m4/check_x_extension.m4

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