curl: enable PACKAGECONFIG for HTTP/2 (nghttp2) on the target

Without HTTP/2 support, streaming installation is significantly slower. Signed-off-by: Jan Luebbe <[email protected]>
rauc · Jul 24, 2024 · 9876590 · 9876590
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diff --git a/recipes-support/curl/curl_%.bbappend b/recipes-support/curl/curl_%.bbappend
@@ -0,0 +1 @@
+require ${@bb.utils.contains('DISTRO_FEATURES', 'rauc', '${BPN}_rauc.inc', '', d)}
diff --git a/recipes-support/curl/curl_rauc.inc b/recipes-support/curl/curl_rauc.inc
@@ -0,0 +1,5 @@
+# HTTP/2 allows having multiple parallel (range-) requests in flight on the
+# same connection without requiring multiple TCP and TLS handshakes.
+# This speeds up adaptive updates a lot, since they work by making many
+# range-requests for parts of the update bundle.
+PACKAGECONFIG:append:class-target = " nghttp2"