make-system-detect

##############################################################################
# GSL Shell Makefile System detection. Requires GNU Make.
#
# Suitable for POSIX platforms (Linux, *BSD, OSX etc.).
# Also works with MinGW and Cygwin on Windows.
# Please check msvcbuild.bat for building with MSVC on Windows.
#
# Taken from LuaJIT2
#
# Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
##############################################################################

ifneq (,$(findstring Windows,$(OS)))
  HOST_SYS= Windows
else
  HOST_SYS:= $(shell uname -s)
  ifneq (,$(findstring CYGWIN,$(TARGET_SYS)))
    HOST_SYS= Windows
  endif
endif

HOST_RM= rm -f
HOST_CP= cp