xemacs-21.4.22_18+sumo: configure:2412:10: fatal error: 'features.h' file not found

[hafden]

% sudo port install xemacs 
--->  Computing dependencies for xemacs
--->  Fetching archive for xemacs
--->  Attempting to fetch xemacs-21.4.22_18+sumo.darwin_21.x86_64.tbz2 from https://packages.macports.org/xemacs
--->  Attempting to fetch xemacs-21.4.22_18+sumo.darwin_21.x86_64.tbz2 from https://nue.de.packages.macports.org/xemacs
--->  Attempting to fetch xemacs-21.4.22_18+sumo.darwin_21.x86_64.tbz2 from https://fra.de.packages.macports.org/xemacs
--->  Fetching distfiles for xemacs
--->  Verifying checksums for xemacs
--->  Extracting xemacs
--->  Applying patches to xemacs
--->  Configuring xemacs
Error: Failed to configure xemacs: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_xemacs/xemacs/work/xemacs-21.4.22/config.log
Error: Failed to configure xemacs: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_editors_xemacs/xemacs/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
Error: Processing of port xemacs failed

and in the log I find

configure:2423: /usr/bin/clang -c -pipe -Os -std=gnu89 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk -arch x86_64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk      conftest.c 1>&5
configure:2412:10: fatal error: 'features.h' file not found
#include <features.h>
         ^~~~~~~~~~~~
1 error generated.
configure: failed program was:
#line 2411 "configure"
#include "confdefs.h"
#include <features.h>
int main() {

I am on a Monterey 12.7.4 (21H1123)

[jmroot (Joshua Root)]

The actual problem appears to be several implicit declaration errors.

[jmroot (Joshua Root)]

#61383