make 'spacetime publish' work

otherwise:

error[E0432]: unresolved import `crate::sys::IoSourceState`
  --> /home/user/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/mio-1.0.3/src/io_source.rs:14:5
   |
14 | use crate::sys::IoSourceState;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `IoSourceState` in `sys`

tokio-rs/mio#1850
tokio-rs/mio#1681
tokio-rs/mio#1856

and something like this when openssl is also included:
  DEBUG: CMAKECONFIGDIR = /home/user/SOURCE/my/quickstart-chat/server/target/wasm32-unknown-unknown/release/build/openssl-sys-756c4c8b4d61ba02/out/openssl-build/install/lib/cmake/OpenSSL => CMAKECONFIGDIR = /home/user/SOURCE/my/quickstart-chat/server/target/wasm32-unknown-unknown/release/build/openssl-sys-756c4c8b4d61ba02/out/openssl-build/install/lib/cmake/OpenSSL, CMAKECONFIGDIR_REL_LIBDIR = cmake/OpenSSL
  In file included from apps/lib/app_provider.c:10:
  In file included from apps/include/apps.h:13:
  include/internal/common.h:14:11: fatal error: 'stdlib.h' file not found
     14 | # include <stdlib.h>
        |           ^~~~~~~~~~
  In file included from apps/lib/app_libctx.c:9:
  In file included from apps/include/app_libctx.h:13:
  In file included from include/openssl/types.h:32:
  include/openssl/e_os2.h:203:12: fatal error: 'sys/types.h' file not found
    203 | #  include <sys/types.h>
        |            ^~~~~~~~~~~~~
  apps/lib/app_x509.cIn file included from :apps/lib/app_params.c10::1010:
  :In file included from  apps/include/apps.hfatal error: :'string.h' file not found13
  :
  include/internal/common.h:14:11   :10  | fatal error: #'stdlib.h' file not foundi
  nclude    14< | s#t riinncgl.uhd>e
         <| s         ^~~~~~~~~~t
  dlib.h>
        |           ^~~~~~~~~~
  In file included from apps/lib/app_rand.c:10:
  In file included from include/internal/e_os.h:16:
  include/openssl/e_os2.h:203:12: fatal error: 'sys/types.h' file not found
    203 | #  include <sys/types.h>
        |            ^~~~~~~~~~~~~
  In file included from apps/lib/apps.c:21:
  In file included from include/openssl/engine.h:24:
  In file included from include/openssl/bn.h:20:
  include/openssl/e_os2.h:203:12: fatal error: 'sys/types.h' file not found
    203 | #  include <sys/types.h>
        |            ^~~~~~~~~~~~~
  1 error generated.
  make[1]: *** [Makefile:4000: apps/lib/libapps-lib-app_libctx.o] Error 1
  make[1]: *** Waiting for unfinished jobs....
  1 error generated.
  1 error generated.
  1 error generated.
  make[1]: *** [Makefile:4024: apps/lib/libapps-lib-app_rand.o] Error 1
  1 error generated.
  make[1]: *** [Makefile:4016: apps/lib/libapps-lib-app_provider.o] Error 1
  make[1]: *** [Makefile:4008: apps/lib/libapps-lib-app_params.o] Error 1
  make[1]: *** [Makefile:4032: apps/lib/libapps-lib-app_x509.o] Error 1
  1 error generated.
  make[1]: *** [Makefile:4040: apps/lib/libapps-lib-apps.o] Error 1
  make: *** [Makefile:2459: build_libs] Error 2

  Error building OpenSSL:
      'make' reported failure with exit status: 2
      Command failed: cd "/home/user/SOURCE/my/quickstart-chat/server/target/wasm32-unknown-unknown/release/build/openssl-sys-756c4c8b4d61ba02/out/openssl-build/build/src" && MAKEFLAGS="-j --jobserver-fds=8,9 --jobserver-auth=8,9" "make" "build_libs"

Error: command ["cargo", "build", "--config=net.git-fetch-with-cli=true", "--target=wasm32-unknown-unknown", "--release", "--message-format=json-render-diagnostics"] exited with code 101

Author: dare3path

crates/lib/Cargo.toml

@@ -42,13 +42,18 @@ serde = { workspace = true, optional = true }
 thiserror.workspace = true
 blake3.workspace = true
 enum-map = { workspace = true, optional = true }
-tokio.workspace = true
+
+#XXX: can't bring openssl or mio into this lib due to "publish" failing to compile them in wasm!
+#eg. hyper,reqwest,native-tls,tokio all bring either of them.
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+#tokio = { version= "1.44", default-features = false, features = ["rt", "sync", "time"] }
+tokio.workspace = true #this "full" tokio causes 'mio' to fail to wasm compile see: https://github.com/tokio-rs/mio/pull/1856
 #native-tls = "0.2"
 native-tls.workspace=true
-clap.workspace = true
 hyper.workspace=true
 reqwest.workspace=true
 openssl.workspace=true
+clap.workspace = true
 
 # For the 'proptest' feature.
 proptest = { workspace = true, optional = true }

crates/lib/src/lib.rs

@@ -6,7 +6,23 @@ use spacetimedb_sats::{impl_serialize, WithTypespace};
 use std::any::TypeId;
 use std::collections::{btree_map, BTreeMap};
 
+
+macro_rules! non_wasm {
+    ($($item:item)*) => {
+        $(
+            #[cfg(not(target_arch = "wasm32"))]
+            $item
+        )*
+    };
+}
+
+
+//XXX: we avoid anything 'mio' or 'openssl' which will fail to compile in wasm32; this this lib is
+//used on both wasm32 during 'spacetime publish' compilation and non-wasm32 ie. x86_64
+//#[cfg(not(target_arch = "wasm32"))]
+non_wasm! {
 use tokio::io::AsyncReadExt;
+}
 
 
 pub mod connection_id;
@@ -390,6 +406,8 @@ pub fn resolved_type_via_v9<T: SpacetimeType>() -> AlgebraicType {
         .expect("recursive types not supported")
 }
 
+//#[cfg(not(target_arch = "wasm32"))]
+non_wasm! {
 pub async fn load_root_cert(cert_path: Option<&std::path::Path>) -> anyhow::Result<Option<native_tls::Certificate>> {
     if let Some(path) = cert_path {
         // Open file asynchronously
@@ -596,6 +614,7 @@ pub fn client_no_trust_system_root_store() -> clap::Arg {
 /// Asynchronously reads a file with a maximum size limit of 1 MiB.
 /// Files of 1 MiB or larger will fail; files under 1 MiB are allowed.
 /// This should avoid unresponsive system(DOS-ing) until OOM kicks in  if you do /dev/zero as the path.
+//#[cfg(not(target_arch = "wasm32"))]
 pub async fn read_file_limited(path: &std::path::Path) -> anyhow::Result<Vec<u8>> {
     // if file is >= to this, fails!
     const MAX_SIZE: u64 = 1_048_576; // 1 MiB
@@ -839,6 +858,7 @@ Error: Failed sending request to https://127.0.0.1:3000: Server closed the conne
 )
 
 */
+//#[cfg(not(target_arch = "wasm32"))]
 pub fn map_request_error<E: Into<anyhow::Error>>(
     e: E,
     url: &String,
@@ -991,3 +1011,6 @@ macro_rules! map_request_error {
                 ))
     };
 }
+
+
+} // end of non_wasm! macro call