Fix DESTDIR and parallel build bugs

http://bugs.gentoo.org/147371

--- Makefile.in
+++ Makefile.in
@@ -44,7 +44,7 @@
 	@( cd ./sh_util ; $(MAKE) "CC=$(CC)" "CFLAGS=$(CFLAGS)" )
 	@( cd ./vis ; $(MAKE) "CC=$(CC)" "CFLAGS=$(CFLAGS)" )
-	-@test -z "$(DESTDIR)" || mkdir -p "$DESTDIR" 2>/dev/null
-	-mkdir "$(DESTDIR)$(prefix)" "$(DESTDIR)$(BINDIR)" "$(DESTDIR)$(SYSCONFDIR)" "$(DESTDIR)$(mandir)" "$(DESTDIR)$(mandir)/man1" 2>/dev/null
+	-@test -z "$(DESTDIR)" || mkdir -p "$(DESTDIR)" 2>/dev/null
+	-mkdir -p "$(DESTDIR)$(prefix)" "$(DESTDIR)$(BINDIR)" "$(DESTDIR)$(SYSCONFDIR)" "$(DESTDIR)$(mandir)" "$(DESTDIR)$(mandir)/man1" 2>/dev/null
 	-@echo '..... Installing the programs .....'
 	$(INSTALL_PROGRAM) bin/ncftp@EXEEXT@ "$(DESTDIR)$(BINDIR)/ncftp@EXEEXT@"
 	$(INSTALL_PROGRAM) bin/ncftpget@EXEEXT@ "$(DESTDIR)$(BINDIR)/ncftpget@EXEEXT@"
@@ -52,7 +52,7 @@
 	$(INSTALL_PROGRAM) bin/ncftpls@EXEEXT@ "$(DESTDIR)$(BINDIR)/ncftpls@EXEEXT@"
 	$(INSTALL_PROGRAM) bin/ncftpbatch@EXEEXT@ "$(DESTDIR)$(BINDIR)/ncftpbatch@EXEEXT@"
 	-@test -f "$(DESTDIR)$(BINDIR)/ncftpspooler@EXEEXT@" && echo /bin/rm "$(DESTDIR)$(BINDIR)/ncftpspooler@EXEEXT@" && /bin/rm "$(DESTDIR)$(BINDIR)/ncftpspooler@EXEEXT@"
-	ln "$(DESTDIR)$(BINDIR)/ncftpbatch@EXEEXT@" "$(DESTDIR)$(BINDIR)/ncftpspooler@EXEEXT@"
+	ln -s "ncftpbatch@EXEEXT@" "$(DESTDIR)$(BINDIR)/ncftpspooler@EXEEXT@"
 #
 # The visual programs are only built if a working Curses was found.
 #
--- sio/Makefile.in
+++ sio/Makefile.in
@@ -179,6 +179,7 @@
 SClose.o: SClose.c $(SYSHDRS_DEP)
 SConnect.o: SConnect.c $(SYSHDRS_DEP)
 SConnectByName.o: SConnectByName.c $(SYSHDRS_DEP)
+SError.o: SError.c $(SYSHDRS_DEP)
 SNew.o: SNew.c $(SYSHDRS_DEP)
 SRead.o: SRead.c $(SYSHDRS_DEP)
 SReadline.o: SReadline.c $(SYSHDRS_DEP)
--- sio/pch.mk.gcc-gch
+++ sio/pch.mk.gcc-gch
@@ -1,5 +1,6 @@
 syshdrs.h.gch: syshdrs.h sio.h usio.h
-	$(CCDV)$(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) syshdrs.h
+	$(CCDV)$(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) syshdrs.h -o .tmp.$@
+	mv -f .tmp.$@ $@
 
 PCH=syshdrs.h.gch
 SYSHDRS_DEP=syshdrs.h.gch
--- libncftp/Makefile.in
+++ libncftp/Makefile.in
@@ -353,3 +353,6 @@
 
 u_unmdtm.o: u_unmdtm.c $(SYSHDRS_DEP)
 u_unmdtm.so: u_unmdtm.c $(SYSHDRS_DEP)
+
+u_feat.o: u_feat.c $(SYSHDRS_DEP)
+u_feat.so: u_feat.c $(SYSHDRS_DEP)
--- libncftp/pch.mk.gcc-gch
+++ libncftp/pch.mk.gcc-gch
@@ -1,5 +1,6 @@
 syshdrs.h.gch: syshdrs.h ncftp.h ncftp_errno.h util.h ftp.h
-	$(CCDV)$(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) syshdrs.h
+	$(CCDV)$(CC) $(CFLAGS) $(DEFS) $(CPPFLAGS) syshdrs.h -o .tmp.$@
+	mv -f .tmp.$@ $@
 
 PCH=syshdrs.h.gch
 SYSHDRS_DEP=syshdrs.h.gch