dyld: Library not loaded: @rpath/libui.A.dylib error on macOS

[hanckmann]

Building on macOS failes.

Details on maxOS:
ProductName: Mac OS X
ProductVersion: 10.15.5
BuildVersion: 19F101

Details on rust:
Default host: x86_64-apple-darwin
stable-x86_64-apple-darwin (default)

Cmake installation:
cmake version 3.17.2
(installed via nix package manager)

I performed a clean checkout from githubs master branch:

λ ~/Projects/ rm -rf libui-rs
λ ~/Projects/ git clone https://github.com/rust-native-ui/libui-rs.git
Cloning into 'libui-rs'...
remote: Enumerating objects: 29, done.
remote: Counting objects: 100% (29/29), done.
remote: Compressing objects: 100% (25/25), done.
remote: Total 13463 (delta 11), reused 16 (delta 4), pack-reused 13434
Receiving objects: 100% (13463/13463), 6.84 MiB | 7.57 MiB/s, done.
Resolving deltas: 100% (8608/8608), done.

This is the output of cargo build --examples:

λ ~/Projects/libui-rs/ master cargo build --examples
    Updating crates.io index
   Compiling libc v0.2.71
   Compiling memchr v2.3.3
   Compiling cfg-if v0.1.10
   Compiling lazy_static v1.4.0
   Compiling log v0.4.8
   Compiling glob v0.2.11
   Compiling bitflags v1.2.1
   Compiling regex v0.2.11
   Compiling ucd-util v0.1.8
   Compiling proc-macro2 v1.0.18
   Compiling libloading v0.4.3
   Compiling unicode-xid v0.2.0
   Compiling unicode-width v0.1.7
   Compiling utf8-ranges v1.0.4
   Compiling ansi_term v0.11.0
   Compiling vec_map v0.8.2
   Compiling bindgen v0.31.3
   Compiling syn v1.0.33
   Compiling strsim v0.8.0
   Compiling quote v0.3.15
   Compiling peeking_take_while v0.1.2
   Compiling cc v1.0.54
   Compiling lazy_static v0.2.11
   Compiling failure_derive v0.1.8
   Compiling adler32 v1.1.0
   Compiling gimli v0.21.0
   Compiling rustc-demangle v0.1.16
   Compiling object v0.20.0
   Compiling thread_local v0.3.6
   Compiling regex-syntax v0.5.6
   Compiling textwrap v0.11.0
   Compiling clang-sys v0.21.2
   Compiling miniz_oxide v0.3.7
   Compiling cmake v0.1.44
   Compiling addr2line v0.12.2
   Compiling log v0.3.9
   Compiling aho-corasick v0.6.10
   Compiling memchr v1.0.2
   Compiling atty v0.2.14
   Compiling which v1.0.5
   Compiling backtrace v0.3.49
   Compiling quote v1.0.7
   Compiling nom v3.2.1
   Compiling clap v2.33.1
   Compiling cexpr v0.2.3
   Compiling env_logger v0.4.3
   Compiling synstructure v0.12.4
   Compiling failure v0.1.8
   Compiling ui-sys v0.2.1 (/Users/patrick/Projects/libui-rs/ui-sys)
   Compiling iui v0.3.0 (/Users/patrick/Projects/libui-rs/iui)
warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/basic.rs:54:35
   |
54 |             let mut data: Box<Box<FnMut(&mut Button)>> = Box::new(Box::new(callback));
   |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Button)`
   |
   = note: `#[warn(bare_trait_objects)]` on by default

