README change

1 files changed, 53 insertions, 0 deletions

diff --git a/gnuradio-core/src/lib/general/gr_constants.h b/gnuradio-core/src/lib/general/gr_constants.h
new file mode 100644
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+++ b/gnuradio-core/src/lib/general/gr_constants.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2009 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef INCLUDED_GR_CONSTANTS_H
+#define INCLUDED_GR_CONSTANTS_H
+
+#include <gr_core_api.h>
+#include <string>
+
+/*!
+ * \brief return ./configure --prefix argument.  Typically /usr/local
+ */
+GR_CORE_API const std::string gr_prefix();
+
+/*!
+ * \brief return ./configure --sysconfdir argument.  Typically $prefix/etc or /etc
+ */
+GR_CORE_API const std::string gr_sysconfdir();
+
+/*!
+ * \brief return preferences file directory.  Typically $sysconfdir/etc/conf.d
+ */
+GR_CORE_API const std::string gr_prefsdir();
+
+/*!
+ * \brief return date/time of build, as set when 'bootstrap' is run
+ */
+GR_CORE_API const std::string gr_build_date();
+
+/*!
+ * \brief return version string defined in configure.ac
+ */
+GR_CORE_API const std::string gr_version();
+
+#endif /* INCLUDED_GR_CONSTANTS_H */