Cleanup: remove unused build environment patches.

10 files changed, 0 insertions, 608 deletions

diff --git a/build_files/build_environment/cmake/osl.cmake b/build_files/build_environment/cmake/osl.cmake
index 469f0eee69d..eaf6a62d18a 100644
--- a/build_files/build_environment/cmake/osl.cmake
+++ b/build_files/build_environment/cmake/osl.cmake
@@ -90,7 +90,6 @@ ExternalProject_Add(external_osl
 	URL_HASH MD5=${OSL_HASH}
 	PREFIX ${BUILD_DIR}/osl
 	PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/osl/src/external_osl < ${PATCH_DIR}/osl.diff
-	#	${PATCH_CMD} -p 0 -d ${BUILD_DIR}/osl/src/external_osl < ${PATCH_DIR}/osl_simd_oiio.diff
 	CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/osl -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} ${DEFAULT_CMAKE_FLAGS} ${OSL_EXTRA_ARGS}
 	INSTALL_DIR ${LIBDIR}/osl
 )
diff --git a/build_files/build_environment/cmake/python.cmake b/build_files/build_environment/cmake/python.cmake
index cf928ecd794..22b4052189e 100644
--- a/build_files/build_environment/cmake/python.cmake
+++ b/build_files/build_environment/cmake/python.cmake
@@ -86,7 +86,6 @@ else()
 
 		set(PYTHON_CONFIGURE_ENV ${CONFIGURE_ENV} && export PKG_CONFIG_PATH=${BREW_PKG_CONFIG} && ${PYTHON_FUNC_CONFIGS})
 		set(PYTHON_BINARY ${BUILD_DIR}/python/src/external_python/python.exe)
-		#set(PYTHON_PATCH ${PATCH_CMD} --verbose -p1 -d ${BUILD_DIR}/python/src/external_python < ${PATCH_DIR}/python_apple.diff)
 		set(PYTHON_PATCH echo .)
 		set(PYTHON_CONFIGURE_EXTRA_ENV echo .)
 		set(PYTHON_CONFIGURE_EXTRA_ARGS)
diff --git a/build_files/build_environment/patches/alembic.diff b/build_files/build_environment/patches/alembic.diff
deleted file mode 100644
index f869858efb2..00000000000
--- a/build_files/build_environment/patches/alembic.diff
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 3e09c57..26565ae 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -116,7 +116,7 @@ IF (NOT ${ALEMBIC_LIB_USES_TR1} AND NOT ${ALEMBIC_LIB_USES_BOOST})
-     INCLUDE(CheckCXXCompilerFlag)
-     CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
-     CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
--    IF (COMPILER_SUPPORTS_CXX1X)
-+    IF (COMPILER_SUPPORTS_CXX11)
-         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-     ELSEIF (COMPILER_SUPPORTS_CXX0X)
-         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
---- a/lib/Alembic/AbcCoreOgawa/StreamManager.cpp
-+++ b/lib/Alembic/AbcCoreOgawa/StreamManager.cpp
-@@ -47,7 +47,18 @@
- #define COMPARE_EXCHANGE( V, COMP, EXCH ) V.compare_exchange_weak( COMP, EXCH, std::memory_order_seq_cst, std::memory_order_seq_cst )
- // Windows
- #elif defined( _MSC_VER )
--#define COMPARE_EXCHANGE( V, COMP, EXCH ) InterlockedCompareExhange64( &V, EXCH, COMP ) == COMP
-+#define COMPARE_EXCHANGE( V, COMP, EXCH ) InterlockedCompareExchange64( &V, EXCH, COMP ) == COMP
-+int ffsll(long	long value)
-+{
-+	if (!value)
