gas itself builds ok on i386. I haven't tried building other ports
with it yet.

'make test' fails if dejagnu is installed,

| : i386.p; make test
| ===>  Regression tests for gas-2.45
| gmake[1]: Entering directory '/pobj/gas-2.45/binutils-2.45'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake  check-recursive
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd'
| Making check in po
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd/po'
| gmake[4]: Nothing to be done for 'check'.
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd/po'
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[4]: Circular doc/bfd.stamp <- doc/bfd.texi dependency dropped.
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| Making check in .
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| Making check in po
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/opcodes/po'
| gmake[3]: Nothing to be done for 'check'.
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/opcodes/po'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/etc'
| gmake[2]: Nothing to be done for 'check'.
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/etc'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas'
| Making check in po
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas/po'
| gmake[3]: Nothing to be done for 'check'.
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas/po'
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas'
| rm -f doc/asconfig.texi
| cp ./doc/all.texi doc/asconfig.texi && touch -m -r ./doc/all.texi doc/asconfig.texi
| chmod u+w doc/asconfig.texi
| gmake  check-DEJAGNU
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas'
| if [ -d testsuite ]; then \
|   true; \
| else \
|   mkdir testsuite; \
| fi
| rm -f testsuite/site.exp
| cp site.exp testsuite/site.exp
| rootme=`pwd`; export rootme; \
| srcdir=`cd .; pwd` ; export srcdir ; \
| LC_ALL=C; export LC_ALL; \
| EXPECT=expect ; export EXPECT ; \
| runtest=runtest; \
| cd testsuite; \
| if /bin/sh -c "$runtest --version" > /dev/null 2>&1; then \
|   $runtest --tool gas --srcdir ${srcdir}/testsuite \
| 	; \
| else echo "WARNING: could not find \`runtest'" 1>&2; :;\
| fi
| WARNING: Couldn't find the global config file.
| WARNING: Couldn't find tool init file
| Test Run By _pbuild on Tue Aug  5 10:01:03 2025
| Native configuration is i386-unknown-openbsd7.7
| 
| 		=== gas tests ===
| 
| Schedule of variations:
|     unix
| 
| Running target unix
| Using /usr/local/share/dejagnu/baseboards/unix.exp as board description file for target.
| Using /usr/local/share/dejagnu/config/unix.exp as generic interface file for target.
| Using /pobj/gas-2.45/binutils-2.45/gas/testsuite/config/default.exp as tool-and-target-specific interface file.
| Running /pobj/gas-2.45/binutils-2.45/gas/testsuite/gas/aarch64/aarch64.exp ...
| Running /pobj/gas-2.45/binutils-2.45/gas/testsuite/gas/aarch64/codeview.exp ...
| Running /pobj/gas-2.45/binutils-2.45/gas/testsuite/gas/aarch64/sysreg/aarch64-sysreg.exp ...
| Running /pobj/gas-2.45/binutils-2.45/gas/testsuite/gas/all/gas.exp ...
| ERROR: (DejaGnu) proc "get_relative_path /pobj/gas-2.45/binutils-2.45/gas/testsuite/gas/all tmpdir/none.s" does not exist.
| The error code is NONE
| The info on the error is:
| invalid command name "get_relative_path"
|     while executing
| "::tcl_unknown get_relative_path /pobj/gas-2.45/binutils-2.45/gas/testsuite/gas/all tmpdir/none.s"
|     ("uplevel" body line 1)
|     invoked from within
| "uplevel 1 ::tcl_unknown $args"
| 
| 		=== gas Summary ===
| 
| # of expected passes		7
| ../as-new 2.45
| 
| gmake[4]: *** [Makefile:2064: check-DEJAGNU] Error 1
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas'
| gmake[3]: *** [Makefile:1807: check-am] Error 2
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas'
| gmake[2]: *** [Makefile:1676: check-recursive] Error 1
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas'
| gmake[1]: *** [Makefile:5238: check-gas] Error 2
| gmake[1]: Leaving directory '/pobj/gas-2.45/binutils-2.45'
| gmake: *** [Makefile:2560: do-check] Error 2
| *** Error 2 in . (/usr/ports/infrastructure/mk/bsd.port.mk:3105 '/pobj/gas-2.45/.test_done': @cd /pobj/gas-2.45/binutils-2.45 && exec 3>&1 &...)
