xplot fails to configure on mac sequoia 15.3.1

[daviderstewart]

sh-3.2# port clean xplot
--->  Cleaning xplot
sh-3.2# port install xplot
--->  Computing dependencies for xplot
--->  Fetching archive for xplot
--->  Attempting to fetch xplot-0.90.7.1_0.darwin_24.arm64.tbz2 from https://packages.macports.org/xplot
--->  Attempting to fetch xplot-0.90.7.1_0.darwin_24.arm64.tbz2 from http://mirror.fcix.net/macports/packages/xplot
--->  Attempting to fetch xplot-0.90.7.1_0.darwin_24.arm64.tbz2 from https://ywg.ca.packages.macports.org/mirror/macports/packages/xplot
--->  Fetching distfiles for xplot
--->  Verifying checksums for xplot
--->  Extracting xplot
--->  Applying patches to xplot
--->  Configuring xplot
Error: Failed to configure xplot: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_xplot/xplot/work/xplot-0.90.7.1/config.log
Error: Failed to configure xplot: configure failure: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_xplot/xplot/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.
Error: Processing of port xplot failed

:info:configure checking for gcc... /usr/bin/clang
:info:configure checking whether the C compiler (/usr/bin/clang -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64) works... no
:info:configure configure: error: installation or configuration problem: C compiler cannot create executables.
:info:configure Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_xplot/xplot/work/xplot-0.90.7.1" && ./configure --prefix=/opt/local --x-includes=/opt/local/include --x-libraries=/opt/local/lib 
:info:configure Exit code: 1
:error:configure Failed to configure xplot: consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_xplot/xplot/work/xplot-0.90.7.1/config.log
:error:configure Failed to configure xplot: configure failure: command execution failed
:debug:configure Error code: NONE
:debug:configure Backtrace: configure failure: command execution failed
:debug:configure     while executing
:debug:configure "$procedure $targetname"
:error:configure See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_math_xplot/xplot/main.log for details.

configure:532: checking for gcc
configure:645: checking whether the C compiler (/usr/bin/clang -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64 -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64) works
configure:661: /usr/bin/clang -o conftest -pipe -Os -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64 -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk -arch arm64 conftest.c  1>&5
configure:658:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
  658 | main(){return(0);}
      | ^
      | int
1 error generated.
configure: failed program was:

#line 656 "configure"
#include "confdefs.h"

main(){return(0);}

*line 658 needs "int" before the main function