Enable CI to compile for duckdb-wasm

.github/workflows/MainDistributionPipeline.yml

@@ -20,12 +20,11 @@ concurrency:
 jobs:
   duckdb-stable-build:
     name: Build extension binaries
-    uses: duckdb/duckdb/.github/workflows/_extension_distribution.yml@60ddc316ca0c1585f14d55aa73f9db59d8fc05d1
+    uses: duckdb/duckdb/.github/workflows/_extension_distribution.yml@6812703823d1d66566bc7eaac2b6e4b273c85333
     with:
+      vcpkg_commit: a42af01b72c28a8e1d7b48107b33e4f286a55ef6
       duckdb_version: v0.9.2
       extension_name: spatial
-      vcpkg_commit: 9edb1b8e590cc086563301d735cae4b6e732d2d2 # TODO: remove pinned vcpkg commit when updating duckdb version
-      build_duckdb_shell: false
 
   duckdb-stable-deploy:
     name: Deploy extension binaries
@@ -35,4 +34,4 @@ jobs:
     with:
       duckdb_version: v0.9.2
       extension_name: spatial
-      deploy_latest: ${{ startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' }}
+      deploy_latest: ${{ startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' }}

.github/workflows/_extension_deploy.yml

@@ -68,7 +68,9 @@ jobs:
 
       - id: parse-matrices
         run: |
-          python3 ${{ inputs.matrix_parse_script }} --input ./duckdb/.github/config/distribution_matrix.json --deploy_matrix --output deploy_matrix.json --exclude "${{ inputs.exclude_archs }}" --pretty 
+          cat ./duckdb/.github/config/distribution_matrix.json > distribution_matrix.json
+          grep wasm distribution_matrix.json || (head -n -1 ./duckdb/.github/config/distribution_matrix.json > distribution_matrix.json && echo ',"wasm":{"include":[{"duckdb_arch":"wasm_mvp","vcpkg_triplet":"wasm32-emscripten"},{"duckdb_arch":"wasm_eh","vcpkg_triplet":"wasm32-emscripten"},{"duckdb_arch":"wasm_threads","vcpkg_triplet":"wasm32-emscripten"}]}}' >> distribution_matrix.json)
+          python3 ${{ inputs.matrix_parse_script }} --input distribution_matrix.json --deploy_matrix --output deploy_matrix.json --exclude "${{ inputs.exclude_archs }}" --pretty
           deploy_matrix="`cat deploy_matrix.json`"
           echo deploy_matrix=$deploy_matrix >> $GITHUB_OUTPUT
           echo `cat $GITHUB_OUTPUT`
@@ -94,18 +96,18 @@ jobs:
 
       - uses: actions/download-artifact@v2
         with:
-          name: ${{ inputs.extension_name }}-${{ inputs.duckdb_version }}-extension-${{matrix.duckdb_arch}}${{inputs.artifact_postfix}}
+          name: ${{ inputs.extension_name }}-${{ inputs.duckdb_version }}-extension-${{matrix.duckdb_arch}}${{inputs.artifact_postfix}}${{startsWith(matrix.duckdb, 'wasm') && '.wasm' || ''}}
           path: |
             /tmp/extension
 
       - name: Deploy
         shell: bash
         env:
-          AWS_ACCESS_KEY_ID: ${{ secrets.S3_DEPLOY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_DEPLOY_KEY }}
-          AWS_DEFAULT_REGION: ${{ secrets.S3_REGION }}
-          BUCKET_NAME: ${{ secrets.S3_BUCKET }}
-          DUCKDB_EXTENSION_SIGNING_PK: ${{ secrets.DUCKDB_EXTENSION_SIGNING_PK }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.S3_DUCKDB_ORG_DEPLOY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_DUCKDB_ORG_DEPLOY_KEY }}
+          AWS_DEFAULT_REGION: ${{ secrets.S3_DUCKDB_ORG_REGION }}
+          BUCKET_NAME: ${{ secrets.S3_DUCKDB_ORG_BUCKET }}
+          DUCKDB_EXTENSION_SIGNING_PK: ${{ secrets.S3_DUCKDB_ORG_EXTENSION_SIGNING_PK }}
         run: |
           pwd
           python3 -m pip install pip awscli
@@ -118,4 +120,4 @@ jobs:
           git fetch --tags
           export EXT_VERSION=`git tag --points-at HEAD`
           export EXT_VERSION=${EXT_VERSION:=`git log -1 --format=%h`}
-          ${{ inputs.deploy_script }} ${{ inputs.extension_name }} $EXT_VERSION $DUCKDB_VERSION ${{ matrix.duckdb_arch }} $BUCKET_NAME ${{inputs.deploy_latest || 'true' && 'false'}} ${{inputs.deploy_versioned || 'true' && 'false'}}
+          ${{ inputs.deploy_script }} ${{ inputs.extension_name }} $EXT_VERSION $DUCKDB_VERSION ${{ matrix.duckdb_arch }} $BUCKET_NAME ${{inputs.deploy_latest || 'true' && 'false'}} ${{inputs.deploy_versioned || 'true' && 'false'}}

