File: configure.in

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gretl 0.99.2-1
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dnl
dnl Process this file with autoconf to produce a configure script.
dnl

AC_INIT(./lib/src/version.h)
AC_PREREQ(2.12)
AC_CONFIG_HEADER(config.h)
AC_CONFIG_AUX_DIR(`pwd`/tools)

dnl What version of gretl are we building?
dnl
VERSION=`grep const ./lib/src/version.h | sed -e 's/^.*"\(.*\)";$/\1/'`
echo "configuring for gretl $VERSION"
AC_SUBST(VERSION)

dnl Variables controlling the gretl build
build_gui="yes"
have_readline="no"
new_readline="no"
have_zlib="no"
have_libxml="no"
have_libole2="no"
have_gtk="no"
have_gtkextra="no"
have_gnome="no"
need_libbind="no"
MAKE="make"

AC_ARG_ENABLE(gui,
[  --enable-gui		  Enable gui [default=yes]],
[if test "$enableval" = "yes"
then
build_gui=yes
else
build_gui=no
fi])

AC_ARG_WITH(gmake,
[  --with-gmake            Use GNU make explicitly [default=no]],
[ case "$withval" in
  yes)
        MAKE="gmake"
        ;;
  *)
        ;;
  esac ],
)
AC_SUBST(MAKE)

AC_ARG_WITH(gnome,
[  --with-gnome            Build with gnome support [default=auto]],
if test "x${withval}" = "xno"
then
trygnome=no
else
trygnome=yes
fi,
trygnome=yes)

gnome_prefix="NA"
AC_ARG_WITH(gnome_install,
[  --with-gnome-install=DIR  where to install gnome-specific files [default=auto]],
if test -n "${withval}"
then
gnome_prefix=${withval}
fi,)

AC_ARG_WITH(libole2,
[  --with-libole2   Use installed libole2 [default=auto]],
if test "x${withval}" = "xno"
then
tryole=no
else
tryole=yes
fi,
tryole=yes)

AC_PROG_CC
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED(OS_TYPE, "$host_os")
AC_PROG_INSTALL

AC_DISABLE_STATIC
AC_PROG_LIBTOOL

dnl We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS"  && CFLAGS= auto_cflags=1
test -z "$CC" && cc_specified=yes

dnl
dnl if the user hasn't specified CFLAGS, then
dnl   if compiler is gcc, then use -O2 and some warning flags
dnl
if test -n "$auto_cflags"; then
  if test -n "$GCC"; then
    CFLAGS="$CFLAGS -Wall"
  fi
fi

AC_PROG_LN_S
AC_CHECK_LIB(m, sin)
AC_CHECK_LIB(c, fopen)
AC_CHECK_LIB(readline, readline,have_readline="yes" ; \
  CLI_LIBS="-lreadline -ltermcap" ; AC_DEFINE(HAVE_READLINE),,-ltermcap)
AC_SUBST(have_readline)
AC_SUBST(CLI_LIBS)
if test "$have_readline" = yes; then
  RL_OBJ="complete.o"
fi
AC_SUBST(RL_OBJ)
AC_CHECK_LIB(readline, rl_completion_matches,new_readline="yes" ; \
  CLI_LIBS="-lreadline -ltermcap" ; AC_DEFINE(NEW_READLINE),,-ltermcap)
AC_SUBST(new_readline)

AC_CHECK_LIB(c, inet_addr,,need_libbind="yes",)
if test "$need_libbind" = yes; then
  AC_CHECK_LIB(bind, inet_addr,,
  AC_MSG_ERROR(Can't find a definition of inet_addr),)
fi
AC_SUBST(need_libbind)

AC_CHECK_LIB(z, gzopen,have_zlib="yes" ; \
  ZLIB="-lz" ; AC_DEFINE(HAVE_ZLIB),,)
AC_SUBST(have_zlib)

XMLCONF=''
AC_DEFUN(AC_LIB_XML,
[AC_CHECK_PROGS(XMLCONF,xml-config xml2-config,)])

