$ export AUTOCONF_VERSION="2.71"
$ export AUTOMAKE_VERSION="1.16"
$ ./autogen.sh
$ ./configure \
'CFLAGS=-I/usr/include -I/usr/X11R6/include -I/usr/local/include' \
'LDFLAGS=-L/usr/lib -L/usr/X11R6/lib -L/usr/local/lib -lgccjit' \
--prefix=/usr/local \
--mandir=/usr/local/share/man \
--infodir=/usr/local/info \
--with-x-toolkit=athena \
--with-imagemagick \
--with-xaw3d \
--with-x \
--without-xim \
--with-xpm=ifavailable \
--with-native-compilation

checking for gcc_jit_context_acquire in -lgccjit... yes
checking for libgccjit.h... yes
configure: error: The installed libgccjit failed to compile and run a test program using
the libgccjit library; see config.log for the details of the failure.
The test program can be found here:
< https://gcc.gnu.org/onlinedocs/jit/intro/tutorial01.html>. 

You can try compiling it yourself to investigate the issues.
Please report the issue to your distribution if libgccjit was installed
through that.
You can find the instructions on how to compile and install libgccjit from
source on this site:
< https://gcc.gnu.org/wiki/JIT>. 

$ egcc -I/usr/include -I/usr/local/include -L/usr/lib -L/usr/local/lib \
tut01-hello-world.c -o tut01-hello-world -lgccjit
$ ./tut01-hello-world
ld: error: unable to find library -lgcc
ld: error: unable to find library -lgcc
libgccjit.so: error: error invoking gcc driver
NULL result

$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/gcc/x86_64-unknown-openbsd7.3/11.2.0
$ ./tut01-hello-world
hello world

$ ./autogen.sh
$ ./configure \
'CFLAGS=-I/usr/include -I/usr/X11R6/include -I/usr/local/include' \
'LDFLAGS=-L/usr/lib -L/usr/X11R6/lib -L/usr/local/lib -lgccjit' \
--prefix=/usr/local \
--mandir=/usr/local/share/man \
--infodir=/usr/local/info \
--with-x-toolkit=athena \
--with-imagemagick \
--with-xaw3d \
--with-x \
--without-xim \
--with-xpm=ifavailable \
--with-native-compilation
$ git pull
$ gmake bootstrap
$ gmake check
# gmake install

(setenv "LD_LIBRARY_PATH" "$LD_LIBRARY_PATH:/usr/local/lib/gcc/x86_64-unknown-openbsd7.3/11.2.0")