Merge pull request #2826 from metalefty/v0.9-no-c99 #1544

Job	Run time
cppcheck	1m 59s
min features with gcc	1m 12s
min features with g++	1m 22s
min features with clang	1m 16s
code formatting check	18s
max features with gcc	2m 41s
max features with g++	3m 17s
max features with clang	3m 18s
max features with gcc and DEBUG	1m 33s
max features with gcc for 32-bit arch (legacy OS)	2m 11s
max features with g++ for 32-bit arch (legacy OS)	2m 15s
max features with clang for 32-bit arch (legacy OS)	2m 35s
	23m 57s

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