-+		return 0;
-+
-+	for (int bit = 0; bit < 63; bit++)
-+	{
-+		if (value & (1 << bit))
-+			return bit + 1;
-+	}
-+}
- // gcc 4.8 and above not using C++11
- #elif defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 8
- #define COMPARE_EXCHANGE( V, COMP, EXCH ) __atomic_compare_exchange_n( &V, &COMP, EXCH, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST )
diff --git a/build_files/build_environment/patches/cmakelists_openvdb.txt b/build_files/build_environment/patches/cmakelists_openvdb.txt
deleted file mode 100644
index 43161b8acff..00000000000
--- a/build_files/build_environment/patches/cmakelists_openvdb.txt
+++ /dev/null
@@ -1,398 +0,0 @@
-# --------------------------------------------------------------------------------
-
-cmake_minimum_required(VERSION 2.8)
-
-# --------------------------------------------------------------------------------
-
-project(OpenVDB)
-
-# --------------------------------------------------------------------------------
-
-set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
-
-# --------------------------------------------------------------------------------
-
-set(CMAKE_BUILD_TYPE_INIT "Release")
-
-# --------------------------------------------------------------------------------
-# Options
-
-option(WITH_BLOSC             "Enable Blosc support for compression" OFF)
-option(WITH_LOGC4PLUS         "Enable logging" OFF)
-option(WITH_OPENVDB_2_ABI     "Enable building the library to be compability with the OpenVDB 2 ABI" OFF)
-option(WITH_PRINTER           "Enable building the OpenVDB print executable" OFF)
-option(WITH_PYTHON            "Enable building the OpenVDB python API" OFF)
-option(WITH_RENDERER          "Enable building the OpenVDB render executable" OFF)
-option(WITH_UNITTEST          "Enable building the unit tests" OFF)
-option(WITH_VIEWER            "Enable building the OpenVDB viewer executable" OFF)
-
-# --------------------------------------------------------------------------------
-# Find packages
-#set(BOOST_LIBRARIES boost_iostreams boost_system boost_thread)
-
-find_package(IlmBase)
-find_package(OpenEXR)
-find_package(TBB)
-find_package(Boost)
-
-if(WITH_BLOSC)
-	find_package(Blosc)
-
-	if(NOT BLOSC_FOUND)
-		set(WITH_BLOSC OFF)
-	endif()
-endif()
-
-# todo
-if(WITH_VIEWER)
-	set(GLFW_INCLUDE_DIRS ${GLFW_INCLUDE_PATH})
-	set(GLFW_LIBRARY_DIRS ${GLFW_LIBRARY_PATH})
-endif()
-
-if(WITH_LOGC4PLUS)
-	find_package(LogC4Plus)
-
-	if(NOT LOGC4PLUS_FOUND)
-		set(WITH_LOGC4PLUS OFF)
-	endif()
-endif()
-
-# todo
-if(WITH_PYTHON)
-	set(PYTHON_INCLUDE_DIRS ${PYTHON_INCLUDE_PATH})
-	set(PYTHON_LIBRARY_DIRS ${PYTHON_LIBRARY_PATH})
-endif()
-
-if(WITH_UNITTEST)
-	find_package(CppUnit)
-
-	if(NOT CPPUNIT_FOUND)
-		set(WITH_UNITTEST OFF)
-	endif()
-endif()
-
-# --------------------------------------------------------------------------------
-
-message (STATUS "BOOST_ROOT ${BOOST_ROOT}")
