On Tue, Oct 15, 2024 at 1:10 AM James K. Lowden
<jklow...@schemamania.org> wrote:
>
> Consequent to advice, I'm preparing the Cobol front-end patches as a
> small number of hopefully meaningful patches covering many files.
>
> 1. meta files used by autotools etc.
> 2. gcc/cobol/*.h
> 3. gcc/cobol/*.{y,l,cc}
> 4. libgcobol
> 5. documentation
> 6. tests
>
> The patch below is step #1. It comprises all the "meta files" needed
> for the Cobol front end, including every existing file that we modified.
>
> 1. It does not interfere with --languages=c,c++, etc
> 2. It does not work with --languages=cobol because the source files
> are missing.
>
> If this looks OK, I'll continue on the same path. I can have the next
> set ready tomorrow afternoon.
>
> The next message would be a set of 3 patches, steps 2-4 above. That
> will build with --languages=cobol, but not install or test. Test &
> documentation files would comprise the remaining patches.
>
> In testing the patch with "git am", I got a warning about a blank line
> at EOF, but I couldn't figure out where it was, or if it mattered.
>
> --jkl
>
> From 06a93d00f4433fb61ff9611c6e945a3a11c89479bld.patch 4 Oct 2024 12:01:22
> -0400
> From: "James K. Lowden" <jklow...@symas.com>
> Date: Mon 14 Oct 2024 03:25:23 PM EDT
> Subject: [PATCH] Add 'cobol' to 9 files
>
> * Makefile.def: Add libgcobol module and cobol language.
> * configure: Add libgcobol module and cobol language.
This would say
* configure: Regenerated.
> * configure.ac: Add libgcobol module and cobol language.
> * gcc/cobol/LICENSE: Add gcc/cobol/LICENSE
> * gcc/cobol/Make-lang.in: Add libgcobol module and cobol language.
> * gcc/cobol/config-lang.in: Add libgcobol module and cobol language.
> * gcc/cobol/lang.opt: Add libgcobol module and cobol language.
> * gcc/common.opt: Add libgcobol module and cobol language.
>
> ---
> Makefile.def | ++++++-
> configure | +-
> configure.ac | +-
> gcc/cobol/LICENSE | +++++++++++++++++++++++++++++-
> gcc/cobol/Make-lang.in |
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> gcc/cobol/config-lang.in | ++++++++++++++++++-
> gcc/cobol/lang.opt |
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> gcc/common.opt | ++++++++
> 8 files changed, 439 insertions(+), 8 deletions(-)
> diff --git a/Makefile.def b/Makefile.def
> index 19954e7d731..1192e852c7a 100644
> --- a/Makefile.def
> +++ b/Makefile.def
> @@ -209,6 +209,7 @@ target_modules = { module= libgomp; bootstrap= true;
> lib_path=.libs; };
> target_modules = { module= libitm; lib_path=.libs; };
> target_modules = { module= libatomic; bootstrap=true; lib_path=.libs; };
> target_modules = { module= libgrust; };
> +target_modules = { module= libgcobol; };
>
> // These are (some of) the make targets to be done in each subdirectory.
> // Not all; these are the ones which don't have special options.
> @@ -324,6 +325,7 @@ flags_to_pass = { flag= CXXFLAGS_FOR_TARGET ; };
> flags_to_pass = { flag= DLLTOOL_FOR_TARGET ; };
> flags_to_pass = { flag= DSYMUTIL_FOR_TARGET ; };
> flags_to_pass = { flag= FLAGS_FOR_TARGET ; };
> +flags_to_pass = { flag= GCOBOL_FOR_TARGET ; };
> flags_to_pass = { flag= GFORTRAN_FOR_TARGET ; };
> flags_to_pass = { flag= GOC_FOR_TARGET ; };
> flags_to_pass = { flag= GOCFLAGS_FOR_TARGET ; };
> @@ -655,6 +657,7 @@ lang_env_dependencies = { module=libgcc; no_gcc=true;
> no_c=true; };
> // built newlib on some targets (e.g. Cygwin). It still needs
> // a dependency on libgcc for native targets to configure.
> lang_env_dependencies = { module=libiberty; no_c=true; };
> +lang_env_dependencies = { module=libgcobol; cxx=true; };
>
> dependencies = { module=configure-target-fastjar; on=configure-target-zlib;
> };
> dependencies = { module=all-target-fastjar; on=all-target-zlib; };
> @@ -690,6 +693,7 @@ dependencies = { module=install-target-libvtv;
> on=install-target-libgcc; };
> dependencies = { module=install-target-libitm; on=install-target-libgcc; };
> dependencies = { module=install-target-libobjc; on=install-target-libgcc; };
> dependencies = { module=install-target-libstdc++-v3;
> on=install-target-libgcc; };
> +dependencies = { module=install-target-libgcobol;
> on=install-target-libstdc++-v3; };
>
> // Target modules in the 'src' repository.
