fix: restore shared libzmq builds

.github/workflows/CI.yml

@@ -16,8 +16,8 @@ jobs:
       matrix:
         os:
           - ubuntu-24.04
-          - windows-2019
-          - macos-13
+          - windows-2022
+          - macos-15-intel
         node_arch:
           - x64
         cpp_arch:
@@ -28,7 +28,7 @@ jobs:
           - ""
         include:
           # Windows x86
-          - os: windows-2019
+          - os: windows-2022
             node_arch: x64
             target_arch: ia32
             cpp_arch: amd64_x86
@@ -110,7 +110,7 @@ jobs:
           cmake: true
           ninja: true
           python: true
-          vcpkg: true
+          vcpkg: 608d1dbcd6969679f82b1ca6b89d58939c9b228e
           architecture: ${{ matrix.cpp_arch }}
 
       - name: Install Mac-OS Dependencies
@@ -239,7 +239,7 @@ jobs:
           path: ./build-artifacts
 
       - name: Install Dependencies
-        run: pnpm install
+        run: pnpm install --ignore-scripts
 
       - name: Merge Artifacts
         run: |
@@ -267,7 +267,7 @@ jobs:
           - ubuntu-22.04-arm
           - ubuntu-24.04-arm
           - windows-2022
-          - macos-13
+          - macos-15-intel
         node-version:
           - 12
           - 22

CMakeLists.txt

@@ -70,6 +70,9 @@ set_option_from_env(ZMQ_NO_SYNC_RESOLVE)
 option(ZMQ_ENABLE_SANITIZER_UNDEFINED "Enable undefined behavior sanitizer" OFF)
 set_option_from_env(ZMQ_ENABLE_SANITIZER_UNDEFINED)
 
+option(ZMQ_SHARED "Use a system-installed shared libzmq" OFF)
+set_option_from_env(ZMQ_SHARED)
+
 if(${ZMQ_ENABLE_SANITIZER_UNDEFINED})
   set(ENABLE_SANITIZER_UNDEFINED "ENABLE_SANITIZER_UNDEFINED")
 endif()
@@ -114,8 +117,10 @@ if(APPLE)
     "${CMAKE_SHARED_LINKER_FLAGS} -undefined dynamic_lookup")
 endif()
 
-run_vcpkg(VCPKG_URL "https://github.com/microsoft/vcpkg.git" VCPKG_REV
-  "608d1dbcd6969679f82b1ca6b89d58939c9b228e")
+if(NOT ZMQ_SHARED)
+  run_vcpkg(VCPKG_URL "https://github.com/microsoft/vcpkg.git" VCPKG_REV
+    "608d1dbcd6969679f82b1ca6b89d58939c9b228e")
+endif()
 
 # Name of the addon
 project(addon LANGUAGES C CXX)
@@ -146,8 +151,14 @@ if(ZMQ_NO_SYNC_RESOLVE)
 endif()
 
 # ZeroMQ
-find_package(ZeroMQ CONFIG REQUIRED)
-target_link_system_libraries(addon PRIVATE libzmq libzmq-static)
+if(ZMQ_SHARED)
+  find_package(PkgConfig REQUIRED)
+  pkg_check_modules(ZeroMQ REQUIRED IMPORTED_TARGET libzmq)
+  target_link_system_libraries(addon PRIVATE PkgConfig::ZeroMQ)
+else()
+  find_package(ZeroMQ CONFIG REQUIRED)
+  target_link_system_libraries(addon PRIVATE libzmq libzmq-static)
+endif()
 
 # Node specific
 target_include_system_directories(addon PRIVATE ${CMAKE_JS_INC})

README.md

@@ -353,6 +353,16 @@ When building from source, you can also specify additional build options in a
 <details>
 <summary>👉🏻 Options</summary>
 
+### System libzmq
+
+Uses a shared `libzmq` installation discoverable through `pkg-config` instead of
+building the vendored vcpkg dependency. Install `libzmq` and add the following
+to your `.npmrc`:
+
+```ini
+zmq_shared=true
+```
+
 ### Curve with Libsodium support
 
 (Enabled by default)

docker/alpine.dockerfile

@@ -9,7 +9,7 @@ FROM base AS builder
 WORKDIR /app
 COPY ./ ./
 # build
-RUN npm i -g pnpm && \
+RUN npm i -g pnpm@10.8.0 && \
     pnpm install && \
     pnpm run build
 
@@ -20,4 +20,3 @@ COPY ./ ./
 COPY --from=builder /app/build ./build
 COPY --from=builder /app/node_modules ./node_modules
 
-

docker/ubuntu.dockerfile

@@ -16,7 +16,7 @@ WORKDIR /app
 COPY ./ ./
 
 # build
-RUN npm i -g pnpm && \
+RUN npm i -g pnpm@10.8.0 && \
     pnpm install && \
     pnpm run build
 
@@ -27,4 +27,3 @@ COPY ./ ./
 COPY --from=builder /app/build ./build
 COPY --from=builder /app/node_modules ./node_modules
 
-