By the way, the version of autoconf needed to run the automake test can be found in:
https://git.sr.ht/~jemarch/a68-autoconf Branch a68. > Hello. > > New version of the patch below. Differences from previous versions: > > - The GA68 variable has been renamed to A68. (This has been also > changed in the corresponding autoconf patches.) > - Added a section 'Algol 68 Support' to the manual. > - Added a test t/a68-demo.sh. > > commit c33511e6df2b23de3040484a56cc0efdff5c0691 > Author: Jose E. Marchesi <jose.march...@oracle.com> > Date: Fri Jan 24 00:20:27 2025 +0100 > > Add support for the Algol 68 programming language. > > * NEWS: Add entry for Algol 68. > * doc/automake.texi (Algol 68 Support): New section. > * bin/automake.in: Call register_language for Algol 68. > (resolve_linker): handle A68LINK. > (%_am_macro_for_cond): Add entry for am__fastdepGA68. > * configure.ac: Look for ga68 and set GNU_GA68 and GNU_A68FLAGS if fuond. > * lib/Automake/Variable.pm (%_ac_macro_for_var): Add entries for GA68 > and GA68FLAGS. > * t/a68-demo.sh: New test. > > diff --git a/NEWS b/NEWS > index b4c50ffc6..9da978c39 100644 > --- a/NEWS > +++ b/NEWS > @@ -4,6 +4,10 @@ please see NEWS-future and start following the advice there > now. > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > New in 1.x: > > +* New supported languages: > + > + - Support for Algol 68 has been added; based on the GNU Algol 68 compiler. > + > * Miscellaneous changes > > - Only require the presence of an ABOUT-NLS file at the 'gnits' > diff --git a/bin/automake.in b/bin/automake.in > index 5d3e7c766..f7451e3f8 100644 > --- a/bin/automake.in > +++ b/bin/automake.in > @@ -1023,6 +1023,24 @@ register_language ('name' => 'java', > 'pure' => 1, > 'extensions' => ['.java', '.class', '.zip', '.jar']); > > +# Algol 68 in GCC > +register_language ('name' => 'a68', > + 'Name' => 'Algol 68', > + 'config_vars' => ['A68'], > + 'linker' => 'A68LINK', > + 'link' => '$(A68LD) $(AM_A68FLAGS) $(A68FLAGS) > $(AM_LDFLAGS) $(LDFLAGS) -o $@', > + 'flags' => ['A68FLAGS'], > + 'compile' => '$(A68) $(AM_A68FLAGS) $(A68FLAGS)', > + 'ccer' => 'A68', > + 'compiler' => 'A68COMPILE', > + 'compile_flag' => '-c', > + 'output_flag' => '-o', > + 'libtool_tag' => 'A68', > + 'lder' => 'A68LD', > + 'ld' => '$(A68)', > + 'pure' => 1, > + 'extensions' => ['.a68']); > + > ################################################################ > > # Error reporting functions. > @@ -5564,7 +5582,7 @@ EOF > if (0 == keys %libtool_tags) > { > # Hardcode the tags supported by Libtool 1.5. > - %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1); > + %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1, A68 => 1); > } > } > } > @@ -6057,7 +6075,7 @@ sub resolve_linker > { > my (%linkers) = @_; > > - foreach my $l (qw(GCJLINK OBJCXXLINK CXXLINK F77LINK FCLINK OBJCLINK > UPCLINK)) > + foreach my $l (qw(GCJLINK A68LINK OBJCXXLINK CXXLINK F77LINK FCLINK > OBJCLINK UPCLINK)) > { > return $l if defined $linkers{$l}; > } > @@ -6176,11 +6194,12 @@ my %_am_macro_for_cond = > ( > AMDEP => "one of the compiler tests\n" > . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC, AC_PROG_OBJCXX,\n" > - . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC", > + . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC, AM_PROG_A68", > am__fastdepCC => 'AC_PROG_CC', > am__fastdepCCAS => 'AM_PROG_AS', > am__fastdepCXX => 'AC_PROG_CXX', > am__fastdepGCJ => 'AM_PROG_GCJ', > + am__fastdepA68 => 'AM_PROG_A68', > am__fastdepOBJC => 'AC_PROG_OBJC', > am__fastdepOBJCXX => 'AC_PROG_OBJCXX', > am__fastdepUPC => 'AM_PROG_UPC' > diff --git a/configure.ac b/configure.ac > index 0a9e1904e..27fe4a328 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -565,6 +565,16 @@ if test "$GNU_F77" != false; then > _AM_SKIP_COMP_TESTS([GNU Fortran 77])]) > fi > > +# GNU Algol 68 compiler. > +AC_ARG_VAR([GNU_A68], [GNU Algol 68 compiler]) > +AC_ARG_VAR([GNU_A68FLAGS], [GNU Algol 68 compiler flags]) > +AC_CHECK_TOOLS([GNU_A68], [ga68], [false]) > +if test "$GNU_A68" != false; then > + AS_IF([AM_RUN_LOG([$GNU_A68 --version && $GNU_A68 -v])], [], > + [AC_MSG_WARN([botched installation for GNU Algol 68 compiler]) > + _AM_SKIP_COMP_TESTS([GNU Algol 68])]) > +fi > + > # GNU Java compiler. > AC_ARG_VAR([GNU_GCJ], [GNU Java compiler]) > AC_ARG_VAR([GNU_GCJFLAGS], [GNU Java compiler flags]) > diff --git a/doc/automake.texi b/doc/automake.texi > index a5b993007..4f848e7af 100644 > --- a/doc/automake.texi > +++ b/doc/automake.texi > @@ -230,6 +230,7 @@ Building Programs and Libraries > * Fortran 9x Support:: Compiling Fortran 9x sources > * Java Support with gcj:: Compiling Java sources using gcj > * Vala Support:: Compiling Vala