> lang_env_dependencies = { module=libtermcap; };
> @@ -727,6 +731,8 @@ languages = { language=d; gcc-check-target=check-d;
> lib-check-target=check-target-libphobos; };
> languages = { language=jit; gcc-check-target=check-jit; };
> languages = { language=rust; gcc-check-target=check-rust; };
> +languages = { language=cobol; gcc-check-target=check-cobol;
> + lib-check-target=check-target-libgcobol; };
>
> // Toplevel bootstrap
> bootstrap_stage = { id=1 ; };
> diff --git a/configure b/configure
> index 51bf1d1add1..a64b884be6d 100755
> --- a/configure
> +++ b/configure
> @@ -2859,6 +2859,7 @@ target_libraries="target-libgcc \
> target-libgfortran \
> target-libffi \
> target-libobjc \
> + target-libgcobol \
> target-libada \
> target-libgm2 \
> target-libgo \
> diff --git a/configure.ac b/configure.ac
> index 20457005e29..7ae3b5128ae 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -161,6 +161,7 @@ target_libraries="target-libgcc \
> target-libgfortran \
> target-libffi \
> target-libobjc \
> + target-libgcobol \
> target-libada \
> target-libgm2 \
> target-libgo \
> diff --git a/gcc/cobol/LICENSE b/gcc/cobol/LICENSE
> new file mode 100644
> index 00000000000..6cb64d44790
> --- /dev/null
> +++ b/gcc/cobol/LICENSE
> @@ -0,0 +1,29 @@
> +#########################################################################
> +#
> +# Copyright (c) 2019-2022 Symas Corporation
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions are
> +# met:
> +#
> +# * Redistributions of source code must retain the above copyright
> +# notice, this list of conditions and the following disclaimer.
> +# * Redistributions in binary form must reproduce the above
> +# copyright notice, this list of conditions and the following disclaimer
> +# in the documentation and/or other materials provided with the
> +# distribution.
> +# * Neither the name of the Symas Corporation nor the names of its
> +# contributors may be used to endorse or promote products derived from
> +# this software without specific prior written permission.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> diff --git a/gcc/cobol/Make-lang.in b/gcc/cobol/Make-lang.in
> new file mode 100644
> index 00000000000..6a57585a729
> --- /dev/null
> +++ b/gcc/cobol/Make-lang.in
> @@ -0,0 +1,232 @@
> +# Top level -*- makefile -*- fragment for Cobol
> +# Copyright (C) 2016 Free Software Foundation, Inc.
> +
> +# This file is part of GCC.
> +
> +# GCC 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 3, or (at your option)
> +# any later version.
> +
> +# GCC 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 GCC; see the file COPYING3. If not see
> +# <http://www.gnu.org/licenses/>.
> +
> +# This file provides the language dependent support in the main Makefile.
> +# Each language makefile fragment must provide the following targets:
> +#
> +# foo.all.cross, foo.start.encap, foo.rest.encap,
> +# foo.install-common, foo.install-man, foo.install-info, foo.install-pdf,
> +# foo.install-html, foo.info, foo.dvi, foo.pdf, foo.html, foo.uninstall,
> +# foo.mostlyclean, foo.clean, foo.distclean,
> +# foo.maintainer-clean, foo.stage1, foo.stage2, foo.stage3, foo.stage4
> +#
> +# where `foo' is the name of the language.
> +#
> +# It should also provide rules for:
> +#
> +# - making any compiler driver (eg: g++)
> +# - the compiler proper (eg: cc1plus)
> +# - define the names for selecting the language in LANGUAGES.
> +
> +ifeq ("$(USER)","bob")
> + MAX_ERRORS := -fmax-errors=1
> +endif
> +
> +gcobol_INSTALL_NAME := $(shell echo gcobol|sed '$(program_transform_name)')
> +gcobol_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo gcobol|sed
> '$(program_transform_name)')
> +
> +cobol: cobol1$(exeext)
> +
> +.PHONY: cobol
> +
> +BINCLUDE ?= ./gcc
> +
> +#
> +# At this point, as of 2022-10-21, CPPFLAGS is an empty string and can be
> +# altered. CFLAGS and CXXFLAGS are being established upstream, and thus
> +# cannot, at this point, be changed.
