Version: Linux Devuan amd64 stable (equivalent to debian Bullseye)
libtool: link: g++ -Wall -Wno-parentheses -I sql -I /home/russtopia/pkgs/apl/trunk -pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/harfbuzz -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -g -O2 -I /home/russtopia/pkgs/apl/trunk -o apl apl-main.o apl-Plot_gtk.o apl-Archive.o apl-Assert.o apl-Avec.o apl-Backtrace.o apl-Bif_F12_COMMA.o apl-Bif_F12_DOMINO.o apl-Bif_F12_INDEX_OF.o apl-Bif_F12_INTERVAL_INDEX.o apl-Bif_F12_FORMAT.o apl-Bif_F12_PARTITION_PICK.o apl-Bif_F12_SORT.o apl-Bif_F12_TAKE_DROP.o apl-Bif_OPER1_COMMUTE.o apl-Bif_OPER1_EACH.o apl-Bif_OPER2_POWER.o apl-Bif_OPER2_INNER.o apl-Bif_OPER2_OUTER.o apl-Bif_OPER2_RANK.o apl-Bif_OPER1_REDUCE.o apl-Bif_OPER1_SCAN.o apl-CDR.o apl-Cell.o apl-Doxy.o apl-CharCell.o apl-Command.o apl-Common.o apl-ComplexCell.o apl-DerivedFunction.o apl-DiffOut.o apl-DynamicObject.o apl-Error.o apl-Executable.o apl-FloatCell.o apl-Function.o apl-Id.o apl-IndexExpr.o apl-IndexIterator.o apl-InputFile.o apl-IntCell.o apl-IO_Files.o apl-LApack.o apl-LibPaths.o apl-LineInput.o apl-Logging.o apl-LvalCell.o apl-Malloc_hooks.o apl-Nabla.o apl-Macro.o apl-Missing_Libraries.o apl-NamedObject.o apl-NativeFunction.o apl-NumericCell.o apl-Output.o apl-Parallel.o apl-Parser.o apl-Performance.o apl-PointerCell.o apl-Prefix.o apl-Plot_line_properties.o apl-Plot_data.o apl-Plot_window_properties.o apl-PrimitiveFunction.o apl-PrintBuffer.o apl-QuadFunction.o apl-ProcessorID.o apl-Quad_CR.o apl-Quad_DLX.o apl-Quad_FFT.o apl-Quad_FIO.o apl-Quad_FX.o apl-Quad_GTK.o apl-Quad_JSON.o apl-Quad_MAP.o apl-Quad_PLOT.o apl-Quad_PNG.o apl-Quad_RE.o apl-Quad_RL.o apl-Quad_RVAL.o apl-Quad_SQL.o apl-Quad_SVx.o apl-Quad_TF.o apl-Quad_WA.o apl-Quad_XML.o apl-RealCell.o apl-sbrk.o apl-Shape.o apl-ScalarFunction.o apl-Security.o apl-StateIndicator.o apl-Svar_DB.o apl-Svar_record.o apl-Symbol.o apl-SymbolTable.o apl-SystemVariable.o apl-TabExpansion.o apl-Thread_context.o apl-Token.o apl-Tokenizer.o apl-UCS_string.o apl-UCS_string_vector.o apl-UserFunction.o apl-UserFunction_header.o apl-UserPreferences.o apl-UTF8_string.o apl-Value.o apl-ValueHistory.o apl-Workspace.o apl-static_Objects.o apl-Regexp.o -Wl,--export-dynamic -lpangocairo-1.0 -lpango-1.0 -lharfbuzz -latk-1.0 -lcairo-gobject -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0 -lcairo -lgdk-3 -lgtk-3 -lpcre2-32 -lz -lpng -lc -ldl -lm -lnsl -lpthread -pthread
/usr/bin/ld: apl-Plot_gtk.o: undefined reference to symbol 'XInitThreads'
/usr/bin/ld: /usr/lib/x86_64-linux-gnu/libX11.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:1544: apl] Error 1
make[3]: Leaving directory '/home/russtopia/pkgs/apl/trunk/src'
make[2]: *** [Makefile:5340: all-recursive] Error 1
make[2]: Leaving directory '/home/russtopia/pkgs/apl/trunk/src'
make[1]: *** [Makefile:542: all-recursive] Error 1
make[1]: Leaving directory '/home/russtopia/pkgs/apl/trunk'
make: *** [Makefile:430: all] Error 2
---
If I add '-lX11' to LIBS in src/Makefile after running ./configure, it gets a bit further but fails on a GTK symbol:
... gio-2.0 -lgobject-2.0 -lglib-2.0 -lX11 -lcairo -lgdk-3 -lgtk-3 -lpcre2-32 -lz -lpng -lc -ldl -lm -lnsl -lpthread -pthread
/usr/bin/ld: apl-Plot_gtk.o: in function `plot_destroyed':
/home/russtopia/pkgs/apl/trunk/src/Plot_gtk.cc:1428: undefined reference to `Quad_PLOT::PLOT_context::remove_handle(int)'
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:1544: apl] Error 1
configure.log attached.
config.log