Enable workaround for LLVM-15

This workaround allows bpftrace to be compiled against
LLVM-15.  This will have to be address properly before LLVM-16
More details from LLVM here: https://llvm.org/docs/OpaquePointers.html

Submitted upstream: https://github.com/iovisor/bpftrace/pull/2367

0001-Workaround-OpaquePointers-for-LLVM-15.patch

@@ -0,0 +1,29 @@
+From 07fa48a94ef6d6bb1f335de345de18fe9776ca57 Mon Sep 17 00:00:00 2001
+From: kenneth topp <toppk@bllue.org>
+Date: Mon, 26 Sep 2022 00:33:29 -0400
+Subject: [PATCH] Workaround OpaquePointers for LLVM 15
+
+This workaround allows bpftrace to be compiled against
+LLVM-15.  This will have to be address properly before LLVM-16
+More details from LLVM here: https://llvm.org/docs/OpaquePointers.html
+---
+ src/ast/irbuilderbpf.cpp | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/ast/irbuilderbpf.cpp b/src/ast/irbuilderbpf.cpp
+index d49883f7..00f0f172 100644
+--- a/src/ast/irbuilderbpf.cpp
++++ b/src/ast/irbuilderbpf.cpp
+@@ -123,6 +123,9 @@ IRBuilderBPF::IRBuilderBPF(LLVMContext &context,
+     module_(module),
+     bpftrace_(bpftrace)
+ {
++#if LLVM_VERSION_MAJOR == 15
++  context.setOpaquePointers(false);
++#endif
+   // Declare external LLVM function
+   FunctionType *pseudo_func_type = FunctionType::get(
+       getInt64Ty(),
+-- 
+2.37.3
+

bpftrace.spec

@@ -1,11 +1,12 @@
 Name:           bpftrace
 Version:        0.16.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        High-level tracing language for Linux eBPF
 License:        ASL 2.0
 
 URL:            https://github.com/iovisor/bpftrace
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
+Patch1:         0001-Workaround-OpaquePointers-for-LLVM-15.patch
 
 # Arches will be included as upstream support is added and dependencies are
 # satisfied in the respective arches
@@ -80,6 +81,9 @@ find %{buildroot}%{_datadir}/%{name}/tools -type f -exec \
 
 
 %changelog
+* Mon Sep 26 2022 Kenneth Topp <toppk@bllue.org> - 0.16.0-3
+- Enable workaround for non OpaquePointers on LLVM-15
+
 * Mon Sep 19 2022 Pete Walter <pwalter@fedoraproject.org> - 0.16.0-2
 - Rebuild for llvm 15