Add print information about the compiler and add C flags to be std11

cyang-kth / fmm

Fast map matching, an open source framework in C++

https://fmm-wiki.github.io/

Apache License 2.0

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Closed cyang-kth closed 3 years ago

cyang-kth commented 3 years ago

On some old system, the CC used for build h3 does not activate the std11 flag.

cyang-kth commented 3 years ago

It seems that this line should be added for some old Ubuntu system:

set(CMAKE_C_FLAGS "-std=c11")

cyang-kth commented 3 years ago

This issue is due to the too old version of cmake<3.0, which is skipped.