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--- a/CMakeLists.txt	2019-03-08 18:39:47.000000000 +0100
+++ b/CMakeLists.txt	2019-05-21 23:20:50.964082298 +0200
@@ -5,19 +5,6 @@
 option(PTEX_BUILD_SHARED_LIBS "Enable building Ptex shared libraries" ON)
 option(PRMAN_15_COMPATIBLE_PTEX "Enable PRMan 15 compatibility" OFF)
 
-if (DEFINED ENV{CXXFLAGS_STD})
-    if ($ENV{CXXFLAGS_STD} STREQUAL "c++17")
-        set(CMAKE_CXX_STANDARD 17)
-    elseif ($ENV{CXXFLAGS_STD} STREQUAL "c++14")
-        set(CMAKE_CXX_STANDARD 14)
-    elseif ($ENV{CXXFLAGS_STD} STREQUAL "c++11")
-        set(CMAKE_CXX_STANDARD 11)
-    else ()
-        set(CMAKE_CXX_STANDARD 98)
-    endif ()
-else ()
-    set(CMAKE_CXX_STANDARD 98)
-endif ()
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_FIND_PACKAGE_RESOLVE_SYMLINKS ON)
 set(CMAKE_INSTALL_MESSAGE LAZY) # Silence "Up-to-date:" install messages