ONLY if /bin/sh is broken)],
	[if test $withval != yes; then
		AC_DEFINE_UNQUOTED(EXECSHELL, "$withval")
	fi])

AC_ARG_ENABLE(exact-address, [  --enable-exact-address     enable regeneration of email addresses],
	[if test $enableval = yes; then
		AC_DEFINE(EXACT_ADDRESS)
	fi])

AC_OUTPUT(Makefile rx/Makefile Muttrc doc/Makefile)