From 627a726934875da3cbddbeebb1ef29d2252ef6a6 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Tue, 7 Mar 2023 16:00:06 +0100
Subject: [PATCH] Fixed building with with just the sys feature (#3659)

Fixed building with 'cargo build --no-default-features --features=sys --manifest-path=lib/api/Cargo.toml'
---
 lib/api/src/sys/engine.rs | 3 ++-
 lib/api/src/sys/module.rs | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/api/src/sys/engine.rs b/lib/api/src/sys/engine.rs
index 4598bcc430a..120fde2f90e 100644
--- a/lib/api/src/sys/engine.rs
+++ b/lib/api/src/sys/engine.rs
@@ -40,7 +40,7 @@ pub(crate) fn default_engine() -> Engine {
                     }
                 }
             } else {
-                compile_error!("No default engine chosen")
+                EngineBuilder::headless().engine()
             }
         }
     }
@@ -84,6 +84,7 @@ pub trait NativeEngineExt {
 }
 
 impl NativeEngineExt for crate::engine::Engine {
+    #[cfg(feature = "compiler")]
     fn new(compiler_config: Box<dyn CompilerConfig>, target: Target, features: Features) -> Self {
         Self(Engine::new(compiler_config, target, features))
     }
diff --git a/lib/api/src/sys/module.rs b/lib/api/src/sys/module.rs
index 1eca3fa1978..289cc6b4a73 100644
--- a/lib/api/src/sys/module.rs
+++ b/lib/api/src/sys/module.rs
@@ -62,7 +62,7 @@ impl Module {
     #[cfg(not(feature = "compiler"))]
     fn compile(engine: &impl AsEngineRef, binary: &[u8]) -> Result<Self, CompileError> {
         Err(CompileError::UnsupportedTarget(
-            "The compiler feature is not enabled, but is required to compile a Module",
+            "The compiler feature is not enabled, but is required to compile a Module".to_string(),
         ))
     }