Merge pull request #95 from cowboyd/gcc48

Add GCC 4.8 compilation support

Rakefile

@@ -25,8 +25,21 @@ task :checkout do
   end
 end
 
+desc "apply the libv8 gem patches to the vendored v8 source"
+task :patch do
+  File.open("#{V8_Source}/.applied_patches", File::RDWR|File::CREAT) do |f|
+    available_patches = Dir.glob('patches/*.patch').sort
+    applied_patches = f.readlines.map(&:chomp)
+
+    (available_patches - applied_patches).each do |patch|
+      sh "patch -p1 -N -d vendor/v8 < #{patch}"
+      f.puts patch
+    end
+  end
+end
+
 desc "compile v8 via the ruby extension mechanism"
-task :compile do
+task :compile => :patch do
   sh "ruby ext/libv8/extconf.rb"
 end
 
@@ -90,4 +103,4 @@ task :vulcan => directory("tmp/vulcan") do
 end
 
 task :default => [:checkout, :compile, :spec]
-task :build => [:clean, :checkout]
+task :build => [:clean, :checkout, :patch]

patches/disable-building-tests.patch

@@ -0,0 +1,25 @@
+diff --git a/Makefile b/Makefile
+index 0cdae4b..2bf8aa5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -153,7 +153,7 @@ ANDROID_ARCHES = android_ia32 android_arm
+ # List of files that trigger Makefile regeneration:
+ GYPFILES = build/all.gyp build/common.gypi build/standalone.gypi \
+            preparser/preparser.gyp samples/samples.gyp src/d8.gyp \
+-           test/cctest/cctest.gyp tools/gyp/v8.gyp
++           tools/gyp/v8.gyp
+ 
+ # Generates all combinations of ARCHES and MODES, e.g. "ia32.release".
+ BUILDS = $(foreach mode,$(MODES),$(addsuffix .$(mode),$(ARCHES)))
+diff --git a/build/all.gyp b/build/all.gyp
+index 4b2fe52..9885678 100644
+--- a/build/all.gyp
++++ b/build/all.gyp
+@@ -11,7 +11,6 @@
+         '../preparser/preparser.gyp:*',
+         '../samples/samples.gyp:*',
+         '../src/d8.gyp:d8',
+-        '../test/cctest/cctest.gyp:*',
+       ],
+     }
+   ]

patches/fPIC-for-static.patch

@@ -0,0 +1,13 @@
+diff --git a/build/standalone.gypi b/build/standalone.gypi
+index 125c5bf..71641a3 100644
+--- a/build/standalone.gypi
++++ b/build/standalone.gypi
+@@ -107,7 +107,7 @@
+           [ 'visibility=="hidden" and v8_enable_backtrace==0', {
+             'cflags': [ '-fvisibility=hidden' ],
+           }],
+-          [ 'component=="shared_library"', {
++          [ 'component=="shared_library" or component=="static_library" and v8_target_arch=="x64"', {
+             'cflags': [ '-fPIC', ],
+           }],
+         ],

patches/gcc48-wno-unused-local-typedefs.patch

@@ -0,0 +1,28 @@
+diff --git a/build/common.gypi b/build/common.gypi
+index 3a59639..365178a 100644
+--- a/build/common.gypi
++++ b/build/common.gypi
+@@ -376,7 +376,8 @@
+           }],
+           ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd"', {
+             'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-parameter',
+-                        '-Wnon-virtual-dtor', '-Woverloaded-virtual' ],
++                        '-Wnon-virtual-dtor', '-Woverloaded-virtual',
++                        '-Wno-unused-local-typedefs' ],
+           }],
+           ['OS=="linux" and v8_enable_backtrace==1', {
+             # Support for backtrace_symbols.
+diff --git a/build/standalone.gypi b/build/standalone.gypi
+index 125c5bf..32eaf85 100644
+--- a/build/standalone.gypi
++++ b/build/standalone.gypi
+@@ -98,7 +98,8 @@
+       'target_defaults': {
+         'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-parameter',
+                     '-Wnon-virtual-dtor', '-pthread', '-fno-rtti',
+-                    '-fno-exceptions', '-pedantic' ],
++                    '-fno-exceptions', '-pedantic',
++                    '-Wno-unused-local-typedefs' ],
+         'ldflags': [ '-pthread', ],
+         'conditions': [
+           [ 'OS=="linux"', {