diff --git a/.eqc-info b/.eqc-info
deleted file mode 100644
index ba0e2501..00000000
Binary files a/.eqc-info and /dev/null differ
diff --git a/.github/workflows/erlang.yml b/.github/workflows/erlang.yml
index 2f3ac686..ccc4593c 100644
--- a/.github/workflows/erlang.yml
+++ b/.github/workflows/erlang.yml
@@ -19,8 +19,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Compile
-        run: ./rebar3 compile
-      - name: Run xref and dialyzer
-        run: ./rebar3 do xref, dialyzer
-      - name: Run eunit
-        run: ./rebar3 do eunit
+        run: apt-get update && apt-get install -y cmake && make
+      - name: Run tests
+        run: apt-get update && apt-get install -y cmake libc6-dev && make check
diff --git a/.gitignore b/.gitignore
index b2a8c592..6537695f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ c_src/system
 _build
 .DS_Store
 rebar.lock
+snappy-*.tar.gz
diff --git a/Makefile b/Makefile
index 60edb911..b0d00683 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,12 @@
-.PHONY: compile rel cover test dialyzer
+.PHONY: compile rel cover test dialyzer get-deps
 REBAR=./rebar3
 
-compile:
+all: compile
+
+get-deps:
+	$(REBAR) get-deps
+
+compile: get-deps
 	$(REBAR) compile
 
