[gnome-build-meta/jjardon/336_abicheck_part1] Add necessary elements to make the ABI comparison

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 6b1d8a4d6736d16c03273e2e0526357189ab36c7
Author: Javier Jardón <jjardon gnome org>
Date:   Fri Apr 17 14:14:15 2020 +0100

    Add necessary elements to make the ABI comparison

 elements/abi/abi-image.bst   |  5 +++++
 elements/abi/sdk-headers.bst | 12 ++++++++++++
 2 files changed, 17 insertions(+)
---
diff --git a/elements/abi/abi-image.bst b/elements/abi/abi-image.bst
new file mode 100644
index 00000000..2c16e346
--- /dev/null
+++ b/elements/abi/abi-image.bst
@@ -0,0 +1,5 @@
+kind: stack
+
+depends:
+- filename: flatpak/platform-image.bst
+- filename: abi/sdk-headers.bst
diff --git a/elements/abi/sdk-headers.bst b/elements/abi/sdk-headers.bst
new file mode 100644
index 00000000..aa1ecb25
--- /dev/null
+++ b/elements/abi/sdk-headers.bst
@@ -0,0 +1,12 @@
+kind: manual
+
+description: Extract the library headers from the desktop Sdk.
+
+depends:
+- filename: flatpak/sdk-image.bst
+  type: build
+
+config:
+  install-commands:
+  - mkdir -p %{install-root}%{includedir}
+  - cp -a %{includedir}/* %{install-root}%{includedir}