-message (STATUS "Boost found ${Boost_FOUND} ")
-message (STATUS "Boost version      ${Boost_VERSION}")
-message (STATUS "Boost include dirs ${Boost_INCLUDE_DIRS}")
-message (STATUS "Boost library dirs ${Boost_LIBRARY_DIRS}")
-message (STATUS "Boost libraries    ${Boost_LIBRARIES}") 
-
-message (STATUS "ILMBase found ${ILMBASE_FOUND} ")
-message (STATUS "ILMBase include dir ${ILMBASE_INCLUDE_DIR}")
-message (STATUS "ILMBase libraries    ${ILMBASE_LIBRARIES}") 
-
-message (STATUS "TBB found ${TBB_FOUND} ")
-message (STATUS "TBB include dir ${TBB_INCLUDE_DIR}")
-message (STATUS "TBB libraries    ${TBB_LIBRARIES}") 
-
-if(MSVC)
-    set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj" )
-    set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /bigobj" )
-endif()
-
-set(OPENVDB_LIBRARIES ${BLOSC_LIBRARIES} ${BOOST_LIBRARIES} ${OPENEXR_LIBRARIES} ${ILMBASE_LIBRARIES}  ${TBB_LIBRARIES} ${ZLIB_LIBRARY} )
-
-include_directories(. ${CMAKE_CURRENT_SOURCE_DIR}/../ ${Boost_INCLUDE_DIRS} ${ILMBASE_INCLUDE_DIR} ${OPENEXR_INCLUDE_DIR} ${TBB_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIR})
-link_directories(${Boost_LIBRARY_DIRS} ${OPENEXR_LIBRARY_DIRS} ${TBB_INCLUDE_DIRS})
-add_definitions(-DNOMINMAX -D__TBB_NO_IMPLICIT_LINKAGE -DOPENVDB_STATICLIB -DOPENVDB_OPENEXR_STATICLIB)
-
-if(WITH_BLOSC)
-	add_definitions(-DOPENVDB_USE_BLOSC)
-	include_directories(${BLOSC_INCLUDE_DIRS})
-	link_directories(${BLOSC_LIBRARY_DIRS})
-endif()
-
-if(WITH_LOGC4PLUS)
-	add_definitions(-DOPENVDB_USE_LOG4CPLUS)
-	include_directories(${LOG4CPLUS_INCLUDE_DIRS})
-	link_directories(${LOG4CPLUS_LIBRARY_DIRS})
-endif()
-
-if(WITH_OPENVDB_2_ABI)
-	add_definitions(-DOPENVDB_2_ABI_COMPATIBLE)
-endif()
-
-# todo
-if(WITH_OPENVDB_USE_GLFW_3)
-	add_definitions(-DOPENVDB_USE_GLFW_3)
-endif()
-
-if(WITH_UNITTEST)
-	include_directories(${CPPUNIT_INCLUDE_DIRS})
-	link_directories(${CPPUNIT_LIBRARY_DIRS})
-endif()
-
-# --------------------------------------------------------------------------------
-
-set(SRC_FILES
-	openvdb/openvdb.cc
-	openvdb/io/Compression.cc
-	openvdb/io/File.cc
-	openvdb/io/Queue.cc
-	openvdb/io/Stream.cc
-	openvdb/io/TempFile.cc
-	openvdb/io/GridDescriptor.cc
-	openvdb/io/Archive.cc
-	openvdb/metadata/MetaMap.cc
-	openvdb/metadata/Metadata.cc
-	openvdb/math/Maps.cc
-	openvdb/math/Transform.cc
-	openvdb/math/QuantizedUnitVec.cc
-	openvdb/math/Proximity.cc
-	openvdb/Grid.cc
-	openvdb/util/Formats.cc
-	openvdb/util/Util.cc
-)
-
-set(HEADER_FILES
-	openvdb/openvdb.h
-	openvdb/version.h
-	openvdb/PlatformConfig.h
-	openvdb/Metadata.h
-	openvdb/Exceptions.h
-	openvdb/Grid.h
-	openvdb/Types.h
-	openvdb/Platform.h
-	openvdb/tree/ValueAccessor.h
-	openvdb/tree/NodeUnion.h
-	openvdb/tree/Tree.h
-	openvdb/tree/Iterator.h
-	openvdb/tree/LeafNodeBool.h
-	openvdb/tree/TreeIterator.h
-	openvdb/tree/LeafNode.h
-	openvdb/tree/NodeManager.h
-	openvdb/tree/LeafManager.h
-	openvdb/tree/InternalNode.h
