From 1fca58118099a0f20dcdff9f2628d37acf775fbf Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Thu, 7 Jul 2022 22:45:19 -0400
Subject: [PATCH] bootloader & kernel: Build zlib with
 -Wno-error=missing-prototypes.

Will be needed for some newer zlib versions.
---
 src/system/boot/libs/Jamfile       | 2 ++
 src/system/kernel/lib/zlib/Jamfile | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/system/boot/libs/Jamfile b/src/system/boot/libs/Jamfile
index f35f3ceb8e..e9a26ea172 100644
--- a/src/system/boot/libs/Jamfile
+++ b/src/system/boot/libs/Jamfile
@@ -44,6 +44,8 @@ local libFDTSources =
 	fdt_overlay.c
 	;
 
+SubDirCcFlags -Wno-error=missing-prototypes ;
+
 local platform ;
 for platform in [ MultiBootSubDirSetup ] {
 	on $(platform) {
diff --git a/src/system/kernel/lib/zlib/Jamfile b/src/system/kernel/lib/zlib/Jamfile
index 237477f451..6cf33f7d17 100644
--- a/src/system/kernel/lib/zlib/Jamfile
+++ b/src/system/kernel/lib/zlib/Jamfile
@@ -4,6 +4,8 @@ local zlibSourceDirectory = [ BuildFeatureAttribute zlib : sources : path ] ;
 UseHeaders $(zlibSourceDirectory) ;
 UseHeaders $(zlibSourceDirectory) : true ;
 
+SubDirCcFlags -Wno-error=missing-prototypes ;
+
 local zlibSources =
 	adler32.c
 	crc32.c