config-scripts/cups-sharedlibs.m4

   1 dnl
   2 dnl Shared library support for CUPS.
   3 dnl
   4 dnl Copyright 2007-2017 by Apple Inc.
   5 dnl Copyright 1997-2005 by Easy Software Products, all rights reserved.
   6 dnl
   7 dnl These coded instructions, statements, and computer programs are the
   8 dnl property of Apple Inc. and are protected by Federal copyright
   9 dnl law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  10 dnl which should have been included with this file.  If this file is
  11 dnl missing or damaged, see the license at "http://www.cups.org/".
  12 dnl
  13
  14 PICFLAG=1
  15 DSOFLAGS="${DSOFLAGS:=}"
  16
  17 AC_ARG_ENABLE(shared, [  --disable-shared        do not create shared libraries])
  18
  19 cupsbase="cups"
  20 LIBCUPSBASE="lib$cupsbase"
  21 LIBCUPSSTATIC="lib$cupsbase.a"
  22
  23 if test x$enable_shared != xno; then
  24         case "$host_os_name" in
  25                 sunos*)
  26                         LIBCUPS="lib$cupsbase.so.2"
  27                         LIBCUPSCGI="libcupscgi.so.1"
  28                         LIBCUPSIMAGE="libcupsimage.so.2"
  29                         LIBCUPSMIME="libcupsmime.so.1"
  30                         LIBCUPSPPDC="libcupsppdc.so.1"
  31                         DSO="\$(CC)"
  32                         DSOXX="\$(CXX)"
  33                         DSOFLAGS="$DSOFLAGS -Wl,-h\`basename \$@\` -G \$(OPTIM)"
  34                         ;;
  35                 linux* | gnu* | *bsd*)
  36                         LIBCUPS="lib$cupsbase.so.2"
  37                         LIBCUPSCGI="libcupscgi.so.1"
  38                         LIBCUPSIMAGE="libcupsimage.so.2"
  39                         LIBCUPSMIME="libcupsmime.so.1"
  40                         LIBCUPSPPDC="libcupsppdc.so.1"
  41                         DSO="\$(CC)"
  42                         DSOXX="\$(CXX)"
  43                         DSOFLAGS="$DSOFLAGS -Wl,-soname,\`basename \$@\` -shared \$(OPTIM)"
  44                         ;;
  45                 darwin*)
  46                         LIBCUPS="lib$cupsbase.2.dylib"
  47                         LIBCUPSCGI="libcupscgi.1.dylib"
  48                         LIBCUPSIMAGE="libcupsimage.2.dylib"
  49                         LIBCUPSMIME="libcupsmime.1.dylib"
  50                         LIBCUPSPPDC="libcupsppdc.1.dylib"
  51                         DSO="\$(CC)"
  52                         DSOXX="\$(CXX)"
  53                         DSOFLAGS="$DSOFLAGS -dynamiclib -single_module -lc"
  54                         ;;
  55                 *)
  56                         echo "Warning: shared libraries may not be supported.  Trying -shared"
  57                         echo "         option with compiler."
  58                         LIBCUPS="lib$cupsbase.so.2"
  59                         LIBCUPSCGI="libcupscgi.so.1"
  60                         LIBCUPSIMAGE="libcupsimage.so.2"
  61                         LIBCUPSMIME="libcupsmime.so.1"
  62                         LIBCUPSPPDC="libcupsppdc.so.1"
  63                         DSO="\$(CC)"
  64                         DSOXX="\$(CXX)"
  65                         DSOFLAGS="$DSOFLAGS -Wl,-soname,\`basename \$@\` -shared \$(OPTIM)"
  66                         ;;
  67         esac
  68 else
  69         PICFLAG=0
  70         LIBCUPS="lib$cupsbase.a"
  71         LIBCUPSCGI="libcupscgi.a"
  72         LIBCUPSIMAGE="libcupsimage.a"
  73         LIBCUPSMIME="libcupsmime.a"
  74         LIBCUPSPPDC="libcupsppdc.a"
  75         DSO=":"
  76         DSOXX=":"
  77 fi
  78
  79 AC_SUBST(DSO)
  80 AC_SUBST(DSOXX)
  81 AC_SUBST(DSOFLAGS)
  82 AC_SUBST(LIBCUPS)
  83 AC_SUBST(LIBCUPSBASE)
  84 AC_SUBST(LIBCUPSCGI)
  85 AC_SUBST(LIBCUPSIMAGE)
  86 AC_SUBST(LIBCUPSMIME)
  87 AC_SUBST(LIBCUPSPPDC)
  88 AC_SUBST(LIBCUPSSTATIC)
  89
  90 if test x$enable_shared = xno; then
  91         LINKCUPS="../cups/lib$cupsbase.a"
  92         LINKCUPSIMAGE="../filter/libcupsimage.a"
  93
  94         EXTLINKCUPS="-lcups"
  95         EXTLINKCUPSIMAGE="-lcupsimage"
  96 else
  97         LINKCUPS="-l${cupsbase}"
  98         LINKCUPSIMAGE="-lcupsimage"
  99
 100         EXTLINKCUPS="-lcups"
 101         EXTLINKCUPSIMAGE="-lcupsimage"
 102 fi
 103
 104 AC_SUBST(EXTLINKCUPS)
 105 AC_SUBST(EXTLINKCUPSIMAGE)
 106 AC_SUBST(LINKCUPS)
 107 AC_SUBST(LINKCUPSIMAGE)
 108
 109 dnl Update libraries for DSOs...
 110 EXPORT_LDFLAGS=""
 111
 112 if test "$DSO" != ":"; then
 113         # When using DSOs the image libraries are linked to libcupsimage.so
 114         # rather than to the executables.  This makes things smaller if you
 115         # are using any static libraries, and it also allows us to distribute
 116         # a single DSO rather than a bunch...
 117         DSOLIBS="\$(LIBZ)"
 118         IMGLIBS=""
 119
 120         # Tell the run-time linkers where to find a DSO.  Some platforms
 121         # need this option, even when the library is installed in a
 122         # standard location...
 123         case $host_os_name in
 124                 sunos*)
 125                         # Solaris...
 126                         if test $exec_prefix != /usr; then
 127                                 DSOFLAGS="-R$libdir $DSOFLAGS"
 128                                 LDFLAGS="$LDFLAGS -R$libdir"
 129                                 EXPORT_LDFLAGS="-R$libdir"
 130                         fi
 131                         ;;
 132                 *bsd*)
 133                         # *BSD...
 134                         if test $exec_prefix != /usr; then
 135                                 DSOFLAGS="-Wl,-R$libdir $DSOFLAGS"
 136                                 LDFLAGS="$LDFLAGS -Wl,-R$libdir"
 137                                 EXPORT_LDFLAGS="-Wl,-R$libdir"
 138                         fi
 139                         ;;
 140                 linux* | gnu*)
 141                         # Linux, and HURD...
 142                         if test $exec_prefix != /usr; then
 143                                 DSOFLAGS="-Wl,-rpath,$libdir $DSOFLAGS"
 144                                 LDFLAGS="$LDFLAGS -Wl,-rpath,$libdir"
 145                                 EXPORT_LDFLAGS="-Wl,-rpath,$libdir"
 146                         fi
 147                         ;;
 148         esac
 149 else
 150         DSOLIBS=""
 151         IMGLIBS="\$(LIBZ)"
 152 fi
 153
 154 AC_SUBST(DSOLIBS)
 155 AC_SUBST(IMGLIBS)
 156 AC_SUBST(EXPORT_LDFLAGS)