Rakefiles: improve (fix) Mercurial config reading on Windows
This commit improves reading of mercurial config on Windows by reading
all files and directories as documented in `hg help config` and also
read TortoiseHg's specific `<install-dir>/defaultrc`. This fixes CI
when using recent(ish) TortoiseHg.
#------------------ start of linux-elf/COMMON/defines ---------------------
#
# $Header: /cvs/stx/stx/configurations/linux-elf/COMMON/defines,v 1.92 2016-07-19 19:56:46 stefan Exp $
include $(MAKELIB)/config.make
CCARCHCOMMONOPT=-DELF
#RELOCINSTVARS=+relocInstvars
INTERN_H=linuxIntern.h
CPUINTERN_H=$(INCLUDE)/linuxIntern.h
OS=-DLINUX
MAKEFILE_EXTENSION=linux-elf
SETUP_RULE=setup_linux