Small changes to get things building and running on Linux/ARM.

gyp/common_conditions.gypi

 # conditions used in both common.gypi and skia.gyp in chromium
 #
 {
   'defines': [
     'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=<(skia_static_initializers)',
     'SK_SUPPORT_GPU=<(skia_gpu)',
     'SK_SUPPORT_OPENCL=<(skia_opencl)',
     'SK_FORCE_DISTANCE_FIELD_TEXT=<(skia_force_distance_field_text)',
   ],
   'conditions' : [
@@ skipping 280 matching lines @@
                 ],
                 'cflags': [
                   '-mfpu=neon',
                 ],
               }],
               [ 'arm_neon_optional == 1', {
                 'defines': [
                   'SK_ARM_HAS_OPTIONAL_NEON',
                 ],
               }],
-              [ 'skia_os != "chromeos"', {
+              [ 'skia_os != "chromeos" and skia_os != "linux"', {
                 'cflags': [
                   '-mfloat-abi=softfp',
                 ],
               }],
             ],
           }],
           [ 'skia_arch_type == "mips"', {
             'cflags': [
               '-EL',
             ],
@@ skipping 337 matching lines @@
     [ 'skia_is_bot', {
       'defines': [ 'SK_CRASH_HANDLER' ],
     }],
 
   ], # end 'conditions'
   # The Xcode SYMROOT must be at the root. See build/common.gypi in chromium for more details
   'xcode_settings': {
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }