Provide boost sources from the docker image

package/web/Dockerfile

@@ -11,6 +11,10 @@ COPY env-helper.sh .
 # Source emsdk env variables when running the container
 ENTRYPOINT ["/home/env-helper.sh"]
 
+# Install Boost sources
+WORKDIR /home
+RUN git clone --recurse-submodules --branch boost-1.87.0 https://github.com/boostorg/boost.git
+
 # Install toolchain file & main packaging script
 COPY toolchain-host.cmake .
 COPY package.sh .

package/web/package.sh

@@ -19,6 +19,7 @@ emcmake cmake \
   -DPSEMEK_PACKAGE_HOST=OFF \
   -DPSEMEK_PACKAGE_TARGET=ON \
   -DPSEMEK_STACKTRACE=OFF \
+  -DBOOST_SOURCE_ROOT=/home/boost \
   -DPSEMEK_PACKAGE_TOOLS_PATH=/home/tools \
   -DPSEMEK_PACKAGE_COPY_FILES= \
   -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH \