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Subject[PATCH] rust: Use grep -Ev rather than relying on GNU grep
From
While GNU grep supports '\|' when in basic regular expression mode, not
all grep implementations do (notably toybox grep, used to build the
Android kernel, does not). Switching to grep -Ev enables extended
regular expresions which includes support for the '|' operator.

Signed-off-by: Matthew Maurer <mmaurer@google.com>
---
rust/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/Makefile b/rust/Makefile
index 87958e864be0..e6fb7cafc0bc 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -336,13 +336,13 @@ quiet_cmd_bindgen = BINDGEN $@
$(bindgen_target_cflags) $(bindgen_target_extra)

$(obj)/bindings/bindings_generated.rs: private bindgen_target_flags = \
- $(shell grep -v '^#\|^$$' $(srctree)/$(src)/bindgen_parameters)
+ $(shell grep -Ev '^#|^$$' $(srctree)/$(src)/bindgen_parameters)
$(obj)/bindings/bindings_generated.rs: $(src)/bindings/bindings_helper.h \
$(src)/bindgen_parameters FORCE
$(call if_changed_dep,bindgen)

$(obj)/uapi/uapi_generated.rs: private bindgen_target_flags = \
- $(shell grep -v '^#\|^$$' $(srctree)/$(src)/bindgen_parameters)
+ $(shell grep -Ev '^#|^$$' $(srctree)/$(src)/bindgen_parameters)
$(obj)/uapi/uapi_generated.rs: $(src)/uapi/uapi_helper.h \
$(src)/bindgen_parameters FORCE
$(call if_changed_dep,bindgen)
--
2.42.0.582.g8ccd20d70d-goog
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