From ae433fbe033b5bb5fde7e5c811afe796e35d8e05 Mon Sep 17 00:00:00 2001
From: Yashas Ambati <yashas.amb@gmail.com>
Date: Wed, 19 Feb 2025 22:51:52 -0500
Subject: [PATCH] Create initial workflow for cibuildwheel

---
 .github/workflows/build-cibw.yml      | 53 +++++++++++++++++++++++++++
 .gitignore                            |  2 +-
 build_tools/wheels/build_wheels.sh    |  7 ++++
 build_tools/wheels/cibw_before_all.sh | 28 ++++++++++++++
 4 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 .github/workflows/build-cibw.yml
 create mode 100644 build_tools/wheels/build_wheels.sh
 create mode 100644 build_tools/wheels/cibw_before_all.sh

diff --git a/.github/workflows/build-cibw.yml b/.github/workflows/build-cibw.yml
new file mode 100644
index 000000000..ef9603719
--- /dev/null
+++ b/.github/workflows/build-cibw.yml
@@ -0,0 +1,53 @@
+name: Build Wheels (cibuildwheel)
+
+on: [workflow_dispatch]
+
+jobs:
+  build_wheels:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            python_version: "3.10"
+            cibw_python_version: 310
+            platform_id: manylinux_x86_64
+            manylinux_image: manylinux2014
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python_version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python_version }}
+
+      - name: Install Dependencies
+        run: |
+          sudo apt-get install -y wget libicu-dev python3-pip python3-setuptools libboost-all-dev ninja-build
+          python3 -m pip install -r python/dev_requirements.txt
+
+      - name: Run CMake
+        run: |
+          cmake .. -DGTSAM_BUILD_PYTHON=1 -DGTSAM_PYTHON_VERSION=${{ matrix.python_version }}
+
+      - name: Build and test wheels
+        env:
+          CIBW_BUILD: cp${{ matrix.cibw_python_version }}-${{ matrix.platform_id }}
+          CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux_image }}
+          CIBW_ARCHS: all
+
+          CIBW_BUILD_FRONTEND: "build"
+          CIBW_BEFORE_ALL: bash {project}/build_tools/wheels/cibw_before_all.sh ${{ matrix.python_version }} {project}
+
+          CIBW_BUILD_VERBOSITY: 1
+
+        run: bash {project}/build_tools/wheels/build_wheels.sh
+
+      - name: Store artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: cibw-wheels-cp${{ matrix.cibw_python_version }}-${{ matrix.platform_id }}
+          path: wheelhouse/*.whl
diff --git a/.gitignore b/.gitignore
index 7496190b5..bca6a479f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-/build*
+/build
 /debug*
 .idea
 *.pyc
diff --git a/build_tools/wheels/build_wheels.sh b/build_tools/wheels/build_wheels.sh
new file mode 100644
index 000000000..b8f0750a3
--- /dev/null
+++ b/build_tools/wheels/build_wheels.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -e
+set -x
+
+python -m pip install cibuildwheel
+python -m cibuildwheel build/python --output-dir wheelhouse
\ No newline at end of file
diff --git a/build_tools/wheels/cibw_before_all.sh b/build_tools/wheels/cibw_before_all.sh
new file mode 100644
index 000000000..0607a67ac
--- /dev/null
+++ b/build_tools/wheels/cibw_before_all.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -e
+set -x
+
+PYTHON_VERSION="$1"
+PROJECT_DIR="$2"
+
+export PYTHON="python${PYTHON_VERSION}"
+
+rm -rf /build/python
+
+export CMAKE_GENERATOR=Ninja
+cmake $PROJECT_DIR \
+    -B build \
+    -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} \
+    -DGTSAM_BUILD_TESTS=OFF \
+    -DGTSAM_BUILD_UNSTABLE=${GTSAM_BUILD_UNSTABLE:-ON} \
+    -DGTSAM_USE_QUATERNIONS=OFF \
+    -DGTSAM_WITH_TBB=${GTSAM_WITH_TBB:-OFF} \
+    -DGTSAM_BUILD_EXAMPLES_ALWAYS=OFF \
+    -DGTSAM_BUILD_WITH_MARCH_NATIVE=OFF \
+    -DGTSAM_BUILD_PYTHON=ON \
+    -DGTSAM_UNSTABLE_BUILD_PYTHON=${GTSAM_BUILD_UNSTABLE:-ON} \
+    -DGTSAM_PYTHON_VERSION=$PYTHON_VERSION \
+    -DPYTHON_EXECUTABLE:FILEPATH=$(which $PYTHON) \
+    -DGTSAM_ALLOW_DEPRECATED_SINCE_V43=OFF \
+    -DCMAKE_INSTALL_PREFIX=$PROJECT_DIR/gtsam_install
\ No newline at end of file