-	openvdb/tree/RootNode.h
-	openvdb/tools/PointScatter.h
-	openvdb/tools/VolumeAdvect.h
-	openvdb/tools/LevelSetTracker.h
-	openvdb/tools/Composite.h
-	openvdb/tools/Morphology.h
-	openvdb/tools/ValueTransformer.h
-	openvdb/tools/ChangeBackground.h
-	openvdb/tools/GridTransformer.h
-	openvdb/tools/Prune.h
-	openvdb/tools/LevelSetUtil.h
-	openvdb/tools/VolumeToSpheres.h
-	openvdb/tools/LevelSetAdvect.h
-	openvdb/tools/Statistics.h
-	openvdb/tools/LevelSetMeasure.h
-	openvdb/tools/VectorTransformer.h
-	openvdb/tools/RayIntersector.h
-	openvdb/tools/PointPartitioner.h
-	openvdb/tools/Interpolation.h
-	openvdb/tools/VelocityFields.h
-	openvdb/tools/PointIndexGrid.h
-	openvdb/tools/LevelSetRebuild.h
-	openvdb/tools/Clip.h
-	openvdb/tools/SignedFloodFill.h
-	openvdb/tools/MeshToVolume.h
-	openvdb/tools/Dense.h
-	openvdb/tools/Filter.h
-	openvdb/tools/RayTracer.h
-	openvdb/tools/Diagnostics.h
-	openvdb/tools/VolumeToMesh.h
-	openvdb/tools/PoissonSolver.h
-	openvdb/tools/LevelSetFracture.h
-	openvdb/tools/GridOperators.h
-	openvdb/tools/DenseSparseTools.h
-	openvdb/tools/ParticlesToLevelSet.h
-	openvdb/tools/LevelSetSphere.h
-	openvdb/tools/LevelSetMorph.h
-	openvdb/tools/LevelSetFilter.h
-	openvdb/tools/PointAdvect.h
-	openvdb/io/Queue.h
-	openvdb/io/TempFile.h
-	openvdb/io/Stream.h
-	openvdb/io/GridDescriptor.h
-	openvdb/io/Archive.h
-	openvdb/io/io.h
-	openvdb/io/Compression.h
-	openvdb/io/File.h
-	openvdb/metadata/StringMetadata.h
-	openvdb/metadata/MetaMap.h
-	openvdb/metadata/Metadata.h
-	openvdb/math/DDA.h
-	openvdb/math/Vec2.h
-	openvdb/math/FiniteDifference.h
-	openvdb/math/Stencils.h
-	openvdb/math/BBox.h
-	openvdb/math/Mat3.h
-	openvdb/math/Mat.h
-	openvdb/math/Proximity.h
-	openvdb/math/Ray.h
-	openvdb/math/ConjGradient.h
-	openvdb/math/Quat.h
-	openvdb/math/Vec3.h
-	openvdb/math/Vec4.h
-	openvdb/math/QuantizedUnitVec.h
-	openvdb/math/Coord.h
-	openvdb/math/Operators.h
-	openvdb/math/Stats.h
-	openvdb/math/Math.h
-	openvdb/math/Tuple.h
-	openvdb/math/LegacyFrustum.h
-	openvdb/math/Mat4.h
-	openvdb/math/Maps.h
-	openvdb/math/Transform.h
-	openvdb/util/PagedArray.h
-	openvdb/util/CpuTimer.h
-	openvdb/util/Formats.h
-	openvdb/util/NullInterrupter.h
-	openvdb/util/Util.h
-	openvdb/util/Name.h
-	openvdb/util/MapsUtil.h
-	openvdb/util/NodeMasks.h
-	openvdb/util/logging.h
-)
-
-add_library(openvdb STATIC ${SRC_FILES} ${HEADER_FILES})
-
-# --------------------------------------------------------------------------------
-
-target_link_libraries(openvdb ${OPENVDB_LIBRARIES})
-
-set(OPENVDB_VERSION_MAJOR 3)
-set(OPENVDB_VERSION_MINOR 1)
-set(OPENVDB_VERSION_PATCH 0)
-set(OPENVDB_VERSION_STRING ${OPENVDB_VERSION_MAJOR}.${OPENVDB_VERSION_MINOR}.${OPENVDB_VERSION_PATCH})
-
-set_target_properties(openvdb PROPERTIES VERSION ${OPENVDB_VERSION_STRING} SOVERSION ${OPENVDB_VERSION_MAJOR})
-
-install(TARGETS openvdb DESTINATION lib)
-
-install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DESTINATION include COMPONENT Development FILES_MATCHING PATTERN "*.h"
-        PATTERN ".git" EXCLUDE PATTERN "build" EXCLUDE PATTERN "cmake" EXCLUDE)
-
-# --------------------------------------------------------------------------------
-
-if(WITH_PRINTER)
-	set(PRINT_SRC
-		openvdb/cmd/openvdb_print/main.cc
-	)
-
-	add_executable(vdb_print ${PRINT_SRC})
-	target_link_libraries(vdb_print openvdb)
-	install(TARGETS vdb_print RUNTIME DESTINATION bin)
-endif()
-
-if(WITH_RENDER)
-	set(RENDER_SRC
-		openvdb/cmd/openvdb_render/main.cc
-	)
-
-	add_executable(vdb_render ${RENDER_SRC})
-	target_link_libraries(vdb_render openvdb)
-	install(TARGETS vdb_render RUNTIME DESTINATION bin)
-endif()
-
-# todo
-if(WITH_VIEWER)
-	set(VIEWER_SRC
-		openvdb/viewer/Camera.cc
-		openvdb/viewer/ClipBox.cc
-		openvdb/viewer/Font.cc
-		openvdb/viewer/RenderModules.cc
-		openvdb/viewer/Viewer.cc
-
-		openvdb/viewer/Camera.h
-		openvdb/viewer/ClipBox.h
-		openvdb/viewer/Font.h
-		openvdb/viewer/RenderModules.h
-		openvdb/viewer/Viewer.h
-		openvdb/cmd/openvdb_viewer/main.cc
-	)
-
-	include_directories(${GLFW_INCLUDE_DIRS})
-	link_directories(${GLFW_LIBRARY_DIRS})
-
-	add_executable(vdb_viewer ${VIEWER_SRC})
-	target_link_libraries(vdb_viewer openvdb)
-	install(TARGETS vdb_viewer RUNTIME DESTINATION bin)
-endif()
-
-# todo
-if(WITH_PYTHON)
-#	add_library(pyopenvdb SHARED )
-endif()
-
-set(UNITTEST_SRC
-	openvdb/unittest/main.cc
-	openvdb/unittest/TestBBox.cc
-	openvdb/unittest/TestConjGradient.cc
-	openvdb/unittest/TestCoord.cc
-	openvdb/unittest/TestCpt.cc
-	openvdb/unittest/TestCurl.cc
-	openvdb/unittest/TestDense.cc
-	openvdb/unittest/TestDenseSparseTools.cc
-	openvdb/unittest/TestDiagnostics.cc
-	openvdb/unittest/TestDivergence.cc
-	openvdb/unittest/TestDoubleMetadata.cc
-	openvdb/unittest/TestExceptions.cc
-	openvdb/unittest/TestFile.cc
-	openvdb/unittest/TestFloatMetadata.cc
-	openvdb/unittest/TestGradient.cc
-	openvdb/unittest/TestGrid.cc
-	openvdb/unittest/TestGridBbox.cc
-	openvdb/unittest/TestGridDescriptor.cc
-	openvdb/unittest/TestGridIO.cc
-	openvdb/unittest/TestGridTransformer.cc
-	openvdb/unittest/TestInit.cc
-	openvdb/unittest/TestInt32Metadata.cc
-	openvdb/unittest/TestInt64Metadata.cc
-	openvdb/unittest/TestInternalOrigin.cc
-	openvdb/unittest/TestLaplacian.cc
-	openvdb/unittest/TestLeaf.cc
-	openvdb/unittest/TestLeafBool.cc
-	openvdb/unittest/TestLeafIO.cc
-	openvdb/unittest/TestLeafOrigin.cc
-	openvdb/unittest/TestLevelSetRayIntersector.cc
-	openvdb/unittest/TestLevelSetUtil.cc
-	openvdb/unittest/TestLinearInterp.cc
-	openvdb/unittest/TestMaps.cc
-	openvdb/unittest/TestMat4Metadata.cc
-	openvdb/unittest/TestMath.cc
-	openvdb/unittest/TestMeanCurvature.cc
-	openvdb/unittest/TestMeshToVolume.cc
-	openvdb/unittest/TestMetadata.cc
-	openvdb/unittest/TestMetadataIO.cc
-	openvdb/unittest/TestMetaMap.cc
-	openvdb/unittest/TestName.cc
-	openvdb/unittest/TestNodeIterator.cc
