Fix compiler flags for mfem build

LLNL / libROM

Model reduction library with an emphasis on large scale parallelism and linear subspace methods

https://www.librom.net

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Fix compiler flags for mfem build #285

Closed ckendrick closed 5 months ago

ckendrick commented 5 months ago

This fixes an issue in the setup script which caused MFEM to no longer add any additional compiler flags for Debug or Release mode.

User provided CFLAGS and CXXFLAGS are now saved to a temporary copy and unset before compiling MFEM. The user provided flags are passed into MFEM using BASE_FLAGS.