WASM build fails with "lazy" "streaming" features #18589
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Description
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- I have checked that this issue has not already been reported.
- I have confirmed this bug exists on the latest version of Polars.
Reproducible example
Cargo.toml
[package]
name = "rust-polars-wasm"
version = "0.1.0"
authors = [""]
edition = "2018"
[lib]
crate-type = ["cdylib", "rlib"]
[dependencies]
wasm-bindgen = "0.2.84"
[dependencies.polars]
version = "*"
default-features = false
features = [
"lazy",
"streaming",
"csv",
]
[profile.release]
opt-level = "s"
src/lib.rs
use polars::prelude::*;
use wasm_bindgen::prelude::*;
#[wasm_bindgen(start)]
fn main() -> Result<(), JsValue> {
Ok(())
}
Log output
warning: lz4-sys@1.10.0: liblz4/lib/lz4.c:222:11: fatal error: 'stdlib.h' file not found
warning: lz4-sys@1.10.0: 222 | # include <stdlib.h> /* malloc, calloc, free */
liblz4/lib/lz4frame.c:88:10: fatal error: 'string.h' file not found
cargo:warning= 88 | #include <string.h> /* memset, memcpy, memmove */
In file included from liblz4/lib/lz4hc.c:66:
cargo:warning=liblz4/lib/lz4.c:222:11: fatal error: 'stdlib.h' file not found
cargo:warning= 222 | # include <stdlib.h> /* malloc, calloc, free */
liblz4/lib/xxhash.c:107:10: fatal error: 'stdlib.h' file not found
cargo:warning= 107 | #include <stdlib.h>Issue description
When adding "lazy" and "streaming" features and building with wasm-pack build --target web the build fails.
If these two features are not both added, but use one or the other, the build is successful.