From df595fcb73e5fdb873b545576b3a43d1d8731d6d Mon Sep 17 00:00:00 2001
From: Max Lv <max.c.lv@gmail.com>
Date: Thu, 2 Feb 2017 20:27:06 +0800
Subject: [PATCH] Fix #1168

---
 Makefile.am     |  4 ++++
 configure.ac    | 15 +++++++++------
 src/Makefile.am | 12 +++++++++---
 3 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 4a25c0f2..06af285c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,8 @@
+if USE_SYSTEM_SHARED_LIB
+SUBDIRS = src
+else
 SUBDIRS = libcork libipset src
+endif
 
 if ENABLE_DOCUMENTATION
 SUBDIRS += doc
diff --git a/configure.ac b/configure.ac
index b91c297c..20a2d244 100755
--- a/configure.ac
+++ b/configure.ac
@@ -282,14 +282,17 @@ AC_CHECK_LIB([udns], [dns_dnlen], [LIBS="-ludns $LIBS"], [AC_MSG_ERROR([Couldn't
 AC_CHECK_HEADERS([ev.h], [], [AC_MSG_ERROR([Couldn't find libev. Try installing libev-dev@<:@el@:>@.])])
 AC_CHECK_LIB([ev], [ev_loop_destroy], [LIBS="-lev $LIBS"], [AC_MSG_ERROR([Couldn't find libev. Try installing libev-dev@<:@el@:>@.])])
 
-AM_COND_IF([ENABLE_DOCUMENTATION],
-  [AC_CONFIG_FILES([doc/Makefile])
-])
-
 AC_CONFIG_FILES([shadowsocks-libev.pc
                  Makefile
-                 libcork/Makefile
-                 libipset/Makefile
                  src/Makefile])
 
+AM_COND_IF([USE_SYSTEM_SHARED_LIB],
+		   [],
+		   [AC_CONFIG_FILES([libcork/Makefile
+							 libipset/Makefile])])
+
+AM_COND_IF([ENABLE_DOCUMENTATION],
+  [AC_CONFIG_FILES([doc/Makefile])
+])
+
 AC_OUTPUT
diff --git a/src/Makefile.am b/src/Makefile.am
index 5f448483..e17bee0d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,13 +2,19 @@ VERSION_INFO = 2:0:0
 
 AM_CFLAGS = -g -O2 -Wall -Werror -Wno-deprecated-declarations -fno-strict-aliasing -std=gnu99 -D_GNU_SOURCE
 AM_CFLAGS += $(PTHREAD_CFLAGS)
+if !USE_SYSTEM_SHARED_LIB
 AM_CFLAGS += -I$(top_srcdir)/libipset/include
 AM_CFLAGS += -I$(top_srcdir)/libcork/include
+endif
 AM_CFLAGS += $(LIBPCRE_CFLAGS)
 
-SS_COMMON_LIBS = $(top_builddir)/libipset/libipset.la \
-                 $(top_builddir)/libcork/libcork.la \
-                 $(INET_NTOP_LIB) $(LIBPCRE_LIBS)
+SS_COMMON_LIBS = $(INET_NTOP_LIB) $(LIBPCRE_LIBS)
+if !USE_SYSTEM_SHARED_LIB
+SS_COMMON_LIBS += $(top_builddir)/libipset/libipset.la \
+                  $(top_builddir)/libcork/libcork.la
+else
+SS_COMMON_LIBS += -lcork -lcorkipset
+endif
 SS_COMMON_LIBS += -lev -lsodium -lm
 
 bin_PROGRAMS = ss-local ss-tunnel ss-server ss-manager