Contribution of PowerPC port (continuation of 422063005) - AIX Common1

build/standalone.gypi

Index: build/standalone.gypi
diff --git a/build/standalone.gypi b/build/standalone.gypi
index 0e36b0e5f522bd77b2d863063cc114560179fa6c..2d9ba173d1c5cdbd6d09868ecfc767aa3fd47303 100644
--- a/build/standalone.gypi
+++ b/build/standalone.gypi
@@ -35,7 +35,6 @@
     'component%': 'static_library',
     'make_clang_dir%': '../third_party/llvm-build/Release+Asserts',
     'clang_xcode%': 0,
-    'visibility%': 'hidden',
     'v8_enable_backtrace%': 0,
     'v8_enable_i18n_support%': 1,
     'v8_deprecation_warnings': 1,
@@ -46,7 +45,7 @@
         'variables': {
           'conditions': [
             ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or \
-               OS=="netbsd" or OS=="mac" or OS=="qnx"', {
+               OS=="netbsd" or OS=="mac" or OS=="qnx" or OS=="aix"', {
               # This handles the Unix platforms we generally deal with.
               # Anything else gets passed through, which probably won't work
               # very well; such hosts should pass an explicit target_arch
@@ -54,7 +53,7 @@
               'host_arch%': '<!pymod_do_main(detect_v8_host_arch)',
             }, {
               # OS!="linux" and OS!="freebsd" and OS!="openbsd" and
-              # OS!="netbsd" and OS!="mac"
+              # OS!="netbsd" and OS!="mac" and OS!="aix"
               'host_arch%': 'ia32',
             }],
           ],
@@ -151,6 +150,11 @@
       }, {
         'clang%': 0,
       }],
+      ['OS=="aix"', {
+        'visibility%': '',

[Sven Panne, 2015/01/27 11:47:05]

What's the reason for this special case?

[michael_dawson, 2015/01/29 00:08:29]

It seems to have been added when we added the -gxcoff flag for AIX, but I don't
see why it is necessary.  I removed and re-ran tests on AIX and it did not
change the results so I'll remove.  

+      }, {
+        'visibility%': 'hidden',
+      }],
     ],
     # Default ARM variable settings.
     'arm_version%': 'default',
@@ -183,6 +187,9 @@
               '_GLIBCXX_DEBUG'
             ],
           }],
+          [ 'OS=="aix"', {
+            'cflags': [ '-gxcoff' ],
+          }],
         ],
       },
       'Optdebug': {
@@ -284,7 +291,7 @@
       },
     }],
     ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
-       or OS=="netbsd"', {
+       or OS=="netbsd" or OS=="aix"', {
       'target_defaults': {
         'cflags': [
           '-Wall',
@@ -301,6 +308,9 @@
         'cflags_cc': [ '-Wnon-virtual-dtor', '-fno-rtti', '-std=gnu++0x' ],
         'ldflags': [ '-pthread', ],
         'conditions': [
+          [ 'host_arch=="ppc64"', {
+            'cflags': [ '-mminimal-toc' ],
+          }],
           [ 'visibility=="hidden" and v8_enable_backtrace==0', {
             'cflags': [ '-fvisibility=hidden' ],
           }],