mkdist.sh

#!/bin/sh
#
#  mkdist.sh
#  CrossPack-AVR
#
#  Created by Christian Starkjohann on 2012-11-28.
#  Copyright (c) 2012 Objective Development Software GmbH.

pkgUnixName=CrossPack-AVR
pkgPrettyName="CrossPack for AVR Development"
pkgUrlName=crosspack    # name used for http://www.obdev.at/$pkgUrlName
pkgVersion=20131216

version_make=4.0
version_automake=1.11.1 # required by binutils
version_gdb=7.6.1
version_gmp=4.3.2
version_mpfr=3.1.2
version_mpc=1.0
version_ppl=0.12.1
version_cloog=0.16.2
version_autoconf=2.64   # required by binutils
version_libusb=1.0.9
version_avarice=2.13
version_avrdude=6.0.1
version_simulavr=0.1.2.7
# simulavr-1.0.0 does not compile
# We want to add simavr to the distribution, but it does not compile easily...

# The following packages are fetched from Atmel:
atmelToolchainVersion=3.4.3
version_binutils=2.23.2
version_gcc=4.8.1
#version_gcc3=3.4.6
version_headers=6.2.0.142
version_avrlibc=1.8.0

debug=false
if [ "$1" = debug ]; then
    debug=true
fi

prefix="/usr/local/$pkgUnixName-$pkgVersion"
configureArgs="--disable-dependency-tracking --disable-nls --disable-werror"

umask 0022

xcodepath="$(xcode-select -print-path)"
sysroot="$xcodepath/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk"

# Do not include original PATH in our PATH to ensure that third party stuff is not found
PATH="$prefix/bin:$xcodepath/usr/bin:$xcodepath/Toolchains/XcodeDefault.xctoolchain/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
export PATH

commonCFLAGS="-isysroot $sysroot -mmacosx-version-min=10.6"
# Build libraries for i386 and x86_64, but executables i386 only so that the
# size of the distribution is not unecessary large.
buildCFLAGS="$commonCFLAGS -arch i386 -fno-stack-protector"  # used for tool chain
# Why -fno-stack-protector? Gcc 4.7.2 compiled with Xcode 5 aborts with a stack
# protection failure when building libgcc for avrtiny. The problem occurs with -O2
# only, not with -O0. It's hard to debug with the heavy inlining of -O2. Since
# there is no obvious overflow, this is maybe a bug in clang's stack protector.
# In any case, we are not responsible for debugging either of the two compilers,
# so we simply disable the check.


###############################################################################
# Check prerequisites first
###############################################################################

releaseNotesVersion=$(sed -n -e '/20[01234][0-9][01][0-9][0-3][0-9]<[/]h/ s/^.*\([0-9]\{8\}\).*$/\1/g p' manual-source/releasenotes.html | head -1)
if ! $debug; then
    if [ "$releaseNotesVersion" != "$pkgVersion" ]; then
        echo "*** Release notes not up-to-date!"
        echo "Latest release notes are for version $releaseNotesVersion, package version is $pkgVersion"
        exit 1
    fi
fi

###############################################################################
# Obtaining the packages from the net
###############################################################################

# download a package and unpack it
getPackage() # <package-name> <alwaysDownload>
{
    url="$1"
    package=$(basename "$url")
    doDownload=no
    if [ ! -f "packages/$package" ]; then
        doDownload=yes      # not yet downloaded
    elif ! $debug; then
        if [ "$2" = alwaysDownload ]; then
            doDownload=yes  # release build and download forced
        fi
    fi
    if [ "$doDownload" = yes ]; then
        echo "=== Downloading package $package"
        rm -f "packages/$package"
        curl --location --progress-bar -o "packages/$package" "$url"
    fi
}


###############################################################################
# helper for building fat libraries
###############################################################################

lipoHelper() # <action> <file>
{
    action="$1"
    file="$2"
    if [ "$action" = rename ]; then
        if echo "$file" | egrep '\.(i386|x86_64)$' >/dev/null; then
            : # already renamed
        elif arch=$(lipo -info "$file" 2>/dev/null); then # true if lipo is applicable
            arch=$(echo $arch | sed -e 's/^.*: \([^:]*\)$/\1/g')
            case "$arch" in
            x86_64|i386)
                mv "$file" "$file.$arch";;
            esac
        fi
    elif [ "$action" = merge ]; then
        base=$(echo "$file" | sed -E -e 's/[.](i386|x86_64)$//g')
        if [ ! -f "$base.x86_64" ]; then
            mv -f "$base.i386" "$base"
        elif [ ! -f "$base.i386" ]; then
            mv -f "$base.x86_64" "$base"
        elif lipo -create -arch i386 "$base.i386" -arch x86_64 "$base.x86_64" -output "$base"; then
            rm -f "$base.i386" "$base.x86_64"
        fi
    else
        echo "Invalid action $1"
    fi
}

lipoHelperRecursive() # <action> <baseDir>
{
    action="$1"
    baseDir="$2"
    if [ "$action" = "rename" ]; then
        find "$baseDir" -type f -and '(' -name '*.a' -or -name '*.dylib*' -or -name '*.so*' -or -perm -u+x ')' -print | while read i; do
            lipoHelper "$action" "$i"
        done
    else
        find "$baseDir" -type f -and -name '*.i386' -print | while read i; do
            lipoHelper "$action" "$i"
        done
    fi
}


