llvmpipe: Allow building with LLVM 2.6 too.

src/gallium/drivers/llvmpipe/lp_jit.c

@@ -147,6 +147,11 @@ lp_jit_screen_init(struct llvmpipe_screen *screen)
 {
    char *error = NULL;
 
+#ifdef LLVM_NATIVE_ARCH
+   LLVMLinkInJIT();
+   LLVMInitializeNativeTarget();
+#endif
+
    screen->module = LLVMModuleCreateWithName("llvmpipe");
 
    screen->provider = LLVMCreateModuleProviderForExistingModule(screen->module);

src/gallium/drivers/llvmpipe/lp_test_format.c

@@ -264,6 +264,11 @@ int main(int argc, char **argv)
    unsigned i;
    int ret;
 
+#ifdef LLVM_NATIVE_ARCH
+   LLVMLinkInJIT();
+   LLVMInitializeNativeTarget();
+#endif
+
    for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i)
       if(!test_format(&test_cases[i]))
         ret = 1;

src/gallium/drivers/llvmpipe/lp_test_main.c

@@ -365,6 +365,11 @@ int main(int argc, char **argv)
          n = atoi(argv[i]);
    }
 
+#ifdef LLVM_NATIVE_ARCH
+   LLVMLinkInJIT();
+   LLVMInitializeNativeTarget();
+#endif
+
    if(fp) {
       /* Warm up the caches */
       test_some(0, NULL, 100);