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[2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id p26-20020a056402045a00b004610899742asm4177918edw.13.2022.12.19.02.32.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Dec 2022 02:32:52 -0800 (PST) From: =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= To: git@vger.kernel.org Cc: Junio C Hamano , Johannes Schindelin , Phillip Wood , Victoria Dye , Eric Sunshine , =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBC?= =?utf-8?b?amFybWFzb24=?= Subject: [PATCH 1/2] cmake: use "-S" and "-B" to specify source and build directories Date: Mon, 19 Dec 2022 11:32:45 +0100 Message-Id: X-Mailer: git-send-email 2.39.0.1071.g97ce8966538 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Rather than the multi-line "mkdir/cd/cmake" recipe provide an equivalent one-liner using the "-S" and "-B" options, and then suggest building with "make -C ". The rest of these instructions discuss e.g. running tests from our top-level "t/" directory, so it's more helpful to avoid changing the user's current directory. The "-S" and "-B" options were added in cmake v3.13.0, which is older than the version we have a hard dependency on[1]. As an aside, the "-p" flag to "mkdir" in the pre-image wasn't needed, as "contrib/buildsystems" is tracked 1. 061c2240b1b (Introduce CMake support for configuring Git, 2020-06-12) Signed-off-by: Ævar Arnfjörð Bjarmason --- contrib/buildsystems/CMakeLists.txt | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt index 8f8b6f375f7..5b22a9b217f 100644 --- a/contrib/buildsystems/CMakeLists.txt +++ b/contrib/buildsystems/CMakeLists.txt @@ -16,9 +16,7 @@ though, therefore the `File>Open>Folder...` option is preferred. Instructions to run CMake manually: - mkdir -p contrib/buildsystems/out - cd contrib/buildsystems/out - cmake ../ -DCMAKE_BUILD_TYPE=Release + cmake -S contrib/buildsystems -B contrib/buildsystems/out -DCMAKE_BUILD_TYPE=Release This will build the git binaries in contrib/buildsystems/out directory (our top-level .gitignore file knows to ignore contents of @@ -36,8 +34,8 @@ NOTE: -DCMAKE_BUILD_TYPE is optional. For multi-config generators like Visual St this option is ignored This process generates a Makefile(Linux/*BSD/MacOS) , Visual Studio solution(Windows) by default. -Run `make` to build Git on Linux/*BSD/MacOS. -Open git.sln on Windows and build Git. +Run `make -C contrib/buildsystems/out` to build Git on Linux/*BSD/MacOS. +Open contrib/buildsystems/git.sln on Windows and build Git. NOTE: By default CMake uses Makefile as the build tool on Linux and Visual Studio in Windows, to use another tool say `ninja` add this to the command line when configuring.