[libvirt] [PATCH 2/6] build-aux: header-ifdef: Handle #pragma once
If we see if, skip all remaining header guard checks
Signed-off-by: Cole Robinson <crobinso(a)redhat.com>
---
build-aux/header-ifdef.pl | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/build-aux/header-ifdef.pl b/build-aux/header-ifdef.pl
index 297696eb70..401f25fb81 100644
--- a/build-aux/header-ifdef.pl
+++ b/build-aux/header-ifdef.pl
@@ -32,6 +32,7 @@ my $STATE_GUARD_START = 6;
my $STATE_GUARD_DEFINE = 7;
my $STATE_GUARD_END = 8;
my $STATE_EOF = 9;
+my $STATE_PRAGMA = 10;
my $file = " ";
my $ret = 0;
@@ -132,6 +133,8 @@ while (<>) {
} elsif ($state == $STATE_GUARD_START) {
if (/^$/) {
&mistake("$file: too many blank lines after copyright
header");
+ } elsif(/#pragma once/) {
+ $state = $STATE_PRAGMA;
} elsif (/#ifndef $ifdef$/) {
$state = $STATE_GUARD_DEFINE;
} else {
@@ -147,6 +150,8 @@ while (<>) {
if (m,#endif /\* $ifdef \*/$,) {
$state = $STATE_EOF;
}
+ } elsif ($state == $STATE_PRAGMA) {
+ next;
} elsif ($state == $STATE_EOF) {
die "$file: unexpected content after '#endif /* $ifdef */'";
} else {
--
2.21.0