Use cmake configs to find USD

Also renamed `USD::` namespace to `pxr::` to match packaage name.

cmake/CMakeLists.txt

@@ -224,7 +224,7 @@ endif()
 set(USD_LIBRARIES "")
 if(USD_SUPPORT)
     find_package(USD REQUIRED)
-    set(USD_LIBRARIES USD::USD)
+    set(USD_LIBRARIES pxr::USD)
 endif(USD_SUPPORT)
 
 if (WITH_ROCKSDB)

cmake/FindUSD.cmake

@@ -5,17 +5,29 @@
 # - `TBB_INCLUDE_DIR`
 # - `TBB_LIBRARY_DIR`
 # Input variables could also be provided as environment variables.
-# TODO: Try to find USD config if varibales are not provided.
-# TODO: does usd have a config file?
+# If `USD_INCLUDE_DIR` and `USD_LIBRARY_DIR` are not provided,
+# try to find USD by locating its config file.
 #
 # Output targets:
-# - `USD::USD`
+# - `pxr::USD`
 
 UNIFY_ENVVARS_AND_CACHE(USD_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(USD_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(TBB_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(TBB_LIBRARY_DIR)
 
+
+if(NOT USD_LIBRARY_DIR AND NOT USD_INCLUDE_DIR)
+    find_package(pxr CONFIG)
+    if(pxr_FOUND)
+        add_library(pxr::USD INTERFACE IMPORTED)
+        target_link_libraries(pxr::USD INTERFACE ${PXR_LIBRARIES})
+        include(FindPackageHandleStandardArgs)
+        find_package_handle_standard_args(USD REQUIRED_VARS pxr_DIR)
+        return()
+    endif()
+endif()
+
 if(NOT USD_INCLUDE_DIR)
     find_path(USD_INCLUDE_DIR pxr.h
         PATHS
@@ -65,31 +77,31 @@ else()
     message(FATAL_ERROR "Unable to find USD libraries in: ${USD_LIBRARY_DIR}")
 endif()
 
-add_library(USD::USD INTERFACE IMPORTED)
-target_link_directories(USD::USD
+add_library(pxr::USD INTERFACE IMPORTED)
+target_link_directories(pxr::USD
     INTERFACE
     ${USD_LIBRARY_DIR} ${TBB_LIBRARY_DIR}
 )
-target_include_directories(USD::USD
+target_include_directories(pxr::USD
     INTERFACE
     ${USD_INCLUDE_DIR} ${TBB_INCLUDE_DIR}
 )
 
 # We don't link TBB libraries - on Windows they're provided using `pragma(lib)`.
 # On Unix there's no `pragma(lib)`, so in theory it will break.
-target_link_libraries(USD::USD
+target_link_libraries(pxr::USD
     INTERFACE
     ${USD_LIBRARIES}
 )
 
 if(MSVC)
-    target_link_libraries(USD::USD
+    target_link_libraries(pxr::USD
         INTERFACE
         debug DbgHelp.lib
     )
 endif()
 
-target_compile_definitions(USD::USD
+target_compile_definitions(pxr::USD
     INTERFACE
     PXR_STATIC WITH_USD
 )

nix/build-all.py

@@ -1407,11 +1407,11 @@ else:
     cmake_args.append("-DHDF5_SUPPORT=Off")
 
 if "usd" in targets:
-    cmake_args.extend(
+    cmake_args.append("-DUSD_SUPPORT=ON")
+    cmake_args_prefix_path.extend(
         [
-            f"-DUSD_SUPPORT=" "On",
-            f"-DUSD_INCLUDE_DIR={DEPS_DIR}/install/usd-{USD_VERSION}/include",
-            f"-DUSD_LIBRARY_DIR={DEPS_DIR}/install/usd-{USD_VERSION}/lib",
+            f"{DEPS_DIR}/install/tbb-{TBB_VERSION}",
+            f"{DEPS_DIR}/install/usd-{USD_VERSION}",
         ]
     )
 

win/run-cmake.bat

@@ -118,10 +118,8 @@ set MPFR_LIBRARY_DIR=%INSTALL_DIR%\mpfr
 :: We don't install Eigen currently,
 :: so there's no Eigen3config.cmake and therefore we provide path explicitly.
 set EIGEN_DIR=%INSTALL_DIR%\Eigen
-set USD_INCLUDE_DIR=%INSTALL_DIR%\usd\include
-set USD_LIBRARY_DIR=%INSTALL_DIR%\usd\lib
-set TBB_INCLUDE_DIR=%INSTALL_DIR%\tbb\include
-set TBB_LIBRARY_DIR=%INSTALL_DIR%\tbb\lib
+set TBB_INSTALL_DIR=%INSTALL_DIR%\tbb
+set USD_INSTALL_DIR=%INSTALL_DIR%\usd
 set ROCKSDB_INSTALL_DIR=%INSTALL_DIR%\rocksdb
 set ZSTD_INSTALL_DIR=%INSTALL_DIR%\zstd
 
@@ -155,10 +153,8 @@ echo    GMP_LIBRARY_DIR         = %GMP_LIBRARY_DIR%
 echo    MPFR_INCLUDE_DIR        = %MPFR_INCLUDE_DIR%
 echo    MPFR_LIBRARY_DIR        = %MPFR_LIBRARY_DIR%
 echo    EIGEN_DIR               = %EIGEN_DIR%
-echo    USD_INCLUDE_DIR         = %USD_INCLUDE_DIR%
-echo    USD_LIBRARY_DIR         = %USD_LIBRARY_DIR%
-echo    TBB_INCLUDE_DIR         = %TBB_INCLUDE_DIR%
-echo    TBB_LIBRARY_DIR         = %TBB_LIBRARY_DIR%
+echo    TBB_INSTALL_DIR         = %TBB_INSTALL_DIR%
+echo    USD_INSTALL_DIR         = %USD_INSTALL_DIR%
 echo    ROCKSDB_INSTALL_DIR     = %ROCKSDB_INSTALL_DIR%
 echo    ZSTD_INSTALL_DIR        = %ZSTD_INSTALL_DIR%
 echo    CCACHE_INSTALL_DIR      = %CCACHE_INSTALL_DIR%
@@ -174,6 +170,7 @@ echo "Running CMake for %PROJECT_NAME%."
 set CMAKE_PREFIX_PATH=%HDF5_INSTALL_DIR%;%OPENCOLLADA_INSTALL_DIR%;%SWIG_INSTALL_DIR%
 set CMAKE_PREFIX_PATH=%CMAKE_PREFIX_PATH%;%ROCKSDB_INSTALL_DIR%;%ZSTD_INSTALL_DIR%
 set CMAKE_PREFIX_PATH=%CMAKE_PREFIX_PATH%;%BOOST_INSTALL_DIR%;%CCACHE_INSTALL_DIR%
+set CMake_PREFIX_PATH=%CMAKE_PREFIX_PATH%;%USD_INSTALL_DIR%;%TBB_INSTALL_DIR%
 
 :: Not fully supported - not available from install-ifcopenshell
 :: and some logs are still showing Visual Studio generators.