roboto make

(roboto-env) m_fujii@LimMbp53 roboto % make
PYTHONPATH=:/Users/m_fujii/myFonts/github/roboto-src/roboto/scripts/lib python scripts/build-v2.py
---------------------
Roboto Thin
----------------------
>> Mixing masters
>> Generating glyphs
>> Generating diacritics
Existing glyph "zcaron" found in font, ignoring composition rule "z+caron:top=zcaron"
Existing glyph "Iogonek.smcp" found in font, ignoring composition rule "I.smcp+ogonek:right=Iogonek.smcp"
Existing glyph "uni0424" found in font, ignoring composition rule "Phi=uni0424"
Existing glyph "uni048D" found in font, ignoring composition rule "uni044C+crossbar:cross=uni048D"
Existing glyph "uni0463" found in font, ignoring composition rule "uni044C+crossbar:cross=uni0463"
Existing glyph "uni1E2C" found in font, ignoring composition rule "I+tildesubnosp:bottom=uni1E2C"
Existing glyph "uni1E2D" found in font, ignoring composition rule "i+tildesubnosp:bottom=uni1E2D"
Existing glyph "uni1E2E" found in font, ignoring composition rule "I+dieresisacutecomb:top=uni1E2E"
Existing glyph "uni1E2F" found in font, ignoring composition rule "dotlessi+dieresisacutecomb.lc:top=uni1E2F"
Existing glyph "uni1E3E" found in font, ignoring composition rule "M+acute:top=uni1E3E"
Existing glyph "uni1E3F" found in font, ignoring composition rule "m+acute:top=uni1E3F"
Existing glyph "uni1E9B" found in font, ignoring composition rule "longs+dotaccent:top=uni1E9B"
Existing glyph "uni2C69" found in font, ignoring composition rule "K+cyrillictic:right=uni2C69"
Existing glyph "uni2C6A" found in font, ignoring composition rule "k+cyrillictic:right=uni2C6A"
Existing glyph "uni2C6B" found in font, ignoring composition rule "Z+cyrillictic:right=uni2C6B"
Existing glyph "uni2C6C" found in font, ignoring composition rule "z+cyrillictic:right=uni2C6C"
>> Copying features
>> Decomposing
>> Removing overlaps
>> Generating font files
>> Generating OTF file
Traceback (most recent call last):
  File "scripts/build-v2.py", line 87, in <module>
    proj.generateFont(th.font, "%s/Thin/Regular/Th" % FAMILYNAME)
  File "/Users/m_fujii/myFonts/github/roboto-src/roboto/scripts/lib/fontbuild/Build.py", line 159, in generateFont
    self.thinGlyphOrder if "Thin" in otfName else self.glyphOrder)
  File "/Users/m_fujii/myFonts/github/roboto-src/roboto/scripts/lib/fontbuild/Build.py", line 281, in saveOTF
    useProductionNames=False)
  File "/Users/m_fujii/myFonts/github/roboto-src/roboto-env/lib/python2.7/site-packages/ufo2ft/__init__.py", line 24, in compileOTF
    otf = outlineCompiler.compile()
  File "/Users/m_fujii/myFonts/github/roboto-src/roboto-env/lib/python2.7/site-packages/ufo2ft/outlineOTF.py", line 98, in compile
    self.setupOtherTables()
  File "/Users/m_fujii/myFonts/github/roboto-src/roboto-env/lib/python2.7/site-packages/ufo2ft/outlineOTF.py", line 780, in setupOtherTables
    self.setupTable_CFF()
  File "/Users/m_fujii/myFonts/github/roboto-src/roboto-env/lib/python2.7/site-packages/ufo2ft/outlineOTF.py", line 895, in setupTable_CFF
    glyph = self.allGlyphs[glyphName]
KeyError: 'Lj'
make: *** [v2] Error 1
(roboto-env) m_fujii@LimMbp53 roboto % 

macでビルドしたので、case-sensitiveのエラー github.com