kc3-lang/libffi

diff --git a/include/Makefile.am b/include/Makefile.am
index c59df9f..5f0d406 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -3,7 +3,7 @@
 AUTOMAKE_OPTIONS=foreign
 
 DISTCLEANFILES=ffitarget.h
-noinst_HEADERS=ffi_common.h ffi_cfi.h
+noinst_HEADERS=ffi_common.h ffi_cfi.h tramp.h
 EXTRA_DIST=ffi.h.in
 
 nodist_include_HEADERS = ffi.h ffitarget.h
diff --git a/include/ffi_cfi.h b/include/ffi_cfi.h
index 244ce57..f4c292d 100644
--- a/include/ffi_cfi.h
+++ b/include/ffi_cfi.h
@@ -2,6 +2,27 @@
    ffi_cfi.h - Copyright (c) 2014  Red Hat, Inc.
 
    Conditionally assemble cfi directives. Only necessary for building libffi.
+
+   Permission is hereby granted, free of charge, to any person
+   obtaining a copy of this software and associated documentation
+   files (the ``Software''), to deal in the Software without
+   restriction, including without limitation the rights to use, copy,
+   modify, merge, publish, distribute, sublicense, and/or sell copies
+   of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+
    ----------------------------------------------------------------------- */
 
 #ifndef FFI_CFI_H
diff --git a/include/ffi_common.h b/include/ffi_common.h
index d3db33a..20aa756 100644
--- a/include/ffi_common.h
+++ b/include/ffi_common.h
@@ -5,6 +5,27 @@
                   
    Common internal definitions and macros. Only necessary for building
    libffi.
+
+   Permission is hereby granted, free of charge, to any person
+   obtaining a copy of this software and associated documentation
+   files (the ``Software''), to deal in the Software without
+   restriction, including without limitation the rights to use, copy,
+   modify, merge, publish, distribute, sublicense, and/or sell copies
+   of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+
    ----------------------------------------------------------------------- */
 
 #ifndef FFI_COMMON_H
diff --git a/include/tramp.h b/include/tramp.h
index cc096a4..e14e463 100644
--- a/include/tramp.h
+++ b/include/tramp.h
@@ -2,6 +2,27 @@
    ffi_tramp.h - Copyright (C) 2021  Microsoft, Inc.
 
    Static trampoline definitions.
+
+   Permission is hereby granted, free of charge, to any person
+   obtaining a copy of this software and associated documentation
+   files (the ``Software''), to deal in the Software without
+   restriction, including without limitation the rights to use, copy,
+   modify, merge, publish, distribute, sublicense, and/or sell copies
+   of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+
    ----------------------------------------------------------------------- */
 
 #ifndef FFI_TRAMP_H