Merge up to 8597 to experimental/gc from the bleeding edge.

SConstruct

Index: SConstruct
===================================================================
--- SConstruct	(revision 8618)
+++ SConstruct	(working copy)
@@ -89,7 +89,7 @@
   'gcc': {
     'all': {
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
-      'CXXFLAGS':     ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
+      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
     },
     'visibility:hidden': {
       # Use visibility=default to disable this.
@@ -230,7 +230,7 @@
   'msvc': {
     'all': {
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
-      'CXXFLAGS':     ['$CCFLAGS', '/GR-', '/Gy'],
+      'CXXFLAGS':     ['/GR-', '/Gy'],
       'CPPDEFINES':   ['WIN32'],
       'LINKFLAGS':    ['/INCREMENTAL:NO', '/NXCOMPAT', '/IGNORE:4221'],
       'CCPDBFLAGS':   ['/Zi']
@@ -400,12 +400,15 @@
 CCTEST_EXTRA_FLAGS = {
   'all': {
     'CPPPATH': [join(root_dir, 'src')],
+    'library:shared': {
+      'CPPDEFINES': ['USING_V8_SHARED']
+    },
   },
   'gcc': {
     'all': {
       'LIBPATH':      [abspath('.')],
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
-      'CXXFLAGS':     ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
+      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
       'LINKFLAGS':    ['$CCFLAGS'],
     },
     'os:linux': {
@@ -436,9 +439,6 @@
       'CPPDEFINES': ['_HAS_EXCEPTIONS=0'],
       'LIBS': ['winmm', 'ws2_32']
     },
-    'library:shared': {
-      'CPPDEFINES': ['USING_V8_SHARED']
-    },
     'arch:ia32': {
       'CPPDEFINES': ['V8_TARGET_ARCH_IA32']
     },
@@ -453,12 +453,15 @@
 SAMPLE_FLAGS = {
   'all': {
     'CPPPATH': [join(abspath('.'), 'include')],
+    'library:shared': {
+      'CPPDEFINES': ['USING_V8_SHARED']
+    },
   },
   'gcc': {
     'all': {
       'LIBPATH':      ['.'],
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
-      'CXXFLAGS':     ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
+      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
       'LINKFLAGS':    ['$CCFLAGS'],
     },
     'os:linux': {
@@ -472,6 +475,9 @@
       'LIBS':         ['execinfo', 'pthread']
     },
     'os:solaris': {
+      # On Solaris, to get isinf, INFINITY, fpclassify and other macros one
+      # needs to define __C99FEATURES__.
+      'CPPDEFINES': ['__C99FEATURES__'],
       'LIBPATH' :     ['/usr/local/lib'],
       'LIBS':         ['m', 'pthread', 'socket', 'nsl', 'rt'],
       'LINKFLAGS':    ['-mt']
@@ -572,9 +578,6 @@
     'verbose:on': {
       'LINKFLAGS': ['/VERBOSE']
     },
-    'library:shared': {
-      'CPPDEFINES': ['USING_V8_SHARED']
-    },
     'prof:on': {
       'LINKFLAGS': ['/MAP']
     },
@@ -625,13 +628,16 @@
 
 PREPARSER_FLAGS = {
   'all': {
-    'CPPPATH': [join(abspath('.'), 'include'), join(abspath('.'), 'src')]
+    'CPPPATH': [join(abspath('.'), 'include'), join(abspath('.'), 'src')],
+    'library:shared': {
+      'CPPDEFINES': ['USING_V8_SHARED']
+    },
   },
   'gcc': {
     'all': {
       'LIBPATH':      ['.'],
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
-      'CXXFLAGS':     ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
+      'CXXFLAGS':     ['-fno-rtti', '-fno-exceptions'],
       'LINKFLAGS':    ['$CCFLAGS'],
     },
     'os:win32': {
@@ -712,6 +718,9 @@
       'CCFLAGS':      ['-g', '-O0'],
       'CPPDEFINES':   ['DEBUG']
     },
+    'os:freebsd': {
+      'LIBPATH' : ['/usr/local/lib'],
+    },
   },
   'msvc': {
     'all': {
@@ -724,9 +733,6 @@
     'verbose:on': {
       'LINKFLAGS': ['/VERBOSE']
     },
-    'library:shared': {
-      'CPPDEFINES': ['USING_V8_SHARED']
-    },
     'prof:on': {
       'LINKFLAGS': ['/MAP']
     },
@@ -779,7 +785,7 @@
   'gcc': {
     'all': {
       'CCFLAGS': ['$DIALECTFLAGS', '$WARNINGFLAGS'],
-      'CXXFLAGS': ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
+      'CXXFLAGS': ['-fno-rtti', '-fno-exceptions'],
       'LINKFLAGS': ['$CCFLAGS'],
     },
     'console:readline': {
@@ -807,6 +813,12 @@
     'arch:arm': {
       'LINKFLAGS':   ARM_LINK_FLAGS
     },
+    'compress_startup_data:bz2': {
+      'CPPDEFINES':   ['COMPRESS_STARTUP_DATA_BZ2'],
+      'os:linux': {
+        'LIBS': ['bz2']
+      }
+    }
   },
   'msvc': {
     'all': {
@@ -1146,8 +1158,8 @@
     return False
   if env['os'] == 'win32' and env['library'] == 'shared' and env['prof'] == 'on':
     Abort("Profiling on windows only supported for static library.")
-  if env['gdbjit'] == 'on' and (env['os'] != 'linux' or (env['arch'] != 'ia32' and env['arch'] != 'x64' and env['arch'] != 'arm')):
-    Abort("GDBJIT interface is supported only for Intel-compatible (ia32 or x64) Linux target.")
+  if env['gdbjit'] == 'on' and ((env['os'] != 'linux' and env['os'] != 'macos') or (env['arch'] != 'ia32' and env['arch'] != 'x64' and env['arch'] != 'arm')):
+    Abort("GDBJIT interface is supported only for Intel-compatible (ia32 or x64) Linux/OSX target.")
   if env['os'] == 'win32' and env['soname'] == 'on':
     Abort("Shared Object soname not applicable for Windows.")
   if env['soname'] == 'on' and env['library'] == 'static':
@@ -1366,9 +1378,11 @@
     pdb_name = library_name + '.dll.pdb'
     library = env.SharedLibrary(library_name, object_files, PDB=pdb_name)
     preparser_pdb_name = preparser_library_name + '.dll.pdb';
+    preparser_soname = 'lib' + preparser_library_name + '.so';
     preparser_library = env.SharedLibrary(preparser_library_name,
                                           preparser_files,
-                                          PDB=preparser_pdb_name)
+                                          PDB=preparser_pdb_name,
+                                          SONAME=preparser_soname)
   context.library_targets.append(library)
   context.library_targets.append(preparser_library)
 
@@ -1411,7 +1425,7 @@
   preparser_object = preparser_env.SConscript(
     join('preparser', 'SConscript'),
     build_dir=join('obj', 'preparser', target_id),
-    exports='context',
+    exports='context tools',
     duplicate=False
   )
   preparser_name = join('obj', 'preparser', target_id, 'preparser')