relicense: replace LGPL headers with Apache-2.0/MIT SPDX headers

- remove the old LGPL license headers from all files in Spack
- add SPDX headers to all files
  - core and most packages are (Apache-2.0 OR MIT)
  - a very small number of remaining packages are LGPL-2.1-only

13 files changed, 67 insertions, 69 deletions

diff --git a/share/spack/csh/pathadd.csh b/share/spack/csh/pathadd.csh
index 1e0800c5f3..5e94d4a4c0 100644
--- a/share/spack/csh/pathadd.csh
+++ b/share/spack/csh/pathadd.csh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ########################################################################
 # Prepends directories to path, if they exist.
 #      pathadd /path/to/dir            # add to PATH
diff --git a/share/spack/csh/spack.csh b/share/spack/csh/spack.csh
index bf23ab9ff3..a78665beb3 100644
--- a/share/spack/csh/spack.csh
+++ b/share/spack/csh/spack.csh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ########################################################################
 # This is a wrapper around the spack command that forwards calls to
 # 'spack use' and 'spack unuse' to shell functions.  This in turn
diff --git a/share/spack/docker/build/common/handle-prompt.sh b/share/spack/docker/build/common/handle-prompt.sh
index 2faf38d627..5a4910e3fa 100644
--- a/share/spack/docker/build/common/handle-prompt.sh
+++ b/share/spack/docker/build/common/handle-prompt.sh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 __tmp="`mktemp -d`"
 
 __trylock() {
diff --git a/share/spack/docker/build/common/handle-ssh.sh b/share/spack/docker/build/common/handle-ssh.sh
index f13c10e212..f2139897cb 100644
--- a/share/spack/docker/build/common/handle-ssh.sh
+++ b/share/spack/docker/build/common/handle-ssh.sh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 uid="`id -u`"
 if [ "$uid" '=' '0' ] ; then
     for key_type in dsa ecdsa ed25519 rsa ; do
diff --git a/share/spack/docs/docker/module-file-tutorial/spack.sh b/share/spack/docs/docker/module-file-tutorial/spack.sh
index 54d095c717..a59bc7575f 100644
--- a/share/spack/docs/docker/module-file-tutorial/spack.sh
+++ b/share/spack/docs/docker/module-file-tutorial/spack.sh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 source $SPACK_ROOT/share/spack/setup-env.sh
 
 LMOD_DIR=$(spack location -i lmod)
diff --git a/share/spack/qa/run-build-tests b/share/spack/qa/run-build-tests
index 5772632234..315c0b8e99 100755
--- a/share/spack/qa/run-build-tests
+++ b/share/spack/qa/run-build-tests
@@ -1,5 +1,11 @@
 #!/bin/bash -e
 #
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+#
 # Description:
 #     Runs Spack build smoke tests.  This installs a few packages that
 #     cover different parts of the build system.  It is not an exhaustive
diff --git a/share/spack/qa/run-doc-tests b/share/spack/qa/run-doc-tests
index c43779fcaf..6129243676 100755
--- a/share/spack/qa/run-doc-tests
+++ b/share/spack/qa/run-doc-tests
@@ -1,5 +1,11 @@
 #!/bin/bash -e
 #
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+#
 # Description:
 #     Builds Spack documentation and checks for
 #     possible syntax errors. Treats warnings as
diff --git a/share/spack/qa/run-flake8-tests b/share/spack/qa/run-flake8-tests
index 29fc15f9d7..1b9beb4d16 100755
--- a/share/spack/qa/run-flake8-tests
+++ b/share/spack/qa/run-flake8-tests
@@ -1,5 +1,11 @@
 #!/bin/bash -e
 #
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+#
 # Description:
 #     Runs source code style checks on Spack.
 #     See $SPACK_ROOT/.flake8 for a list of
diff --git a/share/spack/qa/run-unit-tests b/share/spack/qa/run-unit-tests
index d96144f28a..7aae551f03 100755
--- a/share/spack/qa/run-unit-tests
+++ b/share/spack/qa/run-unit-tests
@@ -1,5 +1,11 @@
 #!/bin/bash -e
 #
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+#
 # Description:
 #     Runs Spack unit tests.
 #
diff --git a/share/spack/qa/setup.sh b/share/spack/qa/setup.sh
index 029743f681..4f40904433 100755
--- a/share/spack/qa/setup.sh
+++ b/share/spack/qa/setup.sh
@@ -1,5 +1,11 @@
 #!/bin/bash -e
 #
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+#
 # Description:
 #     Common setup code to be sourced by Spack's test scripts.
 #
diff --git a/share/spack/setup-env.csh b/share/spack/setup-env.csh
index cf1059a28f..cb45f8f74c 100755
--- a/share/spack/setup-env.csh
+++ b/share/spack/setup-env.csh
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program 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) version 2.1, February 1999.
-#
-# This program 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 terms and
-# conditions of 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 program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 #
 # This file is part of Spack and sets up the spack environment for
diff --git a/share/spack/setup-env.sh b/share/spack/setup-env.sh
index daa0000977..97de19e4c9 100755
--- a/share/spack/setup-env.sh
+++ b/share/spack/setup-env.sh
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program 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) version 2.1, February 1999.
-#
-# This program 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 terms and
-# conditions of 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 program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 ########################################################################
 #
diff --git a/share/spack/spack-completion.bash b/share/spack/spack-completion.bash
index 40a13dfbca..c157d836a4 100755
--- a/share/spack/spack-completion.bash
+++ b/share/spack/spack-completion.bash
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program 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) version 2.1, February 1999.
-#
-# This program 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 terms and
-# conditions of 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 program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 # The following global variables are used/set by Bash programmable completion
 #     COMP_CWORD: An index into ${COMP_WORDS} of the word containing the