AC_LIB_XML
if test x"${XMLCONF}" != x ; then
  have_libxml=yes
  XML_CFLAGS=`$XMLCONF --cflags`
  XML_LIBS=`$XMLCONF --libs`
  AC_SUBST(XML_CFLAGS)
  AC_SUBST(XML_LIBS)
fi

dnl See if gnome libole2 is available?
OLE_LIBS=`glib-config --libs`
OLE_CFLAGS="-I. -I.. -DHAVE_UNISTD_H `glib-config --cflags`"
if test x"${tryole}" != xno ; then
  AC_MSG_CHECKING(for libole2)
  OLE_CFLAGS=`gnome-config --cflags libole2 2>/dev/null`
  OLE_LIBS=`gnome-config --libs libole2 2>/dev/null`
  if test x"${OLE_CFLAGS}" = "x" ; then
     AC_MSG_RESULT(no)
     OLE_LIBS=`glib-config --libs`
     OLE_CFLAGS="-I. -I.. -DHAVE_UNISTD_H `glib-config --cflags`"
  else
     AC_MSG_RESULT(yes)
  fi
fi
AC_SUBST(OLE_CFLAGS)
AC_SUBST(OLE_LIBS)

dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(paths.h unistd.h)
AC_C_CONST

dnl Checks for getdomainname in unistd.h
AC_MSG_CHECKING(for getdomainname)
AC_EGREP_HEADER(getdomainname, unistd.h, have_domname=yes)
if test "$have_domname" = yes ; then
  AC_MSG_RESULT(yes)
  AC_DEFINE(GETDOMAINNAME)
else
  AC_MSG_RESULT(no)
fi

AC_DEFUN(AC_PROG_GNUPLOT,
[AC_CHECK_PROG(GNUPLOT,gnuplot,yes)])

AC_PROG_GNUPLOT
test x"${GNUPLOT}" = xyes && AC_DEFINE(HAVE_GNUPLOT) 
if test x"${GNUPLOT}" = xyes
then
	have_gnuplot=yes
fi

AC_DEFUN(AC_PROG_LATEX,
[AC_CHECK_PROG(LATEX,latex,yes)])

AC_PROG_LATEX
test x"${LATEX}" = xyes && AC_DEFINE(HAVE_LATEX)
if test x"${LATEX}" = xyes
then
	have_latex=yes
fi

if test "$trygnome" = "yes"
then
AC_DEFUN(AC_PROG_GNOME,
[AC_CHECK_PROG(GNOME,gnome-config,yes)])

AC_PROG_GNOME
test x"${GNOME}" = xyes && AC_DEFINE(USE_GNOME)
if test x"${GNOME}" = xyes
then
have_gnome=yes
if test "${gnome_prefix}" = "NA"
  then
    gnome_prefix="`gnome-config --prefix`"
  fi
fi
AC_SUBST(have_gnome)
fi

AC_SUBST(gnome_prefix)

AC_DEFUN(AC_CHECK_ARCH, )

AC_CHECK_ARCH
echo $host_cpu | grep i.86 > /dev/null || AC_DEFINE(OTHER_ARCH)

if test "$build_gui" = "yes"
then
dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS
dnl
AC_DEFUN(AM_PATH_GTK,
[dnl 
dnl Get the cflags and libraries from the gtk-config script
dnl
AC_ARG_WITH(gtk-prefix,[  --with-gtk-prefix=PFX   Prefix where GTK is installed (optional)],
            gtk_config_prefix="$withval", gtk_config_prefix="")
AC_ARG_WITH(gtk-exec-prefix,[  --with-gtk-exec-prefix=PFX Exec prefix where GTK is installed (optional)],
            gtk_config_exec_prefix="$withval", gtk_config_exec_prefix="")
AC_ARG_ENABLE(gtktest, [  --disable-gtktest       Do not try to compile and run a test GTK program],
		    , enable_gtktest=yes)

  for module in . $4
  do
      case "$module" in
         gthread) 
             gtk_config_args="$gtk_config_args gthread"
         ;;
      esac
  done

  if test x$gtk_config_exec_prefix != x ; then
     gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
     if test x${GTK_CONFIG+set} != xset ; then
        GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
     fi
  fi
  if test x$gtk_config_prefix != x ; then
     gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
     if test x${GTK_CONFIG+set} != xset ; then
        GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
     fi
  fi

  AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
  min_gtk_version=ifelse([$1], ,1.2.4,$1)
  AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
  no_gtk=""
  if test "$GTK_CONFIG" = "no" ; then
    no_gtk=yes
  else
    GTK_CFLAGS=`$GTK_CONFIG $gtk_config_args --cflags`
    GTK_LIBS=`$GTK_CONFIG $gtk_config_args --libs`
    gtk_config_major_version=`$GTK_CONFIG $gtk_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    gtk_config_minor_version=`$GTK_CONFIG $gtk_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    gtk_config_micro_version=`$GTK_CONFIG $gtk_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test "x$enable_gtktest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $GTK_CFLAGS"
      LIBS="$GTK_LIBS $LIBS"
dnl
dnl Now check if the installed GTK is sufficiently new. (Also sanity
dnl checks the results of gtk-config to some extent
dnl
      rm -f conf.gtktest
      AC_TRY_RUN([
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>

int 
main ()
{
  int major, minor, micro;
  char *tmp_version;

  system ("touch conf.gtktest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = g_strdup("$min_gtk_version");
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_gtk_version");
     exit(1);
   }

  if ((gtk_major_version != $gtk_config_major_version) ||
      (gtk_minor_version != $gtk_config_minor_version) ||
      (gtk_micro_version != $gtk_config_micro_version))
    {
      printf("\n*** 'gtk-config --version' returned %d.%d.%d, but GTK+ (%d.%d.%d)\n", 
             $gtk_config_major_version, $gtk_config_minor_version, $gtk_config_micro_version,
             gtk_major_version, gtk_minor_version, gtk_micro_version);
      printf ("*** was found! If gtk-config was correct, then it is best\n");
      printf ("*** to remove the old version of GTK+. You may also be able to fix the error\n");
      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
      printf("*** required on your system.\n");
      printf("*** If gtk-config was wrong, set the environment variable GTK_CONFIG\n");
      printf("*** to point to the correct copy of gtk-config, and remove the file config.cache\n");
      printf("*** before re-running configure\n");
    } 
#if defined (GTK_MAJOR_VERSION) && defined (GTK_MINOR_VERSION) && defined (GTK_MICRO_VERSION)
  else if ((gtk_major_version != GTK_MAJOR_VERSION) ||
	   (gtk_minor_version != GTK_MINOR_VERSION) ||
           (gtk_micro_version != GTK_MICRO_VERSION))
    {
      printf("*** GTK+ header files (version %d.%d.%d) do not match\n",
	     GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
      printf("*** library (version %d.%d.%d)\n",
	     gtk_major_version, gtk_minor_version, gtk_micro_version);
    }
#endif /* defined (GTK_MAJOR_VERSION) ... */
  else
    {
      if ((gtk_major_version > major) ||
        ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
        ((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)))
      {
        return 0;
       }
     else
      {
        printf("\n*** An old version of GTK+ (%d.%d.%d) was found.\n",
               gtk_major_version, gtk_minor_version, gtk_micro_version);
        printf("*** You need a version of GTK+ newer than %d.%d.%d. The latest version of\n",
	       major, minor, micro);
        printf("*** GTK+ is always available from ftp://ftp.gtk.org.\n");
        printf("***\n");
        printf("*** If you have already installed a sufficiently new version, this error\n");
        printf("*** probably means that the wrong copy of the gtk-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of GTK+, but you can also set the GTK_CONFIG environment to point to the\n");
        printf("*** correct copy of gtk-config. (In this case, you will have to\n");
        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
        printf("*** so that the correct libraries are found at run-time))\n");
      }
    }
  return 1;
}
],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
  fi
  if test "x$no_gtk" = x ; then
     AC_MSG_RESULT(yes)
     have_gtk=yes
     AC_SUBST(have_gtk)
     GUI="gretl"
     AC_SUBST(GUI)
     ifelse([$2], , :, [$2])     
  else
     AC_MSG_RESULT(no)
     AC_SUBST(have_gtk)
     if test "$GTK_CONFIG" = "no" ; then
       echo "*** The gtk-config script installed by GTK could not be found"
       echo "*** If GTK was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the GTK_CONFIG environment variable to the"
       echo "*** full path to gtk-config."
     else
       if test -f conf.gtktest ; then
        :
       else
          echo "*** Could not run GTK test program, checking why..."
          CFLAGS="$CFLAGS $GTK_CFLAGS"
          LIBS="$LIBS $GTK_LIBS"
          AC_TRY_LINK([
#include <gtk/gtk.h>
#include <stdio.h>
],      [ return ((gtk_major_version) || (gtk_minor_version) || (gtk_micro_version)); ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding GTK or finding the wrong"
          echo "*** version of GTK. If it is not finding GTK, you'll need to set your"
          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
          echo "*** is required on your system"
	  echo "***"
          echo "*** If you have an old version installed, it is best to remove it, although"
          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
          echo "***"
          echo "*** If you have a RedHat 5.0 system, you should remove the GTK package that"
          echo "*** came with the system with the command"
          echo "***"
          echo "***    rpm --erase --nodeps gtk gtk-devel" ],
        [ echo "*** The test program failed to compile or link. See the file config.log for the"
          echo "*** exact error that occured. This usually means GTK was incorrectly installed"
          echo "*** or that you have moved GTK since it was installed. In the latter case, you"
          echo "*** may want to edit the gtk-config script: $GTK_CONFIG" ])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
       fi
     fi
     GTK_CFLAGS=""
     GTK_LIBS=""
     ifelse([$3], , :, [$3])
  fi
  AC_SUBST(GTK_CFLAGS)
  AC_SUBST(GTK_LIBS)
  rm -f conf.gtktest
])

