STORM-104 : make kdu statically linked, suppress the need for llkdu

4 files changed, 7 insertions, 160 deletions

diff --git a/indra/llimage/CMakeLists.txt b/indra/llimage/CMakeLists.txt
index a69621a57b..6834267d4b 100644
--- a/indra/llimage/CMakeLists.txt
+++ b/indra/llimage/CMakeLists.txt
@@ -57,7 +57,6 @@ add_library (llimage ${llimage_SOURCE_FILES})
 # Sort by high-level to low-level
 target_link_libraries(llimage
     llcommon
-    llimagej2coj        # *HACK: In theory a noop for KDU builds?
     ${JPEG_LIBRARIES}
     ${PNG_LIBRARIES}
     ${ZLIB_LIBRARIES}
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 5c33b675ca..b46a99e030 100644
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -52,13 +52,11 @@ LLMutex* LLImage::sMutex = NULL;
 void LLImage::initClass()
 {
 	sMutex = new LLMutex(NULL);
-	LLImageJ2C::openDSO();
 }
 
 //static
 void LLImage::cleanupClass()
 {
-	LLImageJ2C::closeDSO();
 	delete sMutex;
 	sMutex = NULL;
 }
diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp
index 207728d4d9..840813fa75 100644
--- a/indra/llimage/llimagej2c.cpp
+++ b/indra/llimage/llimagej2c.cpp
@@ -24,9 +24,6 @@
  */
 #include "linden_common.h"
 
-#include "apr_pools.h"
-#include "apr_dso.h"
-
 #include "lldir.h"
 #include "llimagej2c.h"
 #include "llmemtype.h"
@@ -36,18 +33,10 @@ typedef LLImageJ2CImpl* (*CreateLLImageJ2CFunction)();
 typedef void (*DestroyLLImageJ2CFunction)(LLImageJ2CImpl*);
 typedef const char* (*EngineInfoLLImageJ2CFunction)();
 
-//some "private static" variables so we only attempt to load
-//dynamic libaries once
-CreateLLImageJ2CFunction j2cimpl_create_func;
-DestroyLLImageJ2CFunction j2cimpl_destroy_func;
-EngineInfoLLImageJ2CFunction j2cimpl_engineinfo_func;
-apr_pool_t *j2cimpl_dso_memory_pool;
-apr_dso_handle_t *j2cimpl_dso_handle;
-
-//Declare the prototype for theses functions here, their functionality
-//will be implemented in other files which define a derived LLImageJ2CImpl
-//but only ONE static library which has the implementation for this
-//function should ever be included
+// Declare the prototype for theses functions here. Their functionality
+// will be implemented in other files which define a derived LLImageJ2CImpl
+// but only ONE static library which has the implementation for these
+// functions should ever be included.
 LLImageJ2CImpl* fallbackCreateLLImageJ2CImpl();
 void fallbackDestroyLLImageJ2CImpl(LLImageJ2CImpl* impl);
 const char* fallbackEngineInfoLLImageJ2CImpl();
@@ -56,120 +45,9 @@ const char* fallbackEngineInfoLLImageJ2CImpl();
 LLImageCompressionTester* LLImageJ2C::sTesterp = NULL ;
 
