fix(macos): fix boost on macos (#2733)

Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>

packaging/macos/Portfile

@@ -44,7 +44,8 @@ depends_lib              port:avahi \
 depends_test             port:doxygen \
                          port:graphviz
 
-configure.args           -DBUILD_WERROR=ON \
+configure.args           -DBOOST_USE_STATIC=ON \
+                         -DBUILD_WERROR=ON \
                          -DCMAKE_INSTALL_PREFIX=${prefix} \
                          -DSUNSHINE_ASSETS_DIR=etc/sunshine/assets
 

packaging/sunshine.rb

@@ -21,6 +21,9 @@ class @PROJECT_NAME@ < Formula
     end
   end
 
+  option "without-dynamic-boost", "Statically link Boost libraries" # default option
+  option "with-dynamic-boost", "Dynamically link Boost libraries"
+
   depends_on "cmake" => :build
   depends_on "node" => :build
   depends_on "pkg-config" => :build
@@ -28,6 +31,7 @@ class @PROJECT_NAME@ < Formula
   depends_on "miniupnpc"
   depends_on "openssl"
   depends_on "opus"
+  depends_on "icu4c" => :recommended
 
   on_linux do
     depends_on "libcap"
@@ -64,6 +68,27 @@ class @PROJECT_NAME@ < Formula
       -DSUNSHINE_ENABLE_TRAY=OFF
       -DTESTS_ENABLE_PYTHON_TESTS=OFF
     ]
+
+    if build.without? "dynamic-boost"
+      args << "-DBOOST_USE_STATIC=ON"
+      ohai "Statically linking Boost libraries"
+
+      unless Formula["icu4c"].any_version_installed?
+        odie <<~EOS
+          icu4c must be installed to link against static Boost libraries,
+          either install icu4c or use brew install sunshine --with-dynamic-boost instead
+        EOS
+      end
+      ENV.append "CXXFLAGS", "-I#{Formula["icu4c"].opt_include}"
+      icu4c_lib_path = Formula["icu4c"].opt_lib.to_s
+      ENV.append "LDFLAGS", "-L#{icu4c_lib_path}"
+      ENV["LIBRARY_PATH"] = icu4c_lib_path
+      ohai "Linking against ICU libraries at: #{icu4c_lib_path}"
+    else
+      args << "-DBOOST_USE_STATIC=OFF"
+      ohai "Dynamically linking Boost libraries"
+    end
+
     system "cmake", "-S", ".", "-B", "build", *std_cmake_args, *args
 
     cd "build" do