fixes to get openal working on windows.

autobuild.xml

@@ -1301,6 +1301,18 @@
             <key>name</key>
             <string>linux</string>
           </map>
+          <key>windows</key>
+          <map>
+            <key>archive</key>
+            <map>
+              <key>hash</key>
+              <string>04df406f3e5d04cf176660bdac66c3a1</string>
+              <key>url</key>
+              <string>http://automated-builds-secondlife-com.s3.amazonaws.com/hg/repo/3p-openal/rev/222391/arch/CYGWIN/installer/openal-1.12.854-1.1.0-windows-20110301.tar.bz2</string>
+            </map>
+            <key>name</key>
+            <string>windows</string>
+          </map>
         </map>
         <key>version</key>
         <string>3ad86a1c</string>

indra/cmake/OPENAL.cmake

@@ -9,6 +9,7 @@ else (LINUX)
 endif (LINUX)
 
 if (OPENAL)
+  set(OPENAL_LIB_INCLUDE_DIRS "${LIBS_PREBUILT_DIR}/include/AL")
   if (STANDALONE)
     include(FindPkgConfig)
     include(FindOpenAL)
@@ -17,10 +18,17 @@ if (OPENAL)
   else (STANDALONE)
     use_prebuilt_binary(openal_soft)
   endif (STANDALONE)
-  set(OPENAL_LIBRARIES 
-    openal
-    alut
+  if(WINDOWS)
+    set(OPENAL_LIBRARIES 
+      OpenAL32
+      alut
     )
+  else()
+    set(OPENAL_LIBRARIES 
+      openal
+      alut
+    )
+  endif()
 endif (OPENAL)
 
 if (OPENAL)

indra/llaudio/llaudioengine_openal.cpp

@@ -32,6 +32,8 @@
 #include "lllistener_openal.h"
 
 
+const float LLAudioEngine_OpenAL::WIND_BUFFER_SIZE_SEC = 0.05f;
+
 LLAudioEngine_OpenAL::LLAudioEngine_OpenAL()
 	:
 	mWindGen(NULL),

indra/llaudio/llaudioengine_openal.h

@@ -67,7 +67,7 @@ class LLAudioEngine_OpenAL : public LLAudioEngine
         int mNumEmptyWindALBuffers;
 
     	static const int MAX_NUM_WIND_BUFFERS = 80;
-    	static const float WIND_BUFFER_SIZE_SEC = 0.05f; // 1/20th sec
+    	static const float WIND_BUFFER_SIZE_SEC; // 1/20th sec
 };
 
 class LLAudioChannelOpenAL : public LLAudioChannel