config-scripts/cups-sharedlibs.m4

   1 dnl
   2 dnl "$Id: cups-sharedlibs.m4 5007 2006-01-27 18:25:42Z mike $"
   3 dnl
   4 dnl   Shared library support for the Common UNIX Printing System (CUPS).
   5 dnl
   6 dnl   Copyright 1997-2005 by Easy Software Products, all rights reserved.
   7 dnl
   8 dnl   These coded instructions, statements, and computer programs are the
   9 dnl   property of Easy Software Products and are protected by Federal
  10 dnl   copyright law.  Distribution and use rights are outlined in the file
  11 dnl   "LICENSE.txt" which should have been included with this file.  If this
  12 dnl   file is missing or damaged please contact Easy Software Products
  13 dnl   at:
  14 dnl
  15 dnl       Attn: CUPS Licensing Information
  16 dnl       Easy Software Products
  17 dnl       44141 Airport View Drive, Suite 204
  18 dnl       Hollywood, Maryland 20636 USA
  19 dnl
  20 dnl       Voice: (301) 373-9600
  21 dnl       EMail: cups-info@cups.org
  22 dnl         WWW: http://www.cups.org
  23 dnl
  24
  25 PICFLAG=1
  26 DSOFLAGS="${DSOFLAGS:=}"
  27
  28 AC_ARG_ENABLE(shared, [  --enable-shared         turn on shared libraries, default=yes])
  29
  30 if test x$enable_shared != xno; then
  31         case "$uname" in
  32                 SunOS* | UNIX_S*)
  33                         LIBCUPS="libcups.so.2"
  34                         LIBCUPSIMAGE="libcupsimage.so.2"
  35                         DSO="\$(CC)"
  36                         DSOFLAGS="$DSOFLAGS -Wl,-h,\$@ -G \$(OPTIM)"
  37                         ;;
  38                 HP-UX*)
  39                         LIBCUPS="libcups.sl.2"
  40                         LIBCUPSIMAGE="libcupsimage.sl.2"
  41                         DSO="ld"
  42                         DSOFLAGS="$DSOFLAGS -b -z +h \$@"
  43                         ;;
  44                 IRIX)
  45                         LIBCUPS="libcups.so.2"
  46                         LIBCUPSIMAGE="libcupsimage.so.2"
  47                         DSO="\$(CC)"
  48                         DSOFLAGS="$DSOFLAGS -Wl,-rpath,\$(libdir),-set_version,sgi2.6,-soname,\$@ -shared \$(OPTIM)"
  49                         ;;
  50                 OSF1* | Linux | GNU | *BSD*)
  51                         LIBCUPS="libcups.so.2"
  52                         LIBCUPSIMAGE="libcupsimage.so.2"
  53                         DSO="\$(CC)"
  54                         DSOFLAGS="$DSOFLAGS -Wl,-soname,\$@ -shared \$(OPTIM)"
  55                         ;;
  56                 Darwin*)
  57                         LIBCUPS="libcups.2.dylib"
  58                         LIBCUPSIMAGE="libcupsimage.2.dylib"
  59                         DSO="\$(CC)"
  60                         DSOFLAGS="$DSOFLAGS \$(RC_CFLAGS) -dynamiclib -single_module -lc"
  61                         ;;
  62                 AIX*)
  63                         LIBCUPS="libcups_s.a"
  64                         LIBCUPSIMAGE="libcupsimage_s.a"
  65                         DSO="\$(CC)"
  66                         DSOFLAGS="$DSOFLAGS -Wl,-bexpall,-bM:SRE,-bnoentry,-blibpath:\$(libdir)"
  67                         ;;
  68                 *)
  69                         echo "Warning: shared libraries may not be supported.  Trying -shared"
  70                         echo "         option with compiler."
