From 1f3b594dde68ff07ecf429b10b2501660adc0f1d Mon Sep 17 00:00:00 2001
From: Ted Tanberry <ted.tanberry@gmail.com>
Date: Sat, 10 Oct 2015 22:18:12 +0200
Subject: sci-biology/bowtie: remove REQUIRED_USE

When SSE2 support is not explicitly enabled, the user is
informed by erroring out instead of portage recommending
enabling cpu flags.
---
 sci-biology/bowtie/bowtie-2.2.6.ebuild | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'sci-biology')

diff --git a/sci-biology/bowtie/bowtie-2.2.6.ebuild b/sci-biology/bowtie/bowtie-2.2.6.ebuild
index 50aca7e60d06..c15de562f28d 100644
--- a/sci-biology/bowtie/bowtie-2.2.6.ebuild
+++ b/sci-biology/bowtie/bowtie-2.2.6.ebuild
@@ -15,7 +15,6 @@ SLOT="2"
 KEYWORDS="~amd64 ~x86"
 
 IUSE="examples cpu_flags_x86_sse2 tbb"
-REQUIRED_USE="cpu_flags_x86_sse2"
 
 RDEPEND="dev-lang/perl"
 DEPEND="${RDEPEND}
@@ -27,6 +26,13 @@ S="${WORKDIR}/${PN}2-${PV}"
 DOCS=( AUTHORS NEWS TUTORIAL )
 HTML_DOCS=( doc/{manual.html,style.css} )
 
+pkg_pretend() {
+	if ! use cpu_flags_x86_sse2 ; then
+		eerror "This package requires a CPU supporting the SSE2 instruction set."
+		die "SSE2 support missing"
+	fi
+}
+
 src_compile() {
 	emake \
 		CC="$(tc-getCC)" \
-- 
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