Remove deprecated Houdini plugin from the USD repository

This plugin has been deprecated in favor of Houdini's
native Solaris suite (also known as LOPs).

(Internal change: 2042211)

CMakeLists.txt

@@ -59,10 +59,6 @@ if (${PXR_BUILD_KATANA_PLUGIN})
     add_subdirectory(third_party/katana)
 endif()
 
-if (${PXR_BUILD_HOUDINI_PLUGIN})
-    add_subdirectory(third_party/houdini)
-endif()
-
 if (${PXR_BUILD_PRMAN_PLUGIN})
     add_subdirectory(third_party/renderman-${RENDERMAN_VERSION_MAJOR})
 endif()

build_scripts/build_usd.py

@@ -1334,14 +1334,6 @@ def InstallUSD(context, force, buildArgs):
         else:
             extraArgs.append('-DPXR_BUILD_KATANA_PLUGIN=OFF')
 
-        if context.buildHoudini:
-            if context.houdiniLocation:
-                extraArgs.append('-DHOUDINI_ROOT="{houdiniLocation}"'
-                                 .format(houdiniLocation=context.houdiniLocation))
-            extraArgs.append('-DPXR_BUILD_HOUDINI_PLUGIN=ON')
-        else:
-            extraArgs.append('-DPXR_BUILD_HOUDINI_PLUGIN=OFF')
-
         if Windows():
             # Increase the precompiled header buffer limit.
             extraArgs.append('-DCMAKE_CXX_FLAGS="/Zm150"')
@@ -1588,16 +1580,6 @@ def InstallUSD(context, force, buildArgs):
 group.add_argument("--katana-api-location", type=str,
                    help="Directory where the Katana SDK is installed.")
 
-group = parser.add_argument_group(title="Houdini Plugin Options")
-subgroup = group.add_mutually_exclusive_group()
-subgroup.add_argument("--houdini", dest="build_houdini", action="store_true", 
-                      default=False,
-                      help="Build Houdini plugin for USD")
-subgroup.add_argument("--no-houdini", dest="build_houdini", action="store_false",
-                      help="Do not build Houdini plugin for USD (default)")
-group.add_argument("--houdini-location", type=str,
-                   help="Directory where Houdini is installed.")
-
 args = parser.parse_args()
 
 class InstallContext:
@@ -1710,11 +1692,6 @@ def __init__(self, args):
         self.buildKatana = args.build_katana
         self.katanaApiLocation = (os.path.abspath(args.katana_api_location)
                                   if args.katana_api_location else None)
-
-        # - Houdini Plugin
-        self.buildHoudini = args.build_houdini
-        self.houdiniLocation = (os.path.abspath(args.houdini_location)
-                                if args.houdini_location else None)
 
     def GetBuildArguments(self, dep):
         return self.buildArgs.get(dep.name.lower(), [])
@@ -1813,9 +1790,6 @@ def ForceBuildDependency(self, dep):
 if not context.buildPython:
     pythonPluginErrorMsg = (
         "%s plugin cannot be built when python support is disabled")
-    if context.buildHoudini:
-        PrintError(pythonPluginErrorMsg % "Houdini")
-        sys.exit(1)
     if context.buildKatana:
         PrintError(pythonPluginErrorMsg % "Katana")
         sys.exit(1)
@@ -1844,7 +1818,7 @@ def ForceBuildDependency(self, dep):
 
     # We should not attempt to build the plugins for any other DCCs if we're
     # building against Maya's version of Python.
-    if any([context.buildHoudini, context.buildKatana]):
+    if any([context.buildKatana]):
         PrintError("Cannot build plugins for other DCCs when building against "
                    "Maya's version of Python.")
         sys.exit(1)
@@ -1955,7 +1929,6 @@ def ForceBuildDependency(self, dep):
     Draco Plugin                {buildDraco}
     MaterialX Plugin            {buildMaterialX}
     Katana Plugin               {buildKatana}
-    Houdini Plugin              {buildHoudini}
 
   Dependencies                  {dependencies}"""
 
@@ -2004,8 +1977,7 @@ def FormatBuildArguments(buildArgs):
     buildDraco=("On" if context.buildDraco else "Off"),
     buildMaterialX=("On" if context.buildMaterialX else "Off"),
     enableHDF5=("On" if context.enableHDF5 else "Off"),
-    buildKatana=("On" if context.buildKatana else "Off"),
-    buildHoudini=("On" if context.buildHoudini else "Off"))
+    buildKatana=("On" if context.buildKatana else "Off"))
 
 Print(summaryMsg)
 
@@ -2084,10 +2056,6 @@ def FormatBuildArguments(buildArgs):
     Print("See documentation at http://openusd.org/docs/Katana-USD-Plugins.html "
           "for setting up the Katana plugin.\n")
 
-if context.buildHoudini:
-    Print("See documentation at http://openusd.org/docs/Houdini-USD-Plugins.html "
-          "for setting up the Houdini plugin.\n")
-
 if context.buildPrman:
     Print("See documentation at http://openusd.org/docs/RenderMan-USD-Imaging-Plugin.html "
           "for setting up the RenderMan plugin.\n")

cmake/defaults/Options.cmake

@@ -35,7 +35,6 @@ option(PXR_BUILD_USDVIEW "Build usdview" ON)
 option(PXR_BUILD_KATANA_PLUGIN "Build usd katana plugin" OFF)
 option(PXR_BUILD_ALEMBIC_PLUGIN "Build the Alembic plugin for USD" OFF)
 option(PXR_BUILD_DRACO_PLUGIN "Build the Draco plugin for USD" OFF)
-option(PXR_BUILD_HOUDINI_PLUGIN "Build the Houdini plugin for USD" OFF)
 option(PXR_BUILD_PRMAN_PLUGIN "Build the PRMan imaging plugin" OFF)
 option(PXR_BUILD_MATERIALX_PLUGIN "Build the MaterialX plugin for USD" OFF)
 option(PXR_BUILD_DOCUMENTATION "Generate doxygen documentation" OFF)
@@ -171,15 +170,6 @@ if (${PXR_BUILD_KATANA_PLUGIN})
     endif()
 endif()
 
-if (${PXR_BUILD_HOUDINI_PLUGIN})
-    if (NOT ${PXR_ENABLE_PYTHON_SUPPORT})
-        message(STATUS 
-            "Setting PXR_BUILD_HOUDINI_PLUGIN=OFF because "
-            "PXR_ENABLE_PYTHON_SUPPORT=OFF")
-        set(PXR_BUILD_HOUDINI_PLUGIN "OFF" CACHE BOOL "" FORCE)
-    endif()
-endif()
-
 if (${PXR_BUILD_PRMAN_PLUGIN})
     if (NOT ${PXR_BUILD_IMAGING})
         message(STATUS

cmake/defaults/Packages.cmake

@@ -154,10 +154,6 @@ if (PXR_BUILD_KATANA_PLUGIN)
         )
 endif()
 
-if (PXR_BUILD_HOUDINI_PLUGIN)
-    find_package(Houdini REQUIRED)
-endif()
-
 if (PXR_BUILD_PRMAN_PLUGIN)
     find_package(Renderman REQUIRED)
 endif()

third_party/houdini/README.md

@@ -1,6 +1,2 @@
-Houdini Plugins
-===============
-
-This section contains libraries and plugins for Houdini.
-
-See the [online documentation](http://openusd.org/docs/Houdini-USD-Plugins.html) for more details.
+The USD Houdini plugins have been deprecated in favor of Houdini's
+native Solaris suite (also known as LOPs).