CMakeLists.txt

@@ -17,6 +17,10 @@
 # Enable network functionality (OpenSSL and GDAL's CURL based fs/drivers)
 option(SPATIAL_USE_NETWORK "Enable network functionality" ON)
 
+if (EMSCRIPTEN)
+  set(SPATIAL_USE_NETWORK OFF)
+endif()
+
 include_directories(spatial/include)
 add_subdirectory(spatial/src)
 
@@ -36,6 +40,8 @@
   # Generate project
   COMMAND
     ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR}
+    -DDUCKDB_ENABLE_DEPRECATED_API=1
+    -DWASM_LOADABLE_EXTENSIONS=1
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
     -DOSX_BUILD_ARCH=${OSX_BUILD_ARCH}
     -DSPATIAL_USE_NETWORK=${SPATIAL_USE_NETWORK} 
@@ -62,8 +68,19 @@
                       ${CMAKE_BINARY_DIR}/deps/local)
 set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} MD.lib
 )# annoyingly for expat on windows
+
+list(APPEND CMAKE_FIND_ROOT_PATH "${CMAKE_BINARY_DIR}/deps/local/")
+list(APPEND CMAKE_PREFIX_PATH "${CMAKE_BINARY_DIR}/deps/local/")
+
+message(STATUS "Find libraries path: '${CMAKE_PREFIX_PATH}'")
+
 set(ZLIB_USE_STATIC_LIBS ON)
 set(OPENSSL_USE_STATIC_LIBS ON)
+
+if (EMSCRIPTEN)
+  set(OPENSSL_USE_STATIC_LIBS OFF)
+endif()
+
 find_library(SQLITE3_MEMVFS memvfs)
 find_package(ZLIB REQUIRED)
 find_package(PROJ REQUIRED)
@@ -97,11 +114,13 @@
   list(APPEND EXTENSION_DEPENDENCIES wbemuuid.lib)
 endif()
 
-if(APPLE)
-  find_library(CoreFoundation_Library CoreFoundation)
-  find_library(SystemConfiguration_Library SystemConfiguration)
-  list(APPEND EXTENSION_DEPENDENCIES ${CoreFoundation_Library}
+if(NOT EMSCRIPTEN)
+  if(APPLE)
+    find_library(CoreFoundation_Library CoreFoundation)
+    find_library(SystemConfiguration_Library SystemConfiguration)
+    list(APPEND EXTENSION_DEPENDENCIES ${CoreFoundation_Library}
                                      ${SystemConfiguration_Library})
+  endif()
 endif()
 
 # Geographiclib is special

Makefile

@@ -36,6 +36,7 @@ ifeq ($(GEN),ninja)
 	GENERATOR=-G "Ninja" -DFORCE_COLORED_OUTPUT=1
 endif
 
+EXT_NAME=spatial
 
 #### Configuration for this extension
 EXTENSION_NAME=SPATIAL
@@ -54,6 +55,10 @@ EXTRA_EXTENSIONS_FLAG=-DBUILD_EXTENSIONS="parquet;json"
 BUILD_FLAGS=-DEXTENSION_STATIC_BUILD=1 $(EXTENSION_FLAGS) ${EXTRA_EXTENSIONS_FLAG} $(OSX_BUILD_FLAG) $(TOOLCHAIN_FLAGS)
 ifeq (${BUILD_SHELL}, 0)
 	BUILD_FLAGS += -DBUILD_SHELL=0
+else
+	ifeq ($(OS),Windows_NT)
+		BUILD_FLAGS += -DBUILD_SHELL=0
+	endif
 endif
 CLIENT_FLAGS:=
 
