dnl Process this file with autoconf to produce a configure script.

AC_INIT()
AC_CONFIG_HEADER(config.h)
#AC_PREFIX_DEFAULT(/glftpd/)

AC_CANONICAL_BUILD 
AC_CANONICAL_HOST 

dnl Checks for programs.
AC_PROG_CC

if [[ "$CC" = "gcc" ]]; then
	CFLAGS="$CFLAGS -W -Wall -Wundef -Wshadow -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline"
fi

AC_CHECK_PROG(GREP, grep, grep)
if [[ -z "$GREP" ]]; then AC_MSG_ERROR([Couldn't find grep, quitting!]); fi
AC_CHECK_PROG(STRINGS, strings, strings)
if [[ -z "$STRINGS" ]]; then AC_MSG_ERROR([Couldn't find strings, quitting!]); fi
AC_CHECK_PROG(CUT, cut, cut)
if [[ -z "$CUT" ]]; then AC_MSG_ERROR([Couldn't find cut, quitting!]); fi
AC_CHECK_PROG(RM, rm, rm)
if [[ -z "$RM" ]]; then AC_MSG_ERROR([Couldn't find rm, quitting!]); fi
AC_CHECK_PROG(INSTALL, install, install)
if [[ -z "$INSTALL" ]]; then AC_MSG_ERROR([Couldn't find install, quitting!]); fi
AC_CHECK_PROG(MAKE, make, make)
if [[ -z "$MAKE" ]]; then AC_MSG_ERROR([Couldn't find make, quitting!]); fi

dnl Checks for libraries.
LCRYPT=""; PASSCHK=""
if [[ $(uname -s) != "OpenBSD" ]]; then
	#AC_CHECK_LIB(crypt, crypt, LCRYPT="-lcrypt", AC_MSG_ERROR([[Couldn't find libcrypt, quitting!]]))
	AC_CHECK_LIB(crypt, crypt, LCRYPT="-lcrypt")
fi

AH_TEMPLATE([PZSNG_SSL_EXT], [Define to 1 to if you have the required SSL-libs in place])
PZSNG_SSL
if [[ -n "$SSL_LIBS" ]]; then
	PASSCHK="passchk"
	PASSCHK2="passchk-install"
fi

dnl Checks for header files.
AC_HEADER_TIME
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(pwd.h regex.h fnmatch.h fcntl.h errno.h, , AC_MSG_ERROR([[Couldn't find required header, quitting!]]))
AC_CHECK_HEADERS(sys/ipc.h sys/param.h sys/shm.h sys/time.h sys/uio.h sys/wait.h, , AC_MSG_ERROR([[Couldn't find required header, quitting!]]))
AC_CHECK_HEADERS(hsregex.h, CFLAGS="$CFLAGS -DUSE_HSREGEX")

dnl Checks for library functions.
AC_CHECK_FUNC(strlcpy, [AC_DEFINE(HAVE_STRLCPY, 1, [Define to 1 if you have the strlcpy() function available])])

dnl Checks for typedefs, structures, and compiler characteristics.
dnl This one isn't used yet.

dnl Features

dnl OS :)

case $build in
	x86_64-*) M32="-m32";;
esac

case $host in
	*-solaris*)
		CFLAGS="$CFLAGS -D_SunOS_"
		SUNOBJS="strsep.o scandir.o"
		;;
	*bsd*|*darwin*)	
		CFLAGS="$CFLAGS -D_BSD_"
		;;
esac

dnl sitestat5
AC_ARG_ENABLE(ss5, AS_HELP_STRING([--enable-ss5], [compiles the zipscript for use with SiteStat 5]), [
	CFLAGS="$CFLAGS -D_WITH_SS5"
	! [[ -f zipscript/conf/zsconfig.h ]] && cp -i zipscript/conf/zsconfig.h.ss5.dist zipscript/conf/zsconfig.h
	]
)

dnl glftpd-specific
AC_ARG_ENABLE(glftpd-specific,
        AS_HELP_STRING([--disable-glftpd-specific], [Disable glftpd-specific features, so that it works under wzdftpd/cuftpd]),
        [GLFTPD_SPECIFIC="$enableval"],
        [GLFTPD_SPECIFIC="yes"]
)

dnl noformat
NOFORMAT="-D_WITH_NOFORMAT"
AC_ARG_ENABLE(format, AS_HELP_STRING([--enable-format], [compiles the zipscript to format the output]), NOFORMAT="")

dnl expert
AC_ARG_ENABLE(expert, AS_HELP_STRING([--enable-expert], [expert mode - uses full config]), [
	! [[ -f zipscript/conf/zsconfig.h ]] && cp -i zipscript/conf/zsconfig.h.complete zipscript/conf/zsconfig.h
	]
)

dnl altwho
ALTWHO="-D_WITH_ALTWHO"
AC_ARG_ENABLE(altwho, AS_HELP_STRING([--disable-altwho], [compiles the sitewho to not use an alternative output on single user who lookups]), ALTWHO="")

dnl Static linking :)
AC_ARG_ENABLE(static, AS_HELP_STRING([--enable-static], [enable static linking of zs-c]), CFLAGS="$CFLAGS -static"; static="yes")
if test "$static" = "yes"; then
  AC_MSG_RESULT([NOTICE: linking statically (--enable-static).])
else
  AC_MSG_RESULT([NOTICE: linking dynamically.])
fi

