3 // Set the stack size at link time on Windows. See rustc_driver::in_rustc_thread
5 #[allow(unused_attributes)]
6 #[cfg_attr(all(windows, target_env = "msvc"), link_args = "/STACK:16777216")]
7 // We only build for msvc and gnu now, but we use a exhaustive condition here
8 // so we can expect either the stack size to be set or the build fails.
9 #[cfg_attr(all(windows, not(target_env = "msvc")), link_args = "-Wl,--stack,16777216")]
10 // Also, don't forget to set this for rustdoc.
14 // Pull in jemalloc when enabled.
16 // Note that we're pulling in a static copy of jemalloc which means that to
17 // pull it in we need to actually reference its symbols for it to get
18 // linked. The two crates we link to here, std and rustc_driver, are both
19 // dynamic libraries. That means to pull in jemalloc we need to actually
20 // reference allocation symbols one way or another (as this file is the only
21 // object code in the rustc executable).
22 #[cfg(feature = "jemalloc-sys")]
24 use std::os::raw::{c_void, c_int};
27 static _F1: unsafe extern fn(usize, usize) -> *mut c_void =
30 static _F2: unsafe extern fn(*mut *mut c_void, usize, usize) -> c_int =
31 jemalloc_sys::posix_memalign;
33 static _F3: unsafe extern fn(usize, usize) -> *mut c_void =
34 jemalloc_sys::aligned_alloc;
36 static _F4: unsafe extern fn(usize) -> *mut c_void =
39 static _F5: unsafe extern fn(*mut c_void, usize) -> *mut c_void =
40 jemalloc_sys::realloc;
42 static _F6: unsafe extern fn(*mut c_void) =
46 rustc_driver::set_sigpipe_handler();