https://bugs.gentoo.org/508708

From dc24785c4f08eaee4603f2fa24355df2f3790ceb Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 25 Apr 2014 13:37:56 -0400
Subject: [PATCH 2/4] simplify file deletion

Running `rm` on one file at a time is needlessly slow.
---
 opengl.eselect | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/opengl.eselect b/opengl.eselect
index 90ac51e..111412f 100644
--- a/opengl.eselect
+++ b/opengl.eselect
@@ -106,9 +106,7 @@ setup_lib_symlinks() {
 
 	pushd "${target}" &> /dev/null
 		# Note that lafiles are removed here and never enabled again
-		for file in libGL{,core}.la ; do
-			rm -f "${file}"* || die -q "Failed to delete ${file}"
-		done
+		rm -f libGL{,core}.la* || die -q "Failed to delete old linker scripts"
 
 		for file in "${profile_libdir}"/lib{EGL,GL*,OpenVG}{,core}.{so,dylib,a}; do
 			upgrade_file "${file}" "${target}"
@@ -125,9 +123,7 @@ setup_extensions_symlinks() {
 		mkdir -p "${target}" || die "Failed to create ${target}"
 		pushd "${target}" &> /dev/null
 			# First remove old cruft symlinks
-			for file in lib{wfb,glx,dri,dri2}.{so,dylib,a}; do
-				rm -f "${file}" || die -q "Failed to delete ${targetdir}/${file}"
-			done
+			rm -f lib{wfb,glx,dri,dri2}.{so,dylib,a} || die -q "Failed to delete old symlinks in ${targetdir}"
 
 			# regenerate symlinks
 			for file in "${src}"/*.{so,dylib,a}; do
-- 
1.9.2