autoconf/xpm.m4

   1 dnl> $Id: xpm.m4,v 1.2 2003-11-24 17:31:27 pcg Exp $
   2 dnl> test to find the hard-to-find libXpm
   3 dnl> mostly copied from AC_PATH_X & AC_PATH_DIRECT, but explictly set
   4
   5 AC_DEFUN(VT_FIND_LIBXPM,
   6 [
   7 AC_REQUIRE_CPP()
   8
   9 # Initialize some more variables set by options.
  10 # The variables have the same names as the options, with
  11 # dashes changed to underlines.
  12
  13 # If we find XPM, set shell vars xpm_includes and xpm_libraries to the
  14 # paths, otherwise set no_xpm=yes.
  15 # Uses ac_ vars as temps to allow command line to override cache and checks.
  16 AC_MSG_CHECKING(for libXpm)
  17
  18 AC_ARG_WITH(xpm_includes,
  19   [  --with-xpm-includes=DIR use XPM includes in DIR],
  20   xpm_includes="$withval", xpm_includes=NO)
  21 AC_ARG_WITH(xpm_library,
  22   [  --with-xpm-library=DIR  use XPM library in DIR],
  23   xpm_libraries="$withval", xpm_libraries=NO)
  24
  25 # --without-xpm overrides everything else, but does not touch the cache.
  26 AC_ARG_WITH(xpm,
  27   [  --with-xpm              use XPM])
  28 if test "$with_xpm" = no; then
  29   have_xpm=disabled
  30 else
  31   AC_CACHE_VAL(ac_cv_have_xpm, [
  32   vt_xpm_include_X11=no
  33   if test -n "$xpm_includes"; then
  34     vt_xpm_includes=$xpm_includes
  35   else
  36     vt_xpm_includes=NO
  37   fi
  38   if test -n "$xpm_libraries"; then
  39     vt_xpm_libraries=$xpm_libraries
  40   else
  41     vt_xpm_libraries=NO
  42   fi
  43
  44   VT_XPM_DIRECT
  45
  46   if test "$vt_xpm_includes" = NO -o "$vt_xpm_libraries" = NO; then
  47     ac_cv_have_xpm="have_xpm=no"
  48   else
  49     ac_cv_have_xpm="have_xpm=yes \
  50         vt_xpm_includes=$vt_xpm_includes vt_xpm_libraries=$vt_xpm_libraries \
  51         vt_xpm_include_X11=$vt_xpm_include_X11"
  52   fi])dnl
  53   eval "$ac_cv_have_xpm"
  54 fi
  55
  56 if test "$have_xpm" != yes; then
  57   AC_MSG_RESULT($have_xpm)
  58   no_xpm=yes
  59 else
  60   if test "$xpm_includes" != NO; then
  61     if test "$xpm_includes" = "$vt_xpm_includes"; then
  62       if test -r "$xpm_includes/X11/xpm.h"; then
  63         vt_xpm_include_X11=yes
  64       fi
  65     else
  66       vt_xpm_include_X11=no
  67       if test -z "$xpm_includes"; then
  68         AC_TRY_CPP([#include <X11/xpm.h>],
  69         vt_xpm_include_X11=yes)
  70       else
  71         if test -r "$xpm_includes/X11/xpm.h"; then
  72           vt_xpm_include_X11=yes
  73         fi
  74       fi
  75     fi
  76     vt_xpm_includes=$xpm_includes
  77   fi
  78   if test "x$xpm_libraries" != xNO; then
  79     vt_xpm_libraries=$xpm_libraries
  80   fi
  81   # Update the cache value to reflect the command line values.
  82   ac_cv_have_xpm="have_xpm=yes \
  83         vt_xpm_includes=$vt_xpm_includes vt_xpm_libraries=$vt_xpm_libraries \
  84         vt_xpm_include_X11=$vt_xpm_include_X11"
  85   eval "$ac_cv_have_xpm"
  86   AC_MSG_RESULT([-I$vt_xpm_includes, -L$vt_xpm_libraries])
  87   if test -n "$vt_xpm_includes"; then
  88     XPM_CPPFLAGS="-DHAVE_LIBXPM"
  89   fi
  90   if test -n "$vt_xpm_includes"; then
  91     XPM_CFLAGS="-I$vt_xpm_includes"
  92   fi
  93   XPM_LIBS="-lXpm"
  94   if test -n "$vt_xpm_libraries"; then
  95     XPM_LIBS="-L$vt_xpm_libraries $XPM_LIBS"
  96   fi
  97   if test "x$vt_xpm_include_X11" = xyes; then
  98     AC_DEFINE(XPM_INC_X11, 1, Define if you include <X11/xpm.h> on a normal include path (be careful))
  99   fi
 100 fi
 101
 102 AC_SUBST(XPM_CPPFLAGS)
 103 AC_SUBST(XPM_CFLAGS)
 104 AC_SUBST(XPM_LIBS)
 105 ])
 106
 107 dnl Internal subroutine of VT_FIND_LIBXPM
 108 dnl Set vt_xpm_include and vt_xpm_libr
 109 # -------------- find xpm.h and Xpm.a/Xpm.so/Xpm.sl
 110 AC_DEFUN(VT_XPM_DIRECT,
 111 [if test "$vt_xpm_includes" = NO; then
 112   # Guess where to find xpm.h
 113
 114 ac_save_CPPFLAGS="$CPPFLAGS"
 115 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 116
 117   # First, try using that file with no special directory specified.
