Hash intermediate file name to avoid ENAMETOOLONG

pylib/gyp/generator/make.py

Index: pylib/gyp/generator/make.py
diff --git a/pylib/gyp/generator/make.py b/pylib/gyp/generator/make.py
index b7da768fb33f5a8e12ec6ffa4c20e2fc6c1434e8..0db84292047bab4aa4003e055567216e6c6f78ff 100644
--- a/pylib/gyp/generator/make.py
+++ b/pylib/gyp/generator/make.py
@@ -31,6 +31,8 @@ import gyp.xcode_emulation
 from gyp.common import GetEnvironFallback
 from gyp.common import GypError
 
+import hashlib
+
 generator_default_variables = {
   'EXECUTABLE_PREFIX': '',
   'EXECUTABLE_SUFFIX': '',
@@ -1743,7 +1745,10 @@ $(obj).$(TOOLSET)/$(TARGET)/%%.o: $(obj)/%%%s FORCE_DO_CMD
       #   actual command.
       # - The intermediate recipe will 'touch' the intermediate file.
       # - The multi-output rule will have an do-nothing recipe.
-      intermediate = "%s.intermediate" % (command if command else self.target)
+
+      # Hash the target name to avoid generating overlong filenames.
+      cmddigest = hashlib.sha1(command if command else self.target).hexdigest()
+      intermediate = "%s.intermediate" % (cmddigest)

[Nico, 2016/10/13 13:25:11]

(nit: no need for the parens here)

       self.WriteLn('%s: %s' % (' '.join(outputs), intermediate))
       self.WriteLn('\t%s' % '@:');
       self.WriteLn('%s: %s' % ('.INTERMEDIATE', intermediate))