diff --git a/build_files/build_environment/cmake/jpeg.cmake b/build_files/build_environment/cmake/jpeg.cmake
index 47f526e..d67574d 100644
--- a/build_files/build_environment/cmake/jpeg.cmake
+++ b/build_files/build_environment/cmake/jpeg.cmake
@@ -18,7 +18,10 @@
 
 if(WIN32)
   # cmake for windows
-  set(JPEG_EXTRA_ARGS -DNASM=${NASM_PATH} -DWITH_JPEG8=ON  -DCMAKE_DEBUG_POSTFIX=d)
+  set(JPEG_EXTRA_ARGS
+    -DNASM=${NASM_PATH}
+    -DWITH_JPEG8=ON
+    -DCMAKE_DEBUG_POSTFIX=d)
 
   ExternalProject_Add(external_jpeg
     URL ${JPEG_URI}
@@ -42,20 +45,17 @@ if(WIN32)
     set(JPEG_LIBRARY jpeg-staticd${LIBEXT})
   endif()
 else(WIN32)
-  # autoconf for unix
-  if(APPLE)
-    set(JPEG_EXTRA_ARGS --host x86_64-apple-darwin --with-jpeg8)
-  else()
-    set(JPEG_EXTRA_ARGS --with-jpeg8)
-  endif()
+  # cmake for unix
+  set(JPEG_EXTRA_ARGS
+    -DWITH_JPEG8=ON
+    -DENABLE_STATIC=ON
+    -DENABLE_SHARED=OFF
+    -DCMAKE_INSTALL_LIBDIR=${LIBDIR}/jpg/lib)
 
   ExternalProject_Add(external_jpeg
     URL ${JPEG_URI}
     DOWNLOAD_DIR ${DOWNLOAD_DIR}
     URL_HASH MD5=${JPEG_HASH}
-    CONFIGURE_COMMAND ${CONFIGURE_ENV} && autoreconf -fiv && ${CONFIGURE_COMMAND} --prefix=${LIBDIR}/jpg NASM=yasm ${JPEG_EXTRA_ARGS}
-    BUILD_IN_SOURCE 1
-    BUILD_COMMAND ${CONFIGURE_ENV} && make install
     PREFIX ${BUILD_DIR}/jpg
     CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/jpg ${DEFAULT_CMAKE_FLAGS} ${JPEG_EXTRA_ARGS}
     INSTALL_DIR ${LIBDIR}/jpg
diff --git a/build_files/build_environment/cmake/openal.cmake b/build_files/build_environment/cmake/openal.cmake
index 44f6cdf..315f2e8 100644
--- a/build_files/build_environment/cmake/openal.cmake
+++ b/build_files/build_environment/cmake/openal.cmake
@@ -52,7 +52,6 @@ if(BUILD_MODE STREQUAL Release)
     PREFIX ${BUILD_DIR}/openal
     CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/openal ${DEFAULT_CMAKE_FLAGS} ${OPENAL_EXTRA_ARGS}
     INSTALL_DIR ${LIBDIR}/openal
-    PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/openal/src/external_openal < ${PATCH_DIR}/openal.diff
   )
 
   if(WIN32)
diff --git a/build_files/build_environment/cmake/openimageio.cmake b/build_files/build_environment/cmake/openimageio.cmake
index 27e04a1..0d5b8a4 100644
--- a/build_files/build_environment/cmake/openimageio.cmake
+++ b/build_files/build_environment/cmake/openimageio.cmake
@@ -45,6 +45,7 @@ if(WITH_WEBP)
     -DWEBP_LIBRARY=${LIBDIR}/webp/lib/${LIBPREFIX}webp${LIBEXT}
   )
   set(WEBP_DEP external_webp)
+else()
 endif()
 
 if(MSVC)
@@ -57,12 +58,12 @@ if(MSVC)
 else()
   set(OPENJPEG_FLAGS
     -DOPENJPEG_INCLUDE_DIR=${LIBDIR}/openjpeg/include/openjpeg-${OPENJPEG_SHORT_VERSION}
-    -DOPENJPEG_LIBRARY=${LIBDIR}/openjpeg/lib/${OPENJPEG_LIBRARY}
+    -DOPENJPEG_LIBRARIES=${LIBDIR}/openjpeg/lib/${OPENJPEG_LIBRARY}
   )
 endif()
 
