don't mess with libtools --enable-static / --enable-shared

tie libspice to -shared
    ngspice et al to -static

and use $(STATIC) elsewhere
  which is governed by configure.ac

configure.ac

@@ -315,8 +315,6 @@ if test "x$with_tcl" != x  &&  test "x$with_tcl" != xno ; then
     esac
  
     with_x=no
-    enable_shared=yes
-    enable_static=no
  
     AC_MSG_CHECKING([for tclConfig.sh])
     tcl_config_sh=""
@@ -434,11 +432,12 @@ EOF
         done
     fi
 
+    AC_SUBST([STATIC], [-shared])
+
 else
     TCL_PACKAGE_PATH=""
     TCL_LIB_SPEC=""
-    enable_shared=no
-    enable_static=yes
+    AC_SUBST([STATIC], [-static])
 fi
 
 AM_CONDITIONAL([TCL_MODULE], [test "x$has_tcl_module" = xtrue])

src/Makefile.am

@@ -302,6 +302,8 @@ tclspinit: $(srcdir)/tclspinit.in
 
 AM_CPPFLAGS = @AM_CPPFLAGS@ -I$(top_srcdir)/src/include -I$(top_srcdir)/src/spicelib/devices @X_CFLAGS@
 
+AM_CFLAGS = -static
+
 LIBS = @LIBS@ @X_LIBS@ @X_PRE_LIBS@ @X_EXTRA_LIBS@
 
 if WINDOWS
@@ -407,7 +409,7 @@ libspice_la_LIBADD += \
 	misc/libmisc.la \
 	$(LIBS)
 
-libspice_la_CFLAGS = $(AM_CFLAGS)
+libspice_la_CFLAGS = -shared
 libspice_la_LDFLAGS =  -shared -Wl,--version-script=$(srcdir)/tclspice.map
 if TCLWIN
 libspice_la_LDFLAGS +=  -no-undefined