Fix ARM cross build:

tools/gyp/configurations_make.gypi

 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 {
   'variables': {
     'dart_debug_optimization_level%': '2',
   },
   'target_defaults': {
     'configurations': {
@@ skipping 22 matching lines @@
         ],
         'ldflags': [
           '-Wl,-z,noexecstack',
           '-Wl,-z,now',
           '-Wl,-z,relro',
         ],
       },
 
       'Dart_Linux_ia32_Base': {
         'abstract': 1,
-        'cflags': [ '-m32', '-msse2', '-mfpmath=sse' ],
-        'ldflags': [ '-m32', ],
+        'cflags': [
+          '-m32',
+          '-msse2',
+          '-mfpmath=sse',
+        ],
+        'ldflags': [
+          '-m32',
+        ],
       },
 
       'Dart_Linux_x64_Base': {
         'abstract': 1,
-        'cflags': [ '-m64', '-msse2' ],
-        'ldflags': [ '-m64', ],
+        'cflags': [
+          '-m64',
+          '-msse2',
+        ],
+        'ldflags': [
+          '-m64',
+        ],
       },
 
       'Dart_Linux_simarm_Base': {
         'abstract': 1,
-        'cflags': [ '-O3', '-m32', '-msse2', '-mfpmath=sse' ],
-        'ldflags': [ '-m32', ],
+        'cflags': [
+          '-O3',
+          '-m32',
+          '-msse2',
+          '-mfpmath=sse',
+        ],
+        'ldflags': [
+          '-m32',
+        ],
       },
 
       'Dart_Linux_simarmv6_Base': {
         'abstract': 1,
-        'cflags': [ '-O3', '-m32', '-msse2', '-mfpmath=sse' ],
-        'ldflags': [ '-m32', ],
+        'cflags': [
+          '-O3',
+          '-m32',
+          '-msse2',
+          '-mfpmath=sse',
+        ],
+        'ldflags': [
+          '-m32',
+        ],
       },
 
       'Dart_Linux_simarmv5te_Base': {
         'abstract': 1,
-        'cflags': [ '-O3', '-m32', '-msse2', '-mfpmath=sse' ],
-        'ldflags': [ '-m32', ],
+        'cflags': [
+          '-O3',
+          '-m32',
+          '-msse2',
+          '-mfpmath=sse',
+        ],
+        'ldflags': [
+          '-m32',
+        ],
       },
 
       'Dart_Linux_simarm64_Base': {
         'abstract': 1,
-        'cflags': [ '-O3', '-m64', '-msse2', '-mfpmath=sse' ],
-        'ldflags': [ '-m64', ],
+        'cflags': [
+          '-O3',
+          '-m64',
+          '-msse2',
+          '-mfpmath=sse',
+        ],
+        'ldflags': [
+          '-m64',
+        ],
       },
 
       # ARM cross-build
       'Dart_Linux_xarm_Base': {
         'abstract': 1,
         'target_conditions': [
         ['_toolset=="target"', {
           'cflags': [
             '-marm',
             '-mfpu=vfp',
             '-Wno-psabi', # suppresses va_list warning
             '-fno-strict-overflow',
           ],
         }],
         ['_toolset=="host"', {
-          'cflags': ['-m32', '-msse2', '-mfpmath=sse' ],
-          'ldflags': ['-m32'],
+          'cflags': [
+            '-m32',
+            '-msse2',
+            '-mfpmath=sse',
+          ],
+          'ldflags': [
+            '-m32',
+          ],
         }]]
       },
 
       # ARM native build
       'Dart_Linux_arm_Base': {
         'abstract': 1,
         'cflags': [
           '-marm',
           '-mfpu=vfp',
           '-Wno-psabi', # suppresses va_list warning
           '-fno-strict-overflow',
         ],
       },
 
       # ARMv6 cross-build
       'Dart_Linux_xarmv6_Base': {
         'abstract': 1,
         'target_conditions': [
         ['_toolset=="target"', {
           'cflags': [
             '-march=armv6',
             '-mfpu=vfp',
             '-Wno-psabi', # suppresses va_list warning
             '-fno-strict-overflow',
           ],
         }],
         ['_toolset=="host"', {
-          'cflags': ['-m32', '-msse2', '-mfpmath=sse' ],
-          'ldflags': ['-m32'],
+          'cflags': [
+            '-m32',
+            '-msse2',
+            '-mfpmath=sse',
+          ],
+          'ldflags': [
+            '-m32',
+          ],
         }]]
       },
 
       # ARMv6 native build
       'Dart_Linux_armv6_Base': {
         'abstract': 1,
         'cflags': [
           '-march=armv6',
           '-mfpu=vfp',
           '-Wno-psabi', # suppresses va_list warning
           '-fno-strict-overflow',
         ],
       },
 
