Add files

.gitignore

@@ -0,0 +1,4 @@
+src/tmp
+build
+node_modules
+.vscode

.gitmodules

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+[submodule "src/spatialite"]
+	path = src/spatialite
+	url = https://salsa.debian.org/debian-gis-team/spatialite.git

.npmignore

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+src/tmp
+src/build
+node_modules
+src/spatialite
+.vscode

Makefile

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+PWD = $(shell pwd)
+BUILD_DIR = $(PWD)/src/build
+BC_DIR = $(BUILD_DIR)/bc
+PREFIX = --prefix=$(BC_DIR)
+
+SQLITE_VERSION = 3360000
+GEOS_VERSION = 3.9.0
+PROJ_VERSION = 8.1.0
+RTTOPO_VERSION = 1.1.0
+
+ZLIB_VERSION = 1.2.11
+XML2_VERSION = 2.9.12
+ICONV_VERSION = 1.16
+
+SPATIALITE_SRC = src/spatialite
+SQLITE_SRC = $(BUILD_DIR)/sqlite-autoconf-$(SQLITE_VERSION)
+GEOS_SRC = $(BUILD_DIR)/geos-$(GEOS_VERSION)
+PROJ_SRC = $(BUILD_DIR)/proj-$(PROJ_VERSION)
+ZLIB_SRC = $(BUILD_DIR)/zlib-$(ZLIB_VERSION)
+RTTOPO_SRC = $(BUILD_DIR)/librttopo
+XML2_SRC = $(BUILD_DIR)/libxml2-$(XML2_VERSION)
+ICONV_SRC = $(BUILD_DIR)/libiconv-$(ICONV_VERSION)
+
+DIST_FLAGS :=
+DIST_FLAGS += -s EXPORT_ES6=1
+DIST_FLAGS += -s USE_ES6_IMPORT_META=0
+DIST_FLAGS += -s MODULARIZE=1
+DIST_FLAGS += -s EXPORT_NAME="spl"
+DIST_FLAGS += -s ENVIRONMENT="node,worker"
+DIST_FLAGS += -s WASM_ASYNC_COMPILATION=0
+
+ELD_FLAGS += -s INITIAL_MEMORY=64MB
+ELD_FLAGS += -s ALLOW_MEMORY_GROWTH=1
+ELD_FLAGS += -s ALLOW_TABLE_GROWTH=1
+ELD_FLAGS += -s RETAIN_COMPILER_SETTINGS=1
+ELD_FLAGS += --minify 0
+ELD_FLAGS += -lnodefs.js
+ELD_FLAGS += -lworkerfs.js
+
+EMX_FLAGS :=
+EMX_FLAGS += -s DISABLE_EXCEPTION_CATCHING=0
+EMX_FLAGS += --memory-init-file 0
+
+EXPORTED_FUNCTIONS = -s EXPORTED_FUNCTIONS=@$(PWD)/src/exported_functions.json
+EXPORTED_RUNTIME_METHODS = -s EXPORTED_RUNTIME_METHODS=@$(PWD)/src/exported_runtime_methods.json
+
+ifdef DEBUG
+	EMX_FLAGS += -g4
+	EMX_FLAGS += -s ASSERTIONS=1
+	EMX_FLAGS += -s DEMANGLE_SUPPORT=1
+	EMX_FLAGS += --source-map-base /$(BUILD_DIR)/spatialite/
+else
+	EMX_FLAGS += -Os
+endif
+
+em: dir zlib iconv sqlite proj geos rttopo xml2 spatialite
+
+dir:
+	mkdir -p $(BUILD_DIR);
+	mkdir -p $(BUILD_DIR)/bc;
+	mkdir -p $(BUILD_DIR)/js;
+
+zlib-conf: zlib-src
+	cd $(ZLIB_SRC); \
+	emconfigure ./configure $(PREFIX) --static;
+
+zlib: zlib-conf
+	cd $(ZLIB_SRC); \
+	emmake make -j4 \
+	CFLAGS="$(EMX_FLAGS)"; \
