RUNME

#!/bin/bash
#
# Copyright (C) 2014 Neil McGill
#
# This software is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This software is distributed in the hope that it will be fun,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this software; if not, write to the Free
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

. ./build/common.sh

help()
{
    cat << %%
Build options:

Usage: $0 [options]

  [--gcc]    Prefer g++ over clang++
  [--clang]  Prefer clang++
%%
}

OPT_GCC=
OPT_CLANG=

read_opts()
{
    while [ "$#" -ne 0 ];
    do
        local option=$1

        case $option in
            -*gcc)
                OPT_GCC="yes"
                export OPT_GCC
                shift
                ;;
            -*clang)
                OPT_CLANG="yes"
                export OPT_CLANG
                shift
                ;;
            *)
                help
                exit 1
                ;;
        esac
    done
}

read_opts $*

rm -f Makefile
cat Makefile.base | sed '/DO NOT DELETE/,$d' > Makefile.tmp
mv Makefile.tmp Makefile
makedepend *.cpp -p .o/ 2>/dev/null

echo "COMPILER_FLAGS=-Werror -g -ggdb3 -O3 -fstack-protector-all -I . -I examples # AUTOGEN" > .Makefile
echo "    " >> .Makefile
echo "CLANG_COMPILER_WARNINGS=-Wall # AUTOGEN" >> .Makefile
echo "GCC_COMPILER_WARNINGS=-Wall # AUTOGEN" >> .Makefile
echo "GXX_COMPILER_WARNINGS=-Wall # AUTOGEN" >> .Makefile

if [[ $OPT_GCC = "yes" ]]; then
    echo "COMPILER_WARNINGS=\$(CLANG_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
    echo "COMPILER_WARNINGS=\$(GXX_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
    echo "COMPILER_WARNINGS=\$(GCC_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
    echo "CXX=g++ # AUTOGEN" >> .Makefile
elif [[ $OPT_CLANG = "yes" ]]; then
    echo "COMPILER_WARNINGS=\$(CLANG_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
    echo "COMPILER_WARNINGS=\$(GXX_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
    echo "COMPILER_WARNINGS=\$(GCC_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
    echo "CXX=clang++ # AUTOGEN" >> .Makefile
else
    `clang++ --version >/dev/null 2>/dev/null`
    if [ $? -eq 0 ]
    then
        echo "COMPILER_WARNINGS=\$(GCC_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
        echo "COMPILER_WARNINGS=\$(GXX_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
        echo "COMPILER_WARNINGS=\$(CLANG_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
        echo "CXX=clang++ # AUTOGEN" >> .Makefile
    else
        `gcc --version >/dev/null 2>/dev/null`
        if [ $? -eq 0 ]
        then
            echo "COMPILER_WARNINGS=\$(CLANG_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
            echo "COMPILER_WARNINGS=\$(GXX_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
            echo "COMPILER_WARNINGS=\$(GCC_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
            echo "# CXX=clang++ # AUTOGEN" >> .Makefile
            echo "CXX=gcc # AUTOGEN" >> .Makefile
            echo "# CXX=cc # AUTOGEN" >> .Makefile
            echo "# CXX=g++ # AUTOGEN" >> .Makefile
        else
            `g++ --version >/dev/null 2>/dev/null`
            if [ $? -eq 0 ]
            then
                echo "COMPILER_WARNINGS=\$(CLANG_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
                echo "COMPILER_WARNINGS=\$(GCC_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
                echo "COMPILER_WARNINGS=\$(GXX_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
                echo "# CXX=clang++ # AUTOGEN" >> .Makefile
                echo "# CXX=gcc # AUTOGEN" >> .Makefile
                echo "# CXX=cc # AUTOGEN" >> .Makefile
                echo "CXX=g++ # AUTOGEN" >> .Makefile
            else
                echo "COMPILER_WARNINGS=\$(CLANG_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
                echo "COMPILER_WARNINGS=\$(GXX_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
                echo "COMPILER_WARNINGS=\$(GCC_COMPILER_WARNINGS) # AUTOGEN" >> .Makefile
                echo "# CXX=clang++ # AUTOGEN" >> .Makefile
                echo "# CXX=gcc # AUTOGEN" >> .Makefile
                echo "# CXX=cc # AUTOGEN" >> .Makefile
                echo "CXX=g++ # AUTOGEN" >> .Makefile
            fi
        fi
    fi
fi

echo "    " >> .Makefile
echo "EXE=$EXE # AUTOGEN" >> .Makefile
echo "LDLIBS=$LDLIBS # AUTOGEN" >> .Makefile
echo "CFLAGS=\$(COMPILER_FLAGS) \$(COMPILER_WARNINGS) # AUTOGEN" >> .Makefile

cat Makefile | grep -v AUTOGEN | grep -v "^    $" >> .Makefile

if [ -s .Makefile ]
then
    mv .Makefile Makefile
    if [ ! -f Makefile ]
    then
    log_err "No makefile?!"
    exit 1
    fi
else
    log_err "Makefile create fail?!"
    exit 1
fi

log_info "Cleaning"
make clobber | sed 's/^/  /g'

CORES=""

case `uname` in
    *Darwin*)
    CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType  | grep Cores | sed 's/.*: //g'`
    ;;

    *inux*)
    CORES=`cat /proc/cpuinfo | grep "cpu cores" | head -1 | awk '{print $4}'`
    ;;
esac

if [ "$CORES" != "" ]
then
    CORES="-j $CORES"
fi

log_info "Compiling"
make $CORES all

if [ $? -eq 0 ]
then
    log_info "Run ./c_plus_plus_serializer to start"

    rm -f Makefile.bak
else
    log_die "Build failed"
fi