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-rwxr-xr-xregress/regress.pl14
1 files changed, 9 insertions, 5 deletions
diff --git a/regress/regress.pl b/regress/regress.pl
index 756ae673..7684e092 100755
--- a/regress/regress.pl
+++ b/regress/regress.pl
@@ -24,6 +24,10 @@ use strict;
# nor for piping it into the Perl program.
use IPC::Open3 qw(open3);
+# Define this at one place such that it can easily be changed
+# if diff(1) does not support the -a option.
+my @diff = qw(diff -au);
+
# --- utility functions ------------------------------------------------
sub usage ($) {
@@ -227,7 +231,7 @@ for my $testname (@regress_testnames) {
print "@mandoc -T ascii $i\n" if $targets{verbose};
sysout $o, @mandoc, qw(-T ascii), $i
and fail $subdir, $testname, 'ascii:mandoc';
- system qw(diff -au), $w, $o
+ system @diff, $w, $o
and fail $subdir, $testname, 'ascii:diff';
}
my $m = "$subdir/$testname.in_man";
@@ -241,7 +245,7 @@ for my $testname (@regress_testnames) {
print "@mandoc -man -T ascii $m\n" if $targets{verbose};
sysout $mo, @mandoc, qw(-man -T ascii -O mdoc), $m
and fail $subdir, $testname, 'man:mandoc';
- system qw(diff -au), $w, $mo
+ system @diff, $w, $mo
and fail $subdir, $testname, 'man:diff';
}
if ($targets{clean}) {
@@ -266,7 +270,7 @@ for my $testname (@utf8_testnames) {
print "@mandoc -T utf8 $i\n" if $targets{verbose};
sysout $o, @mandoc, qw(-T utf8), $i
and fail $subdir, $testname, 'utf8:mandoc';
- system qw(diff -au), $w, $o
+ system @diff, $w, $o
and fail $subdir, $testname, 'utf8:diff';
}
if ($targets{clean}) {
@@ -287,7 +291,7 @@ for my $testname (@html_testnames) {
print "@mandoc -T html $i\n" if $targets{verbose};
syshtml $o, @mandoc, qw(-T html), $i
and fail $subdir, $testname, 'html:mandoc';
- system qw(diff -au), $w, $o
+ system @diff, $w, $o
and fail $subdir, $testname, 'html:diff';
}
if ($targets{clean}) {
@@ -308,7 +312,7 @@ for my $testname (@lint_testnames) {
print "@mandoc -T lint $i\n" if $targets{verbose};
syslint $o, @mandoc, qw(-T lint), $i
and fail $subdir, $testname, 'lint:mandoc';
- system qw(diff -au), $w, $o
+ system @diff, $w, $o
and fail $subdir, $testname, 'lint:diff';
}
if ($targets{clean}) {