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author | Bruno Haible <bruno@clisp.org> | 2019-04-14 03:31:10 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2019-04-14 03:31:48 +0200 |
commit | d617a4bb9b2373961e2e605b78bd3dac346494be (patch) | |
tree | a42922c48209abf80d7d73c3054fdf6f0f27cd3c | |
parent | fec2be3cac3ff68b1feba11a56c58840ee5cdd15 (diff) | |
download | gnulib-d617a4bb9b2373961e2e605b78bd3dac346494be.tar.gz |
x-to-1: Restore ability to use original calling convention.
* build-aux/x-to-1.in: Add comments. Accept the original form of
HELP2MAN argument as well as the form expected since 2012-12-12.
-rw-r--r-- | ChangeLog | 6 | ||||
-rw-r--r-- | build-aux/x-to-1.in | 33 |
2 files changed, 33 insertions, 6 deletions
@@ -1,5 +1,11 @@ 2019-04-13 Bruno Haible <bruno@clisp.org> + x-to-1: Restore ability to use original calling convention. + * build-aux/x-to-1.in: Add comments. Accept the original form of + HELP2MAN argument as well as the form expected since 2012-12-12. + +2019-04-13 Bruno Haible <bruno@clisp.org> + x-to-1: Avoid failure due to missing perl modules. * build-aux/x-to-1.in: Test whether all the perl modules that help2man needs are installed. diff --git a/build-aux/x-to-1.in b/build-aux/x-to-1.in index b31175f904..a87dfc1dc9 100644 --- a/build-aux/x-to-1.in +++ b/build-aux/x-to-1.in @@ -18,9 +18,24 @@ # This program creates a program's manual from the .x skeleton and its --help # output. -# The .x skeleton is a file containing manual page text that is not part of the -# --help output. It is passed to help2man via its --include option. Its format -# is described in the help2man documentation. +# +# Usage: x-to-1 [OPTIONS] PERL HELP2MAN EXECUTABLE PROGRAM.x PROGRAM.1 +# where +# +# PERL The file name of the perl program. +# HELP2MAN Either the file name of the help2man perl script, or a complete +# command such as "$PERL -w -- help2man". +# EXECUTABLE The file name of the program to invoke with --help. +# PROGRAM The name of the program. +# PROGRAM.x The .x skeleton is a file containing manual page text that is +# not part of the --help output. It is passed to help2man via +# its --include option. Its format is described in the help2man +# documentation. +# PROGRAM.1 The output file, a manual page in mandoc format. +# +# Options: +# --update Don't overwrite the output if nothing would change. + update= while true; do @@ -40,6 +55,12 @@ executable="$3" aux="$4" output="$5" +# Accommodate both possible forms of the HELP2MAN argument. +case "$HELP2MAN" in + "$PERL "*) ;; + *) HELP2MAN="$PERL $HELP2MAN" ;; +esac + progname=`basename $aux .x` # configure determined whether perl exists. case "$PERL" in @@ -48,7 +69,7 @@ case "$PERL" in ;; *) # Determine whether all the perl modules that help2man needs are installed. - if $PERL $HELP2MAN --help >/dev/null 2>/dev/null; then + if $HELP2MAN --help >/dev/null 2>/dev/null; then perlok=yes else perlok=no @@ -57,9 +78,9 @@ case "$PERL" in esac if test @CROSS_COMPILING@ = no && test -f $executable && test $perlok = yes; then echo "Updating man page $output" - echo "$PERL $HELP2MAN --include=$aux $executable > $output" + echo "$HELP2MAN --include=$aux $executable > $output" rm -f t-$progname.1 - $PERL $HELP2MAN --include=$aux $executable > t-$progname.1 || exit 1 + $HELP2MAN --include=$aux $executable > t-$progname.1 || exit 1 if test -n "$update"; then # In --update mode, don't overwrite the output if nothing would change. if cmp t-$progname.1 $output >/dev/null 2>&1; then |