* make.1: Document the -E and --eval options. * doc/make.texi: Document the -E option. * tests/scripts/options/eval: Test the -E option and MAKEFILES. * NEWS: Add information about the new option.
We are restarting with the original command line flags, so if we set MAKEFLAGS as well that will cause double flags.
evaluated as a makefile statement before the first makefile is read.