X-Git-Url: https://git.cryptolib.org/?p=avr-crypto-lib.git;a=blobdiff_plain;f=gmsl;fp=gmsl;h=450f523e941c0ab81d5516e853b7f1e9baedb68e;hp=0000000000000000000000000000000000000000;hb=2aee09dcaf731b4086e7cdb865ee77b2715ce751;hpb=e1624aa020d0cda9e58708ddfff4caa703007b68 diff --git a/gmsl b/gmsl new file mode 100644 index 0000000..450f523 --- /dev/null +++ b/gmsl @@ -0,0 +1,82 @@ +# ---------------------------------------------------------------------------- +# +# GNU Make Standard Library (GMSL) +# +# A library of functions to be used with GNU Make's $(call) that +# provides functionality not available in standard GNU Make. +# +# Copyright (c) 2005-2007 John Graham-Cumming +# +# This file is part of GMSL +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# Neither the name of the John Graham-Cumming nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +# ---------------------------------------------------------------------------- + +# Determine if the library has already been included and if so don't +# bother including it again + +ifndef __gmsl_included + +# Standard definitions for true and false. true is any non-empty +# string, false is an empty string. These are intended for use with +# $(if). + +true := T +false := + +# ---------------------------------------------------------------------------- +# Function: not +# Arguments: 1: A boolean value +# Returns: Returns the opposite of the arg. (true -> false, false -> true) +# ---------------------------------------------------------------------------- +not = $(if $1,$(false),$(true)) + +# Prevent reinclusion of the library + +__gmsl_included := $(true) + +# Try to determine where this file is located. If the caller did +# include /foo/gmsl then extract the /foo/ so that __gmsl gets +# included transparently + +__gmsl_root := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)) + +# If there are any spaces in the path in __gmsl_root then give up + +ifeq (1,$(words $(__gmsl_root))) +__gmsl_root := $(patsubst %gmsl,%,$(__gmsl_root)) +else +__gmsl_root := +endif + +include $(__gmsl_root)__gmsl + +endif # __gmsl_included +