linux-kernel - [PATCH v1 2/3] objtool: Properly support make V=1

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Message-Id: <20221117220339.341290-3-irogers@google.com>
Date:   Thu, 17 Nov 2022 14:03:38 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Cc:     Stephane Eranian <eranian@...gle.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>
Subject: [PATCH v1 2/3] objtool: Properly support make V=1

The Q variable was being used but never correctly set up. Add the
setting up and use in place of @.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/objtool/Makefile | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index a3b55c807a51..6b6c20ba5160 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -47,6 +47,12 @@ CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
 AWK = awk
 MKDIR = mkdir
 
+ifeq ($(V),1)
+  Q =
+else
+  Q = @
+endif
+
 BUILD_ORC := n
 
 ifeq ($(SRCARCH),x86)
@@ -58,18 +64,18 @@ export srctree OUTPUT CFLAGS SRCARCH AWK
 include $(srctree)/tools/build/Makefile.include
 
 $(OBJTOOL_IN): fixdep FORCE
-	@$(CONFIG_SHELL) ./sync-check.sh
-	@$(MAKE) $(build)=objtool
+	$(Q)$(CONFIG_SHELL) ./sync-check.sh
+	$(Q)$(MAKE) $(build)=objtool
 
 $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
 	$(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
 
 
 $(LIBSUBCMD_OUTPUT):
-	@$(MKDIR) -p $@
+	$(Q)$(MKDIR) -p $@
 
 $(LIBSUBCMD): fixdep FORCE $(LIBSUBCMD_OUTPUT)
-	@$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \
+	$(Q)$(MAKE) -C $(LIBSUBCMD_DIR) O=$(LIBSUBCMD_OUTPUT) \
 		DESTDIR=$(LIBSUBCMD_DESTDIR) prefix= \
 		$@ install_headers
 
-- 
2.38.1.584.g0f3c55d4c2-goog