Harmen Stoppels 461eb944bd Don't let runtime env variables of compiler like deps leak into the build environment (#40916) ... * Test that setup_run_environment changes to CC/CXX/FC/F77 are dropped in build env * compilers set in run env shouldn't impact build Adds `drop` to EnvironmentModifications courtesy of @haampie, and uses it to clear modifications of CC, CXX, F77 and FC made by `setup_{,dependent_}run_environment` routines when producing an environment in BUILD context. * comment / style * comment --------- Co-authored-by: Tom Scogland <scogland1@llnl.gov>		2023-11-06 14:30:27 -08:00
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spack	Don't let runtime env variables of compiler like deps leak into the build environment (#40916)	2023-11-06 14:30:27 -08:00