 clean:
@@ -11,6 +16,7 @@ cover: test
 	$(REBAR) cover
 
 test: compile
+	$(MAKE) -C c_src test
 	$(REBAR) as test do eunit
 
 dialyzer:
diff --git a/c_src/Makefile b/c_src/Makefile
new file mode 100644
index 00000000..8de7e330
--- /dev/null
+++ b/c_src/Makefile
@@ -0,0 +1,50 @@
+LEVELDB_VSN ?= "2.0.38"
+SNAPPY_VSN ?= "1.1.9"
+BASEDIR = $(shell pwd)
+
+LDFLAGS := $(LDFLAGS) -L$(BASEDIR)/system/lib
+LD_LIBRARY_PATH := $(BASEDIR)/system/lib:$(LD_LIBRARY_PATH)
+CFLAGS := $(CFLAGS) -I $(BASEDIR)/system/include -I. -I $(BASEDIR)/leveldb/include -fPIC
+CXXFLAGS := $(CXXFLAGS) -I $(BASEDIR)/system/include -I. -I $(BASEDIR)/leveldb/include -fPIC
+
+get-deps:
+	if [ ! -r snappy-$(SNAPPY_VSN).tar.gz ]; then \
+	    wget -O snappy-$(SNAPPY_VSN).tar.gz https://github.com/google/snappy/archive/refs/tags/$(SNAPPY_VSN).tar.gz; \
+	fi
+	if [ ! -d leveldb ]; then \
+	    git clone https://github.com/basho/leveldb && \
+	    (cd leveldb && git checkout $(LEVELDB_VSN)) && \
+	    (cd leveldb && git submodule update --init); \
+	fi
+
+compile: get-deps snappy ldb
+	cp leveldb/perf_dump leveldb/sst_rewrite leveldb/sst_scan leveldb/leveldb_repair ../priv
+
+ldb:
+	$(MAKE) LDFLAGS="$(LDFLAGS) -lsnappy" LD_LIBRARY_PATH="$(LD_LIBRARY_PATH)" -C leveldb all
+	$(MAKE) LDFLAGS="$(LDFLAGS) -lsnappy" LD_LIBRARY_PATH="$(LD_LIBRARY_PATH)" -C leveldb tools
+
+snappy: system/lib/libsnappy.a
+
+system/lib/libsnappy.a:
+	tar -xzf snappy-$(SNAPPY_VSN).tar.gz && \
+	(cd snappy-$(SNAPPY_VSN) && \
+	 git submodule update --init && \
+	 if [ -r autogen.sh ]; then \
+	   ./autogen.sh && ./configure --prefix=$(BASEDIR)/system && make && make install; \
+	 else \
+	   mkdir build && cd build && \
+	   mkdir -p $(BASEDIR)/system && \
+	   cmake -D SNAPPY_BUILD_TESTS=0 -D SNAPPY_BUILD_BENCHMARKS=0 \
+	         -D CMAKE_INSTALL_PREFIX=$(BASEDIR)/system \
+	     ..; \
+	  fi && \
+	  make && make install)
+	mv system/lib64 system/lib || true
+
+clean:
+	$(MAKE) -C leveldb clean
+	rm -rf system snappy-$(SNAPPY_VSN)/build
+
+test: compile
+	$(MAKE) CXXFLAGS="$(CXXFLAGS) -Wno-narrowing" LDFLAGS="$(LDFLAGS) -lsnappy -lpthread" LD_LIBRARY_PATH="$(LD_LIBRARY_PATH)" -C leveldb test
diff --git a/c_src/build_deps.sh b/c_src/build_deps.sh
deleted file mode 100755
index cfb1120c..00000000
--- a/c_src/build_deps.sh
+++ /dev/null
@@ -1,106 +0,0 @@
-#!/bin/sh
-
-# /bin/sh on Solaris is not a POSIX compatible shell, but /usr/bin/ksh is.
-if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
-    POSIX_SHELL="true"
-    export POSIX_SHELL
-    exec /usr/bin/ksh $0 $@
-fi
-unset POSIX_SHELL # clear it so if we invoke other scripts, they run as ksh as well
-
-LEVELDB_VSN="2.0.36"
-
-SNAPPY_VSN="1.0.4"
-
-set -e
-
-if [ `basename $PWD` != "c_src" ]; then
-    # originally "pushd c_src" of bash
-    # but no need to use directory stack push here
-    cd c_src
-fi
-
-BASEDIR="$PWD"
-
-# detecting gmake and if exists use it
-# if not use make
-# (code from github.com/tuncer/re2/c_src/build_deps.sh
-which gmake 1>/dev/null 2>/dev/null && MAKE=gmake
-MAKE=${MAKE:-make}
-
-# Changed "make" to $MAKE
-
-case "$1" in
-    rm-deps)
-        rm -rf leveldb system snappy-$SNAPPY_VSN
-        ;;
-
-    clean)
-        rm -rf system snappy-$SNAPPY_VSN
-        if [ -d leveldb ]; then
-            (cd leveldb && $MAKE clean)
-        fi
-        rm -f ../priv/leveldb_repair ../priv/sst_scan ../priv/sst_rewrite ../priv/perf_dump
-        ;;
-
-    test)
-        export CFLAGS="$CFLAGS -I $BASEDIR/system/include"
-        export CXXFLAGS="$CXXFLAGS -I $BASEDIR/system/include"
-        export LDFLAGS="$LDFLAGS -L$BASEDIR/system/lib"
-        export LD_LIBRARY_PATH="$BASEDIR/system/lib:$LD_LIBRARY_PATH"
-        export LEVELDB_VSN="$LEVELDB_VSN"
-
-        (cd leveldb && $MAKE check)
-
-        ;;
-
-    get-deps)
-        if [ ! -d leveldb ]; then
-            git clone https://github.com/basho/leveldb
-            (cd leveldb && git checkout $LEVELDB_VSN)
-            (cd leveldb && git submodule update --init)
-        fi
-        ;;
-
-    *)
-        TARGET_OS=`uname -s`
-
-        export CFLAGS="$CFLAGS -I $BASEDIR/system/include"
-        export CXXFLAGS="$CXXFLAGS -I $BASEDIR/system/include"
-        # On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp
-        if [ "$TARGET_OS" = "Darwin" ]; then
-            export MACOSX_DEPLOYMENT_TARGET=10.8
-            export CFLAGS="$CFLAGS -stdlib=libc++"
-            export CXXFLAGS="$CXXFLAGS -stdlib=libc++"
-        fi
-        
-        if [ ! -d snappy-$SNAPPY_VSN ]; then
-            tar -xzf snappy-$SNAPPY_VSN.tar.gz
-            (cd snappy-$SNAPPY_VSN && ./configure --disable-shared --prefix=$BASEDIR/system --libdir=$BASEDIR/system/lib --with-pic)
-        fi
-
-        if [ ! -f system/lib/libsnappy.a ]; then
-            (cd snappy-$SNAPPY_VSN && $MAKE && $MAKE install)
-        fi
-
-        
-        export LDFLAGS="$LDFLAGS -L$BASEDIR/system/lib"
-        export LD_LIBRARY_PATH="$BASEDIR/system/lib:$LD_LIBRARY_PATH"
-        export LEVELDB_VSN="$LEVELDB_VSN"
-
-        if [ ! -d leveldb ]; then
-            git clone https://github.com/basho/leveldb
-            (cd leveldb && git checkout $LEVELDB_VSN)
-            (cd leveldb && git submodule update --init)
-        fi
-
-        # hack issue where high level make is running -j 4
-        #  and causes build errors in leveldb
-        export MAKEFLAGS=
-
-        (cd leveldb && $MAKE -j 3 all)
-        (cd leveldb && $MAKE -j 3 tools)
-        (cp leveldb/perf_dump leveldb/sst_rewrite leveldb/sst_scan leveldb/leveldb_repair ../priv)
-
-        ;;
-esac
diff --git a/c_src/snappy-1.0.4.tar.gz b/c_src/snappy-1.0.4.tar.gz
deleted file mode 100644
index a34852f2..00000000
Binary files a/c_src/snappy-1.0.4.tar.gz and /dev/null differ
diff --git a/rebar.config b/rebar.config
index 41d712bc..10b4612e 100644
--- a/rebar.config
+++ b/rebar.config
@@ -30,7 +30,7 @@
              {"DRV_LDFLAGS", "$DRV_LDFLAGS c_src/leveldb/libleveldb.a c_src/system/lib/libsnappy.a -lstdc++"}
              ]}.
 