> +#
> +
> +CPPFLAGS = \
> + -std=c++17 \
> + $(MAX_ERRORS) \
> + -Iinclude \
> + -I$(BINCLUDE) \
> + -Wno-cpp \
> + -Wno-missing-field-initializers \
> + -DEXEC_LIB=\"$(DESTDIR)$(libdir)\"
> + $(END)
> +
> +YACC = bison
> +YFLAGS = -Werror -Wmidrule-values -Wno-yacc \
> + --debug --token-table --verbose
> +
> +LEX = flex
> +LFLAGS = -d -Ca
> +
> +#
> +# These are the object files for creating the cobol1.exe compiler:
> +#
> +
> +cobol_one_OBJS = \
> + cobol/cdf.o \
> + cobol/cdf-copy.o \
> + cobol/cobol1.o \
> + cobol/convert.o \
> + cobol/except.o \
> + cobol/genutil.o \
> + cobol/genapi.o \
> + cobol/genmath.o \
> + cobol/gengen.o \
> + cobol/lexio.o \
> + cobol/parse.o \
> + cobol/scan.o \
> + cobol/structs.o \
> + cobol/symbols.o \
> + cobol/symfind.o \
> + cobol/util.o \
> + cobol/valconv.o \
> + cobol/charmaps.o \
> + $(END)
> +
> +# cobol/charutf8.o \
> +
> +#
> +# These are the object files for creating the gcobol.exe "driver"
> +#
> +GCOBOL_D_OBJS = $(GCC_OBJS) cobol/gcobolspec.o
> +
> +#
> +# These get combined to provide a dependency relationship that ensures all
> +# of the "generated-files" are generated before we need them. See the root
> +# Makefile.in code that looks like this:
> +# ALL_HOST_FRONTEND_OBJS = $(foreach
> v,$(CONFIG_LANGUAGES),$($(v)_OBJS))
> +#
> +
> +cobol_OBJS = \
> + $(cobol_one_OBJS) \
> + cobol/gcobolspec.o \
> + $(END)
> +
> +#
> +# Frankly, I can't figure out what this does:
> +#
> +
> +CFLAGS-cobol/gcobolspec.o += $(DRIVER_DEFINES)
> +
> +#
> +# This controls the build of the gcobol.exe "driver"
> +#
> +
> +gcobol$(exeext): \
> + $(GCOBOL_D_OBJS) \
> + $(EXTRA_GCC_OBJS) \
> + libcommon-target.a \
> + $(LIBDEPS)
> + +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
> + $(GCOBOL_D_OBJS) $(EXTRA_GCC_OBJS) libcommon-target.a \
> + $(EXTRA_GCC_LIBS) $(LIBS)
> +
> +#
> +# These control the build of the cobol1.exe source-to-GENERIC converter
> +#
> +
> +# First, files needed for parsing:
Note there's --enable-generated-files-in-srcdir specifically to remove
yacc and flex
build requirements for the release tarballs - can you check whether
with this configure
flag those files are generated in the source directory and thus picked
up when building
the release tarball?
> +cobol/parse.c: cobol/parse.y cobol/genapi.h cobol/parse_ante.h
> + $(YACC) -o $@ $(YFLAGS) \
> + --defines=cobol/parse.h \
> + --report-file=cobol/parser.out $<
> +
> +cobol/cdf.c: cobol/cdf.y cobol/genapi.h
> + $(YACC) -o $@ $(YFLAGS) \
> + --defines=cobol/cdf.h --report-file=cobol/cdf.out $<
> +
> +cobol/scan.c: cobol/scan.l cobol/scan_ante.h cobol/scan_post.h
> + $(LEX) -o$@ $(LFLAGS) $<
> +
> +cobol/scan.o: cobol/parse.c # cobol/parse.h # parse.h gets built along with
> parse.c
> +
> +# And the cobol1.exe front end
> +
> +cobol1$(exeext): $(cobol_one_OBJS) $(BACKEND) $(LIBDEPS) attribs.o
> + +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) attribs.o -o $@ \
> + $(cobol_one_OBJS) $(BACKEND) $(LIBS) $(BACKENDLIBS)
> +
> +## Other dependencies
> +# mkdep cobol/*.cc; grep -E '^[[:alnum:]_][.]o|cobol/' .depend |