###############################################################################
# building the packages
###############################################################################

# checkreturn is used to check for exit status of subshell
checkreturn()
{
	rval="$?"
	if [ "$rval" != 0 ]; then
		exit "$rval"
	fi
}

applyPatches()  # <package-name>
{
    name="$1"
    base=$(echo "$name" | sed -e 's/-[.0-9]\{1,\}$//g')
    for patchdir in patches-local; do
        for target in "$base" "$name"; do
            if [ -d "$patchdir/$target" ]; then
                echo "=== applying patches from $patchdir/$target"
                (
                    cd "compile/$name"
                    for patch in "../../$patchdir/$target/"*; do
                        if [ "$patch" != "../$patchdir/$target/*" ]; then
                            echo "    -" "$(basename "$patch")"
                            if ! patch --silent -f -p0 < "$patch"; then
                                echo "Patch $patch failed!"
                                echo "Press enter to continue anyway"
                                read
                            fi
                        fi
                    done
                )
            fi
        done
    done
}

unpackPackage() # <package-name>
{
    name="$1"
    archive=$(echo "packages/$name"* | awk '{print $1}')    # wildcard expands to compression extension
    extension=$(echo "$archive" | awk -F . '{print $NF}')
    zipOption="-z"
    if [ "$extension" = "bz2" ]; then
        zipOption="-j"
    fi
    if [ ! -d compile ]; then
        mkdir compile
    fi
    echo "=== unpacking $name"
    rm -rf "compile/$name"
    mkdir "compile/tmp"
    if [ "$extension" = "zip" ]; then
        unzip -d compile/tmp "$archive"
    else
        tar -x $zipOption -C compile/tmp -f "$archive"
    fi
    mv compile/tmp/* "compile/$name"
    rm -rf compile/tmp
    if [ ! -d "compile/$name" ]; then
        echo "*** Package $name does not contain expected directory"
        exit 1
    fi
    dir=$(echo "compile/$name/"*)
    if [ $(echo "$dir" | wc -w) = 1 ]; then     # package contains single dir
        mv "$dir"/* "compile/$name"             # move everything up one level
        rm -rf "$dir"
    fi
}

mergeAVRHeaders()
{
    for i in "../avr8-headers-$version_headers"/io?*.h; do
        # iotn4313.h is broken in atmel's header package AND in avr-libc-1.8.0. Our
        # build mechanism allows to apply a patch to avr-libc-1.8.0 (since it has the
        # standard configure/make procedure), but not to Atmel's headers. We therefore
        # patch avr-libc and give it precedence over Atmel's headers for iotn4313.h.
        # In all other cases Atmel's headers have precedence.
        # The same is true for the 2313a.
        if [ "$(basename "$i")" != iotn4313.h -a "$(basename "$i")" != iotn2313a.h ]; then
            cp -f "$i" include/avr/
        fi
    done
    if [ -f "../avr8-headers-$version_headers/io.h" ]; then
        # We must merge the conditional includes of both versions of io.h since we
        # want to build a superset:
        awk 'BEGIN {
                line = 0;
                insertAt = 0;
                recordLines = 1;
            }

            {
                if (file != FILENAME) {     # file changed
                    if (file != "") {
                        recordLines = 0;    # not first file
                    }
                    file = FILENAME;
                }
                if (def != "" && match($0, "^#[ \t]*include")) {
                    includes[def] = $0;
                } else if (match($0, "^#[a-zA-Z]+[ \t]+[(]?defined")) {
                    if (insertAt == 0) {
                        insertAt = line;
                    }
                    def = $3;
                    gsub("[^a-zA-Z0-9_]", "", def);
                } else {
                    def = "";
                    if (recordLines) {
                        lines[line++] = $0;
                    }
                }
            }

