AC_INIT(src/rateup.c)

AC_PREREQ(2.13)

dnl Check for programs.

AC_PROG_CC

AC_PREFIX_DEFAULT( /opt/mrtg-2 )

AC_PROG_CPP

AC_PROG_MAKE_SET

AC_PROG_INSTALL

AC_PATH_PROG(PERL, perl, no, $PATH:/usr/bin:/usr/local/bin)

if test $PERL = no; then 

   echo

   echo "** No Perl found in the PATH. A recent copy of Perl"

   echo "   is required for mrtg to work. Check www.perl.com"

   echo 

   exit 1

fi

AC_PATH_PROGS(NROFF, groff nroff)

dnl Check for long long type (64 bit rateup)

AC_CHECK_HEADERS(inttypes.h)

AC_CHECK_TYPE(unsigned long long)

AC_CHECK_TYPE(long long)

AC_CHECK_FUNCS(strtoll)

# Taken from libIDL-0.8.2

AC_MSG_CHECKING([for printf long long format specifier])

AC_CACHE_VAL(mr_cv_long_long_format_specifier,[

    for format in ll l q I64; do

        AC_TRY_RUN([#include <stdio.h>  

            int main()

            {

                long long b, a = -0x3AFAFAFAFAFAFAFALL;

                char buffer[1000];

                sprintf (buffer, "%${format}u", a);

                sscanf (buffer, "%${format}u", &b);

                exit (b!=a);

            }

            ],

            mr_cv_long_long_format_specifier="%${format}d"

            mr_cv_long_long_format="${format}d"

            break)

        done])

AC_MSG_RESULT($mr_cv_long_long_format_specifier)

AC_DEFINE_UNQUOTED(LLD, "$mr_cv_long_long_format_specifier",

    [How to print a long long])

AC_DEFINE_UNQUOTED(LLD_FORMAT, "$mr_cv_long_long_format",

    [long long format without % specifier])

AH_BOTTOM(

#ifndef HAVE_STRTOLL     

long long int strtoll(const char *str, char **ptr, int base)

{

        long long int ll;

        sscanf(str, LLD, &ll);

        return ll;

}

#endif

)

dnl Checks for libraries.

AC_CHECK_LIB(m, pow, [ MATHLIBS="-lm" ])

AC_ARG_WITH(gd,[  --with-gd=DIR           location of the gd lib/inc],

		[LDFLAGS="${LDFLAGS} -L${withval}"

		CPPFLAGS="${CPPFLAGS} -I${withval}"

		LD_RUN_PATH="${withval}${LD_RUN_PATH:+:}${LD_RUN_PATH}"])

AC_ARG_WITH(gd-lib,[  --with-gd-lib=DIR       location of the gd library],

		[LDFLAGS="${LDFLAGS} -L${withval}"

		LD_RUN_PATH="${withval}${LD_RUN_PATH:+:}${LD_RUN_PATH}"])

AC_ARG_WITH(gd-inc,[  --with-gd-inc=DIR       location of the gd include files],

		[CPPFLAGS="${CPPFLAGS} -I${withval}"])

AC_ARG_WITH(z,[  --with-z=DIR            location of zlib lib/inc],

		[LDFLAGS="${LDFLAGS} -L${withval}"

		CPPFLAGS="${CPPFLAGS} -I${withval}"

		LD_RUN_PATH="${withval}${LD_RUN_PATH:+:}${LD_RUN_PATH}"])

AC_ARG_WITH(z-lib,[  --with-z-lib=DIR        location of zlib library],

		[LDFLAGS="${LDFLAGS} -L${withval}"

		LD_RUN_PATH="${withval}${LD_RUN_PATH:+:}${LD_RUN_PATH}"])

AC_ARG_WITH(z-inc,[  --with-z-inc=DIR        location of the zlib include files],

		[CPPFLAGS="${CPPFLAGS} -I${withval}"])

AC_ARG_WITH(png,[  --with-png=DIR          location of png lib/inc],

		[LDFLAGS="${LDFLAGS} -L${withval}"

		CPPFLAGS="${CPPFLAGS} -I${withval}"

		LD_RUN_PATH="${withval}${LD_RUN_PATH:+:}${LD_RUN_PATH}"])

AC_ARG_WITH(png-lib,[  --with-png-lib=DIR      location of png library],

		[LDFLAGS="${LDFLAGS} -L${withval}"

		LD_RUN_PATH="${withval}${LD_RUN_PATH:+:}${LD_RUN_PATH}"])

AC_ARG_WITH(png-inc,[  --with-png-inc=DIR      location of the libpng include files],

		[CPPFLAGS="${CPPFLAGS} -I${withval}"])

LIBS="${LIBS} ${MATHLIBS}"

GDEXTRALIB=""

dnl which version of gd do we have here ?

