MIPS: Enable v8 compilation with CLANG.

build/toolchain.gypi

Index: build/toolchain.gypi
diff --git a/build/toolchain.gypi b/build/toolchain.gypi
index 7c96144b38520cba5569a4d569cf7efb5b4702d6..8f363e88dac5176042d665d1c56d5f9d98383d91 100644
--- a/build/toolchain.gypi
+++ b/build/toolchain.gypi
@@ -357,6 +357,9 @@
               ['ld_r_path!=""', {
                 'ldflags': ['-Wl,--rpath=<(ld_r_path)'],
               }],
+              [ 'clang==1', {
+                'cflags': ['-integrated-as'],
+              }],
             ],
           }],
         ],
@@ -406,7 +409,12 @@
                       'FPU_MODE_FP64',
                     ],
                     'cflags!': ['-mfp32', '-mfpxx'],
-                    'cflags': ['-mips32r6', '-Wa,-mips32r6'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32r6'],
+                      }],
+                    ],
+                    'cflags': ['-mips32r6'],
                     'ldflags': ['-mips32r6'],
                   }],
                   ['mips_arch_variant=="r2"', {
@@ -433,7 +441,12 @@
                         'cflags': ['-mfp32'],
                       }],
                     ],
-                    'cflags': ['-mips32r2', '-Wa,-mips32r2'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32r2'],
+                      }],
+                    ],
+                    'cflags': ['-mips32r2'],
                     'ldflags': ['-mips32r2'],
                   }],
                   ['mips_arch_variant=="r1"', {
@@ -441,7 +454,12 @@
                       'FPU_MODE_FP32',
                     ],
                     'cflags!': ['-mfp64', '-mfpxx'],
-                    'cflags': ['-mips32', '-Wa,-mips32'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32'],
+                      }],
+                    ],
+                    'cflags': ['-mips32'],
                     'ldflags': ['-mips32'],
                   }],
                   ['mips_arch_variant=="rx"', {
@@ -450,7 +468,12 @@
                       'FPU_MODE_FPXX',
                     ],
                     'cflags!': ['-mfp64', '-mfp32'],
-                    'cflags': ['-mips32', '-Wa,-mips32', '-mfpxx'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32'],
+                      }],
+                    ],
+                    'cflags': ['-mips32', '-mfpxx'],
                     'ldflags': ['-mips32'],
                   }],
                 ],
@@ -589,7 +612,12 @@
                       'FPU_MODE_FP64',
                     ],
                     'cflags!': ['-mfp32', '-mfpxx'],
-                    'cflags': ['-mips32r6', '-Wa,-mips32r6'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32r6'],
+                      }],
+                    ],
+                    'cflags': ['-mips32r6'],
                     'ldflags': ['-mips32r6'],
                   }],
                   ['mips_arch_variant=="r2"', {
@@ -616,12 +644,22 @@
                         'cflags': ['-mfp32'],
                       }],
                     ],
-                    'cflags': ['-mips32r2', '-Wa,-mips32r2'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32r2'],
+                      }],
+                    ],
+                    'cflags': ['-mips32r2'],
                     'ldflags': ['-mips32r2'],
                   }],
                   ['mips_arch_variant=="r1"', {
                     'cflags!': ['-mfp64', '-mfpxx'],
-                    'cflags': ['-mips32', '-Wa,-mips32'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32'],
+                      }],
+                    ],
+                    'cflags': ['-mips32'],
                     'ldflags': ['-mips32'],
                   }],
                   ['mips_arch_variant=="rx"', {
@@ -630,7 +668,12 @@
                       'FPU_MODE_FPXX',
                     ],
                     'cflags!': ['-mfp64', '-mfp32'],
-                    'cflags': ['-mips32', '-Wa,-mips32', '-mfpxx'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips32'],
+                      }],
+                    ],
+                    'cflags': ['-mips32', '-mfpxx'],
                     'ldflags': ['-mips32'],
                   }],
                   ['mips_arch_variant=="loongson"', {
@@ -639,7 +682,12 @@
                       'FPU_MODE_FP32',
                     ],
                     'cflags!': ['-mfp64', '-mfpxx'],
-                    'cflags': ['-mips3', '-Wa,-mips3', '-mfp32'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips3'],
+                      }],
+                    ],
+                    'cflags': ['-mips3', '-mfp32'],
                   }],
                 ],
               }, {
@@ -800,12 +848,22 @@
                   }],
                   ['mips_arch_variant=="r6"', {
                     'defines': ['_MIPS_ARCH_MIPS64R6',],
-                    'cflags': ['-mips64r6', '-mabi=64', '-Wa,-mips64r6'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips64r6'],
+                      }],
+                    ],
+                    'cflags': ['-mips64r6', '-mabi=64'],
                     'ldflags': ['-mips64r6', '-mabi=64'],
                   }],
                   ['mips_arch_variant=="r2"', {
                     'defines': ['_MIPS_ARCH_MIPS64R2',],
-                    'cflags': ['-mips64r2', '-mabi=64', '-Wa,-mips64r2'],
+                    'conditions': [
+                      [ 'clang==0', {
+                        'cflags': ['-Wa,-mips64r2'],
+                      }],
+                    ],
+                    'cflags': ['-mips64r2', '-mabi=64'],
                     'ldflags': ['-mips64r2', '-mabi=64'],
                   }],
                 ],