feat: establish reproducible FreeCAD web compatibility baseline

native/planegcs/build.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+FREECAD_SOURCE_DIR="${FREECAD_SOURCE_DIR:-${ROOT_DIR}/.cache/freecad/FreeCAD}"
+PLANEGCS_SOURCE_DIR="${FREECAD_SOURCE_DIR}/src/Mod/Sketcher/App/planegcs"
+DIST_DIR="${PLANEGCS_DIST_DIR:-${ROOT_DIR}/native/planegcs/dist}"
+PUBLIC_DIR="${PLANEGCS_PUBLIC_DIR:-${ROOT_DIR}/public/native/planegcs}"
+HOST_HEADERS_DIR="${ROOT_DIR}/.cache/bitbybit/planegcs-host-headers"
+
+if [[ ! -f "${PLANEGCS_SOURCE_DIR}/GCS.cpp" ]]; then
+  echo "Locked FreeCAD planegcs source not found: ${PLANEGCS_SOURCE_DIR}" >&2
+  exit 1
+fi
+if ! command -v em++ >/dev/null; then
+  echo "Emscripten em++ is required." >&2
+  exit 1
+fi
+if [[ ! -d /usr/include/eigen3 ]] || [[ ! -d /usr/include/boost ]]; then
+  echo "Eigen3 and Boost headers are required." >&2
+  exit 1
+fi
+
+mkdir -p "${DIST_DIR}" "${PUBLIC_DIR}" "${HOST_HEADERS_DIR}"
+if [[ ! -e "${HOST_HEADERS_DIR}/boost" ]]; then
+  ln -s /usr/include/boost "${HOST_HEADERS_DIR}/boost"
+fi
+em++ \
+  "${PLANEGCS_SOURCE_DIR}/Geo.cpp" \
+  "${PLANEGCS_SOURCE_DIR}/Constraints.cpp" \
+  "${PLANEGCS_SOURCE_DIR}/SubSystem.cpp" \
+  "${PLANEGCS_SOURCE_DIR}/qp_eq.cpp" \
+  "${PLANEGCS_SOURCE_DIR}/GCS.cpp" \
+  "${ROOT_DIR}/native/planegcs/planegcs_bindings.cpp" \
+  -I"${ROOT_DIR}/native/planegcs/stubs" \
+  -I"${FREECAD_SOURCE_DIR}/src" \
+  -I"${PLANEGCS_SOURCE_DIR}" \
+  -I"${HOST_HEADERS_DIR}" \
+  -I/usr/include/eigen3 \
+  -std=c++20 -O2 -DNDEBUG -DEIGEN_NO_DEBUG -fexceptions -pthread --bind \
+  -sMODULARIZE=1 -sEXPORT_ES6=1 -sENVIRONMENT=web,worker,node \
+  -sPTHREAD_POOL_SIZE=2 \
+  -sALLOW_MEMORY_GROWTH=1 -sINITIAL_MEMORY=16777216 -sMAXIMUM_MEMORY=536870912 \
+  -sNO_EXIT_RUNTIME=1 \
+  -o "${DIST_DIR}/freecad-planegcs.js"
+
+cp "${ROOT_DIR}/native/planegcs/package.json" "${DIST_DIR}/package.json"
+cp "${DIST_DIR}/freecad-planegcs.js" "${PUBLIC_DIR}/freecad-planegcs.js"
+cp "${DIST_DIR}/freecad-planegcs.wasm" "${PUBLIC_DIR}/freecad-planegcs.wasm"
+sha256sum "${DIST_DIR}/freecad-planegcs.js" "${DIST_DIR}/freecad-planegcs.wasm"