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rust: Use grep -Ev rather than relying on GNU grep

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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 expressions which includes support for the '|' operator.

Signed-off-by: Matthew Maurer <mmaurer@google.com>
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Alice Ryhl <aliceryhl@google.com>
Link: https://lore.kernel.org/r/20230928201421.2296518-1-mmaurer@google.com
[ Reworded for typo. ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Matthew Maurer 2023-09-28 20:14:20 +00:00 committed by Miguel Ojeda
parent 45f97e6385
commit a7135d1075
1 changed files with 2 additions and 2 deletions
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4
rust/Makefile
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@ -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)