https://bugs.gentoo.org/716876
https://cgit.freedesktop.org/evtest/commit/?id=049396aab18849eef257af1116951a83416339e6

From: Mateusz Piotrowski <0mp@FreeBSD.org>
Date: Fri, 13 Nov 2020 13:41:41 +0100
Subject: Remove PATH_MAX

This makes evtest more portable.  We could try to use ifdefs to include
sys/syslimits.h on FreeBSD to get PATH_MAX but it feels to be an
overkill for evtest.  Let's keep it simple as just replace PATH_MAX with
4096.

NB: it's fine to leave linux/input.h there, because this header is
actually available on FreeBSD via the devel/evdev-proto port.
--- a/evtest.c
+++ b/evtest.c
@@ -888,7 +888,7 @@ static char* scan_devices(void)
 
 	for (i = 0; i < ndev; i++)
 	{
-		char fname[PATH_MAX];
+		char fname[4096];
 		int fd = -1;
 		char name[256] = "???";
 
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