few llvm 20 changes

src/build_settings.cpp

@@ -109,6 +109,12 @@ gb_global String target_arch_names[TargetArch_COUNT] = {
 	str_lit("riscv64"),
 };
 
+#if defined(GB_SYSTEM_WINDOWS)
+	#include <llvm-c/Config/llvm-config.h>
+#else
+	#include <llvm/Config/llvm-config.h>
+#endif
+
 #include "build_settings_microarch.cpp"
 
 gb_global String target_endian_names[TargetEndian_COUNT] = {
@@ -544,12 +550,6 @@ gb_internal isize MAX_ERROR_COLLECTOR_COUNT(void) {
 	return build_context.max_error_count;
 }
 
-#if defined(GB_SYSTEM_WINDOWS)
-	#include <llvm-c/Config/llvm-config.h>
-#else
-	#include <llvm/Config/llvm-config.h>
-#endif
-
 // NOTE: AMD64 targets had their alignment on 128 bit ints bumped from 8 to 16 (undocumented of course).
 #if LLVM_VERSION_MAJOR >= 18
 	#define AMD64_MAX_ALIGNMENT 16

src/llvm_backend.cpp

@@ -2176,6 +2176,14 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
 		LLVMInitializeRISCVAsmParser();
 		LLVMInitializeRISCVDisassembler();
 		break;
+	case TargetArch_arm32:
+		LLVMInitializeARMTargetInfo();
+		LLVMInitializeARMTarget();
+		LLVMInitializeARMTargetMC();
+		LLVMInitializeARMAsmPrinter();
+		LLVMInitializeARMAsmParser();
+		LLVMInitializeARMDisassembler();
+		break;
 	default:
 		GB_PANIC("Unimplemented LLVM target initialization");
 		break;

src/main.cpp

@@ -87,13 +87,6 @@ gb_global Timings global_timings = {0};
 
 #include "llvm_backend.cpp"
 
-#if defined(GB_SYSTEM_OSX)
-	#include <llvm/Config/llvm-config.h>
-	#if LLVM_VERSION_MAJOR < 11 || (LLVM_VERSION_MAJOR > 14 && LLVM_VERSION_MAJOR < 17) || LLVM_VERSION_MAJOR > 19
-	#error LLVM Version 11..=14 or 17..=19 is required => "brew install llvm@14"
-	#endif
-#endif
-
 #include "bug_report.cpp"
 
 // NOTE(bill): 'name' is used in debugging and profiling modes