Change licensing

Public API lttng.h and liblttngctl.c is licensed LGPLv2.1.

The rest of the code is licensing GPLv2 and NOT later.

Signed-off-by: David Goulet <[email protected]>

LICENSE

@@ -0,0 +1,25 @@
+LTTng Toots licensing
+David Goulet <[email protected]>
+July 18, 2011
+
+* LGPLv2.1
+
+The library part is distributed under LGPLv2.1. See lgpl-2.1.txt for details.
+This applies to:
+
+-) lttng.h
+-) liblttngctl.c
+
+LGPL-compatible source code can statically use the library header using:
+
+#define _LGPL_SOURCE
+#include <lttng/lttng.h>
+
+Dynamic-only linking with the LGPL library is used if _LGPL_SOURCE is not
+defined. It permits relinking with newer versions of the library, which is
+required by the LGPL license.
+
+* GPLv2
+
+All remaining source code is distributed under the GPLv2 license. See
+gpl-2.0.txt for details. 

include/lttng-kconsumerd.h

@@ -4,8 +4,8 @@
  *
  * This program 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 2
- * of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation; only verion 2
+ * of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of

include/lttng-kernel.h

@@ -5,8 +5,8 @@
  *
  * This program 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 2
- * of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of

include/lttng-share.h

@@ -3,8 +3,8 @@
  *
  * This program 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 2
- * of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of

include/lttng/lttng.h

@@ -5,19 +5,24 @@
  *
  * Copyright (C) 2011 - David Goulet <[email protected]>
  *
- * This program 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 2
- * of the License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
+ * LGPL-compatible code should include this header with :
+ *
+ * #define _LGPL_SOURCE
+ * #include <lttng.h>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef _LTTNG_H

include/lttngerr.h

@@ -3,8 +3,8 @@
  *
  * This program 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 2
- * of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
  * 
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of