Description

This PR addresses build failures (linker errors) encountered when building Snapmaker OrcaSlicer statically on Linux environments (tested on Ubuntu 22.04).

• Fixed Boost Log Linker Error: Updated CMakeLists.txt to conditionally define BOOST_LOG_DYN_LINK based on Boost_USE_STATIC_LIBS rather than SLIC3R_STATIC. This ensures that boost::log is correctly linked without expecting dynamic symbols when static libraries are used.
• Fixed Blosc Undefined References: Updated src/libslic3r/CMakeLists.txt to change Blosc::blosc linking from PRIVATE to PUBLIC. This ensures that Blosc symbols (required by OpenVDB) are properly propagated to the executable, resolving undefined reference errors like blosc_compress_ctx.

These changes enable successful compilation with -DSLIC3R_STATIC=ON, improving build compatibility for Linux distributions like Ubuntu 22.04.

Screenshots/Recordings/Graphs

N/A (Build system configuration fix)

Tests

I have verified these changes by building the project on Ubuntu 22.04 LTS:

1. Configuration:

   cmake -S . -B build -G Ninja \
     -DCMAKE_BUILD_TYPE=Release \
     -DSLIC3R_STATIC=ON \
     -DOPENVDB_USE_STATIC_LIBS=ON

2. Build: cmake --build build completed successfully without linker errors.
3. Execution: The generated binary and AppImage launch correctly.