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diff -x .git -ur usd.orig/cmake/defaults/Packages.cmake external_usd/cmake/defaults/Packages.cmake
--- usd.orig/cmake/defaults/Packages.cmake 2019-10-24 22:39:53.000000000 +0200
+++ external_usd/cmake/defaults/Packages.cmake 2019-11-28 13:00:33.185957483 +0100
@@ -64,7 +64,7 @@
endif()
# --TBB
-find_package(TBB REQUIRED COMPONENTS tbb)
+find_package(TBB)
add_definitions(${TBB_DEFINITIONS})
# --math
diff -x .git -ur usd.orig/pxr/base/plug/initConfig.cpp external_usd/pxr/base/plug/initConfig.cpp
--- usd.orig/pxr/base/plug/initConfig.cpp.orig 2020-06-12 17:20:07.478199779 +0200
+++ external_usd/pxr/base/plug/initConfig.cpp 2020-06-12 17:25:28.648588552 +0200
@@ -69,10 +69,40 @@
ARCH_CONSTRUCTOR(Plug_InitConfig, 2, void)
{
+ /* The contents of this constructor have been moved to usd_initialise_plugin_path(...) */
+}
+
+}; // end of anonymous namespace
+
+/**
+ * The contents of this function used to be in the static constructor Plug_InitConfig.
+ * This static constructor made it impossible for Blender to pass a path to the USD
+ * library at runtime, as the constructor would run before Blender's main() function.
+ *
+ * This function is wrapped in a C function of the same name (defined below),
+ * so that it can be called from Blender's main() function.
+ *
+ * The datafiles_usd_path path is used to point to the USD plugin path when Blender
+ * has been installed. The fallback_usd_path path should point to the build-time
+ * location of the USD plugin files so that Blender can be run on a development machine
+ * without requiring an installation step.
+ */
+void
+usd_initialise_plugin_path(const char *datafiles_usd_path)
+{
std::vector<std::string> result;
std::vector<std::string> debugMessages;
+ // Add Blender-specific paths. They MUST end in a slash, or symlinks will not be treated as directory.
+ if (datafiles_usd_path != NULL && datafiles_usd_path[0] != '\0') {
+ std::string datafiles_usd_path_str(datafiles_usd_path);
+ if (datafiles_usd_path_str.back() != '/') {
+ datafiles_usd_path_str += "/";
+ }
+ result.push_back(datafiles_usd_path_str);
+ }
+
// Determine the absolute path to the Plug shared library. Any relative
// paths specified in the plugin search path will be anchored to this
// directory, to allow for relocatability. Note that this can fail when pxr
@@ -114,9 +144,24 @@
_AppendPathList(&result, installLocation, binaryPath);
#endif // PXR_INSTALL_LOCATION
- Plug_SetPaths(result, debugMessages);
-}
+ if (!TfGetenv("PXR_PATH_DEBUG").empty()) {
+ printf("USD Plugin paths: (%zu in total):\n", result.size());
+ for(const std::string &path : result) {
+ printf(" %s\n", path.c_str());
+ }
+ }
+ Plug_SetPaths(result, debugMessages);
}
PXR_NAMESPACE_CLOSE_SCOPE
+
+/* Workaround to make it possible to pass a path at runtime to USD. */
+extern "C" {
+void
+usd_initialise_plugin_path(
+ const char *datafiles_usd_path)
+{
+ PXR_NS::usd_initialise_plugin_path(datafiles_usd_path);
+}
+}
diff -Naur external_usd_base/cmake/macros/Public.cmake external_usd/cmake/macros/Public.cmake
--- external_usd_base/cmake/macros/Public.cmake 2019-10-24 14:39:53 -0600
+++ external_usd/cmake/macros/Public.cmake 2020-01-11 13:33:29 -0700
@@ -996,6 +996,12 @@
foreach(lib ${PXR_OBJECT_LIBS})
string(TOUPPER ${lib} uppercaseName)
list(APPEND exports "${uppercaseName}_EXPORTS=1")
+ # When building for blender, we do NOT want to export all symbols on windows.
+ # This is a dirty hack, but USD makes it impossible to do the right thing
+ # with the default options exposed.
+ if (WIN32)
+ list(APPEND exports "PXR_STATIC=1")
+ endif()
endforeach()
foreach(lib ${PXR_OBJECT_LIBS})
set(objects "${objects};\$<TARGET_OBJECTS:${lib}>")
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