> +# awk '{gsub(/[/]usr[^ \n]+ ?/, ""); gsub(/cobol[^ ]+[.]cc/, ""); } 1' \
> +# > /tmp/depends && rm .depend
> +
> +cdf-copy.o: cobol/copybook.h
> +symbols.o: cobol/genapi.h cobol/symbols.h cobol/inspect.h cobol/io.h
> +
> +# FIXME
> +cobol.all.cross:
> +
> +cobol.start.encap: gcobol$(exeext)
> +
> +cobol.rest.encap:
> +
> +cobol.install-common: installdirs
> + $(INSTALL_PROGRAM) -v gcobol$(exeext) \
> + $(DESTDIR)$(bindir)/$(gcobol_INSTALL_NAME)$(exeext)
> + $(INSTALL_PROGRAM) -v $(srcdir)/cobol/gcobc $(DESTDIR)$(bindir)/
> + $(INSTALL_DATA) -v $(srcdir)/cobol/udf/* $(udfdir)/
> +
> +cobol.install-man: installdirs
> + $(INSTALL_DATA) -v $(srcdir)/cobol/gcobol.1 $(DESTDIR)$(man1dir)/
> + $(INSTALL_DATA) -v $(srcdir)/cobol/gcobol.3 $(DESTDIR)$(man3dir)/
> +
> +cobol.install-info:
> +
> +cobol.install-pdf:
> +
> +cobol.install-plugin:
> +
> +cobol.install-html:
> +
> +cobol.info:
> +
> +cobol.dvi:
> +
> +cobol.pdf:
> +
> +cobol.html:
> +
> +cobol.uninstall:
> + -rm -f gcobol$(exeext) cobol1$(exeext)
> + -rm -f $(cobol_OBJS)
> +
> +cobol.man:
> +
> +cobol.mostlyclean:
> +
> +cobol.clean:
> + rm -fr cobol1 cobol/* ../*/libgcobol/*
> +
> +cobol.distclean:
> +
> +cobol.maintainer-clean:
> +
> +# The main makefile has already created stage?/cobol.
> +cobol.stage1: stage1-start
> + -mv cobol/*$(objext) stage1/cobol
> +cobol.stage2: stage2-start
> + -mv cobol/*$(objext) stage2/cobol
> +cobol.stage3: stage3-start
> + -mv cobol/*$(objext) stage3/cobol
> +cobol.stage4: stage4-start
> + -mv cobol/*$(objext) stage4/cobol
> +cobol.stageprofile: stageprofile-start
> + -mv cobol/*$(objext) stageprofile/cobol
> +cobol.stagefeedback: stagefeedback-start
> + -mv cobol/*$(objext) stagefeedback/cobol
> +
> +selftest-cobol:
> diff --git a/gcc/cobol/config-lang.in b/gcc/cobol/config-lang.in
> new file mode 100644
> index 00000000000..4098105135f
> --- /dev/null
> +++ b/gcc/cobol/config-lang.in
> @@ -0,0 +1,18 @@
> +language="cobol"
> +
> +compilers="cobol1\$(exeext)"
> +
> +target_libs="libgcobol.a"
> +
> +# Files that should be scanned by gengtype.c to generate the garbage
> +# collection tables. Not obviously needed.
> +
> +gtfiles="\$(srcdir)/cobol/cobol1.cc"
> +
> +# We might write (some of) the cobol FE in C++
> +#### lang_requires_boot_languages=c++
> +
> +# Do not build by default
> +build_by_default="no"
> +
> +
> diff --git a/gcc/cobol/lang.opt b/gcc/cobol/lang.opt
> new file mode 100644
> index 00000000000..3917bdb3182
> --- /dev/null
> +++ b/gcc/cobol/lang.opt
> @@ -0,0 +1,144 @@
> +; lang.opt -- Options for the gcc Cobol front end.
> +
> +; Copyright (C) 2009-2020 Free Software Foundation, Inc.
> +;
> +; This file is part of GCC.
> +;
> +; GCC 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 3, or (at your option) any later
> +; version.
> +;
> +; GCC 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 GCC; see the file COPYING3. If not see
> +; <http://www.gnu.org/licenses/>.
> +
> +; See the GCC internals manual for a description of this file's format.
> +
> +; Please try to keep this file in ASCII collating order.
