Need to limit the symbol in libpaddle_fluid.so

[Xreki]

All the dependent third party libraries (protobuf, gflags, glog, etc) are linked to libpaddle_fluid.so, so that in inference codes users only need to link libpaddle_fluid.so. But if users need to link another glog library of different version, the compiling will fail because of conflict of symbols. We need to limit the symbol table of libpaddle_fluid.so as do in capi

Paddle/paddle/capi/CMakeLists.txt

Lines 71 to 73 in 48f213e

	set(LINK_FLAGS "-Wl,--version-script ${CMAKE_CURRENT_SOURCE_DIR}/paddle_capi.map")
	add_library(paddle_capi_shared SHARED ${CAPI_SOURCES})
	set_target_properties(paddle_capi_shared PROPERTIES LINK_FLAGS "${LINK_FLAGS}")

[wangkuiyi]

May I know how doesn paddle_capi.map work, or how to learn more about *.map?

I am working on #9719 to refactorize paddle/fluid/memory. However, the CI always fails at linking tests in paddle/fluid/inference/tests/book/*, complaining symbols being defined multiple times.

I tried to make clean && make -j60 locally, but got the same errors.

[100%] Linking CXX executable test_inference_recommender_system
[100%] Linking CXX executable test_inference_recognize_digits_mlp
[100%] Linking CXX executable test_inference_word2vec
[100%] Linking CXX executable test_inference_recognize_digits_conv
[100%] Linking CXX executable test_inference_label_semantic_roles
[100%] Linking CXX executable test_inference_understand_sentiment_conv
[100%] Linking CXX executable test_inference_image_classification_vgg
[100%] Linking CXX executable test_inference_image_classification_resnet
[100%] Linking CXX executable test_inference_fit_a_line
../../libpaddle_fluid.a(malloc.cc.o): In function `paddle::memory::GetCPUBuddyAllocator()':
/paddle/paddle/fluid/memory/malloc.cc:32: multiple definition of `paddle::memory::GetCPUBuddyAllocator()'
../../libpaddle_fluid.a(memory.cc.o):/paddle/paddle/fluid/string/tinyformat/tinyformat.h:737: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `void* paddle::memory::Alloc<paddle::platform::CPUPlace>(paddle::platform::CPUPlace, unsigned long)':
/paddle/paddle/fluid/memory/malloc.cc:41: multiple definition of `void* paddle::memory::Alloc<paddle::platform::CPUPlace>(paddle::platform::CPUPlace, unsigned long)'
../../libpaddle_fluid.a(memory.cc.o):/usr/include/c++/5/bits/basic_ios.h:462: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `void paddle::memory::Free<paddle::platform::CPUPlace>(paddle::platform::CPUPlace, void*)':
/paddle/paddle/fluid/memory/malloc.cc:49: multiple definition of `void paddle::memory::Free<paddle::platform::CPUPlace>(paddle::platform::CPUPlace, void*)'
../../libpaddle_fluid.a(memory.cc.o):/usr/include/c++/5/bits/basic_ios.h:372: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `unsigned long paddle::memory::Used<paddle::platform::CPUPlace>(paddle::platform::CPUPlace)':
/paddle/paddle/fluid/memory/malloc.cc:55: multiple definition of `unsigned long paddle::memory::Used<paddle::platform::CPUPlace>(paddle::platform::CPUPlace)'
../../libpaddle_fluid.a(memory.cc.o):/paddle/paddle/fluid/string/tinyformat/tinyformat.h:654: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `paddle::memory::Usage::operator()(paddle::platform::CPUPlace const&) const':
/paddle/paddle/fluid/memory/malloc.cc:149: multiple definition of `paddle::memory::Usage::operator()(paddle::platform::CPUPlace const&) const'
../../libpaddle_fluid.a(memory.cc.o):/paddle/paddle/fluid/string/tinyformat/tinyformat.h:661: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `paddle::memory::Usage::operator()(paddle::platform::CUDAPlace const&) const':
/paddle/paddle/fluid/memory/malloc.cc:153: multiple definition of `paddle::memory::Usage::operator()(paddle::platform::CUDAPlace const&) const'
../../libpaddle_fluid.a(memory.cc.o):/usr/include/c++/5/bits/basic_ios.h:372: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `paddle::memory::Usage::operator()(paddle::platform::CUDAPinnedPlace const&) const':
/paddle/paddle/fluid/memory/malloc.cc:161: multiple definition of `paddle::memory::Usage::operator()(paddle::platform::CUDAPinnedPlace const&) const'
../../libpaddle_fluid.a(memory.cc.o):/usr/include/c++/5/bits/basic_ios.h:450: first defined here
../../libpaddle_fluid.a(malloc.cc.o): In function `paddle::memory::memory_usage(boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&)':
/paddle/paddle/fluid/memory/malloc.cc:169: multiple definition of `paddle::memory::memory_usage(boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&)'
../../libpaddle_fluid.a(memory.cc.o):/usr/include/c++/5/bits/basic_string.h:179: first defined here
../../libpaddle_fluid.a(meta_cache.cc.o): In function `paddle::memory::detail::MetadataCache::MetadataCache(bool)':
/paddle/paddle/fluid/memory/detail/meta_cache.cc:23: multiple definition of `paddle::memory::detail::MetadataCache::MetadataCache(bool)'
../../libpaddle_fluid.a(meta_cache.cc.o):/paddle/paddle/fluid/memory/detail/meta_cache.cc:24: first defined here
../../libpaddle_fluid.a(meta_cache.cc.o): In function `paddle::memory::detail::MetadataCache::MetadataCache(bool)':
/paddle/paddle/fluid/memory/detail/meta_cache.cc:23: multiple definition of `paddle::memory::detail::MetadataCache::MetadataCache(bool)'
../../libpaddle_fluid.a(meta_cache.cc.o):/paddle/paddle/fluid/memory/detail/meta_cache.cc:24: first defined here
../../libpaddle_fluid.a(meta_cache.cc.o): In function `paddle::memory::detail::MetadataCache::invalidate(paddle::memory::detail::MemoryBlock*)':
/paddle/paddle/fluid/memory/detail/meta_cache.cc:51: multiple definition of `paddle::memory::detail::MetadataCache::invalidate(paddle::memory::detail::MemoryBlock*)'
../../libpaddle_fluid.a(meta_cache.cc.o):/paddle/paddle/fluid/memory/detail/meta_cache.cc:53: first defined here