vcpkg/ports/pcl/add-gcc-version-check.patch

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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c452ce..2c50b8d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -303,6 +303,10 @@ set(FLANN_USE_STATIC ON)
find_package(FLANN 1.7.0 REQUIRED)
find_package(lz4)
+if(UNIX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0)
+ set (CMAKE_CXX_STANDARD 17)
+endif()
+
# libusb-1.0
option(WITH_LIBUSB "Build USB RGBD-Camera drivers" TRUE)
if(WITH_LIBUSB)