mbutrovich commented on code in PR #1679:
URL: https://github.com/apache/datafusion-comet/pull/1679#discussion_r2058901724
##########
native/core/src/lib.rs:
##########
@@ -50,6 +54,10 @@ pub mod execution;
mod jvm_bridge;
pub mod parquet;
+#[cfg(all(not(target_env = "msvc"), feature = "jemalloc"))]
Review Comment:
```
cd native && RUSTFLAGS=" -Ctarget-cpu=native" cargo build --release
--features=jemalloc,mimalloc
Compiling libmimalloc-sys v0.1.42
Compiling mimalloc v0.1.46
Compiling datafusion-comet v0.8.0
(/Users/matt/git/datafusion-comet/native/core)
error[E0428]: the name `GLOBAL` is defined multiple times
--> core/src/lib.rs:63:1
|
59 | static GLOBAL: Jemalloc = Jemalloc;
| ----------------------------------- previous definition of the value
`GLOBAL` here
...
63 | static GLOBAL: MiMalloc = MiMalloc;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `GLOBAL` redefined here
|
= note: `GLOBAL` must be defined only once in the value namespace of this
module
error: cannot define multiple global allocators
--> core/src/lib.rs:63:1
|
59 | static GLOBAL: Jemalloc = Jemalloc;
| ----------------------------------- previous global allocator defined
here
...
62 | #[global_allocator]
| ------------------- in this procedural macro expansion
63 | static GLOBAL: MiMalloc = MiMalloc;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot define a new global allocator
|
= note: this error originates in the attribute macro `global_allocator`
(in Nightly builds, run with -Z macro-backtrace for more info)
```
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