AM_PATH_GTK(1.2.3)

fi

if test "$build_gui" = "yes"
then
dnl AM_PATH_GTKEXTRA([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for GTKEXTRA, and define GTK_EXTRA_FLAGS and GTK_EXTRA_LIBS
dnl
AC_DEFUN(AM_PATH_GTKEXTRA,
[dnl 
dnl Get the cflags and libraries from the gtkextra-config script
dnl
AC_ARG_WITH(gtkextra-prefix,[  --with-gtkextra-prefix=PFX   Prefix where GTKEXTRA is installed (optional)],
            gtkextra_config_prefix="$withval", gtkextra_config_prefix="")
AC_ARG_WITH(gtkextra-exec-prefix,[  --with-gtkextra-exec-prefix=PFX Exec prefix where GTKEXTRA is installed (optional)],
            gtkextra_config_exec_prefix="$withval", gtkextra_config_exec_prefix="")
AC_ARG_ENABLE(gtkextratest, [  --disable-gtkextratest       Do not try to compile and run a test GTKEXTRA program],
		    , enable_gtkextratest=yes)

  if test x$gtkextra_config_exec_prefix != x ; then
     gtkextra_config_args="$gtkextra_config_args --exec-prefix=$gtkextra_config_exec_prefix"
     if test x${GTK_EXTRA_CONFIG+set} != xset ; then
        GTK_EXTRA_CONFIG=$gtkextra_config_exec_prefix/bin/gtkextra-config
     fi
  fi
  if test x$gtkextra_config_prefix != x ; then
     gtkextra_config_args="$gtkextra_config_args --prefix=$gtkextra_config_prefix"
     if test x${GTK_EXTRA_CONFIG+set} != xset ; then
        GTK_EXTRA_CONFIG=$gtkextra_config_prefix/bin/gtkextra-config
     fi
  fi

