Detect FDB_API_VERSION from fdbcli --version
diff --git a/rebar.config b/rebar.config
index 148d1f2..559bcac 100644
--- a/rebar.config
+++ b/rebar.config
@@ -17,29 +17,7 @@
{"priv/erlfdb_nif.so", ["c_src/*.c"]}
]}.
-{port_env, [
- {
- "(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
- "CFLAGS",
- "$CFLAGS -I/usr/local/include -Ic_src/ -g -Wall -Werror"
- },
- {
- "win32",
- "CFLAGS",
- "$CFLAGS /I\"c:/Program Files/foundationdb/include\" /O2 /DNDEBUG"
- },
-
- {
- "(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
- "LDFLAGS",
- "$LDFLAGS -L/usr/local/lib -lfdb_c"
- },
- {
- "win32",
- "LDFLAGS",
- "$LDFLAGS /LIBPATH:\"c:/Program Files/foundationdb/lib/foundationdb\" fdb_c.lib"
- }
-]}.
+% port_env compile / link flags dynamically generated in rebar.config.script
{profiles, [
{devcontainer, [
diff --git a/rebar.config.script b/rebar.config.script
new file mode 100644
index 0000000..7a8dbb6
--- /dev/null
+++ b/rebar.config.script
@@ -0,0 +1,34 @@
+% Hacky means to extract API version from fdbcli protocol version output
+% See https://github.com/apple/foundationdb/blob/master/flow/ProtocolVersion.h
+MaxAPIVersion =
+ begin
+ VsnInfo = os:cmd("fdbcli --version"),
+ {match, [ProtocolStr]} = re:run(VsnInfo, "protocol ([a-f0-9]*)", [{capture, [1], list}]),
+ ProtocolVsn = list_to_integer(ProtocolStr, 16),
+ APIVersionBytes = (ProtocolVsn band 16#0000000FFF00000) bsr 20,
+ integer_to_list(APIVersionBytes, 16)
+ end.
+
+[{port_env, [
+ {
+ "(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
+ "CFLAGS",
+ "$CFLAGS -I/usr/local/include -Ic_src/ -g -Wall -Werror -DFDB_API_VERSION=" ++ MaxAPIVersion
+ },
+ {
+ "win32",
+ "CFLAGS",
+ "$CFLAGS /I\"c:/Program Files/foundationdb/include\" /O2 /DNDEBUG /DFDB_API_VERSION=" ++ MaxAPIVersion
+ },
+
+ {
+ "(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
+ "LDFLAGS",
+ "$LDFLAGS -L/usr/local/lib -lfdb_c"
+ },
+ {
+ "win32",
+ "LDFLAGS",
+ "$LDFLAGS /LIBPATH:\"c:/Program Files/foundationdb/lib/foundationdb\" fdb_c.lib"
+ }
+]}] ++ CONFIG.