-{pre_hooks, [{'get-deps', "c_src/build_deps.sh get-deps"},
-             {compile, "c_src/build_deps.sh"}]}.
+{pre_hooks, [{'get-deps', "make -C c_src get-deps"},
+             {compile, "make -C c_src compile"}]}.
 
-{post_hooks, [{clean, "c_src/build_deps.sh clean"}]}.
+{post_hooks, [{clean, "make -C c_src clean"}]}.
diff --git a/tools.mk b/tools.mk
deleted file mode 100644
index 07dfdd7f..00000000
--- a/tools.mk
+++ /dev/null
@@ -1,69 +0,0 @@
-REBAR ?= ./rebar
-
-compile-no-deps:
-	${REBAR} compile skip_deps=true
-
-test: compile
-	${REBAR} eunit skip_deps=true
-
-docs:
-	${REBAR} doc skip_deps=true
-
-xref: compile
-	${REBAR} xref skip_deps=true
-
-PLT ?= $(HOME)/.combo_dialyzer_plt
-LOCAL_PLT = .local_dialyzer_plt
-DIALYZER_FLAGS ?= -Wunmatched_returns
-
-${PLT}: compile
-	@if [ -f $(PLT) ]; then \
-		dialyzer --check_plt --plt $(PLT) --apps $(DIALYZER_APPS) && \
-		dialyzer --add_to_plt --plt $(PLT) --output_plt $(PLT) --apps $(DIALYZER_APPS) ; test $$? -ne 1; \
-	else \
-		dialyzer --build_plt --output_plt $(PLT) --apps $(DIALYZER_APPS); test $$? -ne 1; \
-	fi
-
-${LOCAL_PLT}: compile
-	@if [ -d deps ]; then \
-		if [ -f $(LOCAL_PLT) ]; then \
-			dialyzer --check_plt --plt $(LOCAL_PLT) deps/*/ebin  && \
-			dialyzer --add_to_plt --plt $(LOCAL_PLT) --output_plt $(LOCAL_PLT) deps/*/ebin ; test $$? -ne 1; \
-		else \
-			dialyzer --build_plt --output_plt $(LOCAL_PLT) deps/*/ebin ; test $$? -ne 1; \
-		fi \
-	fi
-
-dialyzer-run:
-	@echo "==> $(shell basename $(shell pwd)) (dialyzer)"
-	@if [ -f $(LOCAL_PLT) ]; then \
-		PLTS="$(PLT) $(LOCAL_PLT)"; \
-	else \
-		PLTS=$(PLT); \
-	fi; \
-	if [ -f dialyzer.ignore-warnings ]; then \
-		if [ $$(grep -cvE '[^[:space:]]' dialyzer.ignore-warnings) -ne 0 ]; then \
-			echo "ERROR: dialyzer.ignore-warnings contains a blank/empty line, this will match all messages!"; \
-			exit 1; \
-		fi; \
-		dialyzer $(DIALYZER_FLAGS) --plts $${PLTS} -c ebin > dialyzer_warnings ; \
-		egrep -v "^\s*(done|Checking|Proceeding|Compiling)" dialyzer_warnings | grep -F -f dialyzer.ignore-warnings -v > dialyzer_unhandled_warnings ; \
-		cat dialyzer_unhandled_warnings ; \
-		[ $$(cat dialyzer_unhandled_warnings | wc -l) -eq 0 ] ; \
-	else \
-		dialyzer $(DIALYZER_FLAGS) --plts $${PLTS} -c ebin; \
-	fi
-
-dialyzer-quick: compile-no-deps dialyzer-run
-
-dialyzer: ${PLT} ${LOCAL_PLT} dialyzer-run
-
-cleanplt:
-	@echo
-	@echo "Are you sure?  It takes several minutes to re-build."
-	@echo Deleting $(PLT) and $(LOCAL_PLT) in 5 seconds.
-	@echo
-	sleep 5
-	rm $(PLT)
-	rm $(LOCAL_PLT)
-