dnl Install-path
AC_ARG_WITH(install-path,
            AS_HELP_STRING([--with-install-path=PATH],
                           [specify nondefault path to install software (/glftpd per default)]),
            INSTALLPATH="$withval")
dnl for compatability
if [[ "x$INSTALLPATH" = "x" ]]; then
    AC_ARG_WITH(glpath, 
                AS_HELP_STRING([--with-glpath=PATH],
                               [specify nondefault path to install software (/glftpd per default) (USE --with-install-path INSTEAD!)]),
                INSTALLPATH="$withval", INSTALLPATH="/glftpd")
fi

dnl GL version =)
if [[ "x$GLFTPD_SPECIFIC" = "xyes" ]]; then
    AC_ARG_ENABLE(gl132, AS_HELP_STRING([--enable-gl132], [disable autodetect of glversion, and compile bot binaries for glftpd 1.32]),
                  GLVERSION="-DGLVERSION=132"
                  AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 1.32. (--enable-gl132).]),
                  GLVERSION="detect")

    if [[ "$GLVERSION" = "detect" ]]; then
      AC_ARG_ENABLE(gl200, AS_HELP_STRING([--enable-gl200], [disable autodetect of glversion, and compile bot binaries for glftpd 2.00]),
                    GLVERSION="-DGLVERSION=200"
                    AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.00. (--enable-gl200).]),
                    GLVERSION="detect")
      if [[ "$GLVERSION" = "detect" ]]; then
          AC_ARG_ENABLE(gl201, AS_HELP_STRING([--enable-gl201], [disable autodetect of glversion, and compile bot binaries for glftpd 2.01]),
                        GLVERSION="-DGLVERSION=201"
                        AC_MSG_RESULT([NOTICE: compiling bot binaries for glftpd 2.01. (--enable-gl201).]),
                        GLVERSION="detect")
      fi
    fi

    if [[ "$GLVERSION" = "detect" ]]; then
      if [[ ! -d "$INSTALLPATH" ] || [ ! -x "${INSTALLPATH}/bin/glftpd" ]]; then
        AC_MSG_ERROR([Invalid glpath "$INSTALLPATH". Use ./configure --with-install-path=PATH with a valid path! (or --enable-gl(132|200|201) to disable autodetect).
               If you're NOT using glftpd, use --disable-glftpd-specific. Quitting!])
      fi
      glversion="`strings $INSTALLPATH/bin/glftpd | grep -i '^glftpd ' | cut -c8-11 | tr -d '.'`"
      #echo "$v" | grep -E "^(132)|(200)|(201)$"
      if [[ "$glversion" = "132" ] || [ "$glversion" = "200" ] || [ "$glversion" = "201" ]]; then
        GLVERSION="-DGLVERSION=$glversion"
        glversion="`echo "$glversion" | sed 's/^\(.\)/\1\./'`"
        AC_MSG_RESULT([NOTICE: detected glversion, compiling bot binaries for glftpd $glversion.])
      else
        AC_MSG_ERROR([Couldn't detect glversion, please run ./configure --enable-gl132 or ./configure --enable-gl200 or ./configure --enable-gl201. Quitting!])
      fi
    fi
    AC_SUBST(GLVERSION)

    USING_GLFTPD="-DUSING_GLFTPD=1"
    SITEWHO="swho"
    SHOWLOG="showlog"
    SHOWLOG_INSTALL="showlog-install"
fi

AC_SUBST(USING_GLFTPD)
AC_SUBST(SITEWHO)
AC_SUBST(SHOWLOG)
AC_SUBST(SHOWLOG_INSTALL)

AC_SUBST(SUNOBJS)
AC_SUBST(NOFORMAT)
AC_SUBST(ALTWHO)
AC_SUBST(INSTALLPATH)
AC_SUBST(STATIC)
AC_SUBST(LCRYPT)
AC_SUBST(LCRYPTO)
AC_SUBST(PASSCHK)
AC_SUBST(PASSCHK2)
AC_SUBST(MAKE)
AC_SUBST(M32)

AC_OUTPUT(Makefile zipscript/src/Makefile zipscript/utils/Makefile sitebot/src/Makefile sitewho/Makefile sitewho/sitewho.conf lib/Makefile lib/strl/Makefile)

if [[ ! -f zipscript/conf/zsconfig.h ]]; then
    if [[ "x$USING_GLFTPD" == "x" ]]; then
        cp -i zipscript/conf/zsconfig.h.dist-nonglftpd zipscript/conf/zsconfig.h
    else
        cp -i zipscript/conf/zsconfig.h.dist zipscript/conf/zsconfig.h
    fi
fi

if [[ "$PASSCHK" = "" ]]; then
AC_MSG_RESULT(
$( echo )
libcrypt/OpenSSL not found. Not building passchk)
fi

AC_MSG_RESULT(
$( echo )
The makefiles are now configured. Next up you need to edit
zipscript/conf/zsconfig.h to fit your needs. Please see
README.ZSCONFIG for a complete list of options.
)

if [[ "x$GLFTPD_SPECIFIC" = "xyes" ]]; then
RESULT="Also be sure to edit sitewho/sitewho.conf. The conf has
all config options for the sitewho binary.

When done type 'make' to compile.
"
else
RESULT="You've compiled pzs-ng in "ftpd-agnostic" mode, this means
that all glftpd-specific features have been disabled. Good luck!
"
fi
AC_MSG_RESULT($RESULT)