+	emmake make install; \
+	cd $(ZLIB_SRC)/contrib/minizip; \
+	emcc -Wno-implicit-function-declaration -c -I../.. \
+	minizip.c mztools.c miniunz.c unzip.c zip.c ioapi.c; \
+	emar -rcs libminizip.a miniunz.o unzip.o minizip.o zip.o ioapi.o; \
+	cp libminizip.a $(BC_DIR)/lib;
+
+zlib-src:
+	cd $(BUILD_DIR); \
+	wget -nc http://zlib.net/zlib-$(ZLIB_VERSION).tar.gz; \
+	tar -xf zlib-$(ZLIB_VERSION).tar.gz;
+
+iconv-conf: iconv-src
+	cd $(ICONV_SRC); \
+	emconfigure ./configure $(PREFIX) --disable-shared;
+
+iconv: iconv-conf
+	cd $(ICONV_SRC); \
+	emmake make -j4 CFLAGS="$(EMX_FLAGS)"; \
+	emmake make install;
+
+iconv-src:
+	cd $(BUILD_DIR); \
+	wget -nc https://ftp.gnu.org/gnu/libiconv/libiconv-$(ICONV_VERSION).tar.gz; \
+	tar -xf libiconv-$(ICONV_VERSION).tar.gz;
+
+sqlite-src:
+	cd $(BUILD_DIR); \
+	wget -nc https://www.sqlite.org/2021/sqlite-autoconf-$(SQLITE_VERSION).tar.gz; \
+	tar -xf sqlite-autoconf-$(SQLITE_VERSION).tar.gz;
+
+sqlite-conf: sqlite-src
+	cd $(SQLITE_SRC); \
+	emconfigure ./configure $(PREFIX) \
+	--disable-static-shell --disable-shared --disable-editline --disable-readline;
+
+sqlite: sqlite-conf
+	cd $(SQLITE_SRC); \
+	emmake make -j4 \
+	CFLAGS="$(EMX_FLAGS) -DSQLITE_ENABLE_FTS5 -DSQLITE_DQS=0 -DSQLITE_THREADSAFE=0 -DSQLITE_ENABLE_JSON1" \
+	LDFLAGS="-s ERROR_ON_UNDEFINED_SYMBOLS=0"; \
+	emmake make install;
+
+sqlite-clean:
+	$(SQLITE_SRC); \
+	emmake make clean;
+
+# required for running spatialite tests
+xml2-src:
+	cd $(BUILD_DIR); \
+	wget -nc https://gitlab.gnome.org/GNOME/libxml2/-/archive/v$(XML2_VERSION)/libxml2-$(XML2_VERSION).tar.gz; \
+	tar -xf  libxml2-$(XML2_VERSION).tar.gz; \
+	rm -fr libxml2-$(XML2_VERSION); \
+	mv libxml2-v$(XML2_VERSION)-* libxml2-$(XML2_VERSION);
+
+xml2-conf: xml2-src
+	cd $(XML2_SRC); \
+	./autogen.sh $(PREFIX) --without-python; \
+	emconfigure ./configure $(PREFIX) --without-python --disable-shared --with-zlib CPPFLAGS="-DDEBUG_HTTP" Z_LIBS="-L$(BC_DIR)/lib -lz" Z_CFLAGS="-I$(BC_DIR)/include";
+
+xml2: xml2-conf
+	cd $(XML2_SRC); \
+	emmake make -j4 \
+	LDFLAGS="-L$(BC_DIR)/lib -liconv" \
+	CPPFLAGS="$(EMX_FLAGS)"; \
+	emmake make install;
+
+# sqlite3 executable needed for building proj.db
+
+proj-src:
+	cd $(BUILD_DIR); \
+	wget -nc http://download.osgeo.org/proj/proj-$(PROJ_VERSION).tar.gz; \
+	tar -xf proj-$(PROJ_VERSION).tar.gz;
+
+proj: proj-src
