make msdos lib/djgpp/target folder more hierarchical

Instead of flat, have bin, lib and include folders for
the native DOS pieces.

If you have been cross-compiling for MSDOS, you will
need to carry out the following to bring things up-to-date:

    sys/msdos/fetch-cross-compiler.sh
    make CROSS_TO_MSDOS=1 WANT_DEBUG=1 package

sys/msdos/fetch-cross-compiler.sh

@@ -139,12 +139,22 @@ if [ ! -d djgpp/djgpp-patch ]; then
     cd ../../
 fi
 
-# create a directory to hold some native DOS executables that might get deployed
+# create a directories to hold some native DOS pieces that might get deployed
 if [ ! -d djgpp/target ]; then
     cd djgpp
     mkdir -p target
     cd ../
 fi
+if [ ! -d djgpp/target/bin ]; then
+    mkdir -p djgpp/target/bin
+fi
+if [ ! -d djgpp/target/lib ]; then
+    mkdir -p djgpp/target/lib
+fi
+if [ ! -d djgpp/target/include ]; then
+    mkdir -p djgpp/target/include
+fi
+
 
 # These 4 arrays must have their elements kept in synch.
 #
@@ -160,8 +170,9 @@ ziplocal=(
 )
 # name of file after extraction from zip file
 exesought=(
-	"symify.exe"
+	"bin/symify.exe"
-	"gdb.exe"
+	"bin/gdb.exe"
+
 )
 # stored full path inside zip file
 exepathinzip=(
@@ -196,11 +207,14 @@ if [ -d djgpp/target ]; then
      fi
      count=$(( $count + 1 ))
    done
+
    echo "Native DOS executables in lib/djgpp/target:"
    ls -l *.exe
+   #
    cd ../../
 fi
 
+
 FONT_VERSION="4.49"
 FONT_FILE="terminus-font-$FONT_VERSION"
 FONT_LFILE="$FONT_FILE.1"

sys/unix/hints/include/cross-post.370

@@ -65,10 +65,10 @@ dospkg: dodata dosfonts $(GAMEBIN) $(TARGETPFX)recover.exe ../dat/nhtiles.bmp
 	cp $(DOSFONT)/ter-u28b.psf $(TARGETPFX)pkg/TER-U28B.PSF
 	cp $(DOSFONT)/ter-u32b.psf $(TARGETPFX)pkg/TER-U32B.PSF
 	cp  ../lib/djgpp/cwsdpmi/bin/CWSDPMI.EXE $(TARGETPFX)pkg/CWSDPMI.EXE
-	( if [ -f ../lib/djgpp/target/symify.exe ]; then \
+	( if [ -f ../lib/djgpp/target/bin/symify.exe ]; then \
-	      cp  ../lib/djgpp/target/symify.exe $(TARGETPFX)pkg/SYMIFY.EXE; \
+	      cp  ../lib/djgpp/target/bin/symify.exe $(TARGETPFX)pkg/SYMIFY.EXE; \
           else \
-              pwd; echo "../lib/djgpp/target/symify.exe not found"; \
+              pwd; echo "../lib/djgpp/target/bin/symify.exe not found"; \
 	  fi; )
 ifeq "$(WANT_DEBUG)" "1"
 	( if [ -f $(GDBEXE) ]; \

sys/unix/hints/include/cross-pre2.370

@@ -133,6 +133,13 @@ override TARGET_CC = $(TOOLTOP1)/i586-pc-msdosdjgpp-gcc
 override TARGET_CXX = $(TOOLTOP1)/i586-pc-msdosdjgpp-g++
 override TARGET_AR = $(TOOLTOP1)/i586-pc-msdosdjgpp-gcc-ar
 override TARGET_STUBEDIT = ../lib/djgpp/i586-pc-msdosdjgpp/bin/stubedit
+ifdef MAKEFILE_SRC
+FLDR=../
+endif
+ifdef MAKEFILE_TOP
+FLDR=
+endif
+dostargetexes=$(FLDR)lib/djgpp/target/bin/
 #
 ifdef DOSBOX
 dosbox=$(DOSBOX)
@@ -144,13 +151,6 @@ dosboxnhfolder=$(dosboxtop)/$(dosboxgameid)
 dosboxnhsrc=$(dosboxnhfolder)/NHSRC
 dosboxconfigfile=NETHACK.CNF
 dosgdburl=http://www.mirrorservice.org/sites/ftp.delorie.com/pub/djgpp/current/v2gnu/gdb801b.zip
-ifdef MAKEFILE_SRC
-FLDR=../
-endif
-ifdef MAKEFILE_TOP
-FLDR=
-endif
-dostargetexes=$(FLDR)lib/djgpp/target
 WANT_DEBUG=1
 DEPLOY=deploytodosbox
 endif  # dosbox
@@ -231,7 +231,7 @@ override PACKAGE = dospkg
 override PREGAME += mkdir -p $(TARGETDIR) ; make $(TARGETPFX)exceptn.o ;
 override CLEANMORE += rm -f -r $(TARGETDIR) ; rm -f -r $(FONTTARGETS) ;
 ifeq "$(WANT_DEBUG)" "1"
-GDBEXE=../lib/djgpp/target/gdb.exe
+GDBEXE=$(dostargetexes)gdb.exe
 GDBBAT=NHGDB.BAT
 GDBCMDLINE=directory nhsrc/src nhsrc/include nhsrc/sys/msdos \
 		nhsrc/sys/share nhsrc/win/share nhsrc/win/curses \