fix: windows build properly linking to system libraries (#36)

Signed-off-by: rmdg88 <[email protected]>

Author: rmdg88

.github/workflows/wheels.yml

@@ -242,12 +242,15 @@ jobs:
           update: true
           install: >
             mingw-w64-x86_64-toolchain 
-            mingw-w64-i686-toolchain
+            mingw-w64-x86_64-gcc-libs
             
-      - name: Set up QPDF external-libs [windows]
+      - name: Set up external-libs [windows]
         if: ${{matrix.os.platform_id == 'win_amd64'}}
         shell: pwsh
         run: |
+          Copy-Item -Path "C:/mingw64/bin/libgcc_s_seh-1.dll" -Destination ".\docling_parse"
+          Copy-Item -Path "C:/mingw64/bin/libstdc++-6.dll" -Destination ".\docling_parse"
+          Copy-Item -Path "C:/mingw64/bin/libwinpthread-1.dll" -Destination ".\docling_parse"
           New-Item -Path 'C:\windows-libs' -ItemType Directory -Force
           Invoke-WebRequest -Uri 'https://github.com/qpdf/external-libs/releases/download/release-2024-06-07/qpdf-external-libs-bin.zip' -OutFile 'C:\windows-libs\qpdf-external-libs-bin.zip'
           Expand-Archive -Path 'C:\windows-libs\qpdf-external-libs-bin.zip' -DestinationPath 'C:\windows-libs' -Force
@@ -268,11 +271,11 @@ jobs:
           CIBW_BUILD_VERBOSITY: 3
           CIBW_ARCHS: AMD64
           CIBW_PROJECT_REQUIRES_PYTHON: "~=${{ matrix.python-version }}.0"
-          PKG_CONFIG_PATH: "C:/msys64/mingw64/lib/pkgconfig"
-          PKG_CONFIG_EXECUTABLE: "C:/msys64/usr/bin/pkg-config.exe"
-          CMAKE_PREFIX_PATH: "C:/msys64/mingw64;C:/windows-libs/external-libs"
-          CMAKE_LIBRARY_PATH: "C:/msys64/mingw64/lib;C:/windows-libs/external-libs/lib-mingw64"
-          CMAKE_INCLUDE_PATH: "C:/msys64/mingw64/include;C:/windows-libs/external-libs/include"
+          PKG_CONFIG_PATH: "C:/msys64/usr/lib/pkgconfig"
+          PKG_CONFIG_EXECUTABLE: "C:/mingw64/bin/pkg-config.exe"
+          CMAKE_PREFIX_PATH: "C:/msys64/mingw64;C:/mingw64;C:/windows-libs/external-libs"
+          CMAKE_LIBRARY_PATH: "C:/msys64/mingw64/lib;C:/mingw64/lib;C:/windows-libs/external-libs/lib-mingw64"
+          CMAKE_INCLUDE_PATH: "C:/msys64/mingw64/include;C:/mingw64/include;C:/windows-libs/external-libs/include"
           CMAKE_GENERATOR: "MSYS Makefiles"
           BUILD_THREADS: 1
           ASM_NASM: "C:/nasm/nasm.exe"

cmake/extlib_qpdf_v11.cmake

@@ -19,13 +19,22 @@ else()
 
   set(QPDF_URL https://github.com/qpdf/qpdf.git)
   set(QPDF_TAG v11.9.1 )
+  
+  set(QPDF_LIB ${EXTERNALS_PREFIX_PATH}/lib/libqpdf.a)
+  set(JPEG_LIB ${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a)
 
   if(UNIX)
-    set(QPDF_EXTRA_CXX_FLAGS "-fPIC ")
-    set(QPDF_EXTRA_C_FLAGS "-fPIC ")
+      set(QPDF_EXTRA_CXX_FLAGS "-fPIC ")
+      set(QPDF_EXTRA_C_FLAGS "-fPIC ")
+      set(BUILD_SHARED_LIBS ON)
+  elseif(WIN32)
+      set(QPDF_EXTRA_CXX_FLAGS "")
+      set(QPDF_EXTRA_C_FLAGS "")
+      set(BUILD_SHARED_LIBS OFF)
   else()
-    set(QPDF_EXTRA_CXX_FLAGS " ")
-    set(QPDF_EXTRA_C_FLAGS " ")
+      set(QPDF_EXTRA_CXX_FLAGS " ")
+      set(QPDF_EXTRA_C_FLAGS " ")
+      set(BUILD_SHARED_LIBS ON)
   endif()
 
   ExternalProject_Add(extlib_qpdf
@@ -44,35 +53,33 @@ else()
       INSTALL_DIR ${EXTERNALS_PREFIX_PATH}
 
