Back off of using shallow clones

The checkout size, particularly when LLVM is involved, isn't drastically
smaller and the shallow clones act oddly when we try to do things other
that just a simple build.  Go simple unless there is some more
compelling advantage than checkout size.

.gitmodules

@@ -1,377 +1,311 @@
 [submodule "patch/patch"]
 	path = patch/patch
 	url = https://github.com/BRL-CAD/patch
-	shallow = true
 	ignore = dirty
 [submodule "astyle/astyle"]
 	path = astyle/astyle
 	url = https://github.com/BRL-CAD/astyle
-	shallow = true
 	ignore = dirty
 [submodule "lief/LIEF"]
 	path = lief/LIEF
 	url = https://github.com/BRL-CAD/LIEF
 	branch = master
-	shallow = true
 	ignore = dirty
 [submodule "lemon/lemon"]
 	path = lemon/lemon
 	url = https://github.com/BRL-CAD/lemon
-	shallow = true
 	ignore = dirty
 [submodule "re2c/re2c"]
 	path = re2c/re2c
 	url = https://github.com/BRL-CAD/re2c
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "perplex/perplex"]
 	path = perplex/perplex
 	url = https://github.com/BRL-CAD/perplex
-	shallow = true
 	ignore = dirty
 [submodule "plief/plief"]
 	path = plief/plief
 	url = https://github.com/BRL-CAD/plief
-	shallow = true
 	ignore = dirty
 [submodule "strclear/strclear"]
 	path = strclear/strclear
 	url = https://github.com/BRL-CAD/strclear
-	shallow = true
 	ignore = dirty
 [submodule "xmltools/xmltools"]
 	path = xmltools/xmltools
 	url = https://github.com/BRL-CAD/xmltools
-	shallow = true
 	ignore = dirty
 [submodule "zlib/zlib"]
 	path = zlib/zlib
 	url = https://github.com/BRL-CAD/zlib
-	shallow = true
 	ignore = dirty
 [submodule "png/libpng"]
 	path = png/libpng
 	url = https://github.com/BRL-CAD/libpng
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "netpbm/netpbm"]
 	path = netpbm/netpbm
 	url = https://github.com/BRL-CAD/netpbm
 	branch = brlcad
-	shallow = true
 	ignore = dirty
 [submodule "regex/regex"]
 	path = regex/regex
 	url = https://github.com/BRL-CAD/regex
-	shallow = true
 	ignore = dirty
 [submodule "linenoise/linenoise"]
 	path = linenoise/linenoise
 	url = https://github.com/BRL-CAD/linenoise
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "lmdb/lmdb"]
 	path = lmdb/lmdb
 	url = https://github.com/BRL-CAD/lmdb
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "eigen/eigen"]
 	path = eigen/eigen
 	url = https://github.com/BRL-CAD/eigen
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "stepcode/stepcode"]
 	path = stepcode/stepcode
 	url = https://github.com/BRL-CAD/stepcode
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "sqlite3/sqlite3"]
 	path = sqlite3/sqlite3
 	url = https://github.com/BRL-CAD/sqlite3.git
-	shallow = true
 	ignore = dirty
 [submodule "proj/PROJ"]
 	path = proj/PROJ
 	url = https://github.com/BRL-CAD/PROJ
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "gdal/gdal"]
 	path = gdal/gdal
 	url = https://github.com/BRL-CAD/gdal
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "assetimport/assimp"]
 	path = assetimport/assimp
 	url = https://github.com/BRL-CAD/assimp
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "opencv/opencv"]
 	path = opencv/opencv
 	url = https://github.com/BRL-CAD/opencv
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "openmesh/OpenMesh"]
 	path = openmesh/OpenMesh
 	url = https://github.com/BRL-CAD/OpenMesh
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "opennurbs/opennurbs"]
 	path = opennurbs/opennurbs
 	url = https://github.com/BRL-CAD/opennurbs
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "osmesa/osmesa"]
 	path = osmesa/osmesa
 	url = https://github.com/BRL-CAD/osmesa
-	shallow = true
 	ignore = dirty
 [submodule "utahrle/utahrle"]
 	path = utahrle/utahrle
 	url = https://github.com/BRL-CAD/utahrle
-	shallow = true
 	ignore = dirty
 [submodule "poly2tri/poly2tri"]
 	path = poly2tri/poly2tri
 	url = https://github.com/BRL-CAD/poly2tri
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "tk/tk"]
 	path = tk/tk
 	url = https://github.com/BRL-CAD/tk
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "itcl3/itcl"]
 	path = itcl/itcl
 	url = https://github.com/BRL-CAD/itcl
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "itk3/itk"]
 	path = itk/itk
 	url = https://github.com/BRL-CAD/itk
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "iwidgets/iwidgets"]
 	path = iwidgets/iwidgets
 	url = https://github.com/BRL-CAD/iwidgets
-	shallow = true
 	ignore = dirty
 [submodule "tktable/tktable"]
 	path = tktable/tktable
 	url = https://github.com/BRL-CAD/tktable
-	shallow = true
 	ignore = dirty
 [submodule "tkhtml/tkhtml"]
 	path = tkhtml/tkhtml
 	url = https://github.com/BRL-CAD/tkhtml
-	shallow = true
 	ignore = dirty
 [submodule "qt/qt"]
 	path = qt/qt
 	url = https://github.com/BRL-CAD/qt
-	shallow = true
 	ignore = dirty
 [submodule "flexbison/bison"]
 	path = flexbison/bison
 	url = https://github.com/BRL-CAD/bison
-	shallow = true
 	ignore = dirty
