As Dmitry described in [1] changelog the current way of detecting
-s option is broken for new make.
Changing the tools/build -s option detection the same way as it was
fixed for root Makefile in [1].
[1] 4bf73588165b ("kbuild: Port silent mode detection to future gnu make.")
Cc: Dmitry Goncharov <dgoncharov@xxxxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/scripts/Makefile.include | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include
index ff527ac065cf..6fba29f3222d 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -136,7 +136,15 @@ else
NO_SUBDIR = :
endif
-ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
+# If the user is running make -s (silent mode), suppress echoing of commands
+# make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
+ifeq ($(filter 3.%,$(MAKE_VERSION)),)
+short-opts := $(firstword -$(MAKEFLAGS))
+else
+short-opts := $(filter-out --%,$(MAKEFLAGS))
+endif
+
+ifneq ($(findstring s,$(short-opts)),)
silent=1
endif
--
2.41.0