 set(OPENIMAGEIO_EXTRA_ARGS
-  -DBUILDSTATIC=ON
+  -DBUILD_SHARED_LIBS=OFF
   ${OPENIMAGEIO_LINKSTATIC}
   -DOPENEXR_INCLUDE_DIR=${LIBDIR}/openexr/include/openexr/
   -DOPENEXR_ILMIMF_LIBRARIES=${LIBDIR}/openexr/lib/IlmImf${OPENEXR_VERSION_POSTFIX}${LIBEXT}
@@ -76,21 +77,18 @@ set(OPENIMAGEIO_EXTRA_ARGS
   -OIIO_BUILD_CPP11=ON
   -DUSE_OPENGL=OFF
   -DUSE_TBB=OFF
-  -DUSE_FIELD3D=OFF
+  -DENABLE_FIELD3D=OFF
   -DUSE_QT=OFF
   -DUSE_PYTHON=OFF
-  -DUSE_GIF=OFF
+  -DENABLE_GIF=OFF
   -DUSE_OPENCV=OFF
-  -DUSE_OPENSSL=OFF
   -DUSE_OPENJPEG=ON
-  -DUSE_FFMPEG=OFF
-  -DUSE_PTEX=OFF
+  -DENABLE_FFMPEG=OFF
+  -DENABLE_PTEX=OFF
   -DUSE_FREETYPE=OFF
-  -DUSE_LIBRAW=OFF
-  -DUSE_PYTHON=OFF
-  -DUSE_PYTHON3=OFF
-  -DUSE_OCIO=OFF
-  -DUSE_WEBP=${WITH_WEBP}
+  -DENABLE_LIBRAW=OFF
+  -DUSE_OPENCOLORIO=OFF
+  -DENABLE_WEBP=${WITH_WEBP}
   -DOIIO_BUILD_TOOLS=${OIIO_TOOLS}
   -DOIIO_BUILD_TESTS=OFF
   -DBUILD_TESTING=OFF
@@ -103,7 +101,6 @@ set(OPENIMAGEIO_EXTRA_ARGS
   -DJPEG_LIBRARY=${LIBDIR}/jpg/lib/${JPEG_LIBRARY}
   -DJPEG_INCLUDE_DIR=${LIBDIR}/jpg/include
   ${OPENJPEG_FLAGS}
-  -DOCIO_PATH=${LIBDIR}/opencolorio/
   -DOpenEXR_USE_STATIC_LIBS=On
   -DOPENEXR_HOME=${LIBDIR}/openexr/
   -DILMBASE_INCLUDE_PATH=${LIBDIR}/openexr/
diff --git a/build_files/build_environment/cmake/versions.cmake b/build_files/build_environment/cmake/versions.cmake
index d1e729a..dd0e61b 100644
--- a/build_files/build_environment/cmake/versions.cmake
+++ b/build_files/build_environment/cmake/versions.cmake
@@ -20,17 +20,17 @@ set(ZLIB_VERSION 1.2.11)
 set(ZLIB_URI https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz)
 set(ZLIB_HASH 1c9f62f0778697a09d36121ead88e08e)
 
-set(OPENAL_VERSION 1.18.2)
+set(OPENAL_VERSION 1.19.1)
 set(OPENAL_URI http://openal-soft.org/openal-releases/openal-soft-${OPENAL_VERSION}.tar.bz2)
-set(OPENAL_HASH d4eeb0889812e2fdeaa1843523d76190)
+set(OPENAL_HASH af6f148c342276a51ea9c33ebd303f78)
 
-set(PNG_VERSION 1.6.35)
+set(PNG_VERSION 1.6.37)
 set(PNG_URI http://prdownloads.sourceforge.net/libpng/libpng-${PNG_VERSION}.tar.xz)
-set(PNG_HASH 678b7e696a62a193ed3503b04bf449d6)
+set(PNG_HASH 015e8e15db1eecde5f2eb9eb5b6e59e9)
 