> +
> +Language
> +Cobol
> +
> +D
> +Cobol Joined Separate
> +; Documented in c.opt
> +
> +E
> +Cobol
> +; Documented in c.opt
> +
> +I
> +Cobol Joined Separate
> +;; -I <dir> Add copybook search directory
> +; Documented in c.opt
> +
> +dialect
> +Cobol Joined Separate Enum(dialect_type) EnumBitSet Var(cobol_dialect)
> +Accept COBOL constructs used by non-ISO compilers
> +
> +Enum
> +Name(dialect_type) Type(int) UnknownError(Unrecognized COBOL dialect name:
> %qs)
> +
> +EnumValue
> +Enum(dialect_type) String(gcc) Value(0x04) Canonical
> +
> +EnumValue
> +Enum(dialect_type) String(ibm) Value(0x01)
> +
> +EnumValue
> +Enum(dialect_type) String(mf) Value(0x02)
> +
> +EnumValue
> +Enum(dialect_type) String(gnu) Value(0x04)
> +
> +fcobol-exceptions
> +Cobol Joined Separate Var(cobol_exceptions)
> +-fcobol-exceptions=<n> Enable some exceptions by default
> +
> +copyext
> +Cobol Joined Separate Var(cobol_copyext) Init(0)
> +Define alternative implicit copybook filename extension
> +
> +fdefaultbyte
> +Cobol RejectNegative Joined Separate UInteger Var(cobol_default_byte)
> +Set Working-Storage data items to the supplied value
> +
> +fflex-debug
> +Cobol Var(yy_flex_debug, 1) Init(0)
> +Enable Cobol lex debugging
> +
> +ffixed-form
> +Cobol RejectNegative
> +Assume that the source file is fixed form.
> +
> +fsyntax-only
> +Cobol RejectNegative
> +; Documented in c.opt
> +
> +ffree-form
> +Cobol RejectNegative
> +Assume that the source file is free form.
> +
> +findicator-column
> +Cobol RejectNegative Joined Separate UInteger Var(indicator_column) Init(0)
> IntegerRange(0, 8)
> +-findicator-column=<n> Column after which Region A begins
> +
> +finternal-ebcdic
> +Cobol Var(cobol_ebcdic, 1) Init(0)
> +-finternal-ebcdic Internal processing is in EBCDIC Code Page 1140
> +
> +fmax-errors
> +Cobol Joined Separate
> +; Documented in C
> +
> +fstatic-call
> +Cobol Var(cobol_static_call, 1) Init(1)
> +Enable/disable static linkage for CALL literals
> +
> +ftrace-debug
> +Cobol Var(cobol_trace_debug, 1) Init(0)
> +Enable Cobol parser debugging
> +
> +fyacc-debug
> +Cobol Var(yy_debug, 1) Init(0)
> +Enable Cobol yacc debugging
> +
> +preprocess
> +Cobol Joined Separate Var(cobol_preprocess)
> +preprocess <source_filter> before compiling
> +
> +iprefix
> +Cobol Joined Separate
> +; Documented in C
> +
> +include
> +Cobol Joined Separate Var(cobol_include)
> +; Documented in C
> +
> +isysroot
> +Cobol Joined Separate
> +; Documented in C
> +
> +isystem
> +Cobol Joined Separate
> +; Documented in C
> +
> +main
> +Cobol
> +-main The first program-id in the next source file is called by a generated
> main() entry point
> +
> +main=
> +Cobol Joined Var(cobol_main_string)
> +-main=<source_file> source_file/PROGRAM-ID is called by the generated main()
> +
> +nomain
> +Cobol
> +-nomain No main() function is created from COBOL source files
> +
> +; This comment is to ensure we retain the blank line above.
> diff --git a/gcc/common.opt b/gcc/common.opt
> index ea39f87ae71..bb941d76a05 100644
> --- a/gcc/common.opt
> +++ b/gcc/common.opt
> @@ -1602,6 +1602,10 @@ fdump-passes
> Common Var(flag_dump_passes) Init(0)
> Dump optimization passes.
>
> +fdump-generic-nodes
> +Common Var(flag_dump_generic_nodes) Init(0)
> +Dump GENERIC trees for each function in three files: <funcname>.nodes,
> <funcname>.nodes.html, and <funcname>.nodes.html
> +
This is not supposed to be merged.
The rest of the changes look OK to me.
I'm not sure whether the Steering Committee received or approved a
formal request to accept
a new Cobol language Frontend.
Ian? Jeff?
Thanks,
Richard.
> fdump-unnumbered
> Common Var(flag_dump_unnumbered)
> Suppress output of instruction numbers, line number notes and addresses in
> debugging dumps.
> @@ -3829,6 +3833,10 @@ static-libgfortran
> Driver
> ; Documented for Fortran, but always accepted by driver.
>
> +static-libgcobol
> +Driver
> +; Documented for COBOL, but always accepted by driver.
> +
> static-libgm2
> Driver
> ; Documented for Modula-2, but always accepted by driver.
