Merge pull request #380 from myd7349/cmake

improve CMakeLists.txt

CMakeLists.txt

@@ -1,21 +1,49 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12)
 
 project(kcp LANGUAGES C)
 
 include(CTest)
 include(GNUInstallDirs)
 
-add_library(kcp STATIC ikcp.c)
+cmake_policy(SET CMP0054 NEW)
-add_library(kcp_shared SHARED ikcp.c)
 
-set_property(TARGET kcp_shared PROPERTY LIBRARY_OUTPUT_NAME kcp)
+if(BUILD_SHARED_LIBS AND WIN32)
+    set(exports_def_file "${CMAKE_CURRENT_BINARY_DIR}/exports.def")
+    set(exports_def_contents
+"EXPORTS 
+    ikcp_create
+    ikcp_release
+    ikcp_setoutput
+    ikcp_recv
+    ikcp_send
+    ikcp_update
+    ikcp_check
+    ikcp_input
+    ikcp_flush
+    ikcp_peeksize
+    ikcp_setmtu
+    ikcp_wndsize
+    ikcp_waitsnd
+    ikcp_nodelay
+    ikcp_log
+    ikcp_allocator
+    ikcp_getconv
+")
 
-install(FILES ikcp.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+    file(WRITE "${exports_def_file}" "${exports_def_contents}")
+    add_library(kcp ikcp.c "${exports_def_file}")
+else()
+    add_library(kcp ikcp.c)
+endif()
 
-install(TARGETS kcp_shared
+install(FILES ikcp.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+
+install(TARGETS kcp
     EXPORT kcp-targets
-    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+    LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
 )
 
 install(EXPORT kcp-targets
@@ -24,11 +52,11 @@ install(EXPORT kcp-targets
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/kcp
 )
 
-if (BUILD_TESTING)
+if(BUILD_TESTING)
     enable_language(CXX)
 
     add_executable(kcp_test test.cpp)
     if(MSVC AND NOT (MSVC_VERSION LESS 1900))
         target_compile_options(kcp_test PRIVATE /utf-8)
     endif()
-endif ()
+endif()