[cmake-developers] GHS: RELEASE flags being used when CMAKE_BUILD_TYPE is empty

[frodak]

Hello,

I ran into an issue with the Green Hills MULTI generator when the
CMAKE_BUILD_TYPE is not set.  The project files have have '-O' enabled when
compiling the software.  Looking at the generator source code I saw that it
would use the RELEASE mode flags when CMAKE_BUILD_TYPE is empty.

Based upon the CMAKE documentation it seems to me that this is incorrect
behavior and that if CMAKE_BUILD_TYPE is not specified then only
CMAKE_<LANG>_FLAGS should be used.

Before opening an issue report I wanted to make sure that my understanding
of these variables is correct.

Best regards,
Fred Baksik
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