Install the nethack util binaries and their documentation.

Using those, we can define our own custom levels, e.g.

1. Use the tar-like tool dlb to extract nhdat.
2. Modify/add a .des files as per "5. Creating a new level" in
   https://nethackwiki.com/wiki/Beginner%27s_guide_to_NetHack_sources
3. Compile that file using lev_comp.
4. Re-assemble the new set of files using dlb.

CMakeLists.txt

@@ -37,7 +37,7 @@ set(PYTHON_SRC_PARENT
     CACHE STRING "Directory containing the nle package files")
 
 set(HACKDIR
-    "$ENV{HOME}/nethackdir"
+    "$ENV{HOME}/nethackdir.nle"
     CACHE STRING "Configuration files for nethack")
 
 message(STATUS "HACKDIR set to: ${HACKDIR}")
@@ -59,6 +59,7 @@ set(NLE_SRC ${nle_SOURCE_DIR}/src)
 set(NLE_INC ${nle_SOURCE_DIR}/include)
 set(NLE_DAT ${nle_SOURCE_DIR}/dat)
 set(NLE_UTIL ${nle_SOURCE_DIR}/util)
+set(NLE_DOC ${nle_SOURCE_DIR}/doc)
 
 set(NLE_SRC_GEN ${nle_BINARY_DIR}/src)
 set(NLE_INC_GEN ${nle_BINARY_DIR}/include)

MANIFEST.in

@@ -1,6 +1,7 @@
 include version.txt
 
 include CMakeLists.txt
+recursive-include doc *
 recursive-include dat *
 recursive-include DEVEL *
 recursive-include include *
@@ -16,4 +17,3 @@ exclude nle/dashboard
 exclude nle/scripts/nh-clean-install.sh
 exclude nle/scripts/run-clang-format.py
 exclude nle/scripts/line-changed.sh
-

dat/CMakeLists.txt

@@ -50,24 +50,30 @@ set(DATDLB
 
 file(MAKE_DIRECTORY ${NLE_DAT_GEN})
 
-foreach(
-  filename
-  ${DATHELP}
-  ${SPECIAL_LEVELS}
-  ${QUEST_LEVELS}
-  bogusmon.txt
-  data.base
-  dungeon.def
-  engrave.txt
-  epitaph.txt
-  oracles.txt
-  quest.txt
-  rumors.fal
-  rumors.tru
-  tribute)
+# Inputs to makedef and lev_comp (and transitive inputs to dgn_comp and dlb).
+set(ALL_DAT_NOTGEN
+    ${DATHELP}
+    ${SPECIAL_LEVELS}
+    ${QUEST_LEVELS}
+    bogusmon.txt
+    data.base
+    dungeon.def
+    engrave.txt
+    epitaph.txt
+    oracles.txt
+    quest.txt
+    rumors.fal
+    rumors.tru
+    tribute)
+
+# makedef and friends like having their inputs in the same directory.
+foreach(filename ${ALL_DAT_NOTGEN})
   configure_file(${NLE_DAT}/${filename} ${filename} COPYONLY)
 endforeach(filename)
 
+# Dat files that are not inputs to any tools.
+set(ALL_DAT_NOTGEN ${ALL_DAT_NOTGEN} license symbols)
+
 # TODO(NN): try to glob .lev automatically
 #
 # NOTE: Using:
@@ -199,20 +205,6 @@ set(LEVS_GEN
     wizard2.lev
     wizard3.lev)
 
-# NOTE: This is missing *.lev, which needs the special lev_comp below.
-set(NLE_DAT_OUTPUT
-    bogusmon
-    epitaph
-    engrave
-    data
-    rumors
-    quest.dat
-    oracles
-    options
-    dungeon
-    dungeon.pdf
-    nhdat)
-
 add_custom_command(
   DEPENDS makedefs bogusmon.txt engrave.txt epitaph.txt
   OUTPUT bogusmon epitaph engrave
@@ -270,10 +262,8 @@ add_custom_command(
 set(ALL_DAT_GEN nhdat perm record logfile xlogfile sysconf)
 list(TRANSFORM ALL_DAT_GEN PREPEND ${NLE_DAT_GEN}/)
 
-set(ALL_DAT_NOTGEN license symbols)
-
 add_custom_target(dat ALL DEPENDS ${ALL_DAT_GEN} ${ALL_DAT_NOTGEN})
 
 install(FILES ${ALL_DAT_GEN} DESTINATION ${INSTDIR})
-install(FILES ${ALL_DAT_NOTGEN} DESTINATION ${INSTDIR})
+install(FILES ${ALL_DAT_NOTGEN} DESTINATION ${INSTDIR}/dat)
 install(DIRECTORY DESTINATION ${INSTDIR}/save)

util/CMakeLists.txt

@@ -85,4 +85,13 @@ add_custom_target(util DEPENDS ${MAKEDEFS_HEADERS} recover)
 add_dependencies(lev_comp util)
 add_dependencies(dgn_comp util)
 
-install(TARGETS recover DESTINATION ${INSTDIR})
+set(MAN_PAGES ${NLE_DOC}/makedefs.6 ${NLE_DOC}/dgn_comp.6 ${NLE_DOC}/lev_comp.6
+              ${NLE_DOC}/dlb.6 ${NLE_DOC}/recover.6 ${NLE_DOC}/nethack.6)
+
+set(TXT_DOCS
+    ${NLE_DOC}/makedefs.txt ${NLE_DOC}/dgn_comp.txt ${NLE_DOC}/lev_comp.txt
+    ${NLE_DOC}/dlb.txt ${NLE_DOC}/recover.txt ${NLE_DOC}/nethack.txt)
+
+install(TARGETS makedefs dgn_comp lev_comp dlb recover DESTINATION ${INSTDIR})
+install(FILES ${MAN_PAGES} DESTINATION ${INSTDIR}/man)
+install(FILES ${TXT_DOCS} DESTINATION ${INSTDIR}/doc)