-	openvdb/unittest/TestNodeMask.cc
-	openvdb/unittest/TestParticlesToLevelSet.cc
-	openvdb/unittest/TestPointIndexGrid.cc
-	openvdb/unittest/TestPointPartitioner.cc
-	openvdb/unittest/TestPoissonSolver.cc
-	openvdb/unittest/TestPrePostAPI.cc
-	openvdb/unittest/TestQuadraticInterp.cc
-	openvdb/unittest/TestQuantizedUnitVec.cc
-	openvdb/unittest/TestQuat.cc
-	openvdb/unittest/TestRay.cc
-	openvdb/unittest/TestStats.cc
-	openvdb/unittest/TestStream.cc
-	openvdb/unittest/TestStringMetadata.cc
-	openvdb/unittest/TestTools.cc
-	openvdb/unittest/TestTransform.cc
-	openvdb/unittest/TestTree.cc
-	openvdb/unittest/TestTreeCombine.cc
-	openvdb/unittest/TestTreeGetSetValues.cc
-	openvdb/unittest/TestTreeIterators.cc
-	openvdb/unittest/TestTreeVisitor.cc
-	openvdb/unittest/TestUtil.cc
-	openvdb/unittest/TestValueAccessor.cc
-	openvdb/unittest/TestVec2Metadata.cc
-	openvdb/unittest/TestVec3Metadata.cc
-	openvdb/unittest/TestVolumeRayIntersector.cc
-	openvdb/unittest/TestVolumeToMesh.cc
-)
-
-# todo
-if(WITH_UNITTEST)
-	add_executable(test ${UNITTEST_SRC} ${HEADER_FILES})
-	target_link_libraries(test openvdb ${CPPUNIT_LIBRARIES})
-endif()
diff --git a/build_files/build_environment/patches/distutildebugflags.diff b/build_files/build_environment/patches/distutildebugflags.diff
deleted file mode 100644
index 3d6b688bc53..00000000000
--- a/build_files/build_environment/patches/distutildebugflags.diff
+++ /dev/null
@@ -1,11 +0,0 @@
---- _msvccompiler.py.orig	2017-01-17 00:57:48 -0700
-+++ _msvccompiler.py	2017-05-20 09:47:26 -0600
-@@ -237,7 +237,7 @@
-             ldflags.extend(('/nodefaultlib:libucrt.lib', 'ucrt.lib'))
- 
-         ldflags_debug = [
--            '/nologo', '/INCREMENTAL:NO', '/LTCG', '/DEBUG:FULL'
-+            '/nologo', '/INCREMENTAL:NO', '/LTCG'
-         ]
- 
-         self.ldflags_exe = [*ldflags, '/MANIFEST:EMBED,ID=1']
diff --git a/build_files/build_environment/patches/osl_simd_oiio.diff b/build_files/build_environment/patches/osl_simd_oiio.diff
deleted file mode 100644
index 5062a597167..00000000000
--- a/build_files/build_environment/patches/osl_simd_oiio.diff
+++ /dev/null
@@ -1,14 +0,0 @@
---- CMakeLists.txt	2016-10-31 16:48:19 -0600
-+++ CMakeLists.txt	2017-04-10 10:38:48 -0600
-@@ -269,6 +269,11 @@
-     add_definitions ("-DOIIO_STATIC_BUILD=1")
- endif ()
- 
-+set (OIIO_NOSIMD OFF CACHE BOOL "Disable simd support in oiio")
-+if (OIIO_NOSIMD)
-+    add_definitions ("-DOIIO_NO_SSE=1")
-+endif ()
-+
- if (OSL_NO_DEFAULT_TEXTURESYSTEM)
-     add_definitions ("-DOSL_NO_DEFAULT_TEXTURESYSTEM=1")
- endif ()
diff --git a/build_files/build_environment/patches/pyshell.diff b/build_files/build_environment/patches/pyshell.diff
deleted file mode 100644
index 7ccffe4c040..00000000000
--- a/build_files/build_environment/patches/pyshell.diff
+++ /dev/null
@@ -1,12 +0,0 @@
---- pyshellext.cpp.orig	2017-01-17 00:57:53 -0700
