build: configure --shared

Add configure flag for building a shared library that can be
embedded in other applications (like Electron). Add flags
--without-bundled-v8 and --without-v8-platform to control V8
dependencies used.

PR-URL: https://github.com/nodejs/node/pull/6994
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

tools/getmoduleversion.py

@@ -0,0 +1,24 @@
+from __future__ import print_function
+import os
+import re
+
+def get_version():
+  node_version_h = os.path.join(
+    os.path.dirname(__file__),
+    '..',
+    'src',
+    'node_version.h')
+
+  f = open(node_version_h)
+
+  regex = '^#define NODE_MODULE_VERSION [0-9]+'
+
+  for line in f:
+    if re.match(regex, line):
+      major = line.split()[2]
+      return major
+  
+  raise Exception('Could not find pattern matching %s' % regex)
+
+if __name__ == '__main__':
+  print(get_version())

tools/getnodeversion.py

@@ -1,16 +1,20 @@
-import os,re
+import os
+import re
 
-node_version_h = os.path.join(os.path.dirname(__file__), '..', 'src',
+node_version_h = os.path.join(
+    os.path.dirname(__file__),
+    '..',
+    'src',
     'node_version.h')
 
 f = open(node_version_h)
 
 for line in f:
-  if re.match('#define NODE_MAJOR_VERSION', line):
+  if re.match('^#define NODE_MAJOR_VERSION', line):
     major = line.split()[2]
-  if re.match('#define NODE_MINOR_VERSION', line):
+  if re.match('^#define NODE_MINOR_VERSION', line):
     minor = line.split()[2]
-  if re.match('#define NODE_PATCH_VERSION', line):
+  if re.match('^#define NODE_PATCH_VERSION', line):
     patch = line.split()[2]
 
 print '%(major)s.%(minor)s.%(patch)s'% locals()

tools/install.py

@@ -6,6 +6,7 @@ import os
 import re
 import shutil
 import sys
+from getmoduleversion import get_version
 
 # set at init time
 node_prefix = '/usr/local' # PREFIX variable from Makefile
@@ -107,9 +108,22 @@ def subdir_files(path, dest, action):
 
 def files(action):
   is_windows = sys.platform == 'win32'
+  output_file = 'node'
+  output_prefix = 'out/Release/'
 
-  exeext = '.exe' if is_windows else ''
-  action(['out/Release/node' + exeext], 'bin/node' + exeext)
+  if 'false' == variables.get('node_shared'):
+    if is_windows:
+      output_file += '.exe'
+  else:
+    if is_windows:
+      output_file += '.dll'
+    else:
+      # GYP will output to lib.target, this is hardcoded in its source,
+      # see the _InstallableTargetInstallPath function.
+      output_prefix += 'lib.target/'
+      output_file = 'lib' + output_file + '.so.' + get_version()
+
+  action([output_prefix + output_file], 'bin/' + output_file)
 
   if 'true' == variables.get('node_use_dtrace'):
     action(['out/Release/node.d'], 'lib/dtrace/node.d')