SigDigger build script for my unofficial branch for Mac OS (including Apple Silicon)

build_sigdigger_mac_dmg.sh

#!/bin/sh
#
set -eux

BREW_PREFIX="$(brew --prefix)"
CPU_COUNT="$(sysctl -n hw.ncpu)"

QT_PATH="${HOME}/Qt/6.7.2/macos"

# Homebrew dependencies
brew update
brew install volk fftw libsndfile libxml2 portaudio dylibbundler
brew tap pothosware/homebrew-pothos
#brew install pothossoapy soapyairspyhf # broken build
brew install soapyrtlsdr soapyhackrf soapybladerf soapyairspy soapyredpitaya soapyiris limesuite soapyplutosdr
brew install --head soapyuhd # avoiding C++14 compilation issue, as fix hasn't yet been tagged in a release

# get the code
if [ ! -e sigutils ]; then
    git clone -b master --recurse-submodules https://github.com/sultanqasim/sigutils.git
fi

if [ ! -e suscan ]; then
    git clone -b master --recurse-submodules https://github.com/sultanqasim/suscan.git
fi

if [ ! -e SuWidgets ]; then
    git clone -b develop https://github.com/sultanqasim/SuWidgets
fi

if [ ! -e SigDigger ]; then
    git clone -b develop https://github.com/sultanqasim/SigDigger.git
fi

# prepare the deploy path
DEPLOYROOT="$(pwd)/deploy-root"
export PKG_CONFIG_PATH="$DEPLOYROOT/usr/lib/pkgconfig"

rm -rf "$DEPLOYROOT"
mkdir -p "$DEPLOYROOT"

# build the source dependencies
(
    cd sigutils
    rm -rf build
    mkdir -p build
    cd build
    cmake .. -DCMAKE_INSTALL_PREFIX="$DEPLOYROOT/usr" -DCMAKE_SKIP_RPATH=ON -DCMAKE_SKIP_INSTALL_RPATH=ON -DCMAKE_BUILD_TYPE=Release
    make -j${CPU_COUNT}
    make install
)

(
    cd suscan
    rm -rf build
    mkdir -p build
    cd build
    cmake .. -DCMAKE_INSTALL_PREFIX="$DEPLOYROOT/usr" -DCMAKE_SKIP_RPATH=ON -DCMAKE_SKIP_INSTALL_RPATH=ON -DCMAKE_PREFIX_PATH="$DEPLOYROOT/usr" -DCMAKE_BUILD_TYPE=Release
    make -j${CPU_COUNT}
    make install
)

(
    cd SuWidgets
    "${QT_PATH}/bin/qmake" SuWidgetsLib.pro PREFIX="$DEPLOYROOT/usr" "CONFIG += release"
    make clean
    make -j${CPU_COUNT}
    make install
)

# build SigDigger
(
    cd SigDigger
    "${QT_PATH}/bin/qmake" SigDigger.pro PREFIX="$DEPLOYROOT/usr" SUWIDGETS_PREFIX="$DEPLOYROOT/usr" "CONFIG += release"
    make clean
    make -j${CPU_COUNT}
    make install
)

# utility functions
function excluded()
{
    excludelist="libc++.1.dylib libSystem.B.dylib"

    for ef in `echo $excludelist`; do
	if [ "$ef" == "$1" ]; then
	    return 0
	fi
    done

    return 1
}

function find_lib()
{
    SANE_DIRS="/usr/lib $BREW_PREFIX/lib $LIBPATH"

    for i in $SANE_DIRS; do
	    if [ -f "$i/$1" ]; then
            echo "$i/$1"
             return 0
        fi
    done

    return 1
}

function embed_soapysdr()
{
    SOAPYSDRVER=`pkg-config SoapySDR --modversion | sed 's/\([0-9]*\.[0-9]*\)\..*/\1/g'`
    MODDIR="$BREW_PREFIX/lib/SoapySDR/modules$SOAPYSDRVER"

    mkdir -p "$LIBPATH/SoapySDR/"
    cp -RLfv "$MODDIR" "$LIBPATH/SoapySDR"

    # rename module directory without . to make codesign friendly
    mv "$LIBPATH/SoapySDR/modules$SOAPYSDRVER" "$LIBPATH/SoapySDR/modules"

    # copy in all dependencies
    for f in "$LIBPATH/SoapySDR/modules"/*; do
        dylibbundler -cd -of -b -x "$f" -d "$LIBPATH" -p "@executable_path/../Frameworks/"
    done

    # fix duplicate library
    rm "$LIBPATH/libSoapySDR.0.8.dylib"
    ln -s "./"`basename "$LIBPATH/libSoapySDR.0.8."*".dylib"` "$LIBPATH/libSoapySDR.0.8.dylib"

    # make sure local soapy modules are used, not homebrew ones
    ESCAPED_BREW_PREFIX=$(printf '%s\n' "$BREW_PREFIX" | sed -e 's/[\/&]/\\&/g')
    ZSTR=$(printf 'z%.0s' $(seq 1 ${#BREW_PREFIX}))
    LC_ALL=C sed -e 's/'"${ESCAPED_BREW_PREFIX}"'/'"${ZSTR}"'/' "$LIBPATH/libSoapySDR.0.8."*".dylib" >_delme_soapy
    mv _delme_soapy "$LIBPATH/libSoapySDR.0.8."*".dylib"

    return 0
}

function deploy_deps()
{
    embed_soapysdr
    cp -RLfv "$BREW_PREFIX/opt/gcc/lib/gcc/current/libgcc_s.1.1.dylib" "$LIBPATH"
}