-+++ pyshellext.cpp	2017-05-20 15:21:51 -0600
-@@ -13,6 +13,9 @@
- #include <strsafe.h>
- 
- #include "pyshellext_h.h"
-+#if _MSC_VER < 1900
-+#include "pyshellext_i.c"
-+#endif 
- 
- #define DDWM_UPDATEWINDOW (WM_USER+3)
- 
diff --git a/build_files/build_environment/patches/python.diff b/build_files/build_environment/patches/python.diff
deleted file mode 100644
index 9e7eccfafff..00000000000
--- a/build_files/build_environment/patches/python.diff
+++ /dev/null
@@ -1,82 +0,0 @@
---- Include/Python.h	2017-07-07 21:33:27 -0600
-+++ Include/Python.h	2017-09-19 10:36:10 -0600
-@@ -2,6 +2,10 @@
- #define Py_PYTHON_H
- /* Since this is a "meta-include" file, no #ifdef __cplusplus / extern "C" { */
- 
-+#if _MSC_VER < 1900
-+#define inline __inline
-+#endif
-+
- /* Include nearly all Python header files */
- 
- #include "patchlevel.h"
---- Include/pydtrace.h	2017-07-07 21:33:27 -0600
-+++ Include/pydtrace.h	2017-09-19 10:32:31 -0600
-@@ -2,6 +2,11 @@
- 
- #ifndef Py_DTRACE_H
- #define Py_DTRACE_H
-+
-+#if _MSC_VER < 1900
-+#define inline __inline
-+#endif
-+
- #ifdef __cplusplus
- extern "C" {
- #endif
-
---- Modules/_blake2/impl/blake2.h	2017-07-07 21:33:27 -0600
-+++ Modules/_blake2/impl/blake2.h	2017-09-19 10:22:41 -0600
-@@ -19,6 +19,10 @@
- #include <stddef.h>
- #include <stdint.h>
- 
-+#if _MSC_VER < 1900
-+#define inline __inline 
-+#endif
-+
- #ifdef BLAKE2_NO_INLINE
- #define BLAKE2_LOCAL_INLINE(type) static type
- #endif
-
---- pcbuild/build.bat   2016-05-21 09:53:55 -0600
-+++ pcbuild/build.bat   2016-05-21 09:56:16 -0600
-@@ -59,6 +59,7 @@
- if "%~1"=="-h" goto Usage
- if "%~1"=="-c" (set conf=%2) & shift & shift & goto CheckOpts
- if "%~1"=="-p" (set platf=%2) & shift & shift & goto CheckOpts
-+if "%~1"=="-k" (set vs_toolset=%2) & shift & shift & goto CheckOpts
- if "%~1"=="-r" (set target=Rebuild) & shift & goto CheckOpts
- if "%~1"=="-t" (set target=%2) & shift & shift & goto CheckOpts
- if "%~1"=="-d" (set conf=Debug) & shift & goto CheckOpts
-@@ -120,7 +120,7 @@
-
- :Kill
- echo on
--%MSBUILD% "%dir%\pythoncore.vcxproj" /t:KillPython %verbose%^
-+%MSBUILD% "%dir%\pythoncore.vcxproj" /t:KillPython %verbose% /p:PlatformToolset=%vs_toolset%^
-  /p:Configuration=%conf% /p:Platform=%platf%^
-  /p:KillPython=true
-
-@@ -130,7 +130,7 @@
- rem batch is, shall we say, "lackluster"
- echo on
- %MSBUILD% "%dir%pcbuild.proj" /t:%target% %parallel% %verbose%^
-- /p:Configuration=%conf% /p:Platform=%platf%^
-+ /p:Configuration=%conf% /p:Platform=%platf% /p:PlatformToolset=%vs_toolset%^
-  /p:IncludeExternals=%IncludeExternals%^
-  /p:IncludeSSL=%IncludeSSL% /p:IncludeTkinter=%IncludeTkinter%^
-  /p:UseTestMarker=%UseTestMarker%^
-
---- pcbuild/sqlite3.vcxproj	2015-12-06 18:39:10 -0700
-+++ pcbuild/sqlite3.vcxproj	2016-11-02 09:25:56 -0600
-@@ -43,7 +43,7 @@
-   <Import Project="python.props" />
-   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-   <PropertyGroup Label="Configuration">
