fix OSX build

clean_build.sh

@@ -5,8 +5,17 @@ mkdir build || exit 1
 cd build || exit 1
 # some environments have cmake v2 as 'cmake' and v3 as 'cmake3'
 # check for cmake3 first then fallback to just cmake
-CMAKE=`which cmake3 2>/dev/null`
-[ $? -ne 0 -o "x$CMAKE" = "x" ] && CMAKE=cmake
-$CMAKE -D CMAKE_BUILD_TYPE=Debug .. || exit 1
+B_CMAKE=`which cmake3 2>/dev/null`
+[ $? -ne 0 -o "x$B_CMAKE" = "x" ] && B_CMAKE=cmake
+# default build configuration
+B_BUILD_TYPE=${B_BUILD_TYPE:-Debug}
+if [ "$(uname)" = "Darwin" ]; then
+    # OSX needs a lot of extra help, poor thing
+    # run the osx_environment.sh script to fix paths
+    [ -r ../osx_environment.sh ] && source ../osx_environment.sh
+    B_CMAKE_FLAGS="-DCMAKE_OSX_SYSROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk $B_CMAKE_FLAGS"
+fi
+B_CMAKE_FLAGS="-DCMAKE_BUILD_TYPE=$B_BUILD_TYPE $B_CMAKE_FLAGS"
+$B_CMAKE $B_CMAKE_FLAGS .. || exit 1
 make || exit 1
 echo "Build completed successfully"

osx_environment.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+if [ ! $BARRIER_BUILD_ENV ]; then
+
+    printf "Modifying environment for Barrier build..."
+
+    QT_PATH=$(brew --prefix qt)
+    OPENSSL_PATH=$(brew --prefix openssl)
+
+    export CMAKE_PREFIX_PATH="$QT_PATH:$CMAKE_PREFIX_PATH"
+    export LD_LIBRARY_PATH="$OPENSSL_PATH/lib:$LD_LIBRARY_PATH"
+    export CPATH="$OPENSSL_PATH/include:$CPATH"
+    export PKG_CONFIG_PATH="$OPENSSL_PATH/lib/pkgconfig:$PKG_CONFIG_PATH"
+    export BARRIER_BUILD_ENV=1
+
+    printf "done\n"
+fi

src/gui/CMakeLists.txt

@@ -33,6 +33,9 @@ if (WIN32)
                   PATH_SUFFIXES "Lib/x64")
     set_target_properties (barrier PROPERTIES LINK_FLAGS "/NODEFAULTLIB:LIBCMT")
     target_link_libraries (barrier ${DNSSD_LIB})
+elseif (APPLE)
+    find_library(APPSERVICES_LIB ApplicationServices)
+    target_link_libraries(barrier ${APPSERVICES_LIB})
 elseif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
     target_link_libraries (barrier dns_sd)
 else()