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Thu, 14 May 2026 02:32:39 -0700 (PDT) Received: from ho-tower-lan.lan ([185.48.77.170]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da0fe0fecsm5097164f8f.26.2026.05.14.02.32.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2026 02:32:39 -0700 (PDT) From: James Clark Date: Thu, 14 May 2026 10:32:13 +0100 Subject: [PATCH 6/6] tools/build: selftests: Remove some duplicate toolchain definitions Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260514-james-perf-llvm-version-v1-6-6cac1a9a4c8d@linaro.org> References: <20260514-james-perf-llvm-version-v1-0-6cac1a9a4c8d@linaro.org> In-Reply-To: <20260514-james-perf-llvm-version-v1-0-6cac1a9a4c8d@linaro.org> To: Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Jiri Kosina , Benjamin Tissoires , Shuah Khan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Andrii Nakryiko , Eduard Zingerman , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Kumar Kartikeya Dwivedi , Song Liu , Yonghong Song Cc: linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-input@vger.kernel.org, linux-kselftest@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, James Clark , leo.yan@arm.com X-Mailer: b4 0.14.0 Try to remove some, but not all duplicate toolchain definitions. In these instances, their makefiles already include tools/scripts/Makefile.include which defines these in a consistent way. STRIP is the only one that was set with an '=', but I don't think it was significant so that difference can be dropped. Signed-off-by: James Clark --- tools/bpf/resolve_btfids/Makefile | 3 --- tools/lib/api/Makefile | 4 ---- tools/lib/subcmd/Makefile | 4 ---- tools/lib/symbol/Makefile | 4 ---- tools/perf/Makefile.perf | 6 ------ tools/testing/selftests/bpf/Makefile | 1 - 6 files changed, 22 deletions(-) diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index 7672208f65e4..6fdb6302e0a2 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -20,9 +20,6 @@ HOST_OVERRIDES := AR="$(HOSTAR)" CC="$(HOSTCC)" LD="$(HOSTLD)" ARCH="$(HOSTARCH) CROSS_COMPILE="" CLANG_CROSS_FLAGS="" EXTRA_CFLAGS="$(HOSTCFLAGS)" RM ?= rm -HOSTCC ?= gcc -HOSTLD ?= ld -HOSTAR ?= ar HOSTPKG_CONFIG ?= pkg-config CROSS_COMPILE = diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index 8665c799e0fa..a228fdb5adba 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -9,10 +9,6 @@ srctree := $(patsubst %/,%,$(dir $(srctree))) #$(info Determined 'srctree' to be $(srctree)) endif -CC ?= $(CROSS_COMPILE)gcc -AR ?= $(CROSS_COMPILE)ar -LD ?= $(CROSS_COMPILE)ld - MAKEFLAGS += --no-print-directory INSTALL = install diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile index 8703ab487b68..9f1ddcf0504d 100644 --- a/tools/lib/subcmd/Makefile +++ b/tools/lib/subcmd/Makefile @@ -9,10 +9,6 @@ srctree := $(patsubst %/,%,$(dir $(srctree))) #$(info Determined 'srctree' to be $(srctree)) endif -CC ?= $(CROSS_COMPILE)gcc -LD ?= $(CROSS_COMPILE)ld -AR ?= $(CROSS_COMPILE)ar - RM = rm -f MAKEFLAGS += --no-print-directory diff --git a/tools/lib/symbol/Makefile b/tools/lib/symbol/Makefile index 426b845edfac..d692abe8add6 100644 --- a/tools/lib/symbol/Makefile +++ b/tools/lib/symbol/Makefile @@ -9,10 +9,6 @@ srctree := $(patsubst %/,%,$(dir $(srctree))) #$(info Determined 'srctree' to be $(srctree)) endif -CC ?= $(CROSS_COMPILE)gcc -AR ?= $(CROSS_COMPILE)ar -LD ?= $(CROSS_COMPILE)ld - MAKEFLAGS += --no-print-directory INSTALL = install diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 63276bf55856..948abfd2ee8d 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -174,11 +174,6 @@ endef LD += $(EXTRA_LDFLAGS) -HOSTCC ?= gcc -HOSTLD ?= ld -HOSTAR ?= ar -CLANG ?= clang - # Some distros provide the command $(CROSS_COMPILE)pkg-config for # searching packges installed with Multiarch. Use it for cross # compilation if it is existed. @@ -213,7 +208,6 @@ FIND = find INSTALL = install FLEX ?= flex BISON ?= bison -STRIP = strip AWK = awk # include Makefile.config by default and rule out diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 44ba829e5d4d..b3e356c34479 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -3,7 +3,6 @@ include ../../../build/Build.include include ../../../scripts/Makefile.arch include ../../../scripts/Makefile.include -CXX ?= $(CROSS_COMPILE)g++ OBJCOPY ?= $(CROSS_COMPILE)objcopy CURDIR := $(abspath .) -- 2.34.1