 //static
-//Loads the required "create", "destroy" and "engineinfo" functions needed
-void LLImageJ2C::openDSO()
-{
-	//attempt to load a DSO and get some functions from it
-	std::string dso_name;
-	std::string dso_path;
-
-	bool all_functions_loaded = false;
-	apr_status_t rv;
-
-#if LL_WINDOWS
-	dso_name = "llkdu.dll";
-#elif LL_DARWIN
-	dso_name = "libllkdu.dylib";
-#else
-	dso_name = "libllkdu.so";
-#endif
-
-	dso_path = gDirUtilp->findFile(dso_name,
-				       gDirUtilp->getAppRODataDir(),
-				       gDirUtilp->getExecutableDir());
-
-	j2cimpl_dso_handle      = NULL;
-	j2cimpl_dso_memory_pool = NULL;
-
-	//attempt to load the shared library
-	apr_pool_create(&j2cimpl_dso_memory_pool, NULL);
-	rv = apr_dso_load(&j2cimpl_dso_handle,
-					  dso_path.c_str(),
-					  j2cimpl_dso_memory_pool);
-
-	//now, check for success
-	if ( rv == APR_SUCCESS )
-	{
-		//found the dynamic library
-		//now we want to load the functions we're interested in
-		CreateLLImageJ2CFunction  create_func = NULL;
-		DestroyLLImageJ2CFunction dest_func = NULL;
-		EngineInfoLLImageJ2CFunction engineinfo_func = NULL;
-
-		rv = apr_dso_sym((apr_dso_handle_sym_t*)&create_func,
-						 j2cimpl_dso_handle,
-						 "createLLImageJ2CKDU");
-		if ( rv == APR_SUCCESS )
-		{
-			//we've loaded the create function ok
-			//we need to delete via the DSO too
-			//so lets check for a destruction function
-			rv = apr_dso_sym((apr_dso_handle_sym_t*)&dest_func,
-							 j2cimpl_dso_handle,
-						       "destroyLLImageJ2CKDU");
-			if ( rv == APR_SUCCESS )
-			{
-				//we've loaded the destroy function ok
-				rv = apr_dso_sym((apr_dso_handle_sym_t*)&engineinfo_func,
-						 j2cimpl_dso_handle,
-						 "engineInfoLLImageJ2CKDU");
-				if ( rv == APR_SUCCESS )
-				{
-					//ok, everything is loaded alright
-					j2cimpl_create_func  = create_func;
-					j2cimpl_destroy_func = dest_func;
-					j2cimpl_engineinfo_func = engineinfo_func;
-					all_functions_loaded = true;
-				}
-			}
-		}
-	}
-
-	if ( !all_functions_loaded )
-	{
-		//something went wrong with the DSO or function loading..
-		//fall back onto our satefy impl creation function
-
-#if 0
-		// precious verbose debugging, sadly we can't use our
-		// 'llinfos' stream etc. this early in the initialisation seq.
-		char errbuf[256];
-		fprintf(stderr, "failed to load syms from DSO %s (%s)\n",
-			dso_name.c_str(), dso_path.c_str());
-		apr_strerror(rv, errbuf, sizeof(errbuf));
-		fprintf(stderr, "error: %d, %s\n", rv, errbuf);
-		apr_dso_error(j2cimpl_dso_handle, errbuf, sizeof(errbuf));
-		fprintf(stderr, "dso-error: %d, %s\n", rv, errbuf);
-#endif
-
-		if ( j2cimpl_dso_handle )
-		{
-			apr_dso_unload(j2cimpl_dso_handle);
-			j2cimpl_dso_handle = NULL;
-		}
-
-		if ( j2cimpl_dso_memory_pool )
-		{
-			apr_pool_destroy(j2cimpl_dso_memory_pool);
-			j2cimpl_dso_memory_pool = NULL;
-		}
-	}
-}
-
-//static
-void LLImageJ2C::closeDSO()
-{
-	if ( j2cimpl_dso_handle ) apr_dso_unload(j2cimpl_dso_handle);
-	if (j2cimpl_dso_memory_pool) apr_pool_destroy(j2cimpl_dso_memory_pool);
-}
-
-//static
 std::string LLImageJ2C::getEngineInfo()
 {
-	if (!j2cimpl_engineinfo_func)
-		j2cimpl_engineinfo_func = fallbackEngineInfoLLImageJ2CImpl;
-
-	return j2cimpl_engineinfo_func();
+    return fallbackEngineInfoLLImageJ2CImpl();
 }
 
 LLImageJ2C::LLImageJ2C() : 	LLImageFormatted(IMG_CODEC_J2C),
@@ -179,20 +57,7 @@ LLImageJ2C::LLImageJ2C() : 	LLImageFormatted(IMG_CODEC_J2C),
 							mReversible(FALSE),
 							mAreaUsedForDataSizeCalcs(0)
 {
-	//We assume here that if we wanted to create via
-	//a dynamic library that the approriate open calls were made
-	//before any calls to this constructor.
-
-	//Therefore, a NULL creation function pointer here means
-	//we either did not want to create using functions from the dynamic
-	//library or there were issues loading it, either way
-	//use our fall back
-	if ( !j2cimpl_create_func )
-	{
-		j2cimpl_create_func = fallbackCreateLLImageJ2CImpl;
-	}
-
-	mImpl = j2cimpl_create_func();
+	mImpl = fallbackCreateLLImageJ2CImpl();
 
 	// Clear data size table
 	for( S32 i = 0; i <= MAX_DISCARD_LEVEL; i++)
@@ -214,22 +79,9 @@ LLImageJ2C::LLImageJ2C() : 	LLImageFormatted(IMG_CODEC_J2C),
 // virtual
 LLImageJ2C::~LLImageJ2C()
 {
-	//We assume here that if we wanted to destroy via
-	//a dynamic library that the approriate open calls were made
-	//before any calls to this destructor.
-
-	//Therefore, a NULL creation function pointer here means
-	//we either did not want to destroy using functions from the dynamic
-	//library or there were issues loading it, either way
-	//use our fall back
-	if ( !j2cimpl_destroy_func )
-	{
-		j2cimpl_destroy_func = fallbackDestroyLLImageJ2CImpl;
-	}
-
 	if ( mImpl )
 	{
-		j2cimpl_destroy_func(mImpl);
+        fallbackDestroyLLImageJ2CImpl(mImpl);
 	}
 }
 
diff --git a/indra/llimage/llimagej2c.h b/indra/llimage/llimagej2c.h
index adbfb9cdb3..9191d7886a 100644
--- a/indra/llimage/llimagej2c.h
+++ b/indra/llimage/llimagej2c.h
@@ -72,8 +72,6 @@ public:
 	static S32 calcHeaderSizeJ2C();
 	static S32 calcDataSizeJ2C(S32 w, S32 h, S32 comp, S32 discard_level, F32 rate = 0.f);
 
-	static void openDSO();
-	static void closeDSO();
 	static std::string getEngineInfo();
 
     // Image compression/decompression tester