AC_CHECK_LIB(gd,gdImageGif,[

  GDFORM_EXT=gif

  GLIBS="-lgd"

                           ],:,[-lgd ${MATHLIBS}])

AC_CHECK_LIB(gd,gdImagePng,[

   GDFORM_EXT=png

   GLIBS="-lgd -lpng -lz"

        ],:,[-lgd -lpng -lz ${MATHLIBS}])

AC_CHECK_LIB(gd,gdImagePng_jpg,[

   GDFORM_EXT=png

   GLIBS="-lgd -lpng -lz -ljpeg"

        ],:,[-lgd -lpng -lz -ljpeg ${MATHLIBS}])

AC_CHECK_LIB(gd,gdImagePng_jpg_ft,[

   GDFORM_EXT=png

   GLIBS="-lgd -lpng -lz -ljpeg -lfreetype"

        ],:,[-lgd -lpng -lz -ljpeg -lfreetype ${MATHLIBS}])

if test x$GDFORM_EXT = xgif; then

  CPPFLAGS="$CPPFLAGS -DGFORM_GD=gdImageGif"

fi

LIBS="${GLIBS} ${LIBS}" 

if test x$LD_RUN_PATH != x; then

	SET_LD_RUN_PATH="LD_RUN_PATH=${LD_RUN_PATH}"

fi

dnl Make sure the header is here

AC_CHECK_HEADER( gd.h,:,[ GDFORM_EXT="" ])

if test x$GDFORM_EXT = x; then

echo

	echo "** Ooops, one of many bad things happened:"

	echo ""

	echo "   a)  You don't have the GD library installed."

	echo "       Get it from http://www.boutell.com, compile it and"

	echo "       use either --with-gd-lib=DIR and --with-gd-inc=DIR to specify"

	echo "       its location. You might also have to use --with-z-inc,"

        echo "	     --with-z-lib and --with-png-inc, --with-png-lib for gd"

        echo "	     versions 1.6 and higher.  Check config.log for more"

	echo "       information on the problem."

	echo ""

	echo "   b)  You have the GD library installed, but not the gd.h"

	echo "       header file.  Download the source (see above) and use"

	echo "       --with-gd-inc=DIR to specify where the file can be found."

	echo ""

	echo "   c)  You have the library and the header file installed, but"

	echo "       you also have a shared GD library in the same directory. "

        echo "       Remove the shared library files and/or links (e.g. "

	echo "       libgd.so.2.0.0, libgd.so and libgd.so.2).  This is especially"

        echo "	     likely if you're using a recent (post 1.8.4) version of GD"

	echo "       and didn't configure it with --disable-shared."

	echo ""

	echo "   d)  You have gd library installed and also it's headers, but you are"

	echo "       missing libpng (and headers) or freetype (and headers)"

	echo "       (mrtg does not use freetype, but if your copy of gd is precompiled"

	echo "       against it, you have to install it ... "

	echo ""

        echo "   Consider following the instructions in doc/mrtg-unix-guide.txt"

	exit 1

fi

AC_MSG_CHECKING(the weather)

AC_MSG_RESULT((cached) it's fine)

dnl Does the compiler like -Wall and

if test "x$GCC" = "xyes"; then

  oCFLAGS=$CFLAGS

  CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wcast-align -Wmissing-declarations -Wnested-externs -Winline -W"

  AC_CACHE_CHECK(if we can use GCC-specific compiler options, rd_cv_gcc_opt,

                [AC_TRY_COMPILE( , return 0 ,

                    rd_cv_gcc_opt=yes,

                    rd_cv_gcc_opt=no )

               ]

        )

  if test $rd_cv_gcc_opt = no; then

         CFLAGS=$oCFLAGS

  fi

fi

AC_SUBST(PERL)

AC_SUBST(RRD_PERL)

AC_SUBST(GDFORM_EXT)

AC_SUBST(SET_LD_RUN_PATH)

AC_SUBST(LIBS)

AC_SUBST(CFLAGS)

AC_CONFIG_HEADERS(config.h)

AC_OUTPUT(Makefile)

echo $ECHO_N "ordering CD from http://tobi.oetiker.ch/wish $ECHO_C" 1>&6

sleep 1

echo $ECHO_N ".$ECHO_C" 1>&6

sleep 1

echo $ECHO_N ".$ECHO_C" 1>&6

sleep 1

echo $ECHO_N ".$ECHO_C" 1>&6

sleep 1

echo $ECHO_N ".$ECHO_C" 1>&6

sleep 1

AC_MSG_RESULT([ just kidding ;-)])

sleep 2

echo

echo "----------------------------------------------------------------"

echo "Config is DONE!"

echo

echo "Type 'make' to compile the software"

echo 

echo "       ... that wishlist mentioned above does really exist. So if"

echo "you feel like showing your appreciation for MRTG, this is the"

echo "place to go. I just love CDs and DVDs"

echo 

echo "                            -- Tobi Oetiker <tobi@oetiker.ch>"

echo "----------------------------------------------------------------"