Add support for Mac build

test=develop

Author: velconia

paddle/scripts/paddle_build.sh

@@ -94,6 +94,30 @@ function cmake_gen() {
             else
                 exit 1
             fi
+        elif [ "$1" == "cp36-cp36m" ]; then
+            if [ -d "/Library/Frameworks/Python.framework/Versions/3.6" ]; then
+                export LD_LIBRARY_PATH=/Library/Frameworks/Python.framework/Versions/3.6/lib/
+                export DYLD_LIBRARY_PATH=/Library/Frameworks/Python.framework/Versions/3.6/lib/
+                export PATH=/Library/Frameworks/Python.framework/Versions/3.6/bin/:${PATH}
+                PYTHON_FLAGS="-DPYTHON_EXECUTABLE:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.6/bin/python3
+            -DPYTHON_INCLUDE_DIR:PATH=/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m/
+            -DPYTHON_LIBRARY:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.6/lib/libpython3.6m.dylib"
+                WITH_FLUID_ONLY=${WITH_FLUID_ONLY:-ON}
+            else
+                exit 1
+            fi
+        elif [ "$1" == "cp37-cp37m" ]; then
+            if [ -d "/Library/Frameworks/Python.framework/Versions/3.7" ]; then
+                export LD_LIBRARY_PATH=/Library/Frameworks/Python.framework/Versions/3.7/lib/
+                export DYLD_LIBRARY_PATH=/Library/Frameworks/Python.framework/Versions/3.7/lib/
+                export PATH=/Library/Frameworks/Python.framework/Versions/3.7/bin/:${PATH}
+                PYTHON_FLAGS="-DPYTHON_EXECUTABLE:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.7/bin/python3
+            -DPYTHON_INCLUDE_DIR:PATH=/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m/
+            -DPYTHON_LIBRARY:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.7/lib/libpython3.7m.dylib"
+                WITH_FLUID_ONLY=${WITH_FLUID_ONLY:-ON}
+            else
+                exit 1
+            fi
         fi
     else
         if [ "$1" != "" ]; then