I get a build error with the latest SVN (happened last week, too). Used to build ok earlier in the year. No changes to compiler; only security updates to macOS 15.7. Have removed existing svn/trunk directory and tried a new svn clone. Same result.
$ make clean $ svn up $ ./configure --without-x $ make -w ... /bin/sh ../../libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I../.. -I ./.. -g -O2 -g -O2 -I /Volumes/WORK/Language/APL/gnu-apl/SVN/trunk -MT lib_template_OP2_la-template_OP2.lo -MD -MP -MF .deps/lib_template_OP2_la-template_OP2.Tpo -c -o lib_template_OP2_la-template_OP2.lo `test -f 'template_OP2.cc' || echo './'`template_OP2.cc libtool: compile: g++ -DHAVE_CONFIG_H -I. -I../.. -I ./.. -g -O2 -g -O2 -I /Volumes/WORK/Language/APL/gnu-apl/SVN/trunk -MT lib_template_OP2_la-template_OP2.lo -MD -MP -MF .deps/lib_template_OP2_la-template_OP2.Tpo -c template_OP2.cc -fno-common -DPIC -o .libs/lib_template_OP2_la-template_OP2.o libtool: compile: g++ -DHAVE_CONFIG_H -I. -I../.. -I ./.. -g -O2 -g -O2 -I /Volumes/WORK/Language/APL/gnu-apl/SVN/trunk -MT lib_template_OP2_la-template_OP2.lo -MD -MP -MF .deps/lib_template_OP2_la-template_OP2.Tpo -c template_OP2.cc -o lib_template_OP2_la-template_OP2.o >/dev/null 2>&1 mv -f .deps/lib_template_OP2_la-template_OP2.Tpo .deps/lib_template_OP2_la-template_OP2.Plo /bin/sh ../../libtool --tag=CXX --mode=link g++ -I ./.. -g -O2 -g -O2 -I /Volumes/WORK/Language/APL/gnu-apl/SVN/trunk -avoid-version -export-dynamic -o lib_template_OP2.la -rpath /usr/local/lib/apl lib_template_OP2_la-template_OP2.lo -lpcre2-32 -lpng -lz -lfftw3 -ldl -lm -lpthread libtool: link: g++ -r -keep_private_externs -nostdlib -o .libs/lib_template_OP2.dylib-master.o .libs/lib_template_OP2_la-template_OP2.o libtool: link: g++ -dynamiclib -Wl,-undefined -Wl,dynamic_lookup -o .libs/lib_template_OP2.dylib .libs/lib_template_OP2.dylib-master.o /usr/local/lib/libpcre2-32.dylib /usr/local/lib/libpng16.dylib -lz /usr/local/lib/libfftw3.a -ldl -lm -lpthread -g -O2 -g -O2 -pthread -install_name /usr/local/lib/apl/lib_template_OP2.dylib libtool: link: ar cr .libs/lib_template_OP2.a lib_template_OP2_la-template_OP2.o libtool: link: ranlib .libs/lib_template_OP2.a libtool: link: ( cd ".libs" && rm -f "lib_template_OP2.la" && ln -s "../lib_template_OP2.la" "lib_template_OP2.la" ) make[3]: *** [all-local] Error 1 make[3]: Leaving directory `/Volumes/WORK/Language/APL/gnu-apl/SVN/trunk/src/native' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/Volumes/WORK/Language/APL/gnu-apl/SVN/trunk/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/Volumes/WORK/Language/APL/gnu-apl/SVN/trunk' make: *** [all] Error 2 make: Leaving directory `/Volumes/WORK/Language/APL/gnu-apl/SVN/trunk' $ svn info Path: . Working Copy Root Path: /Volumes/WORK/Language/APL/gnu-apl/SVN/trunk URL: svn://svn.savannah.gnu.org/apl/trunk Relative URL: ^/trunk Repository Root: svn://svn.savannah.gnu.org/apl Repository UUID: bd74f7bd-1a55-4bac-9fab-68015b139e80 Revision: 2086 Node Kind: directory Schedule: normal Last Changed Author: j_sauermann Last Changed Rev: 2086 Last Changed Date: 2026-08-18 08:23:05 -0500 (Tue, 18 Aug 2026) $ g++ --version Apple clang version 17.0.0 (clang-1700.0.13.5) Target: arm64-apple-darwin24.6.0 Thread model: posix InstalledDir: /Library/Developer/CommandLineTools/usr/bin Thanks. -- Mike Hall
