The file the Documentation/ABI/testing/sysfs-class-power has
voltage_min, voltage_max and voltage_now symbols duplicated.
They are defined first for "General Properties" and then for
"USB Properties".
This cause those warnings:
get_abi.pl rest --dir $srctree/Documentation/ABI/testing:26933:
WARNING: Duplicate explicit target name:
"abi_sys_class_power_supply_supply_name_voltage_max".
get_abi.pl rest --dir $srctree/Documentation/ABI/testing:26968:
WARNING: Duplicate explicit target name:
"abi_sys_class_power_supply_supply_name_voltage_min".
get_abi.pl rest --dir $srctree/Documentation/ABI/testing:27008:
WARNING: Duplicate explicit target name:
"abi_sys_class_power_supply_supply_name_voltage_now".
And, as the references are not valid, it will also generate
warnings about links to undefined references.
Fix it by storing labels into a hash table and, when a duplicated
one is found, appending random characters at the end.
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>
---
scripts/get_abi.pl | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
index 116f0c33c16d..329ace635ac2 100755
--- a/scripts/get_abi.pl
+++ b/scripts/get_abi.pl
@@ -194,6 +194,8 @@ sub parse_abi {
# Outputs the book on ReST format
#
+my %labels;
+
sub output_rest {
foreach my $what (sort {
($data{$a}->{type} eq "File") cmp
($data{$b}->{type} eq "File") ||
@@ -217,6 +219,13 @@ sub output_rest {
$label =~ s,_+,_,g;
$label =~ s,_$,,;
+ # Avoid duplicated labels
+ while (defined($labels{$label})) {
+ my @chars = ("A".."Z", "a".."z");
+ $label .= $chars[rand @chars];
+ }
+ $labels{$label} = 1;
+
$data{$what}->{label} .= $label;
printf ".. _%s:\n\n", $label;
--
2.21.0
