gallivm: Move LLVMStartMultithreaded() static initializer into gallivm

This does not solve all of the problems with using LLVM in a
multithreaded enivronment, but it should help in some cases.

Reviewed-by: [email protected]

1 files changed, 15 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
index a531d98e881..897f7ffb276 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
+++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
@@ -79,6 +79,21 @@
 
 #include "lp_bld_misc.h"
 
+namespace {
+
+class LLVMEnsureMultithreaded {
+public:
+   LLVMEnsureMultithreaded()
+   {
+      if (!LLVMIsMultithreaded()) {
+         LLVMStartMultithreaded();
+      }
+   }
+};
+
+static LLVMEnsureMultithreaded lLVMEnsureMultithreaded;
+
+}
 
 extern "C" void
 lp_set_target_options(void)