-set(JPEG_VERSION 1.5.3)
+set(JPEG_VERSION 2.0.3)
 set(JPEG_URI https://github.com/libjpeg-turbo/libjpeg-turbo/archive/${JPEG_VERSION}.tar.gz)
-set(JPEG_HASH 5b7549d440b86c98a517355c102d155e)
+set(JPEG_HASH 46f1c49a9a5d4c1a6bfe8371de030087)
 
 set(BOOST_VERSION 1.70.0)
 set(BOOST_VERSION_NODOTS 1_70_0)
@@ -70,11 +70,11 @@ set(FREETYPE_VERSION 2.10.1)
 set(FREETYPE_URI http://prdownloads.sourceforge.net/freetype/freetype-${FREETYPE_VERSION}.tar.gz)
 set(FREETYPE_HASH c50a3c9e5e62bdc938a6e1598a782947)
 
-set(GLEW_VERSION 1.13.0)
+set(GLEW_VERSION 2.1.0)
 set(GLEW_URI http://prdownloads.sourceforge.net/glew/glew/${GLEW_VERSION}/glew-${GLEW_VERSION}.tgz)
-set(GLEW_HASH 7cbada3166d2aadfc4169c4283701066)
+set(GLEW_HASH b2ab12331033ddfaa50dc39345343980)
 
-set(FREEGLUT_VERSION 3.0.0)
+set(FREEGLUT_VERSION 3.2.1)
 set(FREEGLUT_URI http://pilotfiber.dl.sourceforge.net/project/freeglut/freeglut/${FREEGLUT_VERSION}/freeglut-${FREEGLUT_VERSION}.tar.gz)
 set(FREEGLUT_HASH 90c3ca4dd9d51cf32276bc5344ec9754)
 
@@ -105,17 +105,17 @@ set(OPENSUBDIV_VERSION v3_4_0_RC2)
 set(OPENSUBDIV_Hash f6a10ba9efaa82fde86fe65aad346319)
 set(OPENSUBDIV_URI https://github.com/PixarAnimationStudios/OpenSubdiv/archive/${OPENSUBDIV_VERSION}.tar.gz)
 
-set(SDL_VERSION 2.0.8)
+set(SDL_VERSION 2.0.10)
 set(SDL_URI https://www.libsdl.org/release/SDL2-${SDL_VERSION}.tar.gz)
-set(SDL_HASH 3800d705cef742c6a634f202c37f263f)
+set(SDL_HASH 5a2114f2a6f348bdab5bf52b994811db)
 
 set(OPENCOLLADA_VERSION v1.6.68)
 set(OPENCOLLADA_URI https://github.com/KhronosGroup/OpenCOLLADA/archive/${OPENCOLLADA_VERSION}.tar.gz)
 set(OPENCOLLADA_HASH ee7dae874019fea7be11613d07567493)
 
-set(OPENCOLORIO_VERSION 1.1.0)
+set(OPENCOLORIO_VERSION 1.1.1)
 set(OPENCOLORIO_URI https://github.com/imageworks/OpenColorIO/archive/v${OPENCOLORIO_VERSION}.tar.gz)
-set(OPENCOLORIO_HASH 802d8f5b1d1fe316ec5f76511aa611b8)
+set(OPENCOLORIO_HASH 23d8b9ac81599305539a5a8674b94a3d)
 
 set(LLVM_VERSION 9.0.1)
 set(LLVM_URI https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/llvm-${LLVM_VERSION}.src.tar.xz)
@@ -127,13 +127,13 @@ set(CLANG_HASH 13468e4a44940efef1b75e8641752f90)
 set(OPENMP_URI https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/openmp-${LLVM_VERSION}.src.tar.xz)
 set(OPENMP_HASH 6eade16057edbdecb3c4eef9daa2bfcf)
 
-set(OPENIMAGEIO_VERSION 1.8.13)
+set(OPENIMAGEIO_VERSION 2.1.10.1)
 set(OPENIMAGEIO_URI https://github.com/OpenImageIO/oiio/archive/Release-${OPENIMAGEIO_VERSION}.tar.gz)
-set(OPENIMAGEIO_HASH f5526c3c9878029ee900d84856683f93)
+set(OPENIMAGEIO_HASH 5c149cd6e21ec523a83127b69cc780c6)
 
