diff --git a/toolchain.yaml b/toolchain.yaml
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+# Document type identifier
+document: modulemd
+# Module metadata format version
+version: 1
+data:
+    # Module name, optional
+    # Typically filled in by the buildsystem, using the VCS repository
+    # name as the name of the module.
+    name: toolchain
+    # Module update stream, optional
+    # Typically filled in by the buildsystem, using the VCS branch name
+    # as the name of the stream.
+    stream: 1
+    # Module version, integer, optional, cannot be negative
+    # Typically filled in by the buildsystem, using the VCS commit
+    # timestamp.  Module version defines upgrade path for the particular
+    # update stream.
+    version: 1
+    # A short summary describing the module, required
+    summary: Platform for building C and C++ applications
+    # A verbose description of the module, required
+    description: >
+        Fedora variant of Developer Toolset's C/C++ Toolchain from Software Collections
+    # Module and content licenses in the Fedora license identifier
+    # format, required
+    license:
+        # Module license, required
+        # This list covers licenses used for the module metadata, SPEC
+        # files or extra patches
+        module:
+            - MIT
+        # Content license, optional
+        # A list of licenses used by the packages in the module.
+        # This should be populated by build tools.
+        content: []
+    # Extensible metadata block
+    # A dictionary of user-defined keys and values.
+    # Optional.  Defaults to an empty dictionary.
+    xmd: {}
+    # Module dependencies, if any.  Optional.
+    # TODO: Provides, conflicts, obsoletes, recommends, etc.
+    # TODO: Stream name globbing or regular expression support
+    dependencies:
+        # Build dependencies of this module, optional
+        # Keys are module names, values are the stream names
+        # These modules define the buildroot for this module
+        buildrequires:
+            bootstrap: master
+        # Run-time dependencies of this module, optional
+        # Keys are module names, values are their stream names
+        requires: []
+    # References to external resources, typically upstream, optional
+    references:
+        # Upstream community website, if it exists, optional
+        community: http://www.example.com/
+        # Upstream documentation, if it exists, optional
+        documentation: http://www.example.com/
+        # Upstream bug tracker, if it exists, optional
+        tracker: http://www.example.com/
+    # Profiles define the end user's use cases for the module and consist
+    # of package lists of components to be installed by default if this
+    # module is enabled.  The keys here are the profile names and contain
+    # package lists by component type. See the example.
+    # Optional, defaults to no profile definitions.
+    # TODO: Profiles deserve detailed documentation.
+    profiles:
+        # The default profile, used unless any other profile was selected.
+        # Optional, defaults to empty lists.
+        default:
+            rpms:
+                - gcc
+                - gcc-c++
+                - gcc-gfortran
+                - gdb
+                - make
+    # Module API
+    # TODO: Define more API types
+    api:
+        # The module's public RPM-level API.
+        # A list of binary RPM names that are considered to be the
+        # main and stable feature of the module; binary RPMs not listed
+        # here are considered "unsupported" or "implementation details".
+        # In the example here we don't list the xyz package as it's only
+        # included as a dependency of xxx.  However, we list a subpackage
+        # of bar, bar-extras.
+        # Optional, defaults to an empty list.
+        rpms:
+            - gcc
+            - gcc-c++
+            - gcc-gfortran
+            - gdb
+            - make
+    # Module component filters
+    filter:
+        # RPM names not to be included in the module.
+        # By default, all built binary RPMs are included.  In the example
+        # we exclude a subpackage of bar, bar-nonfoo from our module.
+        # Optional, defaults to an empty list.
+        rpms: []
+    # Functional components of the module, optional
+    components:
+        # RPM content of the module, optional
+        # Keys are the VCS/SRPM names, values dictionaries holding
+        # additional information.
+        # TODO: Define architectures to build for
+        rpms:
+            gcc:
+                ref: f26
+            gdb:
+                ref: f26
+            make:
+                ref: f26
+            gcc-gfortran:
+                ref: f26
+            gcc-c++:
+                ref: f26
+        # Module content of this module
+        # Included modules are built in the shared buildroot, together with
+        # other included content.  Keys are module names, values additional
+        # component information.
+        # Optional
+        modules: {}