0001-Fix-build-with-LLVM-15-or-above.patch

From bd2f6d2ec5369b5e33c6bf41560cdae3f8088f07 Mon Sep 17 00:00:00 2001
From: Po-Chuan Hsieh <sunpoet@sunpoet.net>
Date: Sat, 1 Oct 2022 22:23:41 +0800
Subject: [PATCH] Fix build with LLVM 15 or above

- Upstream has fixed the struct name prefix from LLVMJIT to LLVMOrc [1].
- Upstream has changed the API of LLVMOrcCreateCustomCAPIDefinitionGenerator [2].

Reference:	https://github.com/llvm/llvm-project/commit/b425f556935c1105dea59871a46caa7af2d378ad [1]
		https://github.com/llvm/llvm-project/commit/14b7c108a2bf46541efc3a5c9cbd589b3afc18e6 [2]
---
 src/backend/jit/llvm/llvmjit.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/backend/jit/llvm/llvmjit.c b/src/backend/jit/llvm/llvmjit.c
index fd3eecf27d..731b28a4c9 100644
--- a/src/backend/jit/llvm/llvmjit.c
+++ b/src/backend/jit/llvm/llvmjit.c
@@ -1112,7 +1112,11 @@ llvm_resolve_symbols(LLVMOrcDefinitionGeneratorRef GeneratorObj, void *Ctx,
 					 LLVMOrcJITDylibRef JD, LLVMOrcJITDylibLookupFlags JDLookupFlags,
 					 LLVMOrcCLookupSet LookupSet, size_t LookupSetSize)
 {
+#if LLVM_VERSION_MAJOR >= 15
+	LLVMOrcCSymbolMapPairs symbols = palloc0(sizeof(LLVMOrcCSymbolMapPair) * LookupSetSize);
+#else
 	LLVMOrcCSymbolMapPairs symbols = palloc0(sizeof(LLVMJITCSymbolMapPair) * LookupSetSize);
+#endif
 	LLVMErrorRef error;
 	LLVMOrcMaterializationUnitRef mu;
 
@@ -1230,7 +1234,11 @@ llvm_create_jit_instance(LLVMTargetMachineRef tm)
 	 * Symbol resolution support for "special" functions, e.g. a call into an
 	 * SQL callable function.
 	 */
+#if LLVM_VERSION_MAJOR >= 15
+	ref_gen = LLVMOrcCreateCustomCAPIDefinitionGenerator(llvm_resolve_symbols, NULL, NULL);
+#else
 	ref_gen = LLVMOrcCreateCustomCAPIDefinitionGenerator(llvm_resolve_symbols, NULL);
+#endif
 	LLVMOrcJITDylibAddGenerator(LLVMOrcLLJITGetMainJITDylib(lljit), ref_gen);
 
 	return lljit;
-- 
2.35.2