Merge pull request #2827 from matt335672/devredir_use_spec #1555

Job	Run time
code formatting check	28s
cppcheck	2m 13s
min features with gcc	3m 42s
min features with g++	3m 52s
min features with clang	2m 59s
max features with gcc	3m 42s
max features with g++	2m 52s
max features with clang	4m 59s
max features with gcc and DEBUG	3m 3s
max features with gcc for 32-bit arch (legacy OS)	2m 33s
max features with g++ for 32-bit arch (legacy OS)	2m 5s
max features with clang for 32-bit arch (legacy OS)	2m 1s
	34m 29s

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