#!/bin/bash
# tools/define.sh
#
# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
# 3. Neither the name NuttX 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.
#
#
# Handle command line options
#
progname=$0
wintool=n
usage="USAGE: $progname [-w] [-d] [-h] <compiler-path> <def1>[=val1] [<def2>[=val2] [<def3>[=val3] ...]]"
advice="Try '$progname -h' for more information"
while [ ! -z "$1" ]; do
case $1 in
-d )
set -x
;;
-w )
wintool=y
;;
-h )
echo "$progname is a tool for flexible generation of command line pre-processor"
echo "definitions arguments for a variety of diffent compilers in a variety of"
echo "compilation environments"
echo ""
echo $usage
echo ""
echo "Where:"
echo " <compiler-path>"
echo " The full path to your compiler"
echo " <def1> <def2> [<def3> ..."
echo " A list of pre-preprocesser variable names to be defined."
echo " [=val1] [=val2] [=val3]"
echo " optional values to be assigned to each pre-processor variable."
echo " If not supplied, the variable will be defined with no explicit value."
echo " -w"
echo " The compiler is a Windows native tool and requires Windows"
echo " style pathnames like C:\\Program Files"
echo " -d"
echo " Enable script debug"
;;
* )
break;
;;
esac
shift
done
ccpath=$1
shift
varlist=$@
if [ -z "$ccpath" ]; then
echo "Missing compiler path"
echo $usage
echo $advice
exit 1
fi
if [ -z "$varlist" ]; then
echo "Missing definition list"
echo $usage
echo $advice
exit 1
fi
#
# Most compilers support CFLAG options like '-D<defn>' to add pre-processor
# variable defintions. Some (like the Zilog tools), do not. This script
# makes the selection of pre-processor definitions compiler independent.
#
# Below are all known compiler names (as found in the config/*/*/Make.defs
# files). If a new compiler is used that has some unusual syntax, then
# additional logic needs to be added to this file.
#
# NAME Syntax
# $(CROSSDEV)gcc -D<def1> -D<def2> -D<def3> ...
# sdcc -D<def2> -D<def2> -D<def3> ...
# $(ZDSBINDIR)/ez8cc.exe -define:<def1> -define:<def2> -define:<def3> ...
# $(ZDSBINDIR)/zneocc.exe -define:<def1> -define:<def2> -define:<def3> ...
# $(ZDSBINDIR)/ez80cc.exe -define:<def1> -define:<def2> -define:<def3> ...
#
os=`uname -o 2>/dev/null || echo "Other"`
#
# Let's assume that all GCC compiler paths contain the string gcc and
# no non-GCC compiler pathes include this substring
#
gcc=`echo $ccpath | grep gcc`
sdcc=`echo $ccpath | grep sdcc`
if [ "X$os" = "XCygwin" ]; then
#
# We can treat Cygwin native toolchains just like Linux native
# toolchains in the Linux. Let's assume:
# 1. GCC or SDCC are the only possible Cygwin native compilers
# 2. If this is a Window native GCC version, then -w provided
# on the command line (wintool=y)
if [ -z "$gcc" -a -z "$sdcc" ]; then
#
# Not GCC or SDCC, must be Windows native
#
compiler=`cygpath -u "$ccpath"`
else
if [ "X$wintool" == "Xy" ]; then
#
# It is a native GCC or SDCC compiler
#
compiler=`cygpath -u "$ccpath"`
else
#
# GCC or SDCC and not for Windows
#
compiler="$ccpath"
fi
fi
else
#
# Otherwise, we must be in a Linux environment where there are
# only Linux native toolchains
#
compiler="$ccpath"
fi
exefile=`basename "$compiler"`
# Check for some well known, non-GCC Windows native tools that require
# a special output format as well as special paths
if [ "X$exefile" = "Xez8cc.exe" -o "X$exefile" = "Xzneocc.exe" -o "X$exefile" = "Xez80cc.exe" ]; then
fmt=define
else
fmt=std
fi
# Now process each definition in the definition list
unset response
for vardef in $varlist; do
varname=`echo $vardef | cut -d'=' -f1`
if [ "X$varname" != "X$vardef" ]; then
varvalue=`echo $vardef | cut -d'=' -f2`
else
unset varvalue
fi
# Handle the output depending on if there is a value for the variable or not
if [ -z "$varvalue" ]; then
# Handle the output using the selected format
if [ "X$fmt" = "Xdefine" ]; then
# Treat the first definition differently
if [ -z "$response" ]; then
response="-define:"$varname
else
response=$response" -define:$varname"
fi
else
# Treat the first definition differently
if [ -z "$response" ]; then
response=-D$varname
else
response=$response" -D$varname"
fi
fi
else
# Handle the output using the selected format
if [ "X$fmt" = "Xdefine" ]; then
# Treat the first definition differently
if [ -z "$response" ]; then
response="-define:"$varname=$varvalue
else
response=$response" -define:$varname=$varvalue"
fi
else
# Treat the first definition differently
if [ -z "$response" ]; then
response=-D$varname=$varvalue
else
response=$response" -D$varname=$varvalue"
fi
fi
fi
done
echo $response
