From c7bd77792edd5d5e9b33c98ba2c99d9f5c3e6188 Mon Sep 17 00:00:00 2001
From: Liu Yiqun <liuyiqun01@baidu.com>
Date: Thu, 4 Jan 2018 11:59:48 +0000
Subject: [PATCH] Support the link of inference library on mac.

---
 paddle/inference/CMakeLists.txt | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/paddle/inference/CMakeLists.txt b/paddle/inference/CMakeLists.txt
index 73c875409a..8437b2b219 100644
--- a/paddle/inference/CMakeLists.txt
+++ b/paddle/inference/CMakeLists.txt
@@ -30,7 +30,18 @@ if(PTOOLS_INC_DIR AND PTOOLS_SHARED_LIB)
 endif()
 
 add_executable(example example.cc)
-target_link_libraries(example
-    -Wl,--start-group -Wl,--whole-archive paddle_fluid
-    -Wl,--no-whole-archive -Wl,--end-group
-    ${PTOOLS_LIB})
+if(APPLE)
+  set(OPTIONAL_LINK_FLAGS)
+  if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
+    set(OPTIONAL_LINK_FLAGS "-undefined dynamic_lookup")
+  endif()
+  target_link_libraries(example
+      -Wl,-force_load paddle_fluid
+      ${OPTIONAL_LINK_FLAGS}
+      ${PTOOLS_LIB})
+else()
+  target_link_libraries(example
+      -Wl,--start-group -Wl,--whole-archive paddle_fluid
+      -Wl,--no-whole-archive -Wl,--end-group
+      ${PTOOLS_LIB})
+endif()
-- 
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