+	cd $(PROJ_SRC) && mkdir -p build && cd build; \
+	emcmake cmake -DCMAKE_CXX_FLAGS="$(EMX_FLAGS) -UHAVE_LIBDL" \
+	-DHAVE_LIBDL=OFF -DUSE_THREAD=OFF -DBUILD_CCT=OFF -DBUILD_PROJ=OFF -DBUILD_CS2CS=OFF -DBUILD_GEOD=OFF -DBUILD_GIE=OFF \
+	-DBUILD_PROJINFO=OFF -DBUILD_PROJSYNC=OFF -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DPROJ_NETWORK=OFF \
+	-DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$(BC_DIR) -DENABLE_CURL=OFF -DENABLE_TIFF=OFF \
+	-DSQLITE3_LIBRARY=$(BC_DIR)/lib/libsqlite3 -DSQLITE3_INCLUDE_DIR=$(BC_DIR)/include -DPROJ_LIB="./proj" ..; \
+	emmake make -j4; \
+	emmake make install;
+
+proj-clean:
+	rm -fr $(PROJ_SRC)/build;
+
+
+geos-src:
+	cd $(BUILD_DIR); \
+	wget -nc http://download.osgeo.org/geos/geos-$(GEOS_VERSION).tar.bz2; \
+	tar -xf geos-$(GEOS_VERSION).tar.bz2; \
+
+# sed -i '/add_subdirectory(doc)/d' $(GEOS_SRC)/CMakeLists.txt;
+
+# geos: geos-src
+# 	cd $(GEOS_SRC) && mkdir -p build && cd build; \
+# 	emcmake cmake -DCMAKE_CXX_FLAGS="$(EMX_FLAGS)" \
+# 	-DDISABLE_GEOS_INLINE=ON -DBUILD_TESTING=OFF -DBUILD_BENCHMARKS=OFF -DBUILD_SHARED_LIBS=OFF \
+# 	-DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$(BC_DIR) ..; \
+# 	emmake make -j4; \
+# 	emmake make install;
+
+geos-conf: geos-src
+	cd $(GEOS_SRC); \
+	emconfigure ./configure $(PREFIX) --disable-inline --disable-shared;
+
+# sed -i '/doc/d' $(GEOS_SRC)/Makefile;
+# sed -i '/tests/d' $(GEOS_SRC)/Makefile;
+# sed -i '/benchmarks/d' $(GEOS_SRC)/Makefile;
+# sed -i '/tools/d' $(GEOS_SRC)/Makefile;
+
+geos: geos-conf
+	cd $(GEOS_SRC); \
+	emmake make -j4 \
+	CPPFLAGS="$(EMX_FLAGS)"; \
+	emmake make install;
+
+# cd $(GEOS_SRC)/tools && emmake make install geos-config;
+
+geos-clean:
+	cd $(GEOS_SRC) && make clean;
+
+rttopo-src:
+	cd $(BUILD_DIR); \
+	wget -nc https://git.osgeo.org/gitea/rttopo/librttopo/archive/librttopo-$(RTTOPO_VERSION).tar.gz; \
+	tar -xf librttopo-$(RTTOPO_VERSION).tar.gz;
+
+rttopo-conf: rttopo-src
+	cd $(RTTOPO_SRC); \
+	./autogen.sh; \
+	emconfigure ./configure $(PREFIX) --disable-shared --with-geosconfig="$(BC_DIR)/bin/geos-config";
+
+rttopo: rttopo-conf
+	cd $(RTTOPO_SRC); \
+	emmake make -j4 CFLAGS="$(EMX_FLAGS) -I$(BC_DIR)/include"; \
+	emmake make install;
+
+rttopo-clean:
+	cd $(RTTOPO_SRC) && make clean;
+
+	# LIBXML2_LIBS="-L$(BC_DIR)/lib"
+	# LIBXML2_CFLAGS="-I$(BC_DIR)/include/libxml2"
+
+# remove some irrelevant tests that will fail (still some xls tests failing)
