From 6f6e7f065c8414c5dffa8b4a6b427062007035c3 Mon Sep 17 00:00:00 2001
From: Ian Rogers <irogers@google.com>
Date: Wed, 14 Jul 2021 18:33:37 -0700
Subject: [PATCH] perf doc: Fix perfman.info build
Before this change 'make perfman.info' fails as cat-texi.perl is
missing. It also fails as the makeinfo output isn't written into the
appropriate file. Add cat-texi.perl from git. Add missing output file
flag for makeinfo.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https //lore.kernel.org/r/20210715013343.2286699-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/Makefile | 2 +-
tools/perf/Documentation/cat-texi.perl | 46 ++++++++++++++++++++++++++
2 files changed, 47 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/Documentation/cat-texi.perl
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile
index 6e54979c2124e..859ec14967168 100644
--- a/tools/perf/Documentation/Makefile
+++ b/tools/perf/Documentation/Makefile
@@ -331,7 +331,7 @@ $(OUTPUT)perfman.texi: $(MAN_XML) cat-texi.perl
mv $@+ $@
$(OUTPUT)perfman.info: $(OUTPUT)perfman.texi
- $(QUIET_MAKEINFO)$(MAKEINFO) --no-split --no-validate $*.texi
+ $(QUIET_MAKEINFO)$(MAKEINFO) --no-split --no-validate -o $@ $*.texi
$(patsubst %.txt,%.texi,$(MAN_TXT)): %.texi : %.xml
$(QUIET_DB2TEXI)$(RM) $@+ $@ && \
diff --git a/tools/perf/Documentation/cat-texi.perl b/tools/perf/Documentation/cat-texi.perl
new file mode 100755
index 0000000000000..14d2f83415171
--- /dev/null
+++ b/tools/perf/Documentation/cat-texi.perl
@@ -0,0 +1,46 @@
+#!/usr/bin/perl -w
+
+use strict;
+use warnings;
+
+my @menu = ();
+my $output = $ARGV[0];
+
+open my $tmp, '>', "$output.tmp";
+
+while (<STDIN>) {
+ next if (/^\\input texinfo/../\@node Top/);
+ next if (/^\@bye/ || /^\.ft/);
+ if (s/^\@top (.*)/\@node $1,,,Top/) {
+ push @menu, $1;
+ }
+ s/\(\@pxref\{\[(URLS|REMOTES)\]}\)//;
+ s/\@anchor\{[^{}]*\}//g;
+ print $tmp $_;
+}
+close $tmp;
+
+print '\input texinfo
+@setfilename gitman.info
+@documentencoding UTF-8
+@dircategory Development
+@direntry
+* Git Man Pages: (gitman). Manual pages for Git revision control system
+@end direntry
+@node Top,,, (dir)
+@top Git Manual Pages
+@documentlanguage en
+@menu
+';
+
+for (@menu) {
+ print "* ${_}::\n";
+}
+print "\@end menu\n";
+open $tmp, '<', "$output.tmp";
+while (<$tmp>) {
+ print;
+}
+close $tmp;
+print "\@bye\n";
+unlink "$output.tmp";
--
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