configure

#!/bin/bash
#==================================================================================================
#
#  Configuration script for the Blaze library
#
#  Copyright (C) 2013 Klaus Iglberger - All Rights Reserved
#
#  This file is part of the Blaze library. You can redistribute it and/or modify it under
#  the terms of the New (Revised) BSD License. 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 names of the Blaze development group 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 HOLDER 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.
#
#==================================================================================================


#######################################
# Parsing the command line arguments

# Checking the number of command line arguments
if [ $# -ge 2 ]; then
   echo "Invalid use of the Blaze configuration script. Type './configure -h' to display the help."
   exit 1
fi

# Printing the help
if test "$1" = "--help" || test "$1" = "-help" || test "$1" = "-h"; then
   echo
   echo "Usage: ./configure [<config_file>]"
   echo
   echo "Configuration of the compilation process of the Blaze library. The system-specific"
   echo "settings are specified via the given configuration file <config_file>. In case no"
   echo "<config_file> is specified, the settings of the default 'Configfile' are used."
   echo
   echo "Options:"
   echo " -h, -help, --help  Displays this information"
   echo
   exit 0
fi


#####################################
# Selecting the configuration file

CONFIGFILE="Configfile"

if [ $# = 1 ]; then
   if [ ! -f "$1" ]; then
      echo "Config file '$1' cannot be found."
      exit 1
   else
      CONFIGFILE="$1"
   fi
fi

source $CONFIGFILE


##########################
# Checking the settings

# Checking the version settings
if test $VERSION != "debug" && test $VERSION != "release"; then
   echo "Invalid version settings. Possible options are 'debug' and 'release'."
   exit 1
fi

# Checking the library settings
if test $LIBRARY != "static" && test $LIBRARY != "shared" && test $LIBRARY != "both"; then
   echo "Invalid library settings. Possible options are 'static', 'shared' and 'both'."
   exit 1
fi


############################
# Blaze specific settings

INSTALL_PATH="$( cd "$( dirname "$0" )" && pwd )"

AR="ar crus"
LIBDIR="\$(INSTALL_PATH)/lib"
STATIC_LIB="libblaze.a"
SHARED_LIB="libblaze.so"

UTILDIR="\$(INSTALL_PATH)/src/util"
DOCDIR="\$(INSTALL_PATH)/doc"


############################
# Generating the Makefile

if test $VERSION = "debug"; then
   if [[ ! "$CXXFLAGS" =~ "-g" ]]; then
      CXXFLAGS="$CXXFLAGS -g"
   fi
else
   if [[ ! "$CXXFLAGS" =~ "-DNDEBUG" ]]; then
      CXXFLAGS="$CXXFLAGS -DNDEBUG"
   fi
fi
if test $LIBRARY = "shared" || test $LIBRARY = "both"; then
   CXXFLAGS="$CXXFLAGS -fPIC"
fi

if test $LIBRARY = "static"; then
   LIBS="static"
fi
if test $LIBRARY = "shared"; then
   LIBS="shared"
fi
if test $LIBRARY = "both"; then
   LIBS="static shared"
fi

LIBRARIES=$LIBRARY_DIRECTIVES

BOOST_LIBRARY_PATH=${BOOST_LIBRARY_PATH%"/"}
if [ -n "$BOOST_LIBRARY_PATH" ] && [[ ! "$LIBRARIES" =~ "$BOOST_LIBRARY_PATH " ]]; then
   LIBRARIES="${LIBRARIES%" "} -L$BOOST_LIBRARY_PATH "
fi

BOOST_SYSTEM_LIBRARY=${BOOST_SYSTEM_LIBRARY#"lib"}
if [ -n "$BOOST_SYSTEM_LIBRARY" ]; then
   LIBRARIES="${LIBRARIES%" "} -l$BOOST_SYSTEM_LIBRARY"
else
   LIBRARIES="${LIBRARIES%" "} -lboost_system"
fi

BOOST_THREAD_LIBRARY=${BOOST_THREAD_LIBRARY#"lib"}
if [ -n "$BOOST_THREAD_LIBRARY" ]; then
   LIBRARIES="${LIBRARIES%" "} -l$BOOST_THREAD_LIBRARY"
else
   LIBRARIES="${LIBRARIES%" "} -lboost_thread"
fi

LIBRARIES=${LIBRARIES%" "}

MODULES="util"

cat > Makefile <<EOF
#==================================================================================================
#
#  Makefile for the Blaze library
#
#  Copyright (C) 2013 Klaus Iglberger - All Rights Reserved
#
#  This file is part of the Blaze library. You can redistribute it and/or modify it under
#  the terms of the New (Revised) BSD License. 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 names of the Blaze development group 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 HOLDER 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.
#
#==================================================================================================


# Compiler configuration
export CXX      = $CXX
export CXXFLAGS = $CXXFLAGS

# Exporting the installation path and object path
export INSTALL_PATH = $INSTALL_PATH
export OBJECT_PATH  = $INSTALL_PATH/obj

# Exporting the boost include path
export BOOST_INCLUDE_PATH = $BOOST_INCLUDE_PATH
EOF

cat >> Makefile <<EOF


# Build rules
default: $LIBS
	@echo

static: $MODULES
	@echo
	@echo "Creating static library"
	@$AR $LIBDIR/$STATIC_LIB \$(OBJECT_PATH)/*.o
	@echo "... finished!"

shared: $MODULES
	@echo
	@echo "Creating shared library"
	@\$(CXX) -shared -o $LIBDIR/$SHARED_LIB \$(OBJECT_PATH)/*.o $LIBRARIES
	@echo "... finished!"

util:
	@echo
	@echo "Setup of the utility module..."
	@\$(MAKE) --no-print-directory -C $UTILDIR
	@echo "...Setup of the utility module complete!"


# Clean up rules
clean:
	@echo "Cleaning up..."
	@\$(MAKE) --no-print-directory -C $UTILDIR clean
	@\$(RM) $LIBDIR/$STATIC_LIB $LIBDIR/$SHARED_LIB \$(OBJECT_PATH)/*.o


# Doxygen documentation
doc:
	@doxygen Doxyfile

doc_clean:
	@\$(RM) -r $DOCDIR/html/ $DOCDIR/latex/


# Setting the independent commands
.PHONY: default clean doc doc_clean
EOF


#######################################
# Clearing the object file directory

rm -f obj/*