            END {
                for (i = 0; i < line; i++) {
                    if (i == insertAt) {
                        prefix = "#if";
                        for (def in includes) {
                            printf("%s defined (%s)\n%s\n", prefix, def, includes[def]);
                            prefix = "#elif";
                        }
                    }
                    print lines[i];
                }
            }
        ' "../avr8-headers-$version_headers/io.h" include/avr/io.h > include/avr/io.h.new
        mv -f include/avr/io.h.new include/avr/io.h
    fi
}

postConfigurePatches()
{
    # Patch config.h so that we do not use strndup(), even if it is available.
    # Strndup() is not available on 10.6 and we must not use it in order to
    # preserve 10.6 compatibility.
    if [ -f config.h ]; then
        sed -ibak -e 's/#define.*HAVE_STRNDUP[^0-9A-Za-z].*$/#undef HAVE_STRNDUP/g' config.h
    fi
}

buildPackage() # <package-name> <known-product> <additional-config-args...>
{
    name="$1"
    product="$2"
    if [ -f "$product" ]; then
        echo "Skipping build of $name because it's already built"
        return  # the product we generate exists already
    fi
    shift; shift
    echo "################################################################################"
    echo "Building $name at $(date +"%Y-%m-%d %H:%M:%S")"
    echo "################################################################################"
    cwd=$(pwd)
	base=$(echo "$name" | sed -e 's/-[.0-9]\{1,\}$//g')
    version=$(echo "$name" | sed -e 's/^.*-\([.0-9]\{1,\}\)$/\1/')
    unpackPackage "$name"
    applyPatches "$name"
    (
        cd "compile/$name"
        if [ "$base" = avr-binutils ]; then
            # we remove version check because we can't guarantee a particular version
            sed -ibak 's/  \[m4_fatal(\[Please use exactly Autoconf \]/  \[m4_errprintn(\[Please use exactly Autoconf \]/g' ./config/override.m4
            (cd ld; autoreconf)
        fi
        if [ "$base" = avr-libc ]; then
            mergeAVRHeaders
        fi
        if [ -x ./bootstrap ]; then # avr-libc builds lib tree from this script
            ./bootstrap             # If the package has a bootstrap script, run it
            if [ "$base" = simulavr ]; then
                autoconf            # additional magic needed for simulavr
                ./bootstrap
            fi
        fi
        if [ "$base" = avr-gcc ]; then
            # manually clean dependent files, these are not always removed by make distclean
            grep -RiIn --exclude-dir zlib 'generated automatically by' . | tr ':' ' ' | while read file line rest; do
                if [ "$line" -lt 4 ]; then
                    echo "removing dependent file $file"
                    rm "$file"
                fi
            done
        fi
        if [ "$base" = avr-gcc -o "$base" = simulavr ]; then    # build gcc in separate dir, it will fail otherwise
            mkdir build-objects
            rm -rf build-objects/*
            cd build-objects
            rootdir=..
        else
            rootdir=.
        fi
        if [ "$base" != avr-libc ]; then
            export CC="xcrun gcc $buildCFLAGS"
            export CXX="xcrun g++ $buildCFLAGS"
        fi
        make distclean 2>/dev/null
        echo "cwd=`pwd`"
        echo $rootdir/configure --prefix="$prefix" $configureArgs "$@"
        $rootdir/configure --prefix="$prefix" $configureArgs "$@" || exit 1
        postConfigurePatches
        if [ -d $rootdir/bfd ]; then # if we build GNU binutils, ensure we update headers after patching
            make    # expect this make to fail, but at least we have configured everything
            (
                cd $rootdir/bfd
                rm -f bfd-in[23].h libbfd.h libcoff.h
                make headers
            )
        fi
        if ! make; then
            echo "################################################################################"
            echo "Building $name failed."
            echo "################################################################################"
            exit 1
        fi
        make install || exit 1
        case "$product" in
            "$cwd"/*)   # install destination is in source tree -> do nothing
                echo "package $name is not part of distribution"
                ;;
            *)          # install destination is not in source tree
                mkdir "$prefix" 2>/dev/null
                mkdir "$prefix/etc" 2>/dev/null
                mkdir "$prefix/etc/versions.d" 2>/dev/null
                echo "$base: $version" >"$prefix/etc/versions.d/$base"
                ;;
        esac
    )
    checkreturn
}

copyPackage() # <package-name> <destination>
{
    name="$1"
    destination="$2"
    unpackPackage "$name"
    mkdir -p "$destination" 2>/dev/null
    echo "=== installing files in $name"
    mv "compile/$name/"* "$destination/"
    chmod -R a+rX "$destination"
}

# The following function fixes the library path of a load command in a mach-o
# executable. Yes, this is a hack!
# We need to patch the path in order to preserve 10.6 compatibility when compiling
# with 10.7 SDK: When we link to libreadline, we get libedit as an indirect
# dependency of the binary (in our case: avrdude). Since libreadline links to an
# explicit version of libedit and this version differs between 10.6 and 10.7, we
# need to remove the version number.
fixLoadCommandInBinary() #<binary-path> <searchLibraryPath> <replacementLibraryPath>
{
    executable="$1"
    searchLib="$2"
    replaceLib="$3"
    echo "Fixing library $searchLib in $executable"
    # we need /bin/echo because sh's built-in echo does not support -n
    search=$(/bin/echo -n "$searchLib" | xxd -p | tr -d '\n')
    replace=$(/bin/echo -n "$replaceLib" | xxd -p | tr -d '\n')
    # now pad $replace to same length as search:
    delta=$((${#search} - ${#replace}))
    zero="00000000000000000000000000000000000000000000000000000000000000000000000"
    replace="$replace${zero:0:$delta}"
    cp "$executable" "$executable.orig"
    xxd -p "$executable.orig" | tr -d '\n' | sed -e "s/$search/$replace/" | xxd -p -r >"$executable"
    rm -f "$executable.orig"
}

