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
COGL should ship its own pkg-config file, obviously still pointing to Clutter's compiler flags and linking options, for COGL-specific variables that might be queried at configure time. For instance, it's easier (and less verbose) to do: PKG_CHECK_EXISTS([cogl-gl-1.0], [has_gl_backend=yes], [has_gl_backend=no]) Than doing: AC_MSG_CHECKING([for GL support in COGL]) cogl_backend=`$PKG_CONFIG --variable=cogl clutter-0.9` if test x$cogl_backend = xgl; then has_gl_backend=yes AC_MSG_RESULT([found]) else has_gl_backend=no AC_MSG_RESULT([not found]) fi