From 87007380eafc9e42710c4c7b8bad2236285ac4be Mon Sep 17 00:00:00 2001
From: Brian Evans <grknight@gentoo.org>
Date: Thu, 29 Dec 2022 10:33:19 -0500
Subject: [PATCH] mail-client/s-nail: Ensure a -O value exists in CFLAGS

Bug: https://bugs.gentoo.org/888613
Signed-off-by: Brian Evans <grknight@gentoo.org>
---
 mail-client/s-nail/s-nail-14.9.24.ebuild | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mail-client/s-nail/s-nail-14.9.24.ebuild b/mail-client/s-nail/s-nail-14.9.24.ebuild
index 34059f4f450e1..58bc90639ae8d 100644
--- a/mail-client/s-nail/s-nail-14.9.24.ebuild
+++ b/mail-client/s-nail/s-nail-14.9.24.ebuild
@@ -33,8 +33,18 @@ BDEPEND="
 "
 
 src_configure() {
+	has_cflag() {
+		local x var="CFLAGS[*]"
+		for x in ${!var} ; do
+			[[ ${x} == $1 ]] && return 0
+		done
+		return 1
+	}
+
 	# Fails to build without replace Bug 860357
 	replace-flags -O[0gs] -O1
+	# A valid -O option is necessary Bug 888613
+	has_cflag -O* || append-cflags -O1
 	append-cflags -std=c99
 	local confopts=(
 		CC="$(tc-getCC)"