CMake Nightly Date Stamp
Merge topic 'cmake-E-env'

7abd5747 cmake: Add '-E env' command-line tool
Merge topic 'stringapi-crash-cleanup'

c491cb1e Fix some generator crashes on undefined CMAKE_BUILD_TYPE
Merge topic 'gfortran-compressed-modules'

d90be200 Fortran: Add support for GNU >= 4.9 compressed modules (#14975)
Merge branch 'master' into next