academic/ngspice: Update script.

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

academic/ngspice/ngspice.SlackBuild

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Slackware build script for ngspice
+# Slackware build script for ngspice and libngspice
 # Written by B. Jogai <jogaib {at} comcast [dot] net>
 # Now maintained by R. S. Ananda Murthy (rsamurti@gmail.com)
 
@@ -8,7 +8,7 @@
 
 PRGNAM=ngspice
 VERSION=${VERSION:-30}
-BUILD=${BUILD:-3}
+BUILD=${BUILD:-4}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -58,6 +58,16 @@ if [ "$ARCH" = "x86_64" ]; then
     sed -i "s%/lib/%/lib${LIBDIRSUFFIX}/%g" src/spinit.in
 fi
 
+./configure --prefix=/usr \
+            --mandir=/usr/man \
+            --infodir=/usr/info \
+            --with-readline=yes \
+            --enable-xspice \
+            --enable-cider \
+            --enable-openmp \
+            --with-ngshared
+make
+
 CFLAGS="$SLKCFLAGS" \
     ./configure \
     --prefix=/usr \
@@ -71,8 +81,8 @@ CFLAGS="$SLKCFLAGS" \
     --enable-cider \
     --enable-shared \
     --disable-static \
-    --with-ngshared \
     --enable-ndev \
+    --enable-openmp \
     --build=$ARCH-slackware-linux
 make
 make DESTDIR=$PKG install
@@ -89,6 +99,10 @@ cp -a ANALYSES AUTHORS BUGS COPYING ChangeLog DEVICES FAQ \
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 cat $CWD/$PRGNAM-$VERSION-manual.pdf > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM-$VERSION-manual.pdf
 
+install -Dm755 src/.libs/libngspice.so.0.0.0 "$PKG/usr/lib${LIBDIRSUFFIX}/libngspice.so.0.0.0"
+ln -s "libngspice.so.0.0.0" "$PKG/usr/lib${LIBDIRSUFFIX}/libngspice.so.0"
+ln -s "libngspice.so.0.0.0" "$PKG/usr/lib${LIBDIRSUFFIX}/libngspice.so"
+
 mkdir -p $PKG/usr/share/icons/hicolor/48x48/apps
 install -m644 $CWD/$PRGNAM.png $PKG/usr/share/icons/hicolor/48x48/apps/$PRGNAM.png