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AC_DEFUN([BB_ENABLE_DOXYGEN],
[
AC_ARG_ENABLE(doxygen, [--enable-doxygen enable documentation generation with doxygen (auto)])
if test "x$enable_doxygen" = xno; then
enable_doc=no
else
AC_PATH_PROG(DOXYGEN, doxygen, , $PATH)
if test x$DOXYGEN = x; then
if test "x$enable_doxygen" = xyes; then
AC_MSG_ERROR([could not find doxygen])
fi
enable_doc=no
else
enable_doc=yes
fi
fi
AM_CONDITIONAL(DOC, test x$enable_doc = xyes)
])
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