Houdini 20.5 Solaris build/testing integration

CMakeLists.txt

@@ -40,14 +40,15 @@ endif()
 find_package(OpenGL REQUIRED)
 
 find_package(JPEG REQUIRED)
+find_package(OpenColorIO REQUIRED)
 find_package(OpenImageIO REQUIRED)
 
 # Our USD config doesn't specify TBB or Boost dependencies,
 # so we need to pull the in explicitly
 find_package(TBB REQUIRED)
 
 if (NOT DEFINED BOOST_PYTHON_COMPONENT_NAME)
-    # may need to be, e.g. python36, python39
+    # may need to be, e.g. python36, python311
     set(BOOST_PYTHON_COMPONENT_NAME python)
 endif()
 
@@ -137,4 +138,3 @@ install(
     DESTINATION .
     USE_SOURCE_PERMISSIONS
 )
-

cmd/hd_cmd/hd_render/CMakeLists.txt

@@ -15,6 +15,18 @@ target_sources(${target}
         SceneDelegate.cc
 )
 
+# Dirty compatibility workaround:
+# Houdini 20.5 ships USD 24.03 headers that fail to compile under
+# Xcode 26 / AppleClang 21 because pxr/usd/sdf/childrenProxy.h contains an
+# invalid _ValueProxy::operator= path that calls SdfChildrenProxy::_Set(),
+# which does not exist. This target directly compiles Houdini USD/UsdImaging
+# headers, so keep the workaround target-local and remove it when the
+# Houdini/USD/toolchain combination compiles normally.
+target_include_directories(${target}
+    BEFORE PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/../../../plugin/adapters/compat/houdini20_5_usd24_xcode26
+)
+
 if (NOT IsDarwinPlatform)
     set(PlatformSpecificLibs atomic)
 endif()

cmd/hd_cmd/hd_usd2rdl/CMakeLists.txt

@@ -14,6 +14,18 @@ target_sources(${target}
         SceneDelegate.cc
 )
 
+# Dirty compatibility workaround:
+# Houdini 20.5 ships USD 24.03 headers that fail to compile under
+# Xcode 26 / AppleClang 21 because pxr/usd/sdf/childrenProxy.h contains an
+# invalid _ValueProxy::operator= path that calls SdfChildrenProxy::_Set(),
+# which does not exist. This target directly compiles Houdini USD/UsdImaging
+# headers, so keep the workaround target-local and remove it when the
+# Houdini/USD/toolchain combination compiles normally.
+target_include_directories(${target}
+    BEFORE PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/../../../plugin/adapters/compat/houdini20_5_usd24_xcode26
+)
+
 if (NOT IsDarwinPlatform)
     set(PlatformSpecificLibs atomic)
 endif()