Only export marked symbols in cmake build.

benmwebb · benmwebb · commit e329212ce36c · 2015-09-08T14:08:42.000-07:00
diff --git a/pyext/CMakeLists.txt b/pyext/CMakeLists.txt
@@ -12,6 +12,7 @@ endif()
 
 INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_DIRS})
 include_directories(BEFORE "${PROJECT_SOURCE_DIR}/src")
+include_directories(BEFORE "${CMAKE_BINARY_DIR}/src")
 
 FILE(GLOB SWIG_INCLUDES "*.i")
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -1,16 +1,24 @@
+include(GenerateExportHeader)
 file(GLOB_RECURSE cfiles "*.c")
 
 configure_file("mdt_version.c.in"
                "${PROJECT_BINARY_DIR}/src/mdt_version.c")
 list(APPEND cfiles "${PROJECT_BINARY_DIR}/src/mdt_version.c")
 
+include_directories(BEFORE "${CMAKE_BINARY_DIR}/src")
 include_directories(".")
 add_library(mdt-lib SHARED ${cfiles})
 set_target_properties(mdt-lib PROPERTIES
                       RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
-                      OUTPUT_NAME "mdt")
+                      OUTPUT_NAME "mdt"
+                      C_VISIBILITY_PRESET hidden)
 set_property(TARGET mdt-lib PROPERTY COMPILE_DEFINITIONS
-             "MDT_EXPORTS;MDT_SIZEOF_POINTER=${CMAKE_SIZEOF_VOID_P}")
+             "MDT_SIZEOF_POINTER=${CMAKE_SIZEOF_VOID_P}")
+generate_export_header(mdt-lib
+                       EXPORT_FILE_NAME "${CMAKE_BINARY_DIR}/src/mdt_config.h"
+                       EXPORT_MACRO_NAME MDTDLLEXPORT
+                       NO_EXPORT_MACRO_NAME MDTDLLLOCAL)
+
 target_link_libraries(mdt-lib
                       ${EXTRA_LIBS})
 INSTALL(TARGETS mdt-lib DESTINATION ${CMAKE_INSTALL_LIBDIR})