  71                         LIBCUPS="libcups.so.2"
  72                         LIBCUPSIMAGE="libcupsimage.so.2"
  73                         DSO="\$(CC)"
  74                         DSOFLAGS="$DSOFLAGS -Wl,-soname,\$@ -shared \$(OPTIM)"
  75                         ;;
  76         esac
  77 else
  78         PICFLAG=0
  79         LIBCUPS="libcups.a"
  80         LIBCUPSIMAGE="libcupsimage.a"
  81         DSO=":"
  82 fi
  83
  84 AC_SUBST(DSO)
  85 AC_SUBST(DSOFLAGS)
  86 AC_SUBST(LIBCUPS)
  87 AC_SUBST(LIBCUPSIMAGE)
  88
  89 if test x$enable_shared = xno; then
  90         LINKCUPS="../cups/libcups.a"
  91         LINKCUPSIMAGE="../filter/libcupsimage.a"
  92 else
  93         if test $uname = AIX; then
  94                 LINKCUPS="-lcups_s"
  95                 LINKCUPSIMAGE="-lcupsimage_s"
  96         else
  97                 LINKCUPS="-lcups"
  98                 LINKCUPSIMAGE="-lcupsimage"
  99         fi
 100 fi
 101
 102 AC_SUBST(LINKCUPS)
 103 AC_SUBST(LINKCUPSIMAGE)
 104
 105 dnl Update libraries for DSOs...
 106 EXPORT_LDFLAGS=""
 107
 108 if test "$DSO" != ":"; then
 109         # When using DSOs the image libraries are linked to libcupsimage.so
 110         # rather than to the executables.  This makes things smaller if you
 111         # are using any static libraries, and it also allows us to distribute
 112         # a single DSO rather than a bunch...
 113         DSOLIBS="\$(LIBPNG) \$(LIBTIFF) \$(LIBJPEG) \$(LIBZ)"
 114         IMGLIBS=""
 115
 116         # The *BSD, HP-UX, and Solaris run-time linkers need help when
 117         # deciding where to find a DSO.  Add linker options to tell them
 118         # where to find the DSO (usually in /usr/lib...  duh!)
 119         case $uname in
 120                 HP-UX*)
 121                         # HP-UX
 122                         DSOFLAGS="+s +b $libdir $DSOFLAGS"
 123                         LDFLAGS="$LDFLAGS -Wl,+s,+b,$libdir"
 124                         EXPORT_LDFLAGS="-Wl,+s,+b,$libdir"
 125                         ;;
 126                 SunOS*)
 127                         # Solaris
 128                         DSOFLAGS="-R$libdir $DSOFLAGS"
 129                         LDFLAGS="$LDFLAGS -R$libdir"
 130                         EXPORT_LDFLAGS="-R$libdir"
 131                         ;;
 132                 *BSD*)
 133                         # *BSD
 134                         DSOFLAGS="-Wl,-R$libdir $DSOFLAGS"
 135                         LDFLAGS="$LDFLAGS -Wl,-R$libdir"
 136                         EXPORT_LDFLAGS="-Wl,-R$libdir"
 137                         ;;
 138                 Linux | GNU)
 139                         # Linux and HURD
 140                         DSOFLAGS="-Wl,-rpath,$libdir $DSOFLAGS"
 141                         LDFLAGS="$LDFLAGS -Wl,-rpath,$libdir"
 142                         EXPORT_LDFLAGS="-Wl,-rpath,$libdir"
 143                         ;;
 144         esac
 145 else
 146         DSOLIBS=""
 147         IMGLIBS="\$(LIBPNG) \$(LIBTIFF) \$(LIBJPEG) \$(LIBZ)"
 148 fi
 149
 150 AC_SUBST(DSOLIBS)
 151 AC_SUBST(IMGLIBS)
 152 AC_SUBST(EXPORT_LDFLAGS)
 153
 154 dnl
 155 dnl End of "$Id: cups-sharedlibs.m4 5007 2006-01-27 18:25:42Z mike $".
 156 dnl