use libdeflate rather than zlib

CMakeLists.txt

@@ -31,7 +31,7 @@ IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
     LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})
 ENDIF ()
 
-find_package(Boost 1.66 REQUIRED COMPONENTS system filesystem program_options iostreams)
+find_package(Boost 1.66 REQUIRED COMPONENTS system filesystem program_options)
 
 find_package(libshp REQUIRED)
 
@@ -47,8 +47,6 @@ else()
 	include_directories(${LUAJIT_INCLUDE_DIR})
 endif()
 
-find_package(ZLIB REQUIRED)
-
 set(CMAKE_CXX_STANDARD 17)
 
 if(!TM_VERSION)
@@ -75,6 +73,17 @@ file(GLOB tilemaker_src_files
 	src/external/streamvbyte_decode.c
 	src/external/streamvbyte_encode.c
 	src/external/streamvbyte_zigzag.c
+	src/external/libdeflate/lib/adler32.c
+	src/external/libdeflate/lib/arm/cpu_features.c
+	src/external/libdeflate/lib/crc32.c
+	src/external/libdeflate/lib/deflate_compress.c
+	src/external/libdeflate/lib/deflate_decompress.c
+	src/external/libdeflate/lib/gzip_compress.c
+	src/external/libdeflate/lib/gzip_decompress.c
+	src/external/libdeflate/lib/utils.c
+	src/external/libdeflate/lib/x86/cpu_features.c
+	src/external/libdeflate/lib/zlib_compress.c
+	src/external/libdeflate/lib/zlib_decompress.c
 	src/geojson_processor.cpp
 	src/geom.cpp
 	src/helpers.cpp
@@ -114,9 +123,8 @@ target_link_libraries(tilemaker
 		${LUA_LIBRARIES}
 		shapelib::shp
 		SQLite::SQLite3
-		ZLIB::ZLIB
 		Rapidjson::rapidjson
-		Boost::system Boost::filesystem Boost::program_options Boost::iostreams)
+		Boost::system Boost::filesystem Boost::program_options)
 
 include(CheckCxxAtomic)
 if(NOT HAVE_CXX11_ATOMIC)

Dockerfile

@@ -9,10 +9,8 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
     libboost-program-options-dev \
     libboost-filesystem-dev \
     libboost-system-dev \
-    libboost-iostreams-dev \
     rapidjson-dev \
-    cmake \
-    zlib1g-dev && \
+    cmake && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /usr/src/app
@@ -38,8 +36,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
     shapelib \
     libsqlite3-0 \
     libboost-filesystem1.74.0 \
-    libboost-program-options1.74.0 \
-    libboost-iostreams1.74.0 && \
+    libboost-program-options1.74.0 && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /usr/src/app

Makefile

@@ -76,7 +76,7 @@ MANPREFIX := /usr/share/man
 TM_VERSION ?= $(shell git describe --tags --abbrev=0)
 CXXFLAGS ?= -O3 -Wall -Wno-unknown-pragmas -Wno-sign-compare -std=c++14 -pthread -fPIE -DTM_VERSION=$(TM_VERSION) $(CONFIG)
 CFLAGS ?= -O3 -Wall -Wno-unknown-pragmas -Wno-sign-compare -std=c99 -fPIE -DTM_VERSION=$(TM_VERSION) $(CONFIG)
-LIB := -L$(PLATFORM_PATH)/lib -lz $(LUA_LIBS) -lboost_program_options -lsqlite3 -lboost_filesystem -lboost_system -lboost_iostreams -lshp -pthread
+LIB := -L$(PLATFORM_PATH)/lib $(LUA_LIBS) -lboost_program_options -lsqlite3 -lboost_filesystem -lboost_system -lshp -pthread
 INC := -I$(PLATFORM_PATH)/include -isystem ./include -I./src $(LUA_CFLAGS)
 
 # Targets
@@ -91,6 +91,17 @@ tilemaker: \
 	src/external/streamvbyte_decode.o \
 	src/external/streamvbyte_encode.o \
 	src/external/streamvbyte_zigzag.o \
+	src/external/libdeflate/lib/adler32.o \
+	src/external/libdeflate/lib/arm/cpu_features.o \
+	src/external/libdeflate/lib/crc32.o \
+	src/external/libdeflate/lib/deflate_compress.o \
+	src/external/libdeflate/lib/deflate_decompress.o \
+	src/external/libdeflate/lib/gzip_compress.o \
+	src/external/libdeflate/lib/gzip_decompress.o \
+	src/external/libdeflate/lib/utils.o \
+	src/external/libdeflate/lib/x86/cpu_features.o \
+	src/external/libdeflate/lib/zlib_compress.o \
+	src/external/libdeflate/lib/zlib_decompress.o \
 	src/geojson_processor.o \
 	src/geom.o \
 	src/helpers.o \
@@ -155,6 +166,17 @@ test_deque_map: \
 
 test_helpers: \
 	src/helpers.o \
+	src/external/libdeflate/lib/adler32.o \
+	src/external/libdeflate/lib/arm/cpu_features.o \
+	src/external/libdeflate/lib/crc32.o \
+	src/external/libdeflate/lib/deflate_compress.o \
+	src/external/libdeflate/lib/deflate_decompress.o \
+	src/external/libdeflate/lib/gzip_compress.o \
+	src/external/libdeflate/lib/gzip_decompress.o \
+	src/external/libdeflate/lib/utils.o \
+	src/external/libdeflate/lib/x86/cpu_features.o \
+	src/external/libdeflate/lib/zlib_compress.o \
+	src/external/libdeflate/lib/zlib_decompress.o \
 	test/helpers.test.o
 	$(CXX) $(CXXFLAGS) -o test.helpers $^ $(INC) $(LIB) $(LDFLAGS) && ./test.helpers
 
