Ensure shared library is installed correctly and with no SONAME.

Put manuals in the right place.

Index: src/Makefile.in
--- src/Makefile.in.orig
+++ src/Makefile.in
@@ -42,7 +42,7 @@ srcdir=@srcdir@
 bindir=@bindir@
 libdir=@libdir@
 datarootdir=@datarootdir@
-mandir=@mandir@
+mandir=@prefix@/man
 mansec=1
 lmansec=3
 smandir=$(mandir)/man$(mansec)
@@ -124,9 +124,7 @@ RUNTIME=$(RUNTIMEDIR)/$(PLLIB)
 SOEXT=@SO_EXT@
 SOLIB=@SOLIB@
 SHARED=@PLSO@
-SHAREDV=$(SHARED).$(PLVERSION)
-SONAME=@SONAME@
-SONAMEOPT=@SONAMEOPT@
+SHAREDV=$(SHARED).${LIBswipl_VERSION}
 LIBRARYDIR=${PLBASE}/library
 PLCUSTOM=${PLBASE}/customize
 MKLIBS=@MKLIBS@
@@ -254,12 +252,10 @@ $(RUNTIMEDIR)/$(SHARED):	dirs $(OBJ) $(LIBOBJ) $(XOBJ)
 		(cd $(RUNTIMEDIR) && $(MSLIBEXE) /def:libswipl.def)
 else
 $(RUNTIMEDIR)/$(SHAREDV):	dirs $(OBJ) $(LIBOBJ) $(XOBJ)
-		$(CC) -shared $(COFLAGS) -o $@ $(SONAMEOPT) \
+		$(CC) -shared $(COFLAGS) -o $@ \
 			$(OBJ) $(LIBOBJ) $(XOBJ) $(LDFLAGS) $(LDOFLAGS)	$(LIBS)
 
 $(RUNTIMEDIR)/$(SHARED):	$(RUNTIMEDIR)/$(SHAREDV)
-		( cd ../lib/$(PLARCH) && rm -f $(SHARED) && ln -s $(SHAREDV) $(SHARED) )
-		( cd ../lib/$(PLARCH) && rm -f $(SONAME) && ln -s $(SHAREDV) $(SONAME) )
 endif
 endif
 
@@ -521,8 +517,6 @@ ifeq ($(SOEXT),dll)
 else
 		if [ -f $(RUNTIMEDIR)/$(SHAREDV) ]; then \
 		  $(INSTALL_SHOBJ) $(RUNTIMEDIR)/$(SHAREDV) $(DESTDIR)$(PLBASE)/$(SOLIB)/$(INSTALL_PLARCH) ; \
-		( cd $(DESTDIR)$(PLBASE)/lib/$(INSTALL_PLARCH) && rm -f $(SHARED) && ln -s $(SHAREDV) $(SHARED) ) ; \
-		( cd $(DESTDIR)$(PLBASE)/lib/$(INSTALL_PLARCH) && rm -f $(SONAME) && ln -s $(SHAREDV) $(SONAME) ) ; \
 		fi
 endif
 endif