| *** Error 2 in /usr/ports/devel/gas (/usr/ports/infrastructure/mk/bsd.port.mk:2713 'test': @lock=gas-2.45;  export _LOCKS_HELD=" gas-2.45"; ...)

but looks good (apart from missing tests) if dejagnu is _not_ installed:

| : i386.p; make test
| ===>  Regression tests for gas-2.45
| gmake[1]: Entering directory '/pobj/gas-2.45/binutils-2.45'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake  check-recursive
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd'
| Making check in po
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd/po'
| gmake[4]: Nothing to be done for 'check'.
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd/po'
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[4]: Circular doc/bfd.stamp <- doc/bfd.texi dependency dropped.
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/bfd'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| Making check in .
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| Making check in po
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/opcodes/po'
| gmake[3]: Nothing to be done for 'check'.
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/opcodes/po'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/opcodes'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/etc'
| gmake[2]: Nothing to be done for 'check'.
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/etc'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas'
| Making check in po
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas/po'
| gmake[3]: Nothing to be done for 'check'.
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas/po'
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas'
| rm -f doc/asconfig.texi
| cp ./doc/all.texi doc/asconfig.texi && touch -m -r ./doc/all.texi doc/asconfig.texi
| chmod u+w doc/asconfig.texi
| gmake  check-DEJAGNU
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/gas'
| /usr/bin/egrep "(development|experimental)=" ./../bfd/development.sh  \
|   | awk -F= '{ print "set " $1 " " $2 }' > development.exp
| Making a new site.exp file ...
| if [ -d testsuite ]; then \
|   true; \
| else \
|   mkdir testsuite; \
| fi
| rm -f testsuite/site.exp
| cp site.exp testsuite/site.exp
| rootme=`pwd`; export rootme; \
| srcdir=`cd .; pwd` ; export srcdir ; \
| LC_ALL=C; export LC_ALL; \
| EXPECT=expect ; export EXPECT ; \
| runtest=runtest; \
| cd testsuite; \
| if /bin/sh -c "$runtest --version" > /dev/null 2>&1; then \
|   $runtest --tool gas --srcdir ${srcdir}/testsuite \
| 	; \
| else echo "WARNING: could not find \`runtest'" 1>&2; :;\
| fi
| WARNING: could not find `runtest'
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/gas'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/libiberty'
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/libiberty/testsuite'
| cc -DHAVE_CONFIG_H -O2 -pipe      -I.. -I./../../include  -o test-demangle \
| 	./test-demangle.c ../libiberty.a
| ld.lld: warning: cp-demangle.c(cp-demangle.o:(cplus_demangle_type) in archive ../libiberty.a): warning: sprintf() is often misused, please use snprintf()
| ld.lld: warning: cplus-dem.c(cplus-dem.o:(ada_demangle) in archive ../libiberty.a): warning: strcpy() is almost always misused, please use strlcpy()
| ./test-demangle < ./demangle-expected
| ./test-demangle: 418 tests, 0 failures
| ./test-demangle < ./d-demangle-expected
| ./test-demangle: 365 tests, 0 failures
| ./test-demangle < ./rust-demangle-expected
| ./test-demangle: 75 tests, 0 failures
| cc -DHAVE_CONFIG_H -O2 -pipe      -I.. -I./../../include  -DHAVE_CONFIG_H -I.. -o test-pexecute \
| 	./test-pexecute.c ../libiberty.a
| ld.lld: warning: xstrerror.c(xstrerror.o:(xstrerror) in archive ../libiberty.a): warning: sprintf() is often misused, please use snprintf()
| ld.lld: warning: make-temp-file.c(make-temp-file.o:(choose_tmpdir) in archive ../libiberty.a): warning: strcpy() is almost always misused, please use strlcpy()
| ./test-pexecute
| cc -DHAVE_CONFIG_H -O2 -pipe      -I.. -I./../../include  -DHAVE_CONFIG_H -I.. -o test-expandargv \
| 	./test-expandargv.c ../libiberty.a
| ld.lld: warning: xstrerror.c(xstrerror.o:(xstrerror) in archive ../libiberty.a): warning: sprintf() is often misused, please use snprintf()
| ./test-expandargv
| PASS: test-buildargv-0.
