Config

#!/bin/sh
echo2 () {
	$ECHO2 "$*$ECHO2SUF" # these are defined later
}

exists () { # because some shells don't have test -e
	if [ -f $1 -o -d $1 -o -p $1 -o -c $1 -o -b $1 ] ; then
		return 0
	else
		return 1
	fi
}

Load_Cache () {
	if [ -f $SOURCE_DIR/config.cache -a -r $SOURCE_DIR/config.cache -a ! "$IGNORE_CACHE" ] ; then
		echo "Using defaults from config.cache. To ignore, $SOURCE_DIR/Config -nocache"
		echo ""
		. $SOURCE_DIR/config.cache
		CAN_QUICK="yes"
	else
		CAN_QUICK="no"
	fi
}

Run_Build_System () {
	WITH_INST=""
	RUN_CC_PL=""
	BUILD_TYPE=""
	GEN_TYPE=""
	P_MODE=""

	if [ "$INSTDIR" != "" ] ; then
		WITH_INST="-DINSTDIR:STRING=$INSTDIR"
	fi

	if [ "$USE_RUN_CC_PL" = "yes" ] ; then
		RUN_CC_PL="-DUSE_RUN_CC_PL:BOOLEAN=ON"
	else
		RUN_CC_PL="-DUSE_RUN_CC_PL:BOOLEAN=OFF"
	fi

	if [ "$PARANOID" = "yes" ] ; then
		P_MODE="-DUSE_PARANOID:BOOLEAN=ON"
	else
		P_MODE="-DUSE_PARANOID:BOOLEAN=OFF"
	fi

	if [ "$DEBUG" = "yes" ] ; then
		BUILD_TYPE="-DCMAKE_BUILD_TYPE:STRING=DEBUG"
	else
		BUILD_TYPE="-DCMAKE_BUILD_TYPE:STRING=RELEASE"
	fi

	case `uname -s` in
		MINGW*)
			GEN_TYPE="-G\"MSYS Makefiles\""
			;;
	esac

	if [ "$SOURCE_DIR" = "." ] ; then
		pwdsave=`pwd`
		test -d build || mkdir build
		cd "build"
		REAL_SOURCE_DIR=".."
	else
		REAL_SOURCE_DIR="$SOURCE_DIR"
	fi

	echo "cmake $GEN_TYPE $WITH_INST $BUILD_TYPE $P_MODE $RUN_CC_PL $EXTRA_CONFIG_ARGS $REAL_SOURCE_DIR"

	cmake $GEN_TYPE $WITH_INST $BUILD_TYPE $RUN_CC_PL $P_MODE $EXTRA_CONFIG_ARGS $REAL_SOURCE_DIR

	echo ""
	echo "Now cd build and run make to build ANT."
}

ECHO2SUF=''
if [ "`echo -n a ; echo -n b`" = "ab" ] ; then
	ECHO2='echo -n'
elif [ "`echo 'a\c' ; echo 'b\c'`" = "ab" ] ; then
	ECHO2='echo' ; ECHO2SUF='\c'
elif [ "`printf 'a' 2>&1 ; printf 'b' 2>&1`" = "ab" ] ; then
	ECHO2='printf "%s"'
else
	# oh well...
	ECHO2='echo'
fi
export ECHO2 ECHO2SUF

###########################################################################
# Init values
###########################################################################

INSTDIR=$HOME/ant
USE_RUN_CC_PL="no"
PARANOID="no"
DEBUG="yes"
EXTRA_CONFIG_ARGS=
CAN_QUICK="no"
SOURCE_DIR=`dirname $0`

###########################################################################
# Check out the options
###########################################################################

while [ $# -ge 1 ] ; do
	if [ $1 = "--help" ] ; then
		echo "Config utility for ANT"
		echo "------------------------"
		echo "Syntax: ./Config [options]"
		echo "-nocache     Ignore settings saved in config.cache"
		echo "-quick       Skip questions, go straight to cmake"
		exit 0
	elif [ $1 = "-nocache" ] ; then
		IGNORE_CACHE="1"
	elif [ $1 = "-nointro" ] ; then
		NO_INTRO="1"
	elif [ $1 = "-quick" -o $1 = "-q" ] ; then
		Load_Cache
		if [ "$CAN_QUICK" = "yes" ] ; then
			Run_Build_System
		else
			echo ""
			echo "Can't find cache file (config.cache), aborting..."
		fi
		exit 0
	fi
	shift 1
done

echo "Beginning ANT compile configuration."
echo ""

