Compilation: default to self-hosted backend when not using libllvm

When not using libllvm, it means the compiler is not capable of
producing an object file or executable, making the self-hosted backends
be a better default.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/Compilation.zig b/src/Compilation.zig
index 4e43c7fccb..b10adad01b 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -841,6 +841,12 @@ pub fn create(gpa: Allocator, options: InitOptions) !*Compilation {
             if (options.main_mod == null)
                 break :blk false;
 
+            // If we cannot use LLVM libraries, then our own backends will be a
+            // better default since the LLVM backend can only produce bitcode
+            // and not an object file or executable.
+            if (!use_lib_llvm)
+                break :blk false;
+
             // If LLVM does not support the target, then we can't use it.
             if (!target_util.hasLlvmSupport(options.target, options.target.ofmt))
                 break :blk false;