 AC_PATH_PROG(GTK_EXTRA_CONFIG, gtkextra-config, no)
  min_gtkextra_version=ifelse([$1], ,0.99.12,$1)
  AC_MSG_CHECKING(for GTKEXTRA - version >= $min_gtkextra_version)
  no_gtkextra=""
  if test "$GTK_EXTRA_CONFIG" = "no" ; then
    no_gtkextra=yes
    AC_MSG_RESULT(no)
    if test -d gui/gtkextra ; then
       echo "* Will try using the gretl gtkextra addon package instead"
    else
       echo
       echo "* You need the gtkextra library to compile gretl."
       echo "* You can get this from gtkextra.sourceforge.net"
       exit
    fi
  else
    have_gtkextra=yes
    # AC_MSG_RESULT(yes)
    GTK_EXTRA_CFLAGS=`$GTK_EXTRA_CONFIG $gtkextra_config_args --cflags`
    GTK_EXTRA_LIBS=`$GTK_EXTRA_CONFIG $gtkextra_config_args --libs`
    gtkextra_config_major_version=`$GTK_EXTRA_CONFIG $gtkextra_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    gtkextra_config_minor_version=`$GTK_EXTRA_CONFIG $gtkextra_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    gtkextra_config_micro_version=`$GTK_EXTRA_CONFIG $gtkextra_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test "x$enable_gtkextratest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $GTK_CFLAGS $GTK_EXTRA_CFLAGS"
      LIBS="$GTK_LIBS $LIBS $GTK_EXTRA_LIBS"
# added stuff
      rm -f conf.gtkextratest
      AC_TRY_RUN([
#include <gtkextra/gtkextra.h>
#include <stdio.h>
#include <stdlib.h>

int 
main ()
{
  int confmajor, confminor, confmicro;
  int major, minor, micro;
  char *tmp_version, line[16];
  FILE *fp;

  system("gtkextra-config --version > conf.gtkextratest 2>&1");
  fp = fopen("conf.gtkextratest", "r");
  if (fp == NULL) {
     printf("*** Couldn't read output from gtkextra-config.\n");
     exit(1);
  } else {
     fgets(line, 8, fp);
     fclose(fp);
     system("rm -f conf.gtkextratest");
     line[8] = 0;
     if (sscanf(line, "%d.%d.%d", &confmajor, &confminor, &confmicro) != 3) {
        printf("%s, bad version string\n", line);
        exit(1);
     }
  }
  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = g_strdup("$min_gtkextra_version"); 
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_gtkextra_version");
     exit(1);
   }
  else
    {
      if ((confmajor > major) ||
        ((confmajor == major) && (confminor > minor)) ||
        ((confmajor == major) && (confminor == minor) &&
        (confmicro >= micro)))
      {
        return 0;
       }
     else
      {
        printf("\n*** An old version of gtkextra (%d.%d.%d) was found.\n", confmajor, confminor, confmicro);
        printf("*** To link gretl against libgtkextra you need at least\n");
        printf("*** version %d.%d.%d. (The latest version should be available\n", major, minor, micro);
        printf("*** from gtkextra.sourceforge.net.)\n");
      }
    }
  return 1;
}
],AC_MSG_RESULT(yes), have_gtkextra=no,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
# end added stuff
    fi
  fi
  AC_SUBST(GTK_EXTRA_CFLAGS)
  AC_SUBST(GTK_EXTRA_LIBS)
])

AM_PATH_GTKEXTRA(0.99.15)
AC_SUBST(have_gtkextra)

# end of "build_gui" conditionality
fi

if test "${have_gtkextra}" = "no" ; then
   exit
fi

if test "${prefix}" = "NONE" ; then
   prefix="/usr/local"
fi
AC_DEFINE_UNQUOTED(GRETL, "${prefix}/share/gretl/")

dnl
dnl Create output
dnl
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
AC_OUTPUT([
Makefile 
gretl_sh 
gretl-config 
gui/Makefile
gui/gnome/gretl.keys 
cli/Makefile 
lib/Makefile 
plugin/Makefile
share/Makefile
])

if test "${have_zlib}" = "no" ; then
echo "
Please install zlib (compression library) and then reconfigure gretl.
zlib is available via http://www.info-zip.org/pub/infozip/zlib/
"

elif test "${have_libxml}" = "no" ; then
echo "
Please install libxml and then reconfigure gretl.
libxml is available from http://xmlsoft.org/
"

else
echo "
Configuration:
  
  Installation path:                    ${prefix}
  Build GTK gui:                        ${have_gtk}
  Use readline library:                 ${have_readline}
  Use gnuplot for graphs:               ${have_gnuplot}
  Use LaTeX for typesetting output:     ${have_latex}
  Build with gnome support:             ${have_gnome}
  Gnome installation prefix:            ${gnome_prefix}

Now type '$MAKE' to build gretl.
"
fi