Christian Helmuth d182b20705 build: ensure rules with pipes might fail
.SHELLFLAGS is extended by option pipefail to make pipes fail if any pipe
element fails. As .SHELLFLAGS is exported into sub-make instances it
must be unexported before calling third-party build systems recursively.
2022-03-21 13:43:13 +01:00
..
2021-07-28 11:24:56 +02:00
2022-01-19 12:35:49 +01:00