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Wed, 2 Sep 2026 02:25:49 -0400 (EDT) From: Junio C Hamano To: "Johannes Schindelin via GitGitGadget" Cc: git@vger.kernel.org, Patrick Steinhardt , Johannes Schindelin Subject: Re: [PATCH 1/2] rust: pick a GCC-compatible Cargo target under MSYS2/MinGW In-Reply-To: <2b7f58a037592325c2cb9b52bf8f1ef434bd6202.1788272509.git.gitgitgadget@gmail.com> (Johannes Schindelin via GitGitGadget's message of "Tue, 01 Sep 2026 14:21:48 +0000") References: <2b7f58a037592325c2cb9b52bf8f1ef434bd6202.1788272509.git.gitgitgadget@gmail.com> Date: Tue, 01 Sep 2026 23:25:48 -0700 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain "Johannes Schindelin via GitGitGadget" writes: > + ifneq (,$(filter %ARM64, $(MSYSTEM))) > + HOST_CPU = aarch64 > + else ifneq (,$(filter %32, $(MSYSTEM))) > + HOST_CPU = i686 > + else > + HOST_CPU = x86_64 > + endif > + ifneq (,$(filter CLANG%, $(MSYSTEM))) > + CARGO_TARGET = $(HOST_CPU)-pc-windows-gnullvm > + else > + CARGO_TARGET = $(HOST_CPU)-pc-windows-gnu > + endif Assuming HOST_CPU is x86_64 in the above, as UCRT64, unlike CLANG{ARM64,64,32}, does not match CLANG%, I presume that the above gives "x86_64-pc-windows-gnu" to builds with MSYSTEM set to UCRT64. There is this "we only need MINGW64 but the switch to UCRT64 is imminent, and others are for documentation" part we see in the [PATCH 2/2] + case "$MSYSTEM" in + CLANGARM64) target=aarch64-pc-windows-gnullvm ;; + CLANG64) target=x86_64-pc-windows-gnullvm ;; + CLANG32) target=i686-pc-windows-gnullvm ;; + UCRT64) target=x86_64-pc-windows-gnullvm ;; + MINGW64) target=x86_64-pc-windows-gnu ;; + MINGW32) target=i686-pc-windows-gnu ;; + *) echo "::error::Unsupported MSYSTEM: $MSYSTEM"; exit 1 ;; + esac && + rustup target add "$target" && that maps UCRT64 to "x86_64-pc-windows-gnullvm" I do not know if it is intended. If so, please ignore. Thanks.