Merge pull request #348 from isuruf/hide

Hide all symbols except PyInit_symengine_wrapper

Author: isuruf

cmake/FindPython.cmake

@@ -112,12 +112,19 @@ macro(ADD_PYTHON_LIBRARY name)
         # and "-flat_namespace -undefined suppress" link flags, that we need
         # to add by hand:
         set_target_properties(${name} PROPERTIES
-            LINK_FLAGS "-flat_namespace -undefined suppress")
-    ELSE(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+            LINK_FLAGS "-flat_namespace -undefined suppress -Wl,--exported_symbol,_PyInit_${name}")
+    ELSEIF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
         # on Linux, we need to use the "-shared" gcc flag, which is what SHARED
         # does:
+        set(PYTHON_EXTENSION_NAME ${name})
         add_library(${name} SHARED ${ARGN})
-    ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+        configure_file(${CMAKE_SOURCE_DIR}/cmake/version_script.txt
+            ${CMAKE_CURRENT_BINARY_DIR}/version_script_${name}.txt @ONLY)
+        set_target_properties(${name} PROPERTIES
+            LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_BINARY_DIR}/version_script_${name}.txt")
+    ELSE()
+        add_library(${name} SHARED ${ARGN})
+    ENDIF()
     set_target_properties(${name} PROPERTIES PREFIX "")
     set_target_properties(${name} PROPERTIES OUTPUT_NAME "${name}${PYTHON_EXTENSION_SOABI}")
     IF(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")

cmake/version_script.txt

@@ -0,0 +1,4 @@
+{
+  global: PyInit_@PYTHON_EXTENSION_NAME@;
+  local: *;
+};

setup.py

@@ -214,7 +214,7 @@ def finalize_options(self):
 '''
 
 setup(name="symengine",
-      version="0.7.0.post3",
+      version="0.7.1",
       description="Python library providing wrappers to SymEngine",
       setup_requires=['cython>=0.19.1'],
       long_description=long_description,

symengine/__init__.py

@@ -55,7 +55,7 @@ def lambdify(args, exprs, **kwargs):
         return Lambdify(args, *exprs, **kwargs)
 
 
-__version__ = "0.7.0.post3"
+__version__ = "0.7.1"
 
 
 # To not expose internals