m4/check_x_extension.m4

   1 dnl use: ECORE_CHECK_X_EXTENSION(Foo, header, lib, func, want)
   2 AC_DEFUN([ECORE_CHECK_X_EXTENSION],
   3 [
   4 pushdef([UP], translit([$1], [a-z], [A-Z]))dnl
   5 pushdef([DOWN], translit([$1], [A-Z], [a-z]))dnl
   6
   7 UP[]_CFLAGS=""
   8 UP[]_LIBS=""
   9 use_[]DOWN="no"
  10
  11 if test "x$5" != "xno"; then
  12   SAVE_CFLAGS=$CFLAGS
  13   CFLAGS="$x_cflags $x_includes"
  14   AC_CHECK_HEADER(X11/extensions/$2,
  15     [
  16      AC_CHECK_LIB($3, $4,
  17        [
  18         AC_DEFINE(ECORE_[]UP, 1, [Build support for $1])
  19         UP[]_LIBS="-l$3"
  20         use_[]DOWN="yes"
  21        ],
  22        [ use_[]DOWN="no" ],
  23        [ $x_libs ]
  24      )
  25     ],
  26     [ use_[]DOWN="no" ],
  27     [ #include <X11/Xlib.h> ]
  28   )
  29   CFLAGS=$SAVE_CFLAGS
  30 else
  31   use_[]DOWN="no"
  32   AC_MSG_NOTICE([$1 support disabled])
  33 fi
  34
  35 AC_SUBST(UP[]_CFLAGS)
  36 AC_SUBST(UP[]_LIBS)
  37
  38 popdef([UP])
  39 popdef([DOWN])
  40 ])