我已关注simple firefox build instructions，但发生了以下错误：
Gabor@AMANDA /c/dev/mozilla-central
$ ./mach build
0:00.36 C:/mozilla-build/msys/bin/sh.exe -c c:/mozilla-build/python/python.exe
c:/dev/mozilla-central/build/pymake/make.py -f client.mk -s
0:03.79 Adding client.mk options from c:/dev/mozilla-central/.mozconfig:
0:03.79 MOZ_OBJDIR=$(TOPSRCDIR)/obj-ff
0:03.79 FOUND_MOZCONFIG := c:/dev/mozilla-central/.mozconfig
0:04.83 c:\dev\mozilla-central\obj-ff\backend.RecursiveMakeBackend.pp:1:0:Targe
t 'backend.RecursiveMakeBackend' does not match the static pattern 'c:/C'
0:04.83 c:\dev\mozilla-central\client.mk:398:0: command 'c:/mozilla-build/pytho
n/python.exe c:/dev/mozilla-central/build/pymake/pymake/../make.py -j4 -C c:/dev
/mozilla-central/obj-ff' failed, return code 2
0:04.83 c:\dev\mozilla-central\client.mk:185:0: command 'c:/mozilla-build/pytho
n/python.exe c:/dev/mozilla-central/build/pymake/pymake/../make.py -f c:/dev/moz
illa-central/client.mk realbuild' failed, return code 2
0:04.95 0 compiler warnings present.
2
任何人都知道会出现什么问题？
Mozconfig只包含这个： mk_add_options MOZ_OBJDIR = @ TOPSRCDIR @ / obj-ff