Merge pull request BVLC#5824 from ek9852/master

[cmake] fix hardcode xcode path

Author: shelhamer

cmake/Modules/FindvecLib.cmake

@@ -12,11 +12,12 @@ endif()
 
 set(__veclib_include_suffix "Frameworks/vecLib.framework/Versions/Current/Headers")
 
+exec_program(xcode-select ARGS -print-path OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR)
 find_path(vecLib_INCLUDE_DIR vecLib.h
           DOC "vecLib include directory"
           PATHS /System/Library/Frameworks/Accelerate.framework/Versions/Current/${__veclib_include_suffix}
                 /System/Library/${__veclib_include_suffix}
-                /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Accelerate.framework/Versions/Current/Frameworks/vecLib.framework/Headers/
+                ${CMAKE_XCODE_DEVELOPER_DIR}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Accelerate.framework/Versions/Current/Frameworks/vecLib.framework/Headers/
           NO_DEFAULT_PATH)
 
 include(FindPackageHandleStandardArgs)