@@ -206,6 +228,17 @@ test_tile_coordinates_set: \
 test_pbf_reader: \
 	src/helpers.o \
 	src/pbf_reader.o \
+	src/external/libdeflate/lib/adler32.o \
+	src/external/libdeflate/lib/arm/cpu_features.o \
+	src/external/libdeflate/lib/crc32.o \
+	src/external/libdeflate/lib/deflate_compress.o \
+	src/external/libdeflate/lib/deflate_decompress.o \
+	src/external/libdeflate/lib/gzip_compress.o \
+	src/external/libdeflate/lib/gzip_decompress.o \
+	src/external/libdeflate/lib/utils.o \
+	src/external/libdeflate/lib/x86/cpu_features.o \
+	src/external/libdeflate/lib/zlib_compress.o \
+	src/external/libdeflate/lib/zlib_decompress.o \
 	test/pbf_reader.test.o
 	$(CXX) $(CXXFLAGS) -o test.pbf_reader $^ $(INC) $(LIB) $(LDFLAGS) && ./test.pbf_reader
 
@@ -227,6 +260,6 @@ install:
 	@install docs/man/tilemaker.1 ${DESTDIR}${MANPREFIX}/man1/ || true
 
 clean:
-	rm -f tilemaker tilemaker-server src/*.o src/external/*.o include/*.o include/*.pb.h server/*.o test/*.o
+	rm -f tilemaker tilemaker-server src/*.o src/external/*.o src/external/libdeflate/lib/*.o src/external/libdeflate/lib/*/*.o include/*.o include/*.pb.h server/*.o test/*.o
 
 .PHONY: install

README.md

@@ -116,13 +116,14 @@ The tilemaker code is licensed as FTWPL; you may do anything you like with this
 
 Licenses of third-party libraries:
 
-- [sqlite_modern_cpp](https://github.com/SqliteModernCpp/sqlite_modern_cpp) is licensed under MIT
 - [kaguya](https://github.com/satoren/kaguya) is licensed under the Boost Software Licence
+- [libdeflate](https://github.com/ebiggers/libdeflate/) is licensed under MIT
 - [libpopcnt](https://github.com/kimwalisch/libpopcnt) is licensed under BSD 2-clause
+- [minunit](https://github.com/siu/minunit) is licensed under MIT
 - [pmtiles](https://github.com/protomaps/PMTiles) is licensed under BSD 3-clause
-- [streamvbyte](https://github.com/lemire/streamvbyte) is licensed under Apache 2
 - [polylabel](https://github.com/mapbox/polylabel) is licensed under ISC
 - [protozero](https://github.com/mapbox/protozero) is licensed under BSD 2-clause
-- [vtzero](https://github.com/mapbox/vtzero) is licensed under BSD 2-clause
-- [minunit](https://github.com/siu/minunit) is licensed under MIT
 - [Simple-Web-Server](https://gitlab.com/eidheim/Simple-Web-Server) is licensed under MIT
+- [sqlite_modern_cpp](https://github.com/SqliteModernCpp/sqlite_modern_cpp) is licensed under MIT
+- [streamvbyte](https://github.com/lemire/streamvbyte) is licensed under Apache 2
+- [vtzero](https://github.com/mapbox/vtzero) is licensed under BSD 2-clause

docs/INSTALL.md

@@ -17,7 +17,7 @@ Then:
 
 Start with:
 
-    sudo apt install build-essential libboost-dev libboost-filesystem-dev libboost-iostreams-dev libboost-program-options-dev libboost-system-dev liblua5.1-0-dev libshp-dev libsqlite3-dev rapidjson-dev zlib1g-dev
+    sudo apt install build-essential libboost-dev libboost-filesystem-dev libboost-program-options-dev libboost-system-dev liblua5.1-0-dev libshp-dev libsqlite3-dev rapidjson-dev
 
 Once you've installed those, then `cd` back to your Tilemaker directory and simply:
 
@@ -30,7 +30,7 @@ If it fails, check that the LIB and INC lines in the Makefile correspond with yo
 
 Start with:
 
-    dnf install lua-devel luajit-devel sqlite-devel shapelib-devel rapidjson-devel boost-devel zlib-devel
+    dnf install lua-devel luajit-devel sqlite-devel shapelib-devel rapidjson-devel boost-devel
 
 then build either with lua: