From 0b8a5af19b866b9949bfc9bfcc1c63410f61afdc Mon Sep 17 00:00:00 2001
From: Artem Teslenko <ates@ipv6.dp.ua>
Date: Tue, 2 Oct 2012 10:55:44 +0200
Subject: [PATCH 1/4] Add possibility to compile epcap with PF_RING

---
 rebar.config.script | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 rebar.config.script

diff --git a/rebar.config.script b/rebar.config.script
new file mode 100644
index 0000000..277c9ef
--- /dev/null
+++ b/rebar.config.script
@@ -0,0 +1,17 @@
+case os:getenv("PFRING") of
+    false ->
+        CONFIG;
+    Value ->
+        case filelib:is_dir(Value) of
+            true ->
+                case lists:keysearch(port_env, 1, CONFIG) of
+                    {value, {port_env, Flags}} ->
+                        {"EXE_LDFLAGS", LDFLAGS} = hd(Flags),
+                        NewFlags = LDFLAGS ++ " -static -L " ++ Value ++ " -lpfring -lpthread",
+                        NewLDFLAGS = lists:keyreplace("EXE_LDFLAGS", 1, Flags, {"EXE_LDFLAGS", NewFlags}),
+                        lists:keyreplace(port_env, 1, CONFIG, {port_env, NewLDFLAGS});
+                    _ -> CONFIG
+                end;
+            _ -> CONFIG
+        end
+end.

From fa8c364186718f375131128dddc72f1715b08255 Mon Sep 17 00:00:00 2001
From: Artem Teslenko <ates@ipv6.dp.ua>
Date: Tue, 2 Oct 2012 15:21:28 +0200
Subject: [PATCH 2/4] Fix formatting

---
 rebar.config | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/rebar.config b/rebar.config
index 7a1ac27..690e219 100644
--- a/rebar.config
+++ b/rebar.config
@@ -2,10 +2,12 @@
     {"EXE_LDFLAGS", "-lpcap $ERL_LDFLAGS"},
     {"linux", "EXE_CFLAGS", "$EXE_CFLAGS -DEPCAP_RLIMIT_NOFILES=1"},
     {"solaris", "EXE_CFLAGS", "$EXE_CFLAGS -DEPCAP_RLIMIT_NOFILES=1"}
-    ]}.
+]}.
+
 {port_specs, [
     {"priv/epcap", ["c_src/epcap.c", "c_src/epcap_priv.c"]}
-    ]}.
+]}.
+
 {deps, [
     {pkt, ".*", {git, "https://github.com/msantos/pkt.git", "master"}}
-    ]}.
+]}.

From f1a01092e929bb1579f8118ca290084c901b02ec Mon Sep 17 00:00:00 2001
From: Artem Teslenko <ates@ipv6.dp.ua>
Date: Wed, 3 Oct 2012 11:51:12 +0200
Subject: [PATCH 3/4] Update README

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index e3d5e46..507eabe 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,17 @@ epcap includes a small example program called sniff.
         The Packet is a binary holding the captured data.
 
 
+## PF_RING
+
+        In case you want to compile epcap with PF_RING support,
+        just specify the path to the libpfring and modified libpcap
+        via shell variable PFRING.
+
+            PFRING=/home/user/pfring make
+
+        As a result epcap binary will be linked with the following flags: -static -lpfring -lpthread
+
+
 ## SCREENSHOT
 
     =INFO REPORT==== 6-Jan-2010::20:35:18 ===

From 5b279e4bd8b0ec3082c690d0c7d58a8ac81fe8a8 Mon Sep 17 00:00:00 2001
From: Artem Teslenko <ates@ipv6.dp.ua>
Date: Wed, 3 Oct 2012 11:52:35 +0200
Subject: [PATCH 4/4] Fix README

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 507eabe..929371c 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ epcap includes a small example program called sniff.
 ## PF_RING
 
         In case you want to compile epcap with PF_RING support,
-        just specify the path to the libpfring and modified libpcap
+        just specify the path to the libpfring and modified libpcap libraries
         via shell variable PFRING.
 
             PFRING=/home/user/pfring make