function swap_uhd()
{
    # my hacked fork of uhd with fast retuning
    # https://github.com/sultanqasim/uhd
    #
    # build by running:
    # mkdir -p uhd/host/build
    # cd uhd/host/build
    # cmake .. -DCMAKE_BUILD_TYPE=Release -DENABLE_SIM=OFF
    # make -j5
    cp uhd/host/build/lib/libuhd.4.7.0.dylib "$LIBPATH/"
    dylibbundler -cd -of -b -x "$LIBPATH/libuhd.4.7.0.dylib" -d "$LIBPATH" -p "@executable_path/../Frameworks/"
}

function remove_full_paths()
{
    FULLPATH="$2"
    if [[ "$2" == *".framework"* ]]; then
        FWNAME=`basename "$FULLPATH"`
        RPATHNAME='@executable_path/../Frameworks/'"$FWNAME.framework/Versions/A/$FWNAME"
    else
        RPATHNAME='@executable_path/../Frameworks/'`basename "$FULLPATH"`
    fi

    install_name_tool -change "$FULLPATH" "$RPATHNAME" "$1"
}

function remove_full_path_stdin () {
    while read line; do
        remove_full_paths "$1" "$line"
    done
}

function ensure_rpath()
{
    for i in "$LIBPATH"/*.dylib "$LIBPATH/SoapySDR/modules"*/*.so "$BUNDLEPATH"/Contents/MacOS/*; do
        if ! [ -L "$i" ]; then
	        chmod u+rw "$i"
	        echo "Fixing "`basename $i`"..."
	        otool -L "$i" | grep '\t'"$BREW_PREFIX/" | tr -d '\t' | cut -f1 -d ' ' | remove_full_path_stdin "$i";
	        otool -L "$i" | grep '\t@rpath/.*\.dylib' | tr -d '\t' | cut -f1 -d ' ' | remove_full_path_stdin "$i";
        fi
    done
}

function fix_loader_path()
{
    # $1 is library name, $2 is dependency path relative to BREW_PREFIX
    DEPNAME=`basename "$2"`
    install_name_tool -change "@loader_path/../../../../$2" "@executable_path/../Frameworks/$DEPNAME" "$LIBPATH/$1"
}

function fix_loader_path_and_copy_lib()
{
    FILENAME=`basename "$2"`
    fix_loader_path "$1" "$2"
    cp -p "$BREW_PREFIX/$2" "$LIBPATH/$FILENAME"
}

function copy_su_libs()
{
    cp -fv "$DEPLOYROOT/usr/lib/libsigutils.1.dylib" "$LIBPATH"
    cp -fv "$DEPLOYROOT/usr/lib/libsuscan.0."*.*".dylib" "$LIBPATH"
    cp -fv "$DEPLOYROOT/usr/lib/libsuwidgets.0.dylib" "$LIBPATH"
}

function fix_sndfile()
{
    # workaround for homebrew libsndfile path issues
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/libogg/lib/libogg.0.dylib"
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/libvorbis/lib/libvorbisenc.2.dylib"
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/flac/lib/libFLAC.12.dylib"
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/opus/lib/libopus.0.dylib"
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/mpg123/lib/libmpg123.0.dylib"
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/lame/lib/libmp3lame.0.dylib"
    fix_loader_path_and_copy_lib "libsndfile.1.dylib" "opt/libvorbis/lib/libvorbis.0.dylib"
}

function fix_plist()
{
    plutil -replace CFBundleIdentifier -string "$BUNDLEID" "$PLISTPATH"
    plutil -replace CFBundleName -string "SigDigger" "$PLISTPATH"
    plutil -replace CFBundleDevelopmentRegion -string "en" "$PLISTPATH"
}

function copy_usrp_fw()
{
    mkdir -p "${BUNDLEPATH}/Contents/share/uhd/images"
    cp "${BREW_PREFIX}/share/uhd/images/usrp_b2"* "${BUNDLEPATH}/Contents/share/uhd/images/"
}

function sign_code()
{
    find "$BUNDLEPATH" -name '*.framework' -or -name '*.dylib' -or -name '*.so' | {
        while read -r f; do
            codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime "${f}"
        done
    }

    codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime "${BUNDLEPATH}/Contents/MacOS/SigDigger"
    codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime "$BUNDLEPATH"
}

function create_dmg()
{
    rm -Rfv "$STAGINGDIR"
    mkdir -p "$STAGINGDIR"
    cp -Rfv "$BUNDLEPATH" "$STAGINGDIR"
    hdiutil create -verbose -volname SigDigger -srcfolder "$STAGINGDIR" -ov -format UDZO "$DMG_NAME"
}

# turn it into a complete app bundle with all libraries included
BUNDLEID="org.actinid.SigDigger"
BUNDLEPATH="$DEPLOYROOT/usr/bin/SigDigger.app"
PLISTPATH="$BUNDLEPATH/Contents/Info.plist"
RSRCPATH="$BUNDLEPATH/Contents/Resources"
LIBPATH="$BUNDLEPATH/Contents/Frameworks"
BINPATH="$BUNDLEPATH/Contents/MacOS"
STAGINGDIR="$DEPLOYROOT/SigDigger.dir"
DMG_NAME="SigDigger.dmg"

"${QT_PATH}/bin/macdeployqt" "$BUNDLEPATH"

cp -Rfv "$DEPLOYROOT/usr/share/suscan" "$RSRCPATH"
cp -fv "$DEPLOYROOT/usr/bin/suscli" "$BINPATH"
cp -fv `which SoapySDRUtil` "$BINPATH"

copy_su_libs
deploy_deps
swap_uhd
fix_sndfile
ensure_rpath
fix_plist
copy_usrp_fw
sign_code
create_dmg