Add unversioned library symlink, Leave permissions of static libaries untouched

PKGBUILD

@@ -2,14 +2,14 @@
 
 pkgname=tcl
 pkgver=8.6.0
-pkgrel=4
+pkgrel=5
 pkgdesc="The Tcl scripting language"
 arch=('i686' 'x86_64')
 url="http://tcl.sourceforge.net/"
 license=('custom')
 depends=('zlib')
 source=(http://downloads.sourceforge.net/sourceforge/tcl/tcl${pkgver}-src.tar.gz)
-md5sums=('573aa5fe678e9185ef2b3c56b24658d3')
+sha1sums=('fc57fc08ab113740a702bb67d4f350f8ec85ef58')
 
 prepare() {
   cd tcl${pkgver}
@@ -35,10 +35,8 @@ check() {
 package() {
   cd tcl${pkgver}/unix
   make INSTALL_ROOT="${pkgdir}" install install-private-headers
-  find "${pkgdir}" -name '*.a' -type f -exec chmod 644 {} \;
   ln -sf tclsh8.6 "${pkgdir}/usr/bin/tclsh"
-
-  # install license
+  ln -sf libtcl${pkgver%.*}.so "${pkgdir}/usr/lib/libtcl.so"
   install -Dm644 ../license.terms "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
 
   # remove buildroot traces