| PASS: test-expandargv-0.
| PASS: test-buildargv-1.
| PASS: test-expandargv-1.
| PASS: test-buildargv-2.
| PASS: test-expandargv-2.
| PASS: test-buildargv-3.
| PASS: test-expandargv-3.
| PASS: test-buildargv-4.
| PASS: test-expandargv-4.
| PASS: test-buildargv-5.
| PASS: test-expandargv-5.
| PASS: test-buildargv-6.
| PASS: test-expandargv-6.
| PASS: test-buildargv-7.
| PASS: test-expandargv-7.
| PASS: test-buildargv-8.
| PASS: test-expandargv-8.
| PASS: test-buildargv-9.
| PASS: test-expandargv-9.
| PASS: test-buildargv-10.
| PASS: test-expandargv-10.
| PASS: test-buildargv-11.
| PASS: test-expandargv-11.
| PASS: test-buildargv-12.
| PASS: test-expandargv-12.
| cc -DHAVE_CONFIG_H -O2 -pipe      -I.. -I./../../include  -DHAVE_CONFIG_H -I.. -o test-strtol \
| 	./test-strtol.c ../libiberty.a
| ./test-strtol
| PASS: test-strtol-0.
| PASS: test-strtol-1.
| PASS: test-strtol-2.
| PASS: test-strtol-3.
| PASS: test-strtol-4.
| PASS: test-strtol-5.
| PASS: test-strtol-6.
| PASS: test-strtol-7.
| PASS: test-strtol-8.
| PASS: test-strtol-9.
| PASS: test-strtol-10.
| PASS: test-strtol-11.
| PASS: test-strtol-12.
| PASS: test-strtol-13.
| PASS: test-strtol-14.
| PASS: test-strtol-15.
| PASS: test-strtol-16.
| PASS: test-strtol-17.
| PASS: test-strtol-18.
| PASS: test-strtol-19.
| PASS: test-strtol-20.
| PASS: test-strtol-21.
| PASS: test-strtol-22.
| PASS: test-strtol-23.
| cc -DHAVE_CONFIG_H -O2 -pipe      -I.. -I./../../include  -DHAVE_CONFIG_H -I.. -o test-doubly-linked-list \
| 	./test-doubly-linked-list.c
| ./test-doubly-linked-list
| 10 4 3 1 9 2
| PASS: test-linked-list::append: check forward conformity
| 2 9 1 3 4 10
| PASS: test-linked-list::append: check backward conformity
| 
| 1 2 3 4 9 10
| PASS: test-linked-list::sort: check forward conformity
| 10 9 4 3 2 1
| PASS: test-linked-list::sort: check backward conformity
| 
| 11 1 2 3 4 9 10
| PASS: test-linked-list::prepend: check forward conformity
| 10 9 4 3 2 1 11
| PASS: test-linked-list::prepend: check backward conformity
| 
| 11 1 2 3 4 9 8 10
| PASS: test-linked-list::insert_before: check forward conformity
| 10 8 9 4 3 2 1 11
| PASS: test-linked-list::insert_before: check backward conformity
| 
| 11 2 3 4 9 8 10
| PASS: test-linked-list::remove: check forward conformity
| 10 8 9 4 3 2 11
| PASS: test-linked-list::remove: check backward conformity
| 
| 10 2 3 4 9 8 11
| PASS: test-linked-list::swap first and last: check forward conformity
| 11 8 9 4 3 2 10
| PASS: test-linked-list::swap first and last: check backward conformity
| 
| 10 3 2 4 9 8 11
| PASS: test-linked-list::swap adjacent nodes: check forward conformity
| 11 8 9 4 2 3 10
| PASS: test-linked-list::swap adjacent nodes: check backward conformity
| 
| 10 9 2 4 3 8 11
| PASS: test-linked-list::swap non-adjacent nodes: check forward conformity
| 11 8 3 4 2 9 10
| PASS: test-linked-list::swap non-adjacent nodes: check backward conformity
| 
| 2 3 4 8 9 10 11
| PASS: test-linked-list::sort: check forward conformity
