Fix conflict with lapack
Install shared libraries
Add options to install for SSE1/SSE2/... targets.

Possible split of pkgsrc/math/lapack/Makefile.common:

$ cvs -q diff -uN Makefile.common Makefile.version                                                                                                                                   
Index: Makefile.common
===================================================================
RCS file: /public/netbsd-rsync/pkgsrc/math/lapack/Makefile.common,v
retrieving revision 1.2
diff -u -r1.2 Makefile.common
--- Makefile.common     9 Oct 2014 14:06:41 -0000       1.2
+++ Makefile.common     9 Jul 2016 06:53:40 -0000
@@ -2,10 +2,12 @@
 # used by math/blas/Makefile
 # used by math/lapack/Makefile
 
-DISTNAME=      lapack-3.5.0
+.include "${.CURDIR}/../../math/lapack/Makefile.version"
+
+DISTNAME=      ${LAPACK_NAME}-${LAPACK_VERSION}
 CATEGORIES=    math
 MASTER_SITES=  ${MASTER_SITE_NETLIB:=lapack/}
-EXTRACT_SUFX=  .tgz
+EXTRACT_SUFX=  ${LAPACK_SUFX}
 
 MAINTAINER=    adam@NetBSD.org
 HOMEPAGE=      http://www.netlib.org/lapack/
Index: Makefile.version
===================================================================
RCS file: Makefile.version
diff -N Makefile.version
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ Makefile.version    9 Jul 2016 06:49:54 -0000
@@ -0,0 +1,6 @@
+# $NetBSD: Makefile.common,v 1.2 2014/10/09 14:06:41 wiz Exp $
+# used by math/lapack/Makefile.common
+
+LAPACK_NAME=   lapack
+LAPACK_VERSION=        3.5.0
+LAPACK_SUFX=   .tgz