###########################################################################
# Load the cache
###########################################################################

if [ ! "$IGNORE_CACHE" ] ; then
	Load_Cache
fi

# Ask the user anything we need to know ahead of time.

export ok INPUT

####

ok=0
echo "In what directory do you want the binaries to be installed?"
while [ $ok -eq 0 ] ; do
	echo2 "[$INSTDIR] "
	if read INPUT ; then : ; else echo "" ; exit 1 ; fi
	if [ ! "$INPUT" ] ; then
		INPUT=$INSTDIR
	fi
	if [ ! -d "$INPUT" ] ; then
		if exists "$INPUT" ; then
			echo "$INPUT exists, but is not a directory!"
		else
			echo "$INPUT does not exist.  Create it?"
			echo2 "[y] "
			read YN
			if [ "$YN" != "n" ] ; then
				if mkdir -p $INPUT ; then
					ok=1
				fi
			fi
		fi
	elif exists "$INPUT/include/module.h" ; then
		echo "You cannot use ANT's source directory as a target directory."
	else
		ok=1
	fi
done
INSTDIR=$INPUT
echo ""

####

TEMP_YN="n"
if [ "$USE_RUN_CC_PL" = "yes" ] ; then
	TEMP_YN="y"
fi
echo "You can optionally have the build run through run-cc.pl, which will"
echo "cause warnings and errors (if any) to be colored yellow and red,"
echo "respectively. This relies on Perl being installed, so if you say yes"
echo "to this without Perl, the option will be ignored."
echo "NOTE: If you are using MinGW, it is NOT recommended to say yes to"
echo "this, it may fail."
echo "Would you like to utilize run-cc.pl?"
echo2 "[$TEMP_YN] "
read YN
if [ "$YN" ] ; then
	if [ "$YN" = "y" ] ; then
		USE_RUN_CC_PL="yes"
	else
		USE_RUN_CC_PL="no"
	fi
fi
echo ""

####

TEMP_YN="n"
if [ "$DEBUG" = "yes" ] ; then
	TEMP_YN="y"
fi
echo "Would you like to build a debug version of ANT?"
echo2 "[$TEMP_YN] "
read YN
if [ "$YN" ] ; then
	if [ "$YN" = "y" ] ; then
		DEBUG="yes"
	else
		DEBUG="no"
	fi
fi
echo ""

####

TEMP_YN="n"
if [ "$PARANOID" = "yes" ] ; then
	TEMP_YN="y"
fi
echo "Would you like to enable paranoid build mode?"
echo2 "[$TEMP_YN] "
read YN
if [ "$YN" ] ; then
	if [ "$YN" = "y" ] ; then
		PARANOID="yes"
	else
		PARANOID="no"
	fi
fi
echo ""

####

echo "Are there any extra arguments you wish to pass to cmake?"
echo "You may only need to do this if cmake is unable to locate"
echo "missing dependencies without hints."
echo "You can do this by: -DEXTRA_INCLUDE:STRING=/path/to/files;/path/to/more/files"
echo2 "[$EXTRA_CONFIG_ARGS] "
if read INPUT ; then : ; else echo "" ; exit 1 ; fi
if [ "$INPUT" ] ; then
  EXTRA_CONFIG_ARGS=$INPUT
fi
echo ""

####

################################################################################
# Store values
################################################################################

echo2 "Saving configuration results in config.cache... "

cat <<EOT >$SOURCE_DIR/config.cache
INSTDIR="$INSTDIR"
PARANOID="$PARANOID"
DEBUG="$DEBUG"
USE_RUN_CC_PL="$USE_RUN_CC_PL"
EXTRA_CONFIG_ARGS="$EXTRA_CONFIG_ARGS"
EOT
echo "done."


################################################################################
# Build the build system string
################################################################################

Run_Build_System