-set(TIFF_VERSION 4.0.9)
+set(TIFF_VERSION 4.1.0)
 set(TIFF_URI http://download.osgeo.org/libtiff/tiff-${TIFF_VERSION}.tar.gz)
-set(TIFF_HASH 54bad211279cc93eb4fca31ba9bfdc79)
+set(TIFF_HASH 2165e7aba557463acc0664e71a3ed424)
 
 set(OSL_VERSION 1.10.9)
 set(OSL_URI https://github.com/imageworks/OpenShadingLanguage/archive/Release-${OSL_VERSION}.tar.gz)
@@ -180,13 +180,13 @@ set(THEORA_VERSION 1.1.1)
 set(THEORA_URI http://downloads.xiph.org/releases/theora/libtheora-${THEORA_VERSION}.tar.bz2)
 set(THEORA_HASH b6ae1ee2fa3d42ac489287d3ec34c5885730b1296f0801ae577a35193d3affbc)
 
-set(FLAC_VERSION 1.3.2)
+set(FLAC_VERSION 1.3.3)
 set(FLAC_URI http://downloads.xiph.org/releases/flac/flac-${FLAC_VERSION}.tar.xz)
-set(FLAC_HASH 91cfc3ed61dc40f47f050a109b08610667d73477af6ef36dcad31c31a4a8d53f)
+set(FLAC_HASH 213e82bd716c9de6db2f98bcadbc4c24c7e2efe8c75939a1a84e28539c4e1748)
 
-set(VPX_VERSION 1.7.0)
+set(VPX_VERSION 1.8.1)
 set(VPX_URI https://github.com/webmproject/libvpx/archive/v${VPX_VERSION}/libvpx-v${VPX_VERSION}.tar.gz)
-set(VPX_HASH 1fec931eb5c94279ad219a5b6e0202358e94a93a90cfb1603578c326abfc1238)
+set(VPX_HASH df19b8f24758e90640e1ab228ab4a4676ec3df19d23e4593375e6f3847dee03e)
 
 set(OPUS_VERSION 1.3.1)
 set(OPUS_URI https://archive.mozilla.org/pub/opus/opus-${OPUS_VERSION}.tar.gz)
@@ -200,7 +200,7 @@ set(XVIDCORE_URI http://downloads.xvid.org/downloads/xvidcore-${XVIDCORE_VERSION
 set(XVIDCORE_HASH 165ba6a2a447a8375f7b06db5a3c91810181f2898166e7c8137401d7fc894cf0)
 
 # This has to be in sync with the version in blenders /extern folder.
-set(OPENJPEG_VERSION 2.3.0)
+set(OPENJPEG_VERSION 2.3.1)
 set(OPENJPEG_SHORT_VERSION 2.3)
 # Use slightly newer commit after release which includes a cmake fix
 set(OPENJPEG_URI https://github.com/uclouvain/openjpeg/archive/66297f07a43.zip)
@@ -210,9 +210,9 @@ set(FAAD_VERSION 2-2.8.8)
 set(FAAD_URI http://downloads.sourceforge.net/faac/faad${FAAD_VERSION}.tar.gz)
 set(FAAD_HASH 28f6116efdbe9378269f8a6221767d1f)
 
-set(FFMPEG_VERSION 4.0.2)
+set(FFMPEG_VERSION 4.2.1)
 set(FFMPEG_URI http://ffmpeg.org/releases/ffmpeg-${FFMPEG_VERSION}.tar.bz2)
-set(FFMPEG_HASH 5576e8a22f80b6a336db39808f427cfb)
+set(FFMPEG_HASH f3cba622990c8ac8a57330f571db1230)
 
 set(FFTW_VERSION 3.3.8)
 set(FFTW_URI http://www.fftw.org/fftw-${FFTW_VERSION}.tar.gz)
@@ -238,7 +238,7 @@ set(HIDAPI_UID 89a6c75dc6f45ecabd4ddfbd2bf5ba6ad8ba38b5)
 set(HIDAPI_URI https://github.com/TheOnlyJoey/hidapi/archive/${HIDAPI_UID}.zip)
 set(HIDAPI_HASH b6e22f6b514f8bcf594989f20ffc46fb)
 
-set(WEBP_VERSION 0.6.1)
+set(WEBP_VERSION 1.0.3)
 set(WEBP_URI https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-${WEBP_VERSION}.tar.gz)
 set(WEBP_HASH b49ce9c3e3e9acae4d91bca44bb85a72)
 
