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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=66.163.184.151; envelope-from=stilor@att.net; helo=sonic309-25.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 22 Jul 2021 02:20:59 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Neyman Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @att.net) X-ZM-MESSAGEID: 1626934917868100001 Content-Type: text/plain; charset="utf-8" When searching for options like -n in MAKEFLAGS, current code may result in a false positive match when make is invoked with long options like --no-print-directory. This has been observed with certain versions of host make (e.g. 3.82) while building the Qemu package in buildroot. Filter out such long options before searching for one-character options. Signed-off-by: Alexey Neyman --- Makefile | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 6c36330eef..401c623a65 100644 --- a/Makefile +++ b/Makefile @@ -129,9 +129,11 @@ endif # 4. Rules to bridge to other makefiles =20 ifneq ($(NINJA),) -MAKE.n =3D $(findstring n,$(firstword $(MAKEFLAGS))) -MAKE.k =3D $(findstring k,$(firstword $(MAKEFLAGS))) -MAKE.q =3D $(findstring q,$(firstword $(MAKEFLAGS))) +# Filter out long options to avoid flags like --no-print-directory which +# may result in false positive match for MAKE.n +MAKE.n =3D $(findstring n,$(firstword $(filter-out --%,$(MAKEFLAGS)))) +MAKE.k =3D $(findstring k,$(firstword $(filter-out --%,$(MAKEFLAGS)))) +MAKE.q =3D $(findstring q,$(firstword $(filter-out --%,$(MAKEFLAGS)))) MAKE.nq =3D $(if $(word 2, $(MAKE.n) $(MAKE.q)),nq) NINJAFLAGS =3D $(if $V,-v) $(if $(MAKE.n), -n) $(if $(MAKE.k), -k0) \ $(filter-out -j, $(lastword -j1 $(filter -l% -j%, $(MAKEFLAGS)))) \ --=20 2.27.0