 [submodule "flexbison/flex"]
 	path = flexbison/flex
 	url = https://github.com/BRL-CAD/flex
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "flexbison/winflexbison"]
 	path = flexbison/winflexbison
 	url = https://github.com/BRL-CAD/winflexbison
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "minizip-ng/minizip-ng"]
 	path = minizip-ng/minizip-ng
 	url = https://github.com/BRL-CAD/minizip-ng
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "lz4/lz4"]
 	path = lz4/lz4
 	url = https://github.com/BRL-CAD/lz4
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "deflate/libdeflate"]
 	path = deflate/libdeflate
 	url = https://github.com/BRL-CAD/libdeflate
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "fmt/fmt"]
 	path = fmt/fmt
 	url = https://github.com/BRL-CAD/fmt
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "yaml-cpp/yaml-cpp"]
 	path = yaml-cpp/yaml-cpp
 	url = https://github.com/BRL-CAD/yaml-cpp
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "pystring/pystring"]
 	path = pystring/pystring
 	url = https://github.com/BRL-CAD/pystring
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "expat/libexpat"]
 	path = expat/libexpat
 	url = https://github.com/BRL-CAD/libexpat
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "pugixml/pugixml"]
 	path = pugixml/pugixml
 	url = https://github.com/BRL-CAD/pugixml
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "xerces-c/xerces-c"]
 	path = xerces-c/xerces-c
 	url = https://github.com/BRL-CAD/xerces-c
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "icu/icu"]
 	path = icu/icu
 	url = https://github.com/BRL-CAD/icu
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "jpeg/libjpeg-turbo"]
 	path = jpeg/libjpeg-turbo
 	url = https://github.com/BRL-CAD/libjpeg-turbo
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "tiff/libtiff"]
 	path = tiff/libtiff
 	url = https://github.com/BRL-CAD/libtiff
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "onetbb/oneTBB"]
 	path = onetbb/oneTBB
 	url = https://github.com/BRL-CAD/oneTBB
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "llvm/llvm-project"]
 	path = llvm/llvm-project
 	url = https://github.com/BRL-CAD/llvm-project
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "zstd/zstd"]
 	path = zstd/zstd
 	url = https://github.com/BRL-CAD/zstd
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "boost/boost"]
 	path = boost/boost
 	url = https://github.com/BRL-CAD/boost
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "openexr/openexr"]
 	path = openexr/openexr
 	url = https://github.com/BRL-CAD/openexr
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "opencolorio/OpenColorIO"]
 	path = opencolorio/OpenColorIO
 	url = https://github.com/BRL-CAD/OpenColorIO
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "openimageio/oiio"]
 	path = openimageio/oiio
 	url = https://github.com/BRL-CAD/oiio
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "osl/OpenShadingLanguage"]
 	path = osl/OpenShadingLanguage
 	url = https://github.com/BRL-CAD/OpenShadingLanguage
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "embree/embree"]
 	path = embree/embree
 	url = https://github.com/BRL-CAD/embree
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "rkcommon/rkcommon"]
 	path = rkcommon/rkcommon
 	url = https://github.com/BRL-CAD/rkcommon
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "ispc/ispc"]
 	path = ispc/ispc
 	url = https://github.com/BRL-CAD/ispc
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "ospray/ospray"]
 	path = ospray/ospray
 	url = https://github.com/BRL-CAD/ospray
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "ncurses/ncurses"]
 	path = ncurses/ncurses
 	url = https://github.com/BRL-CAD/ncurses
-	shallow = true
 	ignore = dirty
 [submodule "tcl/tcl"]
 	path = tcl/tcl
 	url = https://github.com/BRL-CAD/tcl.git
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "manifold/manifold"]
 	path = manifold/manifold
 	url = https://github.com/BRL-CAD/manifold.git
 	branch = RELEASE
-	shallow = true
 	ignore = dirty
 [submodule "appleseed/appleseed"]
 	path = appleseed/appleseed
 	url = https://github.com/BRL-CAD/appleseed
-	shallow = true
 	ignore = dirty
 [submodule "geogram/geogram"]
 	path = geogram/geogram
 	url = https://github.com/BRL-CAD/geogram.git
 	branch = RELEASE
-        shallow = true
         ignore = dirty

CMakeLists.txt

@@ -244,7 +244,7 @@ function(git_submodule_init path checkfile)
       message(FATAL_ERROR "Need to populate Git submodule, but unable to find git executable")
     endif (NOT GIT_EXECUTABLE)
     execute_process(
-      COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive --depth=1 ${path}
+      COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive ${path}
       WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
       )
   endif (NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${path}/${checkfile})