From b6ccd032014cdf214e7c8c2b456ca921ba35d8f6 Mon Sep 17 00:00:00 2001
From: Guillem Jover <guillem@hadrons.org>
Date: Wed, 28 Feb 2024 04:44:02 +0100
Subject: [PATCH] build: Add a comment to libbsd-overlay.pc about -isystem
 usage

Add the reasoning for why we use -isystem instead of -I, to avoid
confusing unsuspecting readers of the file.

Prompted-by: Alejandro Colomar <alx@kernel.org>
---
 src/libbsd-overlay.pc.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libbsd-overlay.pc.in b/src/libbsd-overlay.pc.in
index 0455f22..7ef4e4d 100644
--- a/src/libbsd-overlay.pc.in
+++ b/src/libbsd-overlay.pc.in
@@ -9,4 +9,5 @@ Version: @VERSION@
 URL: https://libbsd.freedesktop.org/
 Libs: -L${libdir} -lbsd
 Libs.private: @LIBBSD_LIBS@ @MD5_LIBS@
+# We use -isystem instead of -I due the overlay via #include_next usage.
 Cflags: -isystem ${includedir}/bsd -DLIBBSD_OVERLAY