gfx message use posix shm #67

Job	Run time
code formatting check	33s
cppcheck	5m 12s
min features with gcc	1m 24s
min features with g++	1m 4s
min features with clang	1m 39s
max features with gcc	2m 39s
max features with g++	55s
max features with clang	2m 46s
max features with gcc and DEBUG	1m 30s
max features with gcc for 32-bit arch (legacy OS)	2m 45s
max features with g++ for 32-bit arch (legacy OS)	2m 15s
max features with clang for 32-bit arch (legacy OS)	2m 9s
	24m 51s

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