+RC5 +size-statistics tool +small modification to nessie_bc_test (optional free(...

[avr-crypto-lib.git] / gmsl

diff --git a/gmsl b/gmsl
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+# ----------------------------------------------------------------------------
+#
+# 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
+