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/basic.rs:58:40
   |
58 |                 &mut *data as *mut Box<FnMut(&mut Button)> as *mut c_void,
   |                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Button)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/basic.rs:66:56
   |
66 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(&mut Button)>>(data)(&mut button)
   |                                                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Button)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/window.rs:92:35
   |
92 |             let mut data: Box<Box<FnMut(&mut Window) -> bool>> = Box::new(Box::new(|window| {
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Window) -> bool`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/window.rs:99:40
   |
99 |                 &mut *data as *mut Box<FnMut(&mut Window) -> bool> as *mut c_void,
   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Window) -> bool`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/window.rs:107:55
    |
107 |                 mem::transmute::<*mut c_void, Box<Box<FnMut(&mut Window) -> bool>>>(data)(
    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Window) -> bool`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/entry.rs:68:35
   |
68 |             let mut data: Box<Box<FnMut(i32)>> = Box::new(Box::new(callback));
   |                                   ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/entry.rs:72:40
   |
72 |                 &mut *data as *mut Box<FnMut(i32)> as *mut c_void,
   |                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/entry.rs:80:56
   |
80 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(i32)>>(data)(val);
   |                                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/entry.rs:97:35
   |
97 |             let mut data: Box<Box<FnMut(i32)>> = Box::new(Box::new(callback));
   |                                   ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:101:40
    |
101 |                 &mut *data as *mut Box<FnMut(i32)> as *mut c_void,
    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:109:56
    |
109 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(i32)>>(data)(val);
    |                                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:166:35
    |
166 |             let mut data: Box<Box<FnMut(String)>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:170:40
    |
170 |                 &mut *data as *mut Box<FnMut(String)> as *mut c_void,
    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:180:56
    |
180 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(String)>>(data)(string);
    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:202:35
    |
202 |             let mut data: Box<Box<FnMut(String)>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:206:40
    |
206 |                 &mut *data as *mut Box<FnMut(String)> as *mut c_void,
    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:216:56
    |
216 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(String)>>(data)(string);
    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:238:35
    |
238 |             let mut data: Box<Box<FnMut(String)>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:242:40
    |
242 |                 &mut *data as *mut Box<FnMut(String)> as *mut c_void,
    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:252:56
    |
252 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(String)>>(data)(string);
    |                                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:290:35
    |
290 |             let mut data: Box<Box<FnMut(i32)>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:294:40
    |
294 |                 &mut *data as *mut Box<FnMut(i32)> as *mut c_void,
    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:302:56
    |
302 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(i32)>>(data)(val);
    |                                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:331:35
    |
331 |             let mut data: Box<Box<FnMut(bool)>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(bool)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:335:40
    |
335 |                 &mut *data as *mut Box<FnMut(bool)> as *mut c_void,
    |                                        ^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(bool)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:343:56
    |
343 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(bool)>>(data)(val);
    |                                                        ^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(bool)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:375:35
    |
375 |             let mut data: Box<Box<FnMut(i32)>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:379:40
    |
379 |                 &mut *data as *mut Box<FnMut(i32)> as *mut c_void,
    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/entry.rs:387:56
    |
387 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(i32)>>(data)(val);
    |                                                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/area.rs:26:23
   |
26 |     trait_object: Box<AreaHandler>,
   |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AreaHandler`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/controls/area.rs:30:41
   |
30 |     fn new(_ctx: &UI, trait_object: Box<AreaHandler>) -> Box<RustAreaHandler> {
   |                                         ^^^^^^^^^^^ help: use `dyn`: `dyn AreaHandler`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/area.rs:151:44
    |
151 |     pub fn new(ctx: &UI, area_handler: Box<AreaHandler>) -> Area {
    |                                            ^^^^^^^^^^^ help: use `dyn`: `dyn AreaHandler`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/controls/area.rs:165:27
    |
165 |         area_handler: Box<AreaHandler>,
    |                           ^^^^^^^^^^^ help: use `dyn`: `dyn AreaHandler`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/menus.rs:51:35
   |
51 |             let mut data: Box<Box<FnMut(&MenuItem, &Window)>> = Box::new(Box::new(callback));
   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&MenuItem, &Window)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/menus.rs:55:40
   |
55 |                 &mut *data as *mut Box<FnMut(&MenuItem, &Window)> as *mut c_void,
   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&MenuItem, &Window)`

warning: trait objects without an explicit `dyn` are deprecated
  --> iui/src/menus.rs:70:56
   |
70 |                 mem::transmute::<*mut c_void, &mut Box<FnMut(&MenuItem, &Window)>>(data)(
   |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&MenuItem, &Window)`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/ui.rs:138:35
    |
138 |             let mut data: Box<Box<FnMut()>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/ui.rs:141:40
    |
141 |                 &mut *data as *mut Box<FnMut()> as *mut c_void,
    |                                        ^^^^^^^ help: use `dyn`: `dyn FnMut()`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/ui.rs:150:35
    |
150 |             let mut data: Box<Box<FnMut()>> = Box::new(Box::new(callback));
    |                                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/ui.rs:153:40
    |
153 |                 &mut *data as *mut Box<FnMut()> as *mut c_void,
    |                                        ^^^^^^^ help: use `dyn`: `dyn FnMut()`

warning: trait objects without an explicit `dyn` are deprecated
   --> iui/src/ui.rs:170:26
    |
170 |     callback: Option<Box<FnMut() + 's>>,
    |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + 's`

warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
  --> iui/src/draw/transform.rs:22:30
   |
22 |             let mut matrix = mem::uninitialized();
   |                              ^^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default

warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
 --> iui/src/ffi_tools.rs:2:47
  |
2 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
  |                                               ^^^^^^^^^^^^^^^^

warning: use of deprecated item 'std::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
 --> iui/src/ffi_tools.rs:4:34
  |
4 | static INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT;
  |                                  ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicBool::new(false)`

warning: 45 warnings emitted

warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
  --> iui/examples/files.rs:35:129
   |
35 |                     Err(why) => { window.modal_err(&ui, "I/O Error", &format!("Could not open file {}: {}", path.display(), why.description())); return; }
   |                                                                                                                                 ^^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default

warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
  --> iui/examples/files.rs:39:133
   |
39 |                     Err(why) => { window.modal_err(&ui, "I/O Error", &format!("Could not write to file {}: {}", path.display(), why.description())); return; }
   |                                                                                                                                     ^^^^^^^^^^^

warning: 2 warnings emitted

    Finished dev [unoptimized + debuginfo] target(s) in 1m 49s

This is the output of running the basic example:

λ ~/Projects/libui-rs/ master ./target/debug/examples/basic
dyld: Library not loaded: @rpath/libui.A.dylib
  Referenced from: /Users/patrick/Projects/libui-rs/./target/debug/examples/basic
  Reason: image not found
[1]    32997 abort      ./target/debug/examples/basic