###############################################################################
# main code
###############################################################################

if [ -d "$prefix" -a ! -w "$prefix" -a -x "$prefix/uninstall" ]; then
    echo "Please type your password so that we can run uninstall as root:"
    if ! sudo "$prefix/uninstall"; then
        echo "Aborting because uninstall failed"
        exit 1
    fi
fi

if ! "$debug"; then
    rm -rf "$installdir"
    rm -rf compile
    rm -rf "$prefix"
fi

if [ ! -d packages ]; then
    mkdir packages
fi

echo "Starting download at $(date +"%Y-%m-%d %H:%M:%S")"

atmelBaseURL="http://distribute.atmel.no/tools/opensource/Atmel-AVR-GNU-Toolchain/$atmelToolchainVersion"
# always download packages from Atmel, they sometimes update patches without updating the package name
getPackage "$atmelBaseURL/avr-binutils-$version_binutils.tar.gz" alwaysDownload
getPackage "$atmelBaseURL/avr-gcc-$version_gcc.tar.gz" alwaysDownload
getPackage "$atmelBaseURL/avr8-headers-$version_headers.zip" alwaysDownload
getPackage "$atmelBaseURL/avr-libc-$version_avrlibc.tar.gz" alwaysDownload
# We do not fetch patches available in this directory because they are already applied

#getPackage http://ftp.sunet.se/pub/gnu/gcc/releases/gcc-"$version_gcc3"/gcc-"$version_gcc3".tar.bz2

getPackage http://ftp.sunet.se/pub/gnu/make/make-"$version_make".tar.bz2
getPackage http://ftp.gnu.org/gnu/automake/automake-"$version_automake".tar.gz
getPackage http://ftp.gmplib.org/gmp/gmp-"$version_gmp".tar.bz2
getPackage http://ftp.sunet.se/pub/gnu/mpfr/mpfr-"$version_mpfr".tar.bz2
getPackage http://www.multiprecision.org/mpc/download/mpc-"$version_mpc".tar.gz
# We would like to compile with cloog, but linking 32 bit C++ code fails with clang.
#getPackage http://bugseng.com/products/ppl/download/ftp/releases/"$version_ppl"/ppl-"$version_ppl".tar.bz2
#getPackage http://gcc.cybermirror.org/infrastructure/cloog-"$version_cloog".tar.gz
getPackage http://ftp.gnu.org/gnu/autoconf/autoconf-"$version_autoconf".tar.gz
getPackage http://ftp.sunet.se/pub/gnu/gdb/gdb-"$version_gdb".tar.bz2
getPackage http://downloads.sourceforge.net/avarice/avarice-"$version_avarice".tar.bz2
getPackage http://download.savannah.gnu.org/releases/avr-libc/avr-libc-manpages-"$version_avrlibc".tar.bz2
getPackage http://download.savannah.gnu.org/releases/avr-libc/avr-libc-user-manual-"$version_avrlibc".tar.bz2
getPackage http://switch.dl.sourceforge.net/project/libusb/libusb-1.0/libusb-"$version_libusb"/libusb-"$version_libusb".tar.bz2
getPackage http://switch.dl.sourceforge.net/project/libusb/libusb-0.1%20%28LEGACY%29/0.1.12/libusb-0.1.12.tar.gz
getPackage http://download.savannah.gnu.org/releases/avrdude/avrdude-"$version_avrdude".tar.gz
getPackage http://download.savannah.gnu.org/releases/avrdude/avrdude-doc-"$version_avrdude".tar.gz
getPackage http://download.savannah.gnu.org/releases/simulavr/simulavr-"$version_simulavr".tar.gz

installdir="$(pwd)/temporary-install"
if [ ! -d "$installdir" ]; then
    mkdir "$installdir"
fi


#########################################################################
# Build sources
#########################################################################

echo "Starting build at $(date +"%Y-%m-%d %H:%M:%S")"

