libGL: rebuild for llvm-3.8.0.

srcpkgs/libGL/patches/llvm3.8.patch

@@ -0,0 +1,16 @@
+https://build.opensuse.org/package/show?project=X11%3AXOrg&package=Mesa
+
+--- src/gallium/state_trackers/clover/llvm/invocation.cpp
++++ src/gallium/state_trackers/clover/llvm/invocation.cpp
+@@ -661,7 +661,11 @@ namespace {
+ 
+       if (dump_asm) {
+          LLVMSetTargetMachineAsmVerbosity(tm, true);
++#if HAVE_LLVM >= 0x0308
++         LLVMModuleRef debug_mod = wrap(llvm::CloneModule(mod).release());
++#else
+          LLVMModuleRef debug_mod = wrap(llvm::CloneModule(mod));
++#endif
+          emit_code(tm, debug_mod, LLVMAssemblyFile, &out_buffer, r_log);
+          buffer_size = LLVMGetBufferSize(out_buffer);
+          buffer_data = LLVMGetBufferStart(out_buffer);

srcpkgs/libGL/template

@@ -1,7 +1,7 @@
 # Template build file for 'libGL'.
 pkgname=libGL
 version=11.1.2
-revision=1
+revision=2
 wrksrc="mesa-${version}"
 build_style=gnu-configure
 configure_args="--enable-shared-glapi --enable-gbm