Export symbols for Windows dlls.

CMakeLists.txt

-CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8.6)
 INCLUDE(CheckIncludeFiles)
 INCLUDE(TestBigEndian)
 INCLUDE(CheckCSourceCompiles)
@@ -75,6 +75,7 @@ CONFIGURE_FILE(
   ${CMAKE_CURRENT_BINARY_DIR}/config.h
   )
 
+SET(BUILD_SHARED_LIBS TRUE)
 INCLUDE_DIRECTORIES("${PROJECT_BINARY_DIR}")
 ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(tests EXCLUDE_FROM_ALL)

src/CMakeLists.txt

+INCLUDE(GenerateExportHeader)
 SET(libaec_SRCS encode.c encode_accessors.c decode.c)
-ADD_LIBRARY(aec SHARED ${libaec_SRCS})
+ADD_LIBRARY(aec ${libaec_SRCS})
 SET_TARGET_PROPERTIES(aec PROPERTIES
   VERSION 0
   SOVERSION 0.0
   )
-ADD_LIBRARY(sz SHARED sz_compat.c)
+ADD_LIBRARY(sz sz_compat.c)
 SET_TARGET_PROPERTIES(sz PROPERTIES
   VERSION 0
   SOVERSION 0.0
   )
+
+IF(WIN32)
+  GENERATE_EXPORT_HEADER(aec
+    BASE_NAME aec
+    EXPORT_MACRO_NAME aec_EXPORT
+    EXPORT_FILE_NAME aec_Export.h
+    STATIC_DEFINE aec_BUILT_AS_STATIC
+    )
+  GENERATE_EXPORT_HEADER(sz
+    BASE_NAME sz
+    EXPORT_MACRO_NAME sz_EXPORT
+    EXPORT_FILE_NAME sz_Export.h
+    STATIC_DEFINE sz_BUILT_AS_STATIC
+    )
+ENDIF(WIN32)
+
 TARGET_LINK_LIBRARIES(sz aec)
 
 ADD_EXECUTABLE(aec_client aec.c)
 SET_TARGET_PROPERTIES(aec_client PROPERTIES OUTPUT_NAME "aec")
 TARGET_LINK_LIBRARIES(aec_client aec)
-ADD_EXECUTABLE(utime EXCLUDE_FROM_ALL utime.c)
+IF(UNIX)
+  ADD_EXECUTABLE(utime EXCLUDE_FROM_ALL utime.c)
+ENDIF(UNIX)
 
 INSTALL(FILES libaec.h szlib.h DESTINATION include)
 INSTALL(TARGETS aec sz

tests/CMakeLists.txt

@@ -19,10 +19,10 @@ ADD_DEPENDENCIES(check
   check_buffer_sizes
   check_long_fs)
 
-IF(NOT WIN32)
+IF(UNIX)
   ADD_CUSTOM_TARGET(bench
     COMMAND ${CMAKE_SOURCE_DIR}/tests/benc.sh
     COMMAND ${CMAKE_SOURCE_DIR}/tests/bdec.sh
     DEPENDS aec_client utime
     )
-ENDIF(NOT WIN32)
+ENDIF(UNIX)