@@ -141,4 +146,29 @@ clean:
 	rm -rf build
 	rm -rf testext
 #cd duckdb && make clean
-#cd duckdb && make clean-python
+#cd duckdb && make clean-python
+
+VCPKG_EMSDK_FLAGS=-DVCPKG_CHAINLOAD_TOOLCHAIN_FILE=$(EMSDK)/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake
+WASM_COMPILE_TIME_COMMON_FLAGS=-DWASM_LOADABLE_EXTENSIONS=1 -DBUILD_EXTENSIONS_ONLY=1 -DSKIP_EXTENSIONS="parquet;json" $(VCPKG_EMSDK_FLAGS)
+WASM_CXX_MVP_FLAGS=
+WASM_CXX_EH_FLAGS=$(WASM_CXX_MVP_FLAGS) -fwasm-exceptions -DWEBDB_FAST_EXCEPTIONS=1
+WASM_CXX_THREADS_FLAGS=$(WASM_COMPILE_TIME_EH_FLAGS) -DWITH_WASM_THREADS=1 -DWITH_WASM_SIMD=1 -DWITH_WASM_BULK_MEMORY=1
+WASM_LINK_TIME_FLAGS=../../deps/local/lib/*.a
+
+wasm_mvp:
+	mkdir -p build/wasm_mvp
+	emcmake cmake $(GENERATOR) $(EXTENSION_FLAGS) $(WASM_COMPILE_TIME_COMMON_FLAGS) -Bbuild/wasm_mvp -DCMAKE_CXX_FLAGS="$(WASM_CXX_MVP_FLAGS) -DDUCKDB_CUSTOM_PLATFORM=wasm_mvp" -S duckdb
+	emmake make -j8 -Cbuild/wasm_mvp
+	cd build/wasm_mvp/extension/${EXT_NAME} && emcc $f -sSIDE_MODULE=1 -o ../../${EXT_NAME}.duckdb_extension.wasm -O3 ${EXT_NAME}.duckdb_extension $(WASM_LINK_TIME_FLAGS)
+
+wasm_eh:
+	mkdir -p build/wasm_eh
+	emcmake cmake $(GENERATOR) $(EXTENSION_FLAGS) $(WASM_COMPILE_TIME_COMMON_FLAGS) -Bbuild/wasm_eh -DCMAKE_CXX_FLAGS="$(WASM_CXX_EH_FLAGS) -DDUCKDB_CUSTOM_PLATFORM=wasm_eh" -S duckdb
+	emmake make -j8 -Cbuild/wasm_eh
+	cd build/wasm_eh/extension/${EXT_NAME} && emcc $f -sSIDE_MODULE=1 -o ../../${EXT_NAME}.duckdb_extension.wasm -O3 ${EXT_NAME}.duckdb_extension $(WASM_LINK_TIME_FLAGS)
+
+wasm_threads:
+	mkdir -p ./build/wasm_threads
+	emcmake cmake $(GENERATOR) $(EXTENSION_FLAGS) $(WASM_COMPILE_TIME_COMMON_FLAGS) -Bbuild/wasm_threads -DCMAKE_CXX_FLAGS="$(WASM_CXX_THREADS_FLAGS) -DDUCKDB_CUSTOM_PLATFORM=wasm_threads" -S duckdb
+	emmake make -j8 -Cbuild/wasm_threads
+	cd build/wasm_threads/extension/${EXT_NAME} && emcc $f -sSIDE_MODULE=1 -o ../../${EXT_NAME}.duckdb_extension.wasm -O3 ${EXT_NAME}.duckdb_extension $(WASM_LINK_TIME_FLAGS)

deps/CMakeLists.txt

@@ -11,17 +11,28 @@ if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.24.0")
     cmake_policy(SET CMP0135 NEW)
 endif()
 
-if (OSX_BUILD_ARCH)
-  message(STATUS "building for OSX architecture: ${OSX_BUILD_ARCH}")
-  if (NOT APPLE)
-    error("This only makes sense on OSX")
+if (NOT EMSCRIPTEN)
+  if (OSX_BUILD_ARCH)
+    message(STATUS "building for OSX architecture: ${OSX_BUILD_ARCH}")
+    if (NOT APPLE)
+      error("This only makes sense on OSX")
+    endif()
+    set(CMAKE_OSX_ARCHITECTURES ${OSX_BUILD_ARCH})
+    # Escape semicolons in CMAKE_OSX_ARCHITECTURES before passing to ExternalProject_Add
+    string(REPLACE ";" "$<SEMICOLON>" CMAKE_OSX_ARCHITECTURES_PACKED "${CMAKE_OSX_ARCHITECTURES}")
   endif()
-  set(CMAKE_OSX_ARCHITECTURES ${OSX_BUILD_ARCH})
-
-  # Escape semicolons in CMAKE_OSX_ARCHITECTURES before passing to ExternalProject_Add
-  string(REPLACE ";" "$<SEMICOLON>" CMAKE_OSX_ARCHITECTURES_PACKED "${CMAKE_OSX_ARCHITECTURES}")
 endif()
 
