Build windows DLLs from vendor directory

.github/workflows/ci.yml

@@ -14,14 +14,10 @@ jobs:
         target:
           - os: linux
             cpu: amd64
-          # - os: linux
-          #   cpu: i386
           - os: macos
             cpu: amd64
           - os: windows
             cpu: amd64
-          #- os: windows
-            #cpu: i386
         branch: [version-1-6, version-2-0, devel]
         include:
           - target:
@@ -113,17 +109,8 @@ jobs:
             git
             mingw-w64-x86_64-toolchain
 
-      - name: Restore Nim DLLs dependencies (Windows) from cache
-        if: runner.os == 'Windows'
-        id: windows-dlls-cache
-        uses: actions/cache@v4
-        with:
-          path: external/dlls-${{ matrix.target.cpu }}
-          key: 'dlls-${{ matrix.target.cpu }}'
-
       - name: Install DLL dependencies (Windows)
         if: >
-          steps.windows-dlls-cache.outputs.cache-hit != 'true' &&
           runner.os == 'Windows'
         run: |
           if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
@@ -132,13 +119,11 @@ jobs:
             ROCKSDBSUB=x86
           fi
           DLLPATH="external/dlls-${{ matrix.target.cpu }}"
-          mkdir external
-          curl -L "https://nim-lang.org/download/windeps.zip" -o external/windeps.zip
-          7z x -y external/windeps.zip -o"${DLLPATH}"
+          mkdir -p ${DLLPATH}
+
           # ROCKSDB
-          curl -L "https://github.com/status-im/nimbus-deps/releases/download/rocksdb-9.1.0/nimbus-deps.zip" -o external/nimbus-deps.zip
-          7z x -y external/nimbus-deps.zip
-          cp -a "./${ROCKSDBSUB}/librocksdb.dll" "${DLLPATH}/librocksdb.dll"
+          ./scripts/build_dlls_windows.sh
+          cp ./build/librocksdb.dll "${DLLPATH}/librocksdb.dll"
 
       - name: Path to cached dependencies (Windows)
         if: >

.gitmodules

@@ -3,3 +3,8 @@
 	url = https://github.com/facebook/rocksdb
 	ignore = dirty
 	branch = master
+[submodule "vendor/vcpkg"]
+	path = vendor/vcpkg
+	url = https://github.com/microsoft/vcpkg
+	ignore = dirty
+	branch = master

README.md

@@ -30,6 +30,22 @@ nim c -d:rocksdb_static_linking --threads:on your_program.nim
 
 See the config.nims file which contains the static linking configuration which is switched on with the `rocksdb_static_linking` flag. Note that static linking is currently not supported on windows.
 
+### Building Windows DLLs
+
+Prerequisites:
+- Windows 7 or newer
+- Git
+- Visual Studio 2015 Update 3 or greater with the English language pack
+
+To build RocksDB for Windows, run the following:
+
+```
+.\scripts\build_dlls_windows.bat
+```
+
+After the build completes the built RocksDB DLLs will be located in the `build` directory.
+
+
 ### Contribution
 
 Any contribution intentionally submitted for inclusion in the work by you shall be dual licensed as above, without any

scripts/build_dlls_windows.bat

@@ -0,0 +1,14 @@
+@echo off
+
+SET SCRIPT_DIR=%~dp0
+
+cd %SCRIPT_DIR%\..
+
+git submodule update --init
+
+CALL .\vendor\vcpkg\bootstrap-vcpkg.bat -disableMetrics
+
+.\vendor\vcpkg\vcpkg install rocksdb[lz4,zstd]:x64-windows-rocksdb --recurse --overlay-triplets=.\triplets
+
+mkdir .\build
+copy .\vendor\vcpkg\installed\x64-windows-rocksdb\bin\rocksdb-shared.dll .\build\librocksdb.dll

scripts/build_dlls_windows.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Nim-RocksDB
+# Copyright 2018-2024 Status Research & Development GmbH
+# Licensed under either of
+#
+#  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+#  * GPL license, version 2.0, ([LICENSE-GPLv2](LICENSE-GPLv2) or https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
+#
+# at your option. This file may not be copied, modified, or distributed except according to those terms.
+
+set -e
+
+cd "$(dirname "${BASH_SOURCE[0]}")"/..
+
+REPO_DIR="${PWD}"
+
+git submodule update --init
+
+${REPO_DIR}/vendor/vcpkg/bootstrap-vcpkg.sh -disableMetrics
+
+${REPO_DIR}/vendor/vcpkg/vcpkg install rocksdb[lz4,zstd]:x64-windows-rocksdb --recurse --overlay-triplets=${REPO_DIR}/triplets
+
+mkdir -p ${REPO_DIR}/build
+cp ${REPO_DIR}/vendor/vcpkg/installed/x64-windows-rocksdb/bin/rocksdb-shared.dll ./build/librocksdb.dll

triplets/x64-windows-rocksdb.cmake

@@ -0,0 +1,10 @@
+set(VCPKG_TARGET_ARCHITECTURE x64)
+set(VCPKG_BUILD_TYPE release)
+
+if(${PORT} MATCHES "snappy|zlib|lz4|zstd")
+  set(VCPKG_CRT_LINKAGE static)
+  set(VCPKG_LIBRARY_LINKAGE static)
+else()
+  set(VCPKG_CRT_LINKAGE static)
+  set(VCPKG_LIBRARY_LINKAGE dynamic)
+endif()

triplets/x86-windows-rocksdb.cmake

@@ -0,0 +1,10 @@
+set(VCPKG_TARGET_ARCHITECTURE x86)
+set(VCPKG_BUILD_TYPE release)
+
+if(${PORT} MATCHES "snappy|zlib|lz4|zstd")
+  set(VCPKG_CRT_LINKAGE static)
+  set(VCPKG_LIBRARY_LINKAGE static)
+else()
+  set(VCPKG_CRT_LINKAGE static)
+  set(VCPKG_LIBRARY_LINKAGE dynamic)
+endif()