 
-      CMAKE_ARGS \\
-      -DCMAKE_POSITION_INDEPENDENT_CODE=ON \\
-      -DBUILD_SHARED_LIBS=ON \\
-      -DUSE_IMPLICIT_CRYPTO=OFF \\
-      -DREQUIRE_CRYPTO_NATIVE=ON \\
-      -DCMAKE_CXX_FLAGS=${QPDF_EXTRA_CXX_FLAGS} \\
-      -DCMAKE_C_FLAGS=${QPDF_EXTRA_C_FLAGS} \\
-      -DLIBJPEG_LIBRARY=${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a \\
-      -DLIBJPEG_LIBRARIES=${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a \\
-      -DLIBJPEG_LIB_PATH=${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a \\
-      -DLIBJPEG_LIBDIR=${EXTERNALS_PREFIX_PATH}/lib \\
-      -DLIBJPEG_H_PATH=${EXTERNALS_PREFIX_PATH}/include \\
-      -DLIBJPEG_INCLUDEDIR=${EXTERNALS_PREFIX_PATH}/include \\
-      -Dpc_libjpeg_LIBRARY=${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a \\
-      -Dpc_libjpeg_LIBRARIES=${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a \\
-      -Dpc_libjpeg_LIB_PATH=${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a \\
-      -Dpc_libjpeg_LIBDIR=${EXTERNALS_PREFIX_PATH}/lib \\
-      -Dpc_libjpeg_H_PATH=${EXTERNALS_PREFIX_PATH}/include \\
-      -Dpc_libjpeg_INCLUDEDIR=${EXTERNALS_PREFIX_PATH}/include \\
-      -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES} \\
-      -DINSTALL_EXAMPLES=OFF \\
-      -DBUILD_DOC_DIST=OFF \\
-      -DCMAKE_INSTALL_LIBDIR=${EXTERNALS_PREFIX_PATH}/lib \\
+      CMAKE_ARGS \\ 
+      -DCMAKE_POSITION_INDEPENDENT_CODE=ON \\ 
+      -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} \\
+      -DUSE_IMPLICIT_CRYPTO=OFF \\ 
+      -DREQUIRE_CRYPTO_NATIVE=ON \\ 
+      -DCMAKE_CXX_FLAGS=${QPDF_EXTRA_CXX_FLAGS} \\ 
+      -DCMAKE_C_FLAGS=${QPDF_EXTRA_C_FLAGS} \\ 
+      -DLIBJPEG_LIBRARY=${JPEG_LIB} \\ 
+      -DLIBJPEG_LIBRARIES=${JPEG_LIB} \\ 
+      -DLIBJPEG_LIB_PATH=${JPEG_LIB} \\ 
+      -DLIBJPEG_LIBDIR=${EXTERNALS_PREFIX_PATH}/lib \\ 
+      -DLIBJPEG_H_PATH=${EXTERNALS_PREFIX_PATH}/include \\ 
+      -DLIBJPEG_INCLUDEDIR=${EXTERNALS_PREFIX_PATH}/include \\ 
+      -Dpc_libjpeg_LIBRARY=${JPEG_LIB} \\ 
+      -Dpc_libjpeg_LIBRARIES=${JPEG_LIB} \\ 
+      -Dpc_libjpeg_LIB_PATH=${JPEG_LIB} \\ 
+      -Dpc_libjpeg_LIBDIR=${EXTERNALS_PREFIX_PATH}/lib \\ 
+      -Dpc_libjpeg_H_PATH=${EXTERNALS_PREFIX_PATH}/include \\ 
+      -Dpc_libjpeg_INCLUDEDIR=${EXTERNALS_PREFIX_PATH}/include \\ 
+      -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES} \\ 
+      -DINSTALL_EXAMPLES=OFF \\ 
+      -DBUILD_DOC_DIST=OFF \\ 
+      -DCMAKE_INSTALL_LIBDIR=${EXTERNALS_PREFIX_PATH}/lib \\ 
       -DCMAKE_INSTALL_PREFIX=${EXTERNALS_PREFIX_PATH}
 
       LOG_DOWNLOAD ON
-      # LOG_CONFIGURE ON
-      # LOG_BUILD ON
-    )
+  )
 
   add_library(${ext_name} STATIC IMPORTED)
   add_dependencies(${ext_name} extlib_qpdf)
@@ -82,8 +89,8 @@ else()
   # ref: https://gitlab.kitware.com/cmake/cmake/-/issues/15052
   file(MAKE_DIRECTORY ${EXT_INCLUDE_DIRS})
   set_target_properties(${ext_name} PROPERTIES
-    IMPORTED_LOCATION ${EXTERNALS_PREFIX_PATH}/lib/libqpdf.a
-    INTERFACE_LINK_LIBRARIES ${EXTERNALS_PREFIX_PATH}/lib/libjpeg.a
+    IMPORTED_LOCATION ${QPDF_LIB}
+    INTERFACE_LINK_LIBRARIES ${JPEG_LIB}
     INTERFACE_LINK_DIRECTORIES ${EXTERNALS_PREFIX_PATH}/lib
     INTERFACE_INCLUDE_DIRECTORIES ${EXT_INCLUDE_DIRS}
   )

poetry.lock

@@ -30,6 +30,7 @@ packages = [{include = "docling_parse"}]
 include = [
     {path = "docling_parse/*.so", format = "wheel"},
     {path = "docling_parse/*.pyd", format = "wheel"},
+    {path = "docling_parse/*.dll", format = "wheel"},
     {path = "docling_parse/pdf_resources", format = ["sdist", "wheel"]},
     {path = "docling_parse/pdf_resources", format = ["sdist", "wheel"]},
     {path = "CMakeLists.txt", format = "sdist"},
@@ -47,6 +48,7 @@ build = "build.py"
 [tool.poetry.dependencies]
 python = "^3.9"
 tabulate = ">=0.9.0,<1.0.0"
+pywin32 = { version = "^306", markers = "sys_platform == 'win32'" }
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.2"