sources > +* Algol 68 Support:: Compiling Algol 68 sources > * Support for Other Languages:: Compiling other languages > * Dependencies:: Automatic dependency tracking > * EXEEXT:: Support for executable extensions > @@ -4848,6 +4849,7 @@ to build programs and libraries. > * Fortran 9x Support:: Compiling Fortran 9x sources > * Java Support with gcj:: Compiling Java sources using gcj > * Vala Support:: Compiling Vala sources > +* Algol 68 Support:: Compiling Algol 68 sources > * Support for Other Languages:: Compiling other languages > * Dependencies:: Automatic dependency tracking > * EXEEXT:: Support for executable extensions > @@ -7178,6 +7180,41 @@ Note that currently, you cannot use per-target > @code{*_VALAFLAGS} > (@pxref{Renamed Objects}) to produce different C files from one Vala > source file. > > +@node Algol 68 Support > +@comment node-name, next, previous, up > +@section Algol 68 Support > + > +@cindex Algol 68 support > +@cindex Support for Algol 68 > + > +Automake includes support for Algol 68, using GCC. > + > +Any package including Algol 68 code must define the output variable > +@code{A68} in @file{configure.ac}; the simplest way to do this is to use > +the @code{AC_PROG_A68} macro (@pxref{Particular Programs, , Particular > +Program Checks, autoconf, The Autoconf Manual}). > + > +A few additional variables are defined when a Fortran 77 source file is > +seen: > + > +@vtable @code > + > +@item A68 > +The name of the Algol 68 compiler. > + > +@item A68FLAGS > +Any flags to pass to the Algol 68 compiler. > + > +@item AM_A68FLAGS > +The maintainer's variant of @code{FFLAGS}. > + > +@item A68COMPILE > +The command used to compile an Algol 68 source file. The file name is > +appended to form the complete command line. > + > +@item A68LINK > +The command used to link a pure Algol 68 program or shared library. > +@end vtable > > @node Support for Other Languages > @comment node-name, next, previous, up > diff --git a/lib/Automake/Variable.pm b/lib/Automake/Variable.pm > index 6e90b81f2..7608de23d 100644 > --- a/lib/Automake/Variable.pm > +++ b/lib/Automake/Variable.pm > @@ -183,6 +183,8 @@ my %_ac_macro_for_var = > CXX => 'AC_PROG_CXX', > CXXFLAGS => 'AC_PROG_CXX', > F77 => 'AC_PROG_F77', > + A68 => 'AC_PROG_A68', > + A68FLAGS => 'AC_PROG_A68', > FFLAGS => 'AC_PROG_F77', > FC => 'AC_PROG_FC', > FCFLAGS => 'AC_PROG_FC', > diff --git a/t/a68-demo.sh b/t/a68-demo.sh > new file mode 100644 > index 000000000..c2966d4ea > --- /dev/null > +++ b/t/a68-demo.sh > @@ -0,0 +1,87 @@ > +#! /bin/sh > +# Copyright (C) 2012-2025 Free Software Foundation, Inc. > +# > +# This program is free software; you can redistribute it and/or modify > +# it under the terms of the GNU General Public License as published by > +# the Free Software Foundation; either version 2, or (at your option) > +# any later version. > +# > +# This program is distributed in the hope that it will be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > +# GNU General Public License for more details. > +# > +# You should have received a copy of the GNU General Public License > +# along with this program. If not, see <https://www.gnu.org/licenses/>. > + > +# Demo on Algol 68 support. > + > +required=ga68 > +am_create_testdir=empty > +. test-init.sh > + > +cat > configure.ac << 'END' > +AC_INIT([GNU Algol 68 Demo], [1.0], [bug-autom...@gnu.org]) > +AC_CONFIG_SRCDIR([play.a68]) > +AC_CONFIG_AUX_DIR([build-aux]) > +AM_INIT_AUTOMAKE > +AC_PROG_A68 > +AC_CONFIG_FILES([Makefile]) > +AC_OUTPUT > +END > + > +cat > Makefile.am << 'END' > +AUTOMAKE_OPTIONS = subdir-objects > + > +bin_PROGRAMS = work play > +play_SOURCES = play.a68 > +work_SOURCES = work.a68 > + > +.PHONY: test-objs > +check-local: test-objs > +test-objs: > + test -f play.$(OBJEXT) > + test -f work.$(OBJEXT) > +END > + > +mkdir sub build-aux > + > +$ACLOCAL > +$AUTOCONF > +$AUTOMAKE --add-missing > + > +cat > work.a68 << 'END' > +PROGRAM (puts ("We are working :-(\n"); 0) > +END > + > +cat > play.a68 << 'END' > +PROGRAM (puts ("We are playing :-)\n"); 0) > +END > + > +./configure > +$MAKE > +$MAKE test-objs > + > +if ! cross_compiling; then > + unindent > exp.play << 'END' > + We are playing :-) > +END > + unindent > exp.work << 'END' > + We are working :-( > +END > + for p in play work; do > + # The program must run correctly (exit status = 0). > + ./$p > + # And it must have the expected output. Note that we strip extra > + # CR characters (if any), to cater to MinGW programs on MSYS. > + # See automake bug#14493. > + ./$p | tr -d '\015' > got.$p || { cat got.$p; exit 1; } > + cat exp.$p > + cat got.$p > + diff exp.$p got.$p > + done > +fi > + > +$MAKE distcheck > + > +:
