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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id r6-20020a170903020600b0015e8d4eb269sm5538333plh.179.2022.05.23.13.02.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 13:02:26 -0700 (PDT) From: Kees Cook To: Guenter Roeck Cc: Kees Cook , kernel test robot , Masahiro Yamada , linux-kbuild@vger.kernel.org, Michal Marek , Nick Desaulniers , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH] gcc-plugins: Require utsrelease.h before scripts target Date: Mon, 23 May 2022 13:02:22 -0700 Message-Id: <20220523200222.711011-1-keescook@chromium.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1869; h=from:subject; bh=GvufeHy+78JEuMy54V3qf1lkpxWJzuF4fc5MMM9sDUA=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBii+hOQgjZLcYybo6E+6fZFSNl4P6DzSRlVieoLS1c ZBk5f82JAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYovoTgAKCRCJcvTf3G3AJotdD/ 9tBCJ+BAO1f0vaGeoG4fz9MdMs8860f0tO9BJ5fPPjTdsFI3/BRPuSpX3gdZlBMiqLGMqLnfftF/YK ETuHwf6csllm2QYdh/8xEKJPsE8D2l62UIG6jEcom/m+rCUEwINczP3g4XA8k128xQoLvbmgTPjJQa CckujR2b1DgTeS22cTwbQiyKJ4r1djNYnGzJHcE5lvJgjI1abmnu2XZtzq615s5LKeZgB1BYj4hGVP e1pkM9InkGT4nRqnDUaBUyTzn3rR/v0mdEbqpEbSdfhNUKyOH8zlLcpdJOP6HI9OH9eYnruOD9Q53Z ktMnUI9izbXeBZpLZ1bSsuy0YfMJeSVib9fMHq9R8lVzA4vJpEsPhv8z6DP2kLJ47OyVtbm1c36n2T X0ib7KFIYOleBWf9UyKna48h6AVPxZ+48RQqWRwF6o5VkJilsIUNAB1j0h+Pcb9J9kNzrSMPphaq9G VIVClyLJ3JAQ1ITXGvyDNGL7iXz7cba2TtZ72yUYrimv3835DK2TsbjoN7qTPhD6mstLMn2h8h2g3O +LHg572+wMEKAMGHtgdfHDhmeqvZ1pvPedEZh1MINOpoMI6pVCEM9ARC75+a3/F+ECGAzaSAq7JG9e IO3Mrjhu3sTsYMuNoEI0zXJc6wSDDnIiO2vbUP/oMBV4+iM253n+gUta+adQ== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org The "utsrelease.h" target was in parallel with the "scripts" target, which meant -j1 or unlucky parallel builds from a distclean state would fail to build the GCC plugins. Reported-by: kernel test robot Link: https://lore.kernel.org/linux-mm/202205230239.EZxeZ3Fv-lkp@intel.com Reported-by: Guenter Roeck Link: https://lore.kernel.org/lkml/YouX6g1T7w3FDeM8@cmpxchg.org Fixes: 61f60bac8c05 ("gcc-plugins: Change all version strings match kernel") Cc: Guenter Roeck Cc: Masahiro Yamada Cc: linux-kbuild@vger.kernel.org Signed-off-by: Kees Cook --- Makefile | 2 +- scripts/gcc-plugins/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 91c91fcf3c24..c04420d5aa3d 100644 --- a/Makefile +++ b/Makefile @@ -1175,7 +1175,7 @@ include/config/kernel.release: FORCE # Carefully list dependencies so we do not try to build scripts twice # in parallel PHONY += scripts -scripts: scripts_basic scripts_dtc +scripts: include/generated/utsrelease.h scripts_basic scripts_dtc $(Q)$(MAKE) $(build)=$(@) # Things we need to do before we recursively start building the kernel diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile index 6f0aecad5d67..c29334669a16 100644 --- a/scripts/gcc-plugins/Makefile +++ b/scripts/gcc-plugins/Makefile @@ -64,5 +64,5 @@ $(foreach m, $(notdir $(plugin-multi)), $(eval $(obj)/$m: $(addprefix $(obj)/, $ quiet_cmd_plugin_cxx_o_c = HOSTCXX $@ cmd_plugin_cxx_o_c = $(HOSTCXX) $(plugin_cxxflags) -c -o $@ $< -$(plugin-objs): $(obj)/%.o: $(src)/%.c FORCE +$(plugin-objs): $(obj)/%.o: $(src)/%.c $(objdir)/include/generated/utsrelease.h FORCE $(call if_changed_dep,plugin_cxx_o_c) -- 2.32.0