#########################################################################
# math and other prerequisites
#########################################################################
export M4="xcrun m4"
buildPackage autoconf-"$version_autoconf" "$installdir/autoconf/bin/autoconf" --prefix="$installdir/autoconf"
unset M4
export PATH="$installdir/autoconf/bin:$PATH"

buildPackage automake-"$version_automake" "$installdir/automake/bin/automake" --prefix="$installdir/automake"
export PATH="$installdir/automake/bin:$PATH"

buildPackage gmp-"$version_gmp"   "$installdir/lib/libgmp.a"  --prefix="$installdir" --enable-cxx --enable-shared=no --disable-assembly
buildPackage mpfr-"$version_mpfr" "$installdir/lib/libmpfr.a" --with-gmp="$installdir" --prefix="$installdir" --enable-shared=no
buildPackage mpc-"$version_mpc"   "$installdir/lib/libmpc.a"  --with-gmp="$installdir" --with-mpfr="$installdir" --prefix="$installdir" --enable-shared=no
#buildPackage ppl-"$version_ppl"   "$installdir/lib/libppl.a"  --with-gmp="$installdir" --prefix="$installdir" --enable-shared=no
#buildPackage cloog-"$version_cloog"   "$installdir/lib/libcloog-isl.a"  --with-gmp-prefix="$installdir" --prefix="$installdir" --enable-shared=no

rm -f "$installdir/lib/"*.dylib # ensure we have no shared libs

#########################################################################
# additional goodies
#########################################################################
buildPackage make-"$version_make" "$prefix/bin/make"
(
    for arch in i386 x86_64; do
        buildCFLAGS="$commonCFLAGS -arch $arch"
        buildPackage libusb-"$version_libusb" "$prefix/lib/libusb-1.0.a" --disable-shared
        buildPackage libusb-0.1.12 "$prefix/lib/libusb.a" --disable-shared
        rm -f "$prefix/lib"/libusb*.dylib
        for file in "$prefix/lib"/libusb*.a; do
            if [ "$file" != "$prefix/lib/libusb*.a" ]; then
                lipoHelper rename "$file"
            fi
        done
    done
    for file in "$prefix/lib"/libusb*.a.i386; do
        if [ "$file" != "$prefix/lib/libusb*.a.i386" ]; then
            lipoHelper merge "$file"
        fi
    done
)
checkreturn

#########################################################################
# binutils and prerequisites
#########################################################################
buildPackage avr-binutils-"$version_binutils" "$prefix/bin/avr-nm" --target=avr
if [ ! -f "$prefix/bfd/lib/libbfd.a" ]; then
    mkdir -p "$prefix/bfd/include"  # copy bfd directory manually
    mkdir "$prefix/bfd/lib"
    cp compile/avr-binutils-"$version_binutils"/bfd/libbfd.a "$prefix/bfd/lib/"
    cp compile/avr-binutils-"$version_binutils"/bfd/bfd.h "$prefix/bfd/include/"
    cp compile/avr-binutils-"$version_binutils"/include/ansidecl.h "$prefix/bfd/include/"
    cp compile/avr-binutils-"$version_binutils"/include/symcat.h "$prefix/bfd/include/"
fi
if [ ! -f "$prefix/lib/libiberty.a" ]; then
    mkdir "$prefix/lib"
    cp compile/avr-binutils-"$version_binutils"/libiberty/libiberty.a "$prefix/lib/"
fi

#########################################################################
# gcc bootstrap
#########################################################################
buildPackage avr-gcc-"$version_gcc" "$prefix/bin/avr-gcc" --target=avr --enable-languages=c --disable-libssp --disable-libada --with-dwarf2 --disable-shared --with-avrlibc=yes --with-gmp="$installdir" --with-mpfr="$installdir" --with-mpc="$installdir"

# --with-ppl="$installdir" --with-cloog="$installdir" --enable-cloog-backend=isl
# We would like to compile with cloog, but linking 32 bit C++ code fails with clang.

# If we want to support avr-gcc version 3.x, we want to have it available as
# separate binary avr-gcc3, not with avr-gcc-select. Unfortunately, we also need
# a separate compile of avr-libc with gcc 3.x (other built-in functions etc).
# We don't enable this until we have found a good way to hold both compiles of
# avr-libc in parallel.
#for i in avr-ar avr-ranlib; do
#    ln -s $i "$prefix/bin/${i}3"
#done
#buildPackage gcc-"$version_gcc3" "$prefix/bin/avr-gcc3" --target=avr --enable-languages=c,c++ --disable-libssp --program-suffix=3 --program-prefix="avr-"
#for i in avr-ar avr-ranlib; do
#    rm -f "$prefix/bin/${i}3"
#done

#########################################################################
# avr-libc
#########################################################################
unpackPackage "avr8-headers-$version_headers"
buildPackage avr-libc-"$version_avrlibc" "$prefix/avr/lib/libc.a" --host=avr
copyPackage avr-libc-user-manual-"$version_avrlibc" "$prefix/doc/avr-libc"
copyPackage avr-libc-manpages-"$version_avrlibc" "$prefix/man"