@@ -246,9 +246,9 @@ set(SPNAV_VERSION 0.2.3)
 set(SPNAV_URI http://downloads.sourceforge.net/project/spacenav/spacenav%20library%20%28SDK%29/libspnav%20${SPNAV_VERSION}/libspnav-${SPNAV_VERSION}.tar.gz)
 set(SPNAV_HASH 44d840540d53326d4a119c0f1aa7bf0a)
 
-set(JEMALLOC_VERSION 5.0.1)
+set(JEMALLOC_VERSION 5.2.1)
 set(JEMALLOC_URI https://github.com/jemalloc/jemalloc/releases/download/${JEMALLOC_VERSION}/jemalloc-${JEMALLOC_VERSION}.tar.bz2)
-set(JEMALLOC_HASH 507f7b6b882d868730d644510491d18f)
+set(JEMALLOC_HASH 3d41fbf006e6ebffd489bdb304d009ae)
 
 set(XML2_VERSION 2.9.4)
 set(XML2_URI http://xmlsoft.org/sources/libxml2-${XML2_VERSION}.tar.gz)
@@ -291,13 +291,13 @@ set(LZMA_VERSION 5.2.4)
 set(LZMA_URI https://tukaani.org/xz/xz-${LZMA_VERSION}.tar.bz2)
 set(LZMA_HASH 3313fd2a95f43d88e44264e6b015e7d03053e681860b0d5d3f9baca79c57b7bf)
 
-set(SSL_VERSION 1.1.0i)
+set(SSL_VERSION 1.1.0l)
 set(SSL_URI https://www.openssl.org/source/openssl-${SSL_VERSION}.tar.gz)
-set(SSL_HASH ebbfc844a8c8cc0ea5dc10b86c9ce97f401837f3fa08c17b2cdadc118253cf99)
+set(SSL_HASH 74a2f756c64fd7386a29184dc0344f4831192d61dc2481a93a4c5dd727f41148)
 
-set(SQLITE_VERSION 3.24.0)
-set(SQLITE_URI https://www.sqlite.org/2018/sqlite-src-3240000.zip)
-set(SQLITE_HASH fb558c49ee21a837713c4f1e7e413309aabdd9c7)
+set(SQLITE_VERSION 3.30.1)
+set(SQLITE_URI https://www.sqlite.org/2019/sqlite-src-3300100.zip)
+set(SQLITE_HASH 3dec734206fab0cdceb421021964ff7e3fedf3b0)
 
 set(EMBREE_VERSION 3.8.0)
 set(EMBREE_URI https://github.com/embree/embree/archive/v${EMBREE_VERSION}.zip)
@@ -307,9 +307,9 @@ set(USD_VERSION 19.11)
 set(USD_URI https://github.com/PixarAnimationStudios/USD/archive/v${USD_VERSION}.tar.gz)
 set(USD_HASH 79ff176167b3fe85f4953abd6cc5e0cc)
 
-set(OIDN_VERSION 1.0.0)
+set(OIDN_VERSION 1.1.0)
 set(OIDN_URI https://github.com/OpenImageDenoise/oidn/releases/download/v${OIDN_VERSION}/oidn-${OIDN_VERSION}.src.zip)
-set(OIDN_HASH 19fe67b0164e8f020ac8a4f520defe60)
+set(OIDN_HASH 04396611ebabccb3685c5d7acec4a612)
 
 set(LIBGLU_VERSION 9.0.1)
 set(LIBGLU_URI ftp://ftp.freedesktop.org/pub/mesa/glu/glu-${LIBGLU_VERSION}.tar.xz)
diff --git a/build_files/build_environment/patches/openal.diff b/build_files/build_environment/patches/openal.diff
deleted file mode 100644
index 2c9862b..0000000
--- a/build_files/build_environment/patches/openal.diff
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -Naur external_openal_original/CMakeLists.txt external_openal/CMakeLists.txt
---- external_openal_original/CMakeLists.txt	2016-01-24 20:12:39 -0700
-+++ external_openal/CMakeLists.txt	2018-06-02 12:16:52 -0600
-@@ -885,7 +885,8 @@
- OPTION(ALSOFT_REQUIRE_MMDEVAPI "Require MMDevApi backend" OFF)
- IF(HAVE_WINDOWS_H)
-     # Check MMSystem backend
--    CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0502)
-+    set(CMAKE_REQUIRED_FLAGS "-D_WIN32_WINNT=0x0502")
-+    CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H)
-     IF(HAVE_MMSYSTEM_H)
-         CHECK_SHARED_FUNCTION_EXISTS(waveOutOpen "windows.h;mmsystem.h" winmm "" HAVE_LIBWINMM)
-         IF(HAVE_LIBWINMM)
diff --git a/build_files/build_environment/patches/openimagedenoise.diff b/build_files/build_environment/patches/openimagedenoise.diff
index 7bfc3aa..031f056 100644
--- a/build_files/build_environment/patches/openimagedenoise.diff
+++ b/build_files/build_environment/patches/openimagedenoise.diff
@@ -95,10 +95,10 @@ diff '--ignore-matching-lines=:' -ur '--exclude=*.svn*' -u -r
  
