branches/innodb+: Add check for libaio on Linux.

CMakeLists.txt

@@ -22,7 +22,13 @@ INCLUDE(CheckCSourceRuns)
 # OS tests
 IF(UNIX)
   IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    CHECK_INCLUDE_FILES (libaio.h HAVE_LIBAIO_H)
+    CHECK_LIBRARY_EXISTS(aio io_queue_init "" HAVE_LIBAIO)
     ADD_DEFINITIONS("-DUNIV_LINUX -D_GNU_SOURCE=1")
+    IF(HAVE_LIBAIO_H AND HAVE_LIBAIO)
+      ADD_DEFINITIONS(-DLINUX_NATIVE_AIO=1)
+      LINK_LIBRARIES(aio)
+    ENDIF()
   ELSEIF(CMAKE_SYSTEM_NAME MATCHES "HP*")
     ADD_DEFINITIONS("-DUNIV_HPUX -DUNIV_MUST_NOT_INLINE")
   ELSEIF(CMAKE_SYSTEM_NAME STREQUAL "AIX")