Makefile: check errors from cargo doc

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/Makefile b/Makefile
index 168fba5d36b66eb106dac32c371a4e01305b1062..e4171bff3de698b306786d081c377d3db18313be 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -218,6 +218,7 @@ stamp/cargo-wdt.debug: $(call rsrcs,.)
        $(stamp)
 
 stamp/cargo.doc: $(call rsrcs,.)
+       set -o pipefail -e; \
        $(CARGO) doc $(CARGO_DOC_OPTS) --workspace 2>&1 |egrep -vf .cargo-doc-suppress-errors
        $(stamp)