Index: SConstruct
--- SConstruct.orig	2011-09-07 18:06:10.000000000 +0200
+++ SConstruct	2011-11-12 08:15:38.000000000 +0100
@@ -287,10 +287,7 @@
 V8_EXTRA_FLAGS = {
   'gcc': {
     'all': {
-      'WARNINGFLAGS': ['-Wall',
-                       '-Werror',
-                       '-W',
-                       '-Wno-unused-parameter',
+      'WARNINGFLAGS': ['-Wno-unused-parameter',
                        '-Wnon-virtual-dtor']
     },
     'os:win32': {
@@ -382,7 +379,7 @@
 DTOA_EXTRA_FLAGS = {
   'gcc': {
     'all': {
-      'WARNINGFLAGS': ['-Werror', '-Wno-uninitialized'],
+      'WARNINGFLAGS': ['-Wno-uninitialized'],
       'CCFLAGS': GCC_DTOA_EXTRA_CCFLAGS
     }
   },
@@ -806,14 +803,14 @@
       'LIBS': ['pthread'],
     },
     'os:freebsd': {
-      'LIBS': ['pthread'],
+      'LIBS': ['execinfo', 'pthread']
     },
     'os:solaris': {
       'LIBS': ['m', 'pthread', 'socket', 'nsl', 'rt'],
       'LINKFLAGS': ['-mt']
     },
     'os:openbsd': {
-      'LIBS': ['pthread'],
+      'LIBS': ['execinfo', 'pthread']
     },
     'os:win32': {
       'LIBS': ['winmm', 'ws2_32'],