make nethack.sh switchable from hints file

If SHELLDIR is null, don't install nethack.sh.  Also a tid in Porting
and add NHSROOT to the Makefiles which gives a path to the top of the
tree (so e.g. you can always find makedefs from a rule in a hints file).

sys/unix/hints/macosx10.5

@@ -30,7 +30,7 @@ WANT_DEFAULT=tty
 ifdef WANT_WIN_QT
 QTDIR=/Developer/Qt
 LIBXPM= -L/Developer/SDKs/MacOSX10.3.9.sdk/usr/X11R6/lib -lXpm
-endif
+endif	# WANT_WIN_QT
 
 # 2. Is this a build for a binary that will be shared among different users
 #    or will it be private to you?
@@ -48,6 +48,8 @@ endif
 #WANT_SHARE_INSTALL=1
 GAMEUID  = $(USER)
 GAMEGRP  = games
+# build to run in the source tree - primarily for development.  Build with "make all"
+#WANT_SOURCE_INSTALL=1
 
 #CC=gcc -W -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -DGCC_WARN
 CC=gcc -Wall -Wextra -Wno-missing-field-initializers -Wimplicit -Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wwrite-strings -DGCC_WARN -ansi -pedantic
@@ -66,9 +68,9 @@ WINSRC = $(WINTTYSRC)
 WINOBJ = $(WINTTYOBJ)
 WINLIB = $(WINTTYLIB)
 WINTTYLIB=-lncurses
-else
+else	# !WANT_WIN_TTY
 CFLAGS += -DNOTTYGRAPHICS
-endif
+endif	# !WANT_WIN_TTY
 
 ifdef WANT_WIN_X11
 WINSRC += $(WINX11SRC)
@@ -78,7 +80,7 @@ LFLAGS=-L/usr/X11R6/lib
 VARDATND = x11tiles NetHack.ad pet_mark.xbm
 POSTINSTALL+= bdftopcf win/X11/nh10.bdf > $(HACKDIR)/nh10.pcf; (cd $(HACKDIR); mkfontdir);
 CFLAGS += -DX11_GRAPHICS
-endif
+endif	# WANT_WIN_X11
 
 ifdef WANT_WIN_QT
 CFLAGS += -DQT_GRAPHICS -DNOUSER_SOUNDS
@@ -93,18 +95,19 @@ ifdef WANT_WIN_X11
 WINOBJ = $(sort $(WINQTOBJ) $(WINX11OBJ))
 ifdef WANT_WIN_TTY
 WINOBJ += $(WINTTYOBJ)
-endif
-else
+endif	# WANT_WIN_TTY
+else	# !WANT_WIN_X11
 WINOBJ += $(WINQTOBJ)
-endif
+endif	# !WANT_WIN_X11
+
 # XXX if /Developer/qt exists and QTDIR not set, use that
 ifndef QTDIR
 $(error QTDIR not defined in the environment or Makefile)
-endif
+endif	# QTDIR
 # XXX make sure QTDIR points to something reasonable
-else
+else	# !WANT_WIN_QT
 LINK=$(CC)
-endif
+endif	# !WANT_WIN_QT
 
 ifdef WANT_SHARE_INSTALL
 # if $GAMEUID is root, we install into roughly proper Mac locations, otherwise
@@ -117,14 +120,14 @@ CHOWN=chown
 CHGRP=chgrp
 # We run sgid so the game has access to both HACKDIR and user preferences.
 GAMEPERM = 02755
-else
+else	# ! root
 PREFIX:=/Users/$(GAMEUID)
 SHELLDIR=$(PREFIX)/bin
 HACKDIR=$(PREFIX)/nethackdir
 CHOWN=touch
 CHGRP=touch
 GAMEPERM = 0500
-endif
+endif	# ! root
 VARFILEPERM = 0664
 VARDIRPERM = 0775
 ROOTCHECK= [[ `id -u` == 0 ]] || ( echo "Must run install with sudo."; exit 1)
@@ -133,7 +136,19 @@ ROOTCHECK= [[ `id -u` == 0 ]] || ( echo "Must run install with sudo."; exit 1)
 PREINSTALL= . sys/unix/hints/macosx.sh user2 $(GAMEUID); . sys/unix/hints/macosx.sh group2 $(GAMEGRP); mkdir $(SHELLDIR); chown $(GAMEUID) $(SHELLDIR)
 POSTINSTALL+= cp -n sys/unix/sysconf $(HACKDIR)/sysconf; $(CHOWN) $(GAMEUID) $(HACKDIR)/sysconf; $(CHGRP) $(GAMEGRP) $(HACKDIR)/sysconf; chmod $(VARFILEPERM) $(HACKDIR)/sysconf;
 CFLAGS+=-DSYSCF -DSYSCF_FILE=\"$(HACKDIR)/sysconf\" -DSECURE
-else
+else ifdef WANT_SOURCE_INSTALL
+PREFIX=$(abspath $(NHSROOT))
+# suppress nethack.sh"
+#SHELLDIR=
+HACKDIR=$(PREFIX)/playground
+CHOWN=touch
+CHGRP=touch
+GAMEPERM = 0700
+VARFILEPERM = 0600
+VARDIRPERM = 0700
+# We can use "make all" to build the whole thing - but it misses some things:
+MOREALL=$(MAKE) install
+else	# !WANT_SOURCE_INSTALL
 PREFIX:=$(wildcard ~)
 SHELLDIR=$(PREFIX)/bin
 HACKDIR=$(PREFIX)/nethackdir
@@ -145,10 +160,10 @@ VARDIRPERM = 0700
 ifdef WANT_WIN_X11
 # install nethack.rc as ~/.nethackrc if no ~/.nethackrc exists
 PREINSTALL= cp -n win/X11/nethack.rc ~/.nethackrc
-endif
+endif	# WANT_WIN_X11
 POSTINSTALL+= cp -n sys/unix/sysconf $(HACKDIR)/sysconf; $(CHOWN) $(GAMEUID) $(HACKDIR)/sysconf; $(CHGRP) $(GAMEGRP) $(HACKDIR)/sysconf; chmod $(VARFILEPERM) $(HACKDIR)/sysconf;
 CFLAGS+=-DSYSCF -DSYSCF_FILE=\"$(HACKDIR)/sysconf\" -DSECURE
-endif
+endif	# !WANT_SOURCE_INSTALL
 
 
 # ~/Library/Preferences/NetHack Defaults