 118 AC_TRY_CPP([#include <X11/xpm.h>],
 119 [# We can compile using X headers with no special include directory.
 120 vt_xpm_includes=
 121 vt_xpm_include_X11=yes],
 122 [CPPFLAGS="$ac_save_CPPFLAGS"
 123 # Look for the header file in a standard set of common directories.
 124   for ac_dir in               \
 125     /usr/X11/include          \
 126     /usr/X11R6/include        \
 127     /usr/X11R5/include        \
 128     /usr/X11R4/include        \
 129                               \
 130     /usr/include/X11          \
 131     /usr/include/X11R6        \
 132     /usr/include/X11R5        \
 133     /usr/include/X11R4        \
 134                               \
 135     /usr/local/X11/include    \
 136     /usr/local/X11R6/include  \
 137     /usr/local/X11R5/include  \
 138     /usr/local/X11R4/include  \
 139                               \
 140     /usr/local/include/X11    \
 141     /usr/local/include/X11R6  \
 142     /usr/local/include/X11R5  \
 143     /usr/local/include/X11R4  \
 144                               \
 145     /usr/X386/include         \
 146     /usr/x386/include         \
 147     /usr/XFree86/include/X11  \
 148                               \
 149     /usr/include              \
 150     /usr/local/include        \
 151     /usr/unsupported/include  \
 152     /usr/athena/include       \
 153     /usr/local/x11r5/include  \
 154     /usr/lpp/Xamples/include  \
 155                               \
 156     /usr/openwin/include      \
 157     /usr/openwin/share/include \
 158     ; \
 159   do
 160     if test -r "$ac_dir/X11/xpm.h"; then
 161       vt_xpm_includes="$ac_dir"
 162       vt_xpm_include_X11=yes
 163       break
 164     else
 165       if test -r "$ac_dir/xpm.h"; then
 166         vt_xpm_includes=$ac_dir
 167         break
 168       fi
 169     fi
 170   done])
 171 fi
 172
 173 if test "$vt_xpm_libraries" = NO; then
 174   # Check for the libraries.
 175
 176   # See if we find them without any special options.
 177   # Don't add to $LIBS permanently.
 178   ac_save_LIBS="$LIBS"
 179   LIBS="$LIBS $X_LIBS -lXpm -lX11"
 180 AC_TRY_LINK(, [XpmReadFileToPixmap()],
 181 [LIBS="$ac_save_LIBS"
 182 # We can link libXpm with no special library path.
 183 vt_xpm_libraries=],
 184 [LIBS="$ac_save_LIBS"
 185 # First see if replacing the include by lib works.
 186 for ac_dir in \
 187     `echo "$vt_xpm_includes" | sed 's,include/X11,lib,;s,include,lib,'` \
 188     /usr/X11/lib          \
 189     /usr/X11R6/lib        \
 190     /usr/X11R5/lib        \
 191     /usr/X11R4/lib        \
 192                           \
 193     /usr/lib/X11          \
 194     /usr/lib/X11R6        \
 195     /usr/lib/X11R5        \
 196     /usr/lib/X11R4        \
 197                           \
 198     /usr/local/X11/lib    \
 199     /usr/local/X11R6/lib  \
 200     /usr/local/X11R5/lib  \
 201     /usr/local/X11R4/lib  \
 202                           \
 203     /usr/local/lib/X11    \
 204     /usr/local/lib/X11R6  \
 205     /usr/local/lib/X11R5  \
 206     /usr/local/lib/X11R4  \
 207                           \
 208     /usr/X386/lib         \
 209     /usr/x386/lib         \
 210     /usr/XFree86/lib/X11  \
 211                           \
 212     /usr/lib              \
 213     /usr/local/lib        \
 214     /usr/unsupported/lib  \
 215     /usr/athena/lib       \
 216     /usr/local/x11r5/lib  \
 217     /usr/lpp/Xamples/lib  \
 218                           \
 219     /usr/openwin/lib      \
 220     /usr/openwin/share/lib \
 221     ; \
 222 do
 223 dnl XXX Shouldn't this really use AC_TRY_LINK to be portable & robust??
 224   for ac_extension in a so sl; do
 225     if test -r $ac_dir/libXpm.$ac_extension; then
 226       vt_xpm_libraries=$ac_dir
 227       break 2
 228     fi
 229   done
 230 done])
 231 fi
 232 ])