From 6d402b272f8bff60f5c9e7d9e55085bacd21c609 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Thu, 26 Mar 2009 09:31:51 +0000
Subject: [PATCH] abuild: support for conflicts in makedepends

prefix a makedepends with ! and its treated as a conflict. for example:

makedepends="zlib-dev !gettext"
---
 abuild | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/abuild b/abuild
index c732eb4..08ae2c0 100755
--- a/abuild
+++ b/abuild
@@ -541,7 +541,10 @@ builddeps() {
 
 	# find which deps are missing
 	for i in $deps; do
-		if ! apk info -e $i; then
+		if [ "${i#\!}" != "$i" ]; then
+			apk info -e ${i#\!} \
+				&& die "Conflicting package ${i#\!} is installed."
+		elif ! apk info -e $i; then
 			if [ -z "$install_deps" ] && [ -z "$recursive" ]; then
 				die "Missing dependency $i. Use -r to autoinstall or -R to build"
 			fi