+set(CMAKE_FLAGS_POINTER_SIZE )
+set(CMAKE_PROJ_FLAGS )
+set(CMAKE_GDAL_FLAGS )
+set(PATCH_NAME_ENDING )
+if (EMSCRIPTEN)
+  set(CMAKE_FLAGS_POINTER_SIZE -DCMAKE_SIZEOF_VOID_P=4 -DCMAKE_SIZEOF_VOIDP=4)
+  set(CMAKE_PROJ_FLAGS -DCMAKE_MODULE_PATH=${LOCAL_INSTALL_DIR}/lib/cmake -DSQLITE3_INCLUDE_DIR=${LOCAL_INSTALL_DIR}/include -DSQLITE3_LIBRARY=${LOCAL_INSTALL_DIR}/lib/libsqlite3.a)
+  set(CMAKE_GDAL_FLAGS -DACCEPT_MISSING_LINUX_FS_HEADER=ON -DSIZEOF_INT=4 -DSIZEOF_UNSIGNED_LONG=4 -DSIZEOF_OFF_T=4 -DGEOS_DIR=${LOCAL_INSTALL_DIR}/lib/cmake/geos -DGeographicLib_DIR=${LOCAL_INSTALL_DIR}/lib/cmake/GeographicLib -DSQLITE3_LIBRARY=${LOCAL_INSTALL_DIR}/lib/libsqlite3.a)
+  set(PATCH_NAME_ENDING _wasm)
+endif()
 
 # ZLIB
 ExternalProject_Add(
@@ -31,16 +42,21 @@ ExternalProject_Add(
     CMAKE_ARGS
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_PREFIX_PATH=${LOCAL_INSTALL_DIR}
+    -DCMAKE_MODULE_PATH=${LOCAL_INSTALL_DIR}/lib/cmake
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-    -DBUILD_SHARED_LIBS=OFF
     -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    -DBUILD_SHARED_LIBS=OFF
+    ${CMAKE_FLAGS_POINTER_SIZE}
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
     -DVCPKG_INSTALLED_DIR='${VCPKG_INSTALLED_DIR}'
     -DCMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'
     -DVCPKG_TARGET_TRIPLET='${VCPKG_TARGET_TRIPLET}'
 )
+if (EMSCRIPTEN)
+  find_program(EXE_SQLITE3 sqlite3)
+endif()
 set(GDAL_DEPENDENCIES ${GDAL_DEPENDENCIES} ZLIB)
 
