Add rpathing and libusb updates for macOS CI

Signed-off-by: Travis F. Collins <travis.collins@analog.com>

CI/azure/macos_tar_fixup.sh

@@ -0,0 +1,56 @@
+#!/bin/bash -xe
+
+# Extract tar.gz to temp folder
+tarname=$(find . -maxdepth 1 -name '*.tar.gz')
+if [ -z "${tarname}" ]; then
+        echo "tar.gz not found"
+        exit 1
+fi
+# Remove tar.gz from filename
+subfoldername=$(echo "${tarname}" | sed 's/.\{7\}$//')
+echo "subfoldername: ${subfoldername}"
+
+mkdir -p temp_tar
+tar -xzf ${tarname} -C temp_tar
+mv temp_tar/${subfoldername} temp
+cd temp
+ls -la *
+
+# Update rpath of library and tools
+libusb_loc=$(find `brew --cellar` -name libusb-1.0.dylib)
+libusbdir_loc=$(dirname `find $(brew --cellar) -name libusb-1.0.dylib`)
+libiio_loc=$(find . -name iio | grep Versions)
+libiioheader_loc=$(find . -name iio.h)
+
+if [ ! -f "${libusb_loc}" ]; then
+        echo "libusb library not found"
+        exit 1
+fi
+
+# Create links to framework files
+mkdir -p usr/local/{lib,include}
+ln -fs ${libiio_loc} usr/local/lib/libiio.dylib
+ln -fs ${libiioheader_loc} usr/local/include/iio.h
+
+# Copy libusb to local libs
+cp "${libusb_loc}" usr/local/lib/
+chmod +w usr/local/lib/libusb-1.0.dylib
+install_name_tool -id @rpath/libusb-1.0.dylib usr/local/lib/libusb-1.0.dylib
+
+# Update rpath of library
+install_name_tool -change "${libusb_loc}" "@rpath/libusb-1.0.dylib" "${libiio_loc}"
+install_name_tool -add_rpath @loader_path/. "${libiio_loc}"
+
+# Update tools
+cd Library/Frameworks/iio.framework/Tools
+for tool in *;
+do
+        install_name_tool -add_rpath @loader_path/../.. "${tool}"
+done
+cd ../../../../
+
+# Remove old tar and create new one
+rm ${tarname}
+tar -czf ../${tarname} .
+cd ..
+rm -rf temp

azure-pipelines.yml

@@ -320,6 +320,9 @@ stages:
         cmake .. -Werror=dev -DCOMPILE_WARNING_AS_ERROR=ON -DOSX_PACKAGE=OFF -DENABLE_PACKAGING=ON -DCPP_BINDINGS=ON -DPYTHON_BINDINGS=ON -DWITH_SERIAL_BACKEND=OFF -DWITH_ZSTD=OFF -DCPACK_SYSTEM_NAME=${ARTIFACTNAME} -DCMAKE_SYSTEM_NAME="Darwin"
         make
         make package
+        mv ../CI/azure/macos_tar_fixup.sh .
+        chmod +x macos_tar_fixup.sh
+        ./macos_tar_fixup.sh
         cd ..
       displayName: 'Build tar'
     - script: |