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authorMatthew Maurer <mmaurer@google.com>2023-09-28 20:14:20 +0000
committerMiguel Ojeda <ojeda@kernel.org>2023-10-15 21:56:26 +0200
commita7135d10754760f0c038497b44c2c2f2b0fb5651 (patch)
tree9a8d9a4a516ef94030638b019ed4925bd21e69ae /rust/Makefile
parent45f97e6385cad6d0e48a27ddcd08793bb4d35851 (diff)
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rust: Use grep -Ev rather than relying on GNU grep
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>
Diffstat (limited to 'rust/Makefile')
-rw-r--r--rust/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/rust/Makefile b/rust/Makefile
index c4e583e9e443..a27f35f924ec 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)