+spatialite-conf:
+	sed -i '/check_extension/d' $(SPATIALITE_SRC)/test/Makefile.am;
+	sed -i '/check_sql_stmt_legacy/d' $(SPATIALITE_SRC)/test/Makefile.am;
+	sed -i '/check_sql_stmt_extension/d' $(SPATIALITE_SRC)/test/Makefile.am;
+	sed -i '/check_get_normal_zoom_extension_load/d' $(SPATIALITE_SRC)/test/Makefile.am;
+	sed -i '/importxls/d' $(SPATIALITE_SRC)/test/sql_stmt_security_tests/Makefile.am;
+	-rm $(SPATIALITE_SRC)/test/sql_stmt_security_tests/importxls*;
+	cd $(SPATIALITE_SRC); \
+	aclocal && automake; \
+	emconfigure ./configure $(PREFIX) \
+	CFLAGS="$(EMX_FLAGS) -DENABLE_MINIZIP -UOMIT_PROJ -DPROJ_NEW -ULOADABLE_EXTENSION -I$(ZLIB_SRC)/contrib" \
+	CPPFLAGS="-I$(BC_DIR)/include" \
+	LDFLAGS="-L$(BC_DIR)/lib" \
+	--with-geosconfig="$(BC_DIR)/bin/geos-config" \
+	--with-geosonlyreentrant \
+	--enable-rttopo \
+	--enable-geocallbacks \
+	--enable-geosadvanced \
+	--enable-geopackage \
+	--enable-gcp \
+	--enable-static \
+	--disable-shared \
+	--disable-libxml2 \
+	--disable-freexl \
+	--disable-gcov \
+	--disable-examples;
+
+spatialite: spatialite-conf
+	cd $(SPATIALITE_SRC); \
+	emmake make -j4; \
+	emmake make install;
+
+
+spatialite-clean:
+	cd $(SPATIALITE_SRC) && make clean;
+
+
+tests:
+	cd $(SPATIALITE_SRC)/test; \
+	echo " \
+	Module.preRun = function () { \
+		if (typeof ENV !== 'undefined') { \
+			ENV.PROJ_LIB = './proj'; \
+			ENV.SPATIALITE_SECURITY = 'relaxed'; \
+		} \
+		FS.mkdir('root'); \
+		FS.mount(NODEFS, { root: '.' }, 'root'); \
+		FS.chdir('root'); \
+	};" > pre.js; \
+	mkdir -p proj && cp -f $(BC_DIR)/share/proj/* proj; \
+	emmake make check -j4 LOG_COMPILE="node" \
+	LDFLAGS="$(ELD_FLAGS) -s ENVIRONMENT=node -s FORCE_FILESYSTEM=1 -s ERROR_ON_UNDEFINED_SYMBOLS=0 -s EXPORTED_FUNCTIONS="[_main]" -liconv -lminizip" \
+	CFLAGS="$(EMX_FLAGS) -D_GNU_SOURCE --pre-js pre.js";
+
+
+.PHONY: spl
+spl: src/pre.js
+	emcc -v $(EMX_FLAGS) $(ELD_FLAGS) $(DIST_FLAGS) $(EXPORTED_FUNCTIONS) $(EXPORTED_RUNTIME_METHODS) \
+	-lz -lminizip -liconv -lsqlite3 -lgeos_c -lgeos -lrttopo -lproj -L$(BC_DIR)/lib \
+	-s ERROR_ON_UNDEFINED_SYMBOLS=0 $(BC_DIR)/lib/libspatialite.a \
+	-I$(SQLITE_SRC) \
+	-I$(SPATIALITE_SRC)/src/headers \
+	-I$(SPATIALITE_SRC)/src/headers/spatialite \
+	src/spl.c --pre-js src/pre.js -o $(BUILD_DIR)/js/spl.js;
+
+clean:
+	rm -rf $(PWD)/dist/*;
+	rm -rf $(PWD)/src/build/*;