Add tarball signing to Makefile

I managed to screw up the 3.13 signature doing it manually; the .asc file
contained a copy of the tarball data rather than being *just* the signature.

Add it to the Makefile and that should stop me screwing it up later.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/Makefile.am b/Makefile.am
index 9d688bf..acbfcb0 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -53,6 +53,11 @@ dist-hook: uncommitted-check
                echo "*** ERROR: Git checkout not at version v$(VERSION)"; exit 1; fi ; \
        fi
 
+sign-dist: dist
+       @for a in $(DIST_ARCHIVES); do \
+               gpg --default-key 67E2F359 --detach-sign -a $$a ; \
+       done
+
 tag: uncommitted-check
        @if git rev-parse --verify v$(VERSION) &> /dev/null; then \
                echo "*** ERROR: Version v$(VERSION) is already tagged"; exit 1; fi