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1 dnl Copyright (C) 1988 Eleftherios Gkioulekas <lf@amath.washington.edu>
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2 dnl
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3 dnl This program is free software; you can redistribute it and/or modify
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4 dnl it under the terms of the GNU General Public License as published by
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5 dnl the Free Software Foundation; either version 2 of the License, or
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6 dnl (at your option) any later version.
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7 dnl
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8 dnl This program is distributed in the hope that it will be useful,
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9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 dnl GNU General Public License for more details.
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12 dnl
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13 dnl You should have received a copy of the GNU General Public License
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14 dnl along with this program; if not, write to the Free Software
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15 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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16 dnl
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17 dnl As a special exception to the GNU General Public License, if you
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18 dnl distribute this file as part of a program that contains a configuration
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19 dnl script generated by Autoconf, you may include it under the same
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20 dnl distribution terms that you use for the rest of that program.
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21
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22
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23 #-----------------------------------------------------------------------
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24 # This macro searches for Xlib and when it finds it it adds the
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25 # appropriate flags to CFLAGS and export the link sequence to
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26 # the variable XLIB.
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27 # In your configure.in file add:
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28 # LF_PATH_XLIB
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29 # In your Makefile.am add
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30 # program_LDADD = .... $(XLIB)
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31 #------------------------------------------------------------------------
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32 #
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33 # Just added EMBOSS into LF_PATH_XLIB so that on the systems where
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34 # LF_PATH_XLIB exists there are no duplication errors.
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35
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36
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37 AC_DEFUN([LF_EMBOSS_PATH_XLIB],[
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38 CFLAGS="$CFLAGS $X_CFLAGS"
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39
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40 case $host_os in
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41 irix*)
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42 XLIB="-lX11 $X_EXTRA_LIBS"
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43 ;;
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44 *)
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45 XLIB="$X_LIBS -lX11 $X_EXTRA_LIBS"
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46 ;;
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47 esac
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48
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49 AC_SUBST([XLIB])
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50
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51 AC_CHECK_HEADER(X11/Xlib.h,
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52 [
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53 AC_DEFINE([PLD_xwin], [1], [Define to 1 if X11 support is available])
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54 ],
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55 [
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56 echo ""
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57 echo "X11 graphics have been selected but no X11 header files"
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58 echo "have been found."
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59 echo ""
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60 echo "This error usually happens on Linux/MacOSX distributions"
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61 echo "where the optional X11 development files have not been installed."
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62 echo "On Linux RPM systems this package is usually called something"
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63 echo "like xorg-x11-proto-devel whereas on Debian/Ubuntu it may"
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64 echo "be called x-dev. On MacOSX installation DVDs the X11 files"
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65 echo "can usually be found as an explicitly named optional"
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66 echo "installation."
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67 echo ""
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68 echo "After installing the X11 development files you should do a"
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69 echo "'make clean' and perform the configure stage again."
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70 echo ""
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71 echo "Alternatively, to install EMBOSS without X11 support, you can add"
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72 echo "the --without-x switch to the configure command."
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73 echo ""
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74 exit $?
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75 ])
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76
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77 ])
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78
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