#########################################################################
# avr-gcc full build
#########################################################################
buildPackage avr-gcc-"$version_gcc" "$prefix/bin/avr-g++" --target=avr --enable-languages=c,c++ --disable-libssp --disable-libada --with-dwarf2 --disable-shared --with-avrlibc=yes --with-gmp="$installdir" --with-mpfr="$installdir" --with-mpc="$installdir"

#########################################################################
# gdb and simulavr
#########################################################################
buildPackage gdb-"$version_gdb" "$prefix/bin/avr-gdb" --target=avr --without-python
(
    binutils="$(pwd)/compile/avr-binutils-$version_binutils"
    buildCFLAGS="$buildCFLAGS $("$prefix/bin/libusb-config" --cflags) -I$binutils/bfd -I$binutils/include -O"
    export LDFLAGS="$LDFLAGS $("$prefix/bin/libusb-config" --libs) -L$binutils/bfd -lz -L$binutils/libiberty -liberty"
    buildPackage avarice-"$version_avarice" "$prefix/bin/avarice"
)
checkreturn
(
    export CFLAGS="-Wno-error -g -O2"
    buildPackage simulavr-"$version_simulavr" "$prefix/bin/simulavr" --with-bfd="$prefix/bfd" --with-libiberty="$prefix" --disable-static --enable-dependency-tracking
)
checkreturn

#########################################################################
# avrdude
#########################################################################
(
    buildCFLAGS="$buildCFLAGS $("$prefix/bin/libusb-config" --cflags)"
    export LDFLAGS="$LDFLAGS $("$prefix/bin/libusb-config" --libs)"
    buildPackage avrdude-"$version_avrdude" "$prefix/bin/avrdude"
    fixLoadCommandInBinary "$prefix/bin/avrdude" /usr/lib/libedit.3.dylib /usr/lib/libedit.dylib
    copyPackage avrdude-doc-"$version_avrdude" "$prefix/doc/avrdude"
    if [ ! -f "$prefix/doc/avrdude/index.html" ]; then
        ln -s avrdude.html "$prefix/doc/avrdude/index.html"
    fi
)
checkreturn

#########################################################################
# ensure that we don't link anything local:
#########################################################################
libErrors=$(find "$prefix" -type f -perm +0100 -print | while read file; do
    locallibs=$(otool -L "$file" | tail -n +2 | grep '^/usr/local/')
    if [ -n "$locallibs" ]; then
        echo "*** $file uses local libraries:"
        echo "$locallibs"
    fi
done)

if [ -n "$libErrors" ]; then
    echo "################################################################################"
    echo "Aborting build due to above errors"
    echo "################################################################################"
    exit 1
fi

#########################################################################
# basic tests
#########################################################################
tmpfile="/tmp/test-$$.elf"
rm -rf "$tmpfile"
echo "int main(void) { return 0; }" | "$prefix/bin/avr-gcc" -x c -o "$tmpfile" -
if [ ! -f "$tmpfile" ]; then
    echo "################################################################################"
    echo "Aborting build because avr-gcc cannot compile C code"
    echo "################################################################################"
    exit 1
fi

rm -rf "$tmpfile"
echo "int main(void) { return 0; }" | "$prefix/bin/avr-gcc" -x c++ -o "$tmpfile" -
if [ ! -f "$tmpfile" ]; then
    echo "################################################################################"
    echo "Aborting build because avr-gcc cannot compile C++ code"
    echo "################################################################################"
    exit 1
fi
rm -f "$tmpfile"

for i in "$prefix/bin/"*; do
    case $(basename "$i") in
    avr-gcc-ar|avr-gcc-nm|avr-gcc-ranlib)
        ;;
    *)
        if [ "$(head -c 2 "$i")" != "#!" ]; then
            "$i" --help >/dev/null 2>&1
            rval=$?
            if [ "$rval" != 0 -a "$rval" != 1 ]; then   # Those executables which don't understand --help, exit with status 1
                echo "*** Cannot execute $i, rval=$rval"
                exit 1
            fi
        fi
        ;;
    esac
done

#########################################################################
# Create shell scripts and supporting files
#########################################################################
rm -f "$prefix/versions.txt"
cat "$prefix/etc/versions.d"/* >"$prefix/versions.txt"
echo "stripping all executables"
find "$prefix" -type f -perm -u+x -exec strip '{}' \; 2>/dev/null

# avr-man
cat >"$prefix/bin/avr-man" <<-EOF
	#!/bin/sh
	exec man -M "$prefix/man:$prefix/share/man" "\$@"
EOF
chmod a+x "$prefix/bin/avr-man"

# avr-info
cat >"$prefix/bin/avr-info" <<-EOF
	#!/bin/sh
	exec info -d "$prefix/share/info" "\$@"
EOF
chmod a+x "$prefix/bin/avr-info"

