Add settings for port compiler

c_src/build_deps.sh

@@ -8,7 +8,8 @@ if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
 fi
 unset POSIX_SHELL # clear it so if we invoke other scripts, they run as ksh as well
 
-LEVELDB_VSN="develop"
+# TODO: Should we use/trust "develop" as the most recent maintained version.
+LEVELDB_VSN="2.0.35"
 
 set -e
 

rebar.config

@@ -7,17 +7,29 @@
 
 {xref_checks, [undefined_function_calls]}.
 
-{port_sources, ["c_src/*.cc"]}.
-
-{erl_opts, [warnings_as_errors, {parse_transform, lager_transform}, debug_info]}.
-
-{deps, [
-        {lager, ".*", {git, "git://github.com/basho/lager.git", {tag, "2.1.1"}}}
-       ]}.
-
-{pre_hooks, [{'get-deps', "c_src/build_deps.sh get-deps"},
-             {compile, "c_src/build_deps.sh"},
-             {"(linux|darwin|solaris)", compile, "make -C c_src"},
-             {"freebsd", compile, "gmake -C c_src"}]}.
-
-{post_hooks, [{clean, "c_src/build_deps.sh clean"}]}.
+{port_specs, [{ "priv/eleveldb.so", ["c_src/*.cc"] }]}.
+
+{erl_opts, [debug_info]}.
+
+{port_env, [
+         %% Make sure to set -fPIC when compiling leveldb
+        {"CFLAGS", "$CFLAGS -Wall -O3 -fPIC"},
+        {"CXXFLAGS", "$CXXFLAGS -Wall -O3 -fPIC"},
+        {"DRV_CFLAGS", "$DRV_CFLAGS -O3 -Wall -I c_src/leveldb/include -I c_src/leveldb -I c_src/system/include"},
+        {"DRV_LDFLAGS", "$DRV_LDFLAGS c_src/leveldb/libleveldb.a -lsnappy -lstdc++"}
+]}.
+
+{pre_hooks, [
+             {"(linux|darwin|solaris|freebsd)", compile, "c_src/build_deps.sh get-deps"},
+             {"(linux|darwin|solaris|freebsd)", compile, "c_src/build_deps.sh"} 
+            ]}.
+
+{provider_hooks, [
+     {post,
+         [
+            {compile, {pc, compile}},
+            {clean, {pc, clean}}
+         ]
+     }
+]
+}.