| 11 10 9 8 4 3 2
| PASS: test-linked-list::sort: check backward conformity
| 
| 3 4 8 9 10 11
| PASS: test-linked-list::pop_front: check forward conformity
| 11 10 9 8 4 3
| PASS: test-linked-list::pop_front: check backward conformity
| 
| 3 4 8 9 10
| PASS: test-linked-list::pop_back: check forward conformity
| 10 9 8 4 3
| PASS: test-linked-list::pop_back: check backward conformity
| 
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libiberty/testsuite'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libiberty'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/libctf'
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/libctf'
| gmake  check-DEJAGNU
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/libctf'
| /usr/bin/egrep "(development|experimental)=" ./../bfd/development.sh  \
|   | awk -F= '{ print "set " $1 " " $2 }' > development.exp
| echo "set have_tcl_try false" >> development.exp
| Making a new site.exp file ...
| srcroot=`cd . && pwd`; export srcroot; \
| r=`pwd`; export r; \
| LC_ALL=C; export LC_ALL; \
| EXPECT=expect; export EXPECT; \
| if [ "i386-unknown-openbsd7.7" = "i386-unknown-openbsd7.7" ] ; then \
|   TEST_CROSS=no; \
| else \
|   TEST_CROSS=yes; \
| fi; \
| runtest=runtest; \
| if /bin/sh -c "$runtest --version" > /dev/null 2>&1; then \
|   $runtest --tool libctf --srcdir ${srcroot}/testsuite \
| 	CC="cc" CC_FOR_TARGET="cc" TEST_CROSS="${TEST_CROSS}" \
| 	CFLAGS="-O2 -pipe     -I./../include -I. -I. -I./../bfd " \
| 	LIBS="-L/pobj/gas-2.45/binutils-2.45/libctf/../libiberty -liberty  -lz " ; \
| else echo "WARNING: could not find \`runtest'" 1>&2; :;\
| fi
| WARNING: could not find `runtest'
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libctf'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libctf'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libctf'
| gmake[2]: Entering directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake  all-am
| gmake[4]: Entering directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake[4]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake  check-DEJAGNU
| gmake[3]: Entering directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| Making a new site.exp file ...
| srcroot=`cd . && pwd`; export srcroot; \
| r=`pwd`; export r; \
| LC_ALL=C; export LC_ALL; \
| EXPECT=expect; export EXPECT; \
| runtest=runtest; \
| if /bin/sh -c "$runtest --version" > /dev/null 2>&1; then \
|   $runtest --tool libsframe --srcdir ${srcroot}/testsuite \
| 	CC="cc" \
| 	CROSS_COMPILE="" \
| 	COMPAT_DEJAGNU="no" \
| 	CFLAGS="-O2 -pipe     -I./../include -I. -I." \
| 	; \
| else echo "WARNING: could not find \`runtest'" 1>&2; :;\
| fi
| WARNING: could not find `runtest'
| gmake[3]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake[2]: Leaving directory '/pobj/gas-2.45/binutils-2.45/libsframe'
| gmake[1]: Nothing to be done for 'check-target'.
| gmake[1]: Leaving directory '/pobj/gas-2.45/binutils-2.45'