# avr-help
cat >"$prefix/bin/avr-help" <<-EOF
	#!/bin/sh
	exec open "$prefix/manual/index.html"
EOF
chmod a+x "$prefix/bin/avr-help"

# avr-gcc-select
cat > "$prefix/bin/avr-gcc-select" <<-EOF
	#!/bin/sh
	echo "avr-gcc-select is not supported any more."
	echo "This version of $pkgPrettyName comes with gcc 4 only."
	exit 0
EOF
chmod a+x "$prefix/bin/avr-gcc-select"

# uninstall script
cat >"$prefix/uninstall" <<-EOF
	#!/bin/sh
	if [ "\$1" != nocheck ]; then
		if [ "\$(whoami)" != root ]; then
			echo "\$0 must be run as root, use \\"sudo \$0\\""
			exit 1
		fi
	fi
	echo "Are you sure you want to uninstall $pkgPrettyName $pkgVersion?"
	echo "[y/N]"
	read answer
	if echo "\$answer" | egrep -i 'y|yes' >/dev/null; then
		echo "Starting uninstall."
		if cd "$prefix/.."; then
			rm -f "$pkgUnixName"
		fi
		rm -rf "$prefix"
        rm -rf "/etc/paths.d/50-at.obdev.$pkgUnixName"
		rm -f "/Applications/$pkgUnixName-Manual.html"
		rm -rf "/Library/Receipts/$pkgUnixName.pkg"
		echo "$pkgPrettyName is now removed."
	else
		echo "Uninstall aborted."
	fi
EOF
chmod a+x "$prefix/uninstall"

# avr-project
cat >"$prefix/bin/avr-project" <<-EOF
	#!/bin/sh
	if [ \$# != 1 ]; then
		echo "usage: \$0 <ProjectName>" 1>&2
		exit 1
	fi
	if [ "\$1" = "--help" -o "\$1" = "-h" ]; then
		{
			echo "This command creates an empty project with template files";
			echo
			echo "usage: \$0 <ProjectName>"
		} 1>&2
		exit 0;
	fi
	
	name=\$(basename "\$1")
	dir=\$(dirname "\$1")
	cd "\$dir"
	if [ -x "\$name" ]; then
		echo "An object named \$name already exists." 1>&2
		echo "Please delete this object and try again." 1>&2
		exit 1
	fi
	template=~/.$pkgUnixName/templates/TemplateProject
	if [ ! -d "\$template" ]; then
		template="$prefix/etc/templates/TemplateProject"
	fi
	echo "Using template: \$template"
	cp -R "\$template" "\$name" || exit 1
	cd "\$name" || exit 1
	mv TemplateProject.xcodeproj "\$name.xcodeproj"
EOF
chmod a+x "$prefix/bin/avr-project"

# templates
rm -rf "$prefix/etc/templates"
cp -R "templates" "$prefix/etc/"
(
	if cd "$prefix/etc/templates/TemplateProject/TemplateProject.xcodeproj"; then
		rm -rf *.mode1 *.pbxuser xcuserdata project.xcworkspace/xcuserdata
	fi
)

# manual
(
    cd manual-source
    ./mkmanual.sh "$prefix" "$pkgPrettyName"
)
rm -rf "$prefix/manual"
mv "manual" "$prefix/"


#########################################################################
# Mac OS X Package creation
#########################################################################

echo "Starting package creation at $(date +"%Y-%m-%d %H:%M:%S")"

# remove files which should not make it into the package
chmod -R a+rX "$prefix"
find "$prefix" -type f -name '.DS_Store' -exec rm -f '{}' \;
find "$prefix" -type f \( -name '*.i386' -or -name '*.x86_64' \) -print -exec rm -f '{}' \;

echo "=== Making Mac OS X Package"
pkgroot="/tmp/$pkgUnixName-root-$$"
rm -rf "$pkgroot"
mkdir "$pkgroot"
mkdir "$pkgroot/usr"
mkdir "$pkgroot/usr/local"

# Do not use cp -a below because it does not preserve hard links.
tar -C "$(dirname "$prefix")" -c -f - "$(basename "$prefix")" | tar -C "$pkgroot/usr/local" -x -f -

osxpkgtmp="/tmp/osxpkg-$$"
rm -rf "$osxpkgtmp"
cp -a package-info "$osxpkgtmp"
find "$osxpkgtmp" \( -name '*.plist' -or -name '*.rtf' -or -name '*.html' -or -name '*.txt' -or -name 'post*' \) -print | while read i; do
    echo "Running substitution on $i"
    cp "$i" "$i.tmp"	# create file with same permissions (is overwritten in next line)
    sed -e "s|%version%|$pkgVersion|g" -e "s|%pkgPrettyName%|$pkgPrettyName|g" -e "s|%prefix%|$prefix|g" -e "s|%pkgUnixName%|$pkgUnixName|g" -e "s|%pkgUrlName%|$pkgUrlName|g" "$i" > "$i.tmp"
    rm -f "$i"
    mv "$i.tmp" "$i"
done

echo "Building package..."

