From ad07bcbb0299dd8057178b3cf86c3c45fc347bcb Mon Sep 17 00:00:00 2001
From: Ophidiophobia <sandstrahl700@gmx.de>
Date: Sun, 4 Jul 2021 19:04:01 +0200
Subject: [PATCH] grub: compile with -Os

Avoids being stuck at "GRUB loading." when booting through legacy BIOS
---
 srcpkgs/grub/template | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/srcpkgs/grub/template b/srcpkgs/grub/template
index bf10fc663483..d9680429250b 100644
--- a/srcpkgs/grub/template
+++ b/srcpkgs/grub/template
@@ -1,7 +1,7 @@
 # Template file for 'grub'
 pkgname=grub
 version=2.06
-revision=1
+revision=2
 hostmakedepends="python3 pkg-config flex freetype-devel font-unifont-bdf help2man"
 makedepends="libusb-compat-devel ncurses-devel freetype-devel
  liblzma-devel device-mapper-devel fuse-devel"
@@ -44,6 +44,13 @@ case "$XBPS_TARGET_MACHINE" in
 esac
 
 do_configure() {
+	# workaround for https://savannah.gnu.org/bugs/?60458
+	# some more info: https://www.linuxquestions.org/questions/showthread.php?p=6257712
+	# grub 2.06 reboots immediately when compiled with -O2
+	# only effects legacy BIOS
+	export CFLAGS="${CFLAGS/-O2/-Os}"
+	export CXXFLAGS="${CXXFLAGS/-O2/-Os}"
+
 	unset CC AS LD RANLIB CPP
 	local freestanding_cflags="-fno-stack-protector"