From f3d5e3d4c2e06760232bd2f31c17ee8a2c2da839 Mon Sep 17 00:00:00 2001
From: Christoffer Lerno <christoffer@aegik.com>
Date: Sat, 29 Jun 2024 20:30:37 +0200
Subject: [PATCH] Set minimum LLVM version for compilation.

---
 CMakeLists.txt            | 4 ++++
 src/build/build_options.c | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87921fd6e..8d1f1b280 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -130,6 +130,10 @@ message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
 message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
 message(STATUS "Libraries located in: ${LLVM_LIBRARY_DIRS}")
 
+if (NOT LLVM_PACKAGE_VERSION VERSION_GREATER_EQUAL 15.0)
+    message(FATAL_ERROR "LLVM version 15.0 or later is required.")
+endif()
+
 if(LLVM_ENABLE_RTTI)
     message(STATUS "LLVM was built with RTTI")
 else()
diff --git a/src/build/build_options.c b/src/build/build_options.c
index d5fd58b32..f27e63241 100644
--- a/src/build/build_options.c
+++ b/src/build/build_options.c
@@ -47,7 +47,7 @@ const char *trust_level[3] = {
 	[TRUST_FULL] = "full",
 };
 
-#define EOUTPUT(string, ...) fprintf(stderr, string "\n", ##__VA_ARGS__)
+#define EOUTPUT(string, ...) fprintf(stderr, string "\n", ##__VA_ARGS__) // NOLINT
 #define PRINTF(string, ...) fprintf(stdout, string "\n", ##__VA_ARGS__) // NOLINT
 #define FAIL_WITH_ERR(string, ...) do { fprintf(stderr, "Error: " string "\n\n", ##__VA_ARGS__); usage(); exit_compiler(EXIT_FAILURE); } while (0) /* NOLINT */
 
@@ -237,7 +237,7 @@ void append_file(BuildOptions *build_options)
 {
 	if (vec_size(build_options->files) == MAX_FILES)
 	{
-		fprintf(stderr, "Max %d files may be specified\n", MAX_FILES);
+		EOUTPUT("Max %d files may be specified.", MAX_FILES);
 		exit_compiler(EXIT_FAILURE);
 	}
 	vec_add(build_options->files, current_arg);