--    <ConfigurationType>DynamicLibrary</ConfigurationType>
-+    <ConfigurationType>StaticLibrary</ConfigurationType>
-     <CharacterSet>NotSet</CharacterSet>
-   </PropertyGroup>
-   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
diff --git a/build_files/build_environment/patches/python_apple.diff b/build_files/build_environment/patches/python_apple.diff
deleted file mode 100644
index 34a7906ed6c..00000000000
--- a/build_files/build_environment/patches/python_apple.diff
+++ /dev/null
@@ -1,25 +0,0 @@
---- pyconfig.h.in	2017-09-19 14:41:01.000000000 +0300
-+++ pyconfig.h.in	2017-09-19 14:43:18.000000000 +0300
-@@ -119,12 +119,6 @@
- /* Define to 1 if you have the `clock' function. */
- #undef HAVE_CLOCK
- 
--/* Define to 1 if you have the `clock_getres' function. */
--#undef HAVE_CLOCK_GETRES
--
--/* Define to 1 if you have the `clock_gettime' function. */
--#undef HAVE_CLOCK_GETTIME
--
- /* Define to 1 if you have the `clock_settime' function. */
- #undef HAVE_CLOCK_SETTIME
- 
-@@ -369,9 +363,6 @@
- /* Define this if you have flockfile(), getc_unlocked(), and funlockfile() */
- #undef HAVE_GETC_UNLOCKED
- 
--/* Define to 1 if you have the `getentropy' function. */
--#undef HAVE_GETENTROPY
--
- /* Define to 1 if you have the `getgrouplist' function. */
- #undef HAVE_GETGROUPLIST
- 
diff --git a/build_files/build_environment/patches/python_runtime_vc2013.diff b/build_files/build_environment/patches/python_runtime_vc2013.diff
deleted file mode 100644
index 186d2b36c07..00000000000
--- a/build_files/build_environment/patches/python_runtime_vc2013.diff
+++ /dev/null
@@ -1,29 +0,0 @@
---- _msvccompiler.py.orig	2017-05-20 19:31:45 -0600
-+++ _msvccompiler.py	2017-06-10 10:05:38 -0600
-@@ -222,9 +222,9 @@
-         # use /MT[d] to build statically, then switch from libucrt[d].lib to ucrt[d].lib
-         # later to dynamically link to ucrtbase but not vcruntime.
-         self.compile_options = [
--            '/nologo', '/Ox', '/W3', '/GL', '/DNDEBUG'
-+            '/nologo', '/Ox', '/W3', '/GL', '/DNDEBUG' , '/MD'
-         ]
--        self.compile_options.append('/MD' if self._vcruntime_redist else '/MT')
-+        #self.compile_options.append('/MD' if self._vcruntime_redist else '/MT')
- 
-         self.compile_options_debug = [
-             '/nologo', '/Od', '/MDd', '/Zi', '/W3', '/D_DEBUG'
-@@ -233,11 +233,11 @@
-         ldflags = [
-             '/nologo', '/INCREMENTAL:NO', '/LTCG'
-         ]
--        if not self._vcruntime_redist:
--            ldflags.extend(('/nodefaultlib:libucrt.lib', 'ucrt.lib'))
-+        #if not self._vcruntime_redist:
-+        #    ldflags.extend(('/nodefaultlib:libucrt.lib', 'ucrt.lib'))
- 
-         ldflags_debug = [
--            '/nologo', '/INCREMENTAL:NO', '/LTCG', '/DEBUG:FULL'
-+            '/nologo', '/INCREMENTAL:NO', '/LTCG'
-         ]
- 
-         self.ldflags_exe = [*ldflags, '/MANIFEST:EMBED,ID=1']