Index: include/node/common.gypi
--- include/node/common.gypi.orig
+++ include/node/common.gypi
@@ -190,7 +190,6 @@
             }],
           ],
         },
-        'cflags': [ '-O3' ],
         'conditions': [
           ['enable_lto=="true"', {
             'cflags': ['<(lto)'],
@@ -491,7 +490,7 @@
                 'ldflags': [ '-m32' ],
               }],
               [ 'host_arch=="ppc64" and OS not in "aix os400"', {
-                'cflags': [ '-m64', '-mminimal-toc' ],
+                'cflags': [ '-m64' ],
                 'ldflags': [ '-m64' ],
               }],
               [ 'host_arch=="s390x" and OS=="linux"', {
@@ -515,7 +514,7 @@
                 'ldflags': [ '-m32' ],
               }],
               [ 'target_arch=="ppc64" and OS not in "aix os400"', {
-                'cflags': [ '-m64', '-mminimal-toc' ],
+                'cflags': [ '-m64' ],
                 'ldflags': [ '-m64' ],
               }],
               [ 'target_arch=="s390x" and OS=="linux"', {