build: Update script help and usage.
* doc/mes.texi (Invoking mesar): New section. * mes/module/mes/boot-0.scm: Add one line help description. * module/mescc.scm (parse-opts): Likewise. * scripts/diff.scm (main): Add -h,--help, -v,--version. * scripts/mesar.in: Likewise.
This commit is contained in:
Jan Nieuwenhuizen
parent
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33
doc/mes.texi
33
doc/mes.texi
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@ -85,6 +85,7 @@ Bootstrapping
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* The Mes Bootstrap Process:: How Mes will make you yogurt from pure milk.
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* Invoking Mes:: Running Mes, a minimalist Guile lookalike.
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* Invoking MesCC:: Running the MesCC bootstrap compiler.
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* Invoking mesar::
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Invoking Mes
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@ -98,6 +99,7 @@ Contributing
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* Building from Git:: The latest and greatest.
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* Running Mes From the Source Tree:: Hacker tricks.
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* Porting GNU Mes:: Teach Mes about your platform.
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* The Perfect Setup:: The right tools.
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* Coding Style:: Hygiene of the contributor.
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* Submitting Patches:: Share your work.
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@ -585,6 +587,7 @@ responsibility.
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* The Mes Bootstrap Process:: How Mes will make you yogurt from pure milk.
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* Invoking Mes:: Running Mes, a minimalist Guile lookalike.
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* Invoking MesCC:: Running the MesCC bootstrap compiler.
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* Invoking mesar::
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@end menu
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@node The Mes Bootstrap Process
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@ -874,7 +877,7 @@ preprocess and compile only; do not assemble or link
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@item --std=STANDARD
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assume that the input sources are for STANDARD
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@item -v, --version
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@item -V,--version
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display version and exit
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@item -w,--write=TYPE
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@ -918,6 +921,34 @@ during the parsing phase.
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@end table
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@node Invoking mesar
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@section Invoking mesar
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@example
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mesar @var{option}@dots{} @var{command} @file{ARCHIVE-FILE} @file{FILE}@dots{}
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@end example
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The @var{command} is ignored for compatibility with @file{ar}
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@example
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r[ab][f][u] - replace existing or insert new file(s) into the archive
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[c] - do not warn if the library had to be created
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[D] - use zero for timestamps and uids/gids (default)
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@end example
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and assumed to be @var{crD}.
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The @var{option}s can be among the following:
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@table @code
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@item -h, --help
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display this help and exit
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@item -V,--version
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display version and exit
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@end table
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@c *********************************************************************
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@node Contributing
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@ -213,6 +213,7 @@
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(load-path (single-char #\L) (value #t))
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(main (single-char #\e) (value #t))
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(source (single-char #\s) (value #t))
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(version (single-char #\v))
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(version (single-char #\V)))))
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(getopt-long args option-spec #:stop-at-first-non-option #t)))
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(define (source-arg? o)
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@ -234,8 +235,9 @@
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(exit 0))
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(and (or help? usage?)
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(display "Usage: mes [OPTION]... [FILE]...
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Evaluate code with Mes, interactively or from a script.
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Scheme interpreter for bootstrapping the GNU system.
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Options:
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[-s] FILE load source code from FILE, and exit
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-c EXPR evalute expression EXPR, and exit
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-- stop scanning arguments; run interactively
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@ -92,6 +92,9 @@
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(and (or help? usage?)
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(format (or (and usage? (current-error-port)) (current-output-port)) "\
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Usage: mescc [OPTION]... FILE...
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C99 compiler in Scheme for bootstrapping the GNU system.
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Options:
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--align align globals
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--arch=ARCH compile for ARCH [~a]
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-dumpmachine display the compiler's target machine
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@ -112,7 +115,7 @@ Usage: mescc [OPTION]... FILE...
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-O LEVEL use optimizing LEVEL
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-S preprocess and compile only; do not assemble or link
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--std=STANDARD assume that the input sources are for STANDARD
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-v, --version display version and exit
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-V,--version display version and exit
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-w,--write=TYPE dump Nyacc AST using TYPE {pretty-print,write}
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-x LANGUAGE specify LANGUAGE of the following input files
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@ -113,10 +113,28 @@ exec ${MES-mes} -L ${0%/*} -e '(diff)' -s "$0" "$@"
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(cdr a-lines) (cdr b-lines))))))))))
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(define (main args)
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(let* ((files (cdr args))
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(files (if (string-prefix? "-" (car files)) (cdr files) files))
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(hunks (apply diff-files (list-head files 2))))
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(when (pair? hunks)
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(display (string-join (append-map hunk->lines hunks) "\n"))
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(newline)
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(exit 1))))
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(let ((files (cdr args)))
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(when (or (null? files)
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(equal? (car files) "-h")
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(equal? (car files) "--help"))
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(display "
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Usage: diff.scm [OPTION]... FILES
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Compare FILES line by line.
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Options:
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-u,--unified display unified diff (default)
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-h,--help display this help and exit
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-V,--version display version information and exit
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")
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(exit (if (null? files) 2 0)))
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(when (or (equal? (car files) "-V")
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(equal? (car files) "--version"))
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(display "
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diff.scm (GNU Mes) 0.20
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"))
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(let* ((files (if (string-prefix? "-" (car files)) (cdr files) files))
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(hunks (apply diff-files (list-head files 2))))
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(when (pair? hunks)
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(display (string-join (append-map hunk->lines hunks) "\n"))
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(newline)
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(exit 1)))))
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@ -22,10 +22,56 @@ if [ "$V" = 2 ]; then
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set -x
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fi
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# parse arguments
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while [ $# -gt 0 ]; do
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case $1 in
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(-h|--help)
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cat <<EOF
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Usage: mesar [OPTION]... COMMAND ARCHIVE-FILE FILE...
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Archiver for MesCC.
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Commands:
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r[ab][f][u] - replace existing or insert new file(s) into the archive
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[c] - do not warn if the library had to be created
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[D] - use zero for timestamps and uids/gids (default)
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are ignored and assumed to be "crD".
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Options:
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-h,--help display this help and exit
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-V,--version display version information and exit
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EOF
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exit 0
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;;
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(-V|--version)
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cat <<EOF
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mesar (GNU Mes) @VERSION@
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EOF
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exit 0
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;;
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-*) shift
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;;
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*) break
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;;
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esac
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done
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command=$1
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archive=$2
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shift
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if [ -z "$command" ]; then
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echo "AR: Usage error: missing command." 1>&2
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exit 2
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fi
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archive=$1
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shift
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if [ -z "$archive" ]; then
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echo "AR: Usage error: missing archive" 1>&2
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exit 2
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fi
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if [ $# -eq 0 ]; then
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echo "AR: Usage error: missing object files" 1>&2
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exit 2
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fi
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M1_archive=$(dirname "$archive")/$(basename "$archive" .a).s
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for o in "$@"; do
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s=$(dirname "$o")/$(basename "$o" .o).s
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