rm -rf "/tmp/$pkgUnixName-flat.pkg"
pkgbuild --identifier at.obdev.$pkgUnixName --scripts "$osxpkgtmp/scripts" --version "$pkgVersion" --install-location / --root "$pkgroot" "/tmp/$pkgUnixName-flat.pkg"
distfile="/tmp/$pkgUnixName-$$.dist"
cat >"$distfile" <<EOF
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<installer-gui-script minSpecVersion="1">
    <title>$pkgPrettyName</title>
    <welcome file="Welcome.rtf" />
    <readme file="Readme.rtf" />
    <background file="background.jp2" scaling="proportional" alignment="center" />
    <pkg-ref id="at.obdev.$pkgUnixName"/>
    <options customize="never" require-scripts="false"/>
    <choices-outline>
        <line choice="default">
            <line choice="at.obdev.$pkgUnixName"/>
        </line>
    </choices-outline>
    <choice id="default"/>
    <choice id="at.obdev.$pkgUnixName" visible="false">
        <pkg-ref id="at.obdev.$pkgUnixName"/>
    </choice>
    <pkg-ref id="at.obdev.$pkgUnixName" version="$pkgVersion" onConclusion="none">$pkgUnixName-flat.pkg</pkg-ref>
</installer-gui-script>
EOF
productbuild --distribution "$distfile" --package-path /tmp --resources "$osxpkgtmp/Resources" "/tmp/$pkgUnixName.pkg"
rm -f "$distfile"
rm -rf "/tmp/$pkgUnixName-flat.pkg"
rm -rf "$pkgroot"


#########################################################################
# Disk Image
#########################################################################

echo "Starting disk image creation at $(date +"%Y-%m-%d %H:%M:%S")"

rwImage="/tmp/$pkgUnixName-$pkgVersion-rw-$$.dmg"   # temporary disk image
dmg="/tmp/$pkgUnixName-$pkgVersion.dmg"

mountpoint="/Volumes/$pkgUnixName"

# Unmount remainings from previous attempts so that we can be sure that
# We don't get a digit-suffix for our mount point
for i in "$mountpoint"*; do
    hdiutil eject "$i" 2>/dev/null
done

# Create a new disk image and mount it
rm -f "$rwImage"
hdiutil create -type UDIF -fs HFS+ -fsargs "-c c=64,a=16,e=16" -nospotlight -volname "$pkgUnixName" -size 65536k "$rwImage"
hdiutil attach -readwrite -noverify -noautoopen "$rwImage"

# Copy our data to the disk image:
# Readme:
cp -a "$osxpkgtmp/Readme.rtf" "/Volumes/$pkgUnixName/Readme.rtf"
# Package:
cp -a "/tmp/$pkgUnixName.pkg" "/Volumes/$pkgUnixName/"

# Now set Finder options, window size and position and Finder options:
# Note:
# Window bounds is {topLeftX, topLeftY, bottomRightX, bottomRightY} in flipped coordinates
# Icon posistions are icon center, measured from top (flipped coordinates)
echo "Starting AppleScript"
osascript <<EOF
    tell application "Finder"
        tell disk "$pkgUnixName"
            open
            set current view of container window to icon view
            set toolbar visible of container window to false
            set statusbar visible of container window to false
            set the bounds of container window to {400, 200, 900, 550}
            set theViewOptions to the icon view options of container window
            set arrangement of theViewOptions to not arranged
            set icon size of theViewOptions to 180
            set position of item "Readme.rtf" of container window to {140, 170}
            set position of item "$pkgUnixName.pkg" of container window to {350, 170}
            close
            open
            update without registering applications
            delay 2
            eject
        end tell
    end tell
EOF
echo "AppleScript done"

# Ensure images is ejected (should be done by AppleScript above anyway)
hdiutil eject "$mountpoint" 2>/dev/null

# And convert it to a compressed read-only image (zlib is smaller than bzip2):
rm -f "$dmg"
#hdiutil convert -format UDBZ -o "$dmg" "$rwImage"
hdiutil convert -format UDZO -imagekey zlib-level=9 -o "$dmg" "$rwImage"

# Remove read-write version of image because it opens automatically when we
# double-click the read-only image.
rm -f "$rwImage"
open $(dirname "$dmg")


#########################################################################
# Cleanup
#########################################################################

echo "=== cleaning up..."
rm -rf "$osxpkgtmp"
if ! "$debug"; then
    rm -f "/tmp/$pkgUnixName.pkg"
    rm -rf compile  # source and objects are HUGE
fi
echo "... done"

echo "Finished at $(date +"%Y-%m-%d %H:%M:%S")"