 # SQLite3
@@ -49,11 +65,12 @@ ExternalProject_Add(
     DEPENDS ZLIB
     URL ${CMAKE_CURRENT_SOURCE_DIR}/vendor/sqlite3
     CONFIGURE_HANDLED_BY_BUILD TRUE
-    CMAKE_ARGS 
+    CMAKE_ARGS
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
     -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    ${CMAKE_FLAGS_POINTER_SIZE}
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
     -DVCPKG_INSTALLED_DIR='${VCPKG_INSTALLED_DIR}'
@@ -73,9 +90,9 @@ ExternalProject_Add(
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_PREFIX_PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_DEBUG_POSTFIX=${} # Do not append "d" to the library name when building in debug mode
-    -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
     -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
     -DVCPKG_INSTALLED_DIR='${VCPKG_INSTALLED_DIR}'
@@ -100,13 +117,16 @@ ExternalProject_Add(
     DEPENDS SQLITE3 ZLIB
     URL ${CMAKE_CURRENT_SOURCE_DIR}/vendor/proj-9.1.1.zip
     CONFIGURE_HANDLED_BY_BUILD TRUE
+    PATCH_COMMAND patch -p1 < "${CMAKE_CURRENT_LIST_DIR}/patches/proj${PATCH_NAME_ENDING}.patch"
     CMAKE_ARGS
     # CMake options
+    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
+    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
     -DCMAKE_PREFIX_PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
-    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    ${CMAKE_PROJ_FLAGS}
+    ${CMAKE_FLAGS_POINTER_SIZE}
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
     -DVCPKG_INSTALLED_DIR='${VCPKG_INSTALLED_DIR}'
@@ -126,6 +146,7 @@ ExternalProject_Add(
     EXPAT
     URL ${CMAKE_CURRENT_SOURCE_DIR}/vendor/expat-2.5.0.tar.bz2
     CONFIGURE_HANDLED_BY_BUILD TRUE
+    PATCH_COMMAND patch -p1 < "${CMAKE_CURRENT_LIST_DIR}/patches/expat${PATCH_NAME_ENDING}.patch"
     CMAKE_ARGS 
     # CMake options
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
@@ -156,9 +177,11 @@ ExternalProject_Add(
     CMAKE_ARGS 
     # CMake options
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
+    -DCMAKE_PREFIX_PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
     -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    ${CMAKE_FLAGS_POINTER_SIZE}
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
     -DVCPKG_INSTALLED_DIR='${VCPKG_INSTALLED_DIR}'
@@ -178,10 +201,12 @@ ExternalProject_Add(
     GEOGRAPHICLIB
     URL ${CMAKE_CURRENT_SOURCE_DIR}/vendor/GeographicLib-2.2.zip
     CONFIGURE_HANDLED_BY_BUILD TRUE
+    PATCH_COMMAND patch -p1 < "${CMAKE_CURRENT_LIST_DIR}/patches/geographiclib${PATCH_NAME_ENDING}.patch"
     CMAKE_ARGS
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
+    -DCMAKE_PREFIX_PATH=${LOCAL_INSTALL_DIR}
+    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
@@ -200,16 +225,17 @@ ExternalProject_Add(
     DEPENDS ${GDAL_DEPENDENCIES}
     URL ${CMAKE_CURRENT_SOURCE_DIR}/vendor/gdal380.zip
     CONFIGURE_HANDLED_BY_BUILD TRUE
-    PATCH_COMMAND patch -p1 < "${CMAKE_CURRENT_LIST_DIR}/patches/remove_filehandler.patch"
+    PATCH_COMMAND patch -p1 < "${CMAKE_CURRENT_LIST_DIR}/patches/remove_filehandler${PATCH_NAME_ENDING}.patch"
     CMAKE_ARGS 
     # CMake options
     -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
     -DCMAKE_INSTALL_PREFIX:PATH=${LOCAL_INSTALL_DIR}
+    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES_PACKED}
+    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
     -DCMAKE_PREFIX_PATH=${LOCAL_INSTALL_DIR}
     -DCMAKE_MODULE_PATH=${LOCAL_INSTALL_DIR}/lib/cmake
-    -DCMAKE_POSITION_INDEPENDENT_CODE=ON
     -DCMAKE_FIND_ROOT_PATH=${LOCAL_INSTALL_DIR}
+    ${CMAKE_FLAGS_POINTER_SIZE}
     # vcpkg options
     -DVCPKG_MANIFEST_DIR='${VCPKG_MANIFEST_DIR}'
     -DVCPKG_INSTALLED_DIR='${VCPKG_INSTALLED_DIR}'
@@ -221,6 +247,7 @@ ExternalProject_Add(
     -DBUILD_APPS=OFF
     # Build static library
     -DBUILD_SHARED_LIBS=OFF
+    ${CMAKE_GDAL_FLAGS}
 
     # Arrow
     -DGDAL_USE_ARROW=OFF
@@ -306,4 +333,4 @@ ExternalProject_Add(
 
 
 # Ouch! Remember that the order of these libraries is important! (reverse order of dependencies)
-#target_link_libraries(dependencies INTERFACE gdal geos_c geos proj expat memvfs sqlite3 zlib)
+#target_link_libraries(dependencies INTERFACE gdal geos_c geos proj expat memvfs sqlite3 zlib)

deps/patches/expat_wasm.patch

@@ -0,0 +1,17 @@
+--- /ConfigureChecks.cmake	2023-11-28 16:13:15
++++ /ConfigureChecks.cmake	2023-11-28 15:58:45
+@@ -37,13 +37,7 @@
+ #/* Define to 1 if you have the ANSI C header files. */
+ check_include_files("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
+
+-test_big_endian(WORDS_BIGENDIAN)
+-#/* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
+-if(WORDS_BIGENDIAN)
+-    set(BYTEORDER 4321)
+-else(WORDS_BIGENDIAN)
+-    set(BYTEORDER 1234)
+-endif(WORDS_BIGENDIAN)
++set(BYTEORDER 1234)
+
+ if(HAVE_SYS_TYPES_H)
+     check_symbol_exists("off_t" "sys/types.h" OFF_T)

deps/patches/gdal_wasm.patch

@@ -0,0 +1,12 @@
+--- /cmake/helpers/configure.cmake	2023-12-04 11:26:04
++++ /cmake/helpers/configure.cmake	2023-12-04 11:27:03
+@@ -72,7 +72,8 @@
+
+ else ()
+   # linux, mac and mingw/windows
+-  test_big_endian(WORDS_BIGENDIAN)
++  set(WORDS_BIGENDIAN FALSE)
++  # test_big_endian(WORDS_BIGENDIAN)
+   if (MINGW)
+     set(THREADS_PREFER_PTHREAD_FLAG ON)
+   endif ()