  # Build as shared or static library
 -if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.13.0")
--  option(OIDN_STATIC_LIB "Build Open Image Denoise as a static library.")
+-  option(OIDN_STATIC_LIB "Build Intel(R) Open Image Denoise as a static library.")
 -  mark_as_advanced(CLEAR OIDN_STATIC_LIB)
 -else()
--  set(OIDN_STATIC_LIB OFF CACHE BOOL "Build Open Image Denoise as a static library." FORCE)
+-  set(OIDN_STATIC_LIB OFF CACHE BOOL "Build Intel(R) Open Image Denoise as a static library." FORCE)
 -  mark_as_advanced(OIDN_STATIC_LIB)
 -endif()
 +option(OIDN_STATIC_LIB "Build Open Image Denoise as a static library.")
diff --git a/build_files/build_environment/patches/openimageio_gdi.diff b/build_files/build_environment/patches/openimageio_gdi.diff
index af0c906..6cf7571 100644
--- a/build_files/build_environment/patches/openimageio_gdi.diff
+++ b/build_files/build_environment/patches/openimageio_gdi.diff
@@ -1,26 +1,14 @@
-Index: OpenImageIO/osdep.h
-===================================================================
---- OpenImageIO/osdep.h	(revision 61595)
-+++ OpenImageIO/osdep.h	(working copy)
-@@ -34,6 +34,7 @@
- # define WIN32_LEAN_AND_MEAN
- # define VC_EXTRALEAN
- # define NOMINMAX
-+# define NOGDI
- # include <windows.h>
- #endif
- 
 Index: OpenImageIO/platform.h
 ===================================================================
 --- OpenImageIO/platform.h	(revision 61595)
 +++ OpenImageIO/platform.h	(working copy)
 @@ -77,6 +77,9 @@
- # ifndef NOMINMAX
- #   define NOMINMAX
- # endif
-+# ifndef NOGDI
-+#   define NOGDI
-+# endif
- # include <windows.h>
+ #    ifndef NOMINMAX
+ #        define NOMINMAX
+ #    endif
++#    ifndef NOGDI
++#        define NOGDI
++#    endif
+ #    include <windows.h>
  #endif
  
diff --git a/build_files/build_environment/patches/openimageio_static_libs.diff b/build_files/build_environment/patches/openimageio_static_libs.diff
index 6a2e58b..2501e49 100644
--- a/build_files/build_environment/patches/openimageio_static_libs.diff
+++ b/build_files/build_environment/patches/openimageio_static_libs.diff
@@ -12,11 +12,11 @@ diff -Naur external_openimageio.orig/src/cmake/compiler.cmake external_openimage
 --- external_openimageio.orig/CMakeLists.txt	2018-07-31 23:45:19 -0600
 +++ external_openimageio/CMakeLists.txt	2018-08-17 15:22:56 -0600
 @@ -169,7 +169,7 @@
-   add_subdirectory (src/iinfo)
-   add_subdirectory (src/maketx)
-   add_subdirectory (src/oiiotool)
--  add_subdirectory (src/testtex)
-+# add_subdirectory (src/testtex)
-   add_subdirectory (src/iv)
+     add_subdirectory (src/iinfo)
+     add_subdirectory (src/maketx)
+     add_subdirectory (src/oiiotool)
+-    add_subdirectory (src/testtex)
++#   add_subdirectory (src/testtex)
+     add_subdirectory (src/iv)
  endif ()