       # ARMv5 cross-build
       'Dart_Linux_xarmv5te_Base': {
         'abstract': 1,
         'target_conditions': [
         ['_toolset=="target"', {
           'cflags': [
             '-mthumb',
             '-mlong-calls',
             '-march=armv5te',
             '-mfloat-abi=soft',
             '-Wno-psabi', # suppresses va_list warning
             '-fno-strict-overflow',
           ],
         }],
         ['_toolset=="host"', {
-          'cflags': ['-m32', '-msse2', '-mfpmath=sse' ],
-          'ldflags': ['-m32'],
+          'cflags': [
+            '-m32',
+            '-msse2',
+            '-mfpmath=sse',
+          ],
+          'ldflags': [
+            '-m32',
+          ],
         }]]
       },
 
       # ARMv5 native build
       'Dart_Linux_armv5te_Base': {
         'abstract': 1,
         'cflags': [
           '-mthumb',
           '-mlong-calls',
           '-march=armv5te',
           '-mfloat-abi=soft',
           '-Wno-psabi', # suppresses va_list warning
           '-fno-strict-overflow',
         ],
       },
 
       # ARM64 cross-build
       'Dart_Linux_xarm64_Base': {
         'abstract': 1,
         'target_conditions': [
         ['_toolset=="target"', {
-          'cflags': [ '-O3', ],
+          'cflags': [
+            '-O3',
+          ],
         }],
         ['_toolset=="host"', {
-          'cflags': ['-O3', '-m64', '-msse2'],
-          'ldflags': ['-m64'],
+          'cflags': [
+            '-O3',
+            '-m64',
+            '-msse2',
+          ],
+          'ldflags': [
+            '-m64',
+          ],
         }]]
       },
 
       # ARM64 native build
       'Dart_Linux_arm64_Base': {
         'abstract': 1,
-        'cflags': [ '-O3', ],
+        'cflags': [
+          '-O3',
+        ],
       },
 
       'Dart_Linux_simmips_Base': {
         'abstract': 1,
-        'cflags': [ '-O3', '-m32', '-msse2', '-mfpmath=sse' ],
-        'ldflags': [ '-m32', ],
+        'cflags': [
+          '-O3',
+          '-m32',
+          '-msse2',
+          '-mfpmath=sse',
+        ],
+        'ldflags': [
+          '-m32',
+        ],
       },
 
       # MIPS cross-build
       'Dart_Linux_xmips_Base': {
         'abstract': 1,
         'target_conditions': [
           ['_toolset=="target"', {
             'cflags': [
               '-EL',
               '-march=mips32',
               '-mhard-float',
               '-fno-strict-overflow',
             ],
             'ldflags': [
               '-EL',
             ],
           }],
           ['_toolset=="host"',{
-            'cflags': [ '-O3', '-m32', '-msse2', '-mfpmath=sse' ],
-            'ldflags': [ '-m32' ],
+            'cflags': [
+              '-O3',
+              '-m32',
+              '-msse2',
+              '-mfpmath=sse',
+            ],
+            'ldflags': [
+              '-m32',
+            ],
         }]]
       },
 
       # MIPS native build
       'Dart_Linux_mips_Base': {
         'abstract': 1,
         'cflags': [
           '-march=mips32',
           '-mhard-float',
           '-fno-strict-overflow',
         ],
       },
 
       'Dart_Linux_Debug': {
         'abstract': 1,
         'cflags': [
           '-O<(dart_debug_optimization_level)',
           '-fno-omit-frame-pointer',
           # Clang on Linux will still omit frame pointers from leaf
           # functions unless told otherwise:
           # (note this flag only works on recent GCC versions.)
-          '-mno-omit-leaf-frame-pointer',
+          #'-mno-omit-leaf-frame-pointer',
         ],
       },
 
       'Dart_Linux_Release': {
         'abstract': 1,
         'cflags': [
           '-O3',
           '-ffunction-sections',
           '-fno-omit-frame-pointer',
           # Clang on Linux will still omit frame pointers from leaf
           # functions unless told otherwise:
           # (note this flag only works on recent GCC versions.)
-          '-mno-omit-leaf-frame-pointer',
+          #'-mno-omit-leaf-frame-pointer',
         ],
         'ldflags': [
           '-Wl,--gc-sections',
         ],
       },
 
       'Dart_Linux_Product': {
         'abstract': 1,
         'cflags': [
           '-O3',
           '-ffunction-sections',
           '-fomit-frame-pointer',
         ],
         'ldflags': [
           '-Wl,--gc-sections',
         ],
       },
     },
   },
 }