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Date: Fri, 21 Sep 2012 10:48:12 +0200
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Subject: [BUG] Cygwin default mounts in 1.7
From: Jiri Engelthaler <engycz AT gmail DOT com>
To: cygwin AT cygwin DOT com
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Hello Cygwin developers
I have a problem with cygwin default mounts
I have compiled gcc cross compiler for powerpc (some problem with arm
cross) and installed to destination directory. Installed directory
structure is (truncated)

+bin
|   +powerpc-unknown-linux-gnu-gcc.exe
+include
+lib
+libexec
|   +gcc
|      +powerpc-unknown-linux-gnu
|          +4.4.7
|               +cc1.exe
+powerpc-unknown-linux-gnu
+share

When I start “powerpc-unknown-linux-gnu-gcc.exe a.c” in “bin”
directory from windows command line, compiler fails with
“powerpc-unknown-linux-gnu-gcc: error trying to exec 'cc1': execvp: No
such file or directory”. Starting compiler from bash shell works fine
and a.c is compiled.
“powerpc-unknown-linux-gnu-gcc --print-search-dirs” says that one of
search paths for programs is
“/usr/bin/../libexec/gcc/powerpc-unknown-linux-gnu/4.4.7/” so all
should work.
But problem is with “/usr/bin” prefix. I have made tests with “ls” and
“pwd” copied do “bin” directory and found that:
- “pwd” is “/usr/bin”
- “ls” shows “bin” directory content
- “ls ..” shows “ls: cannot access ..: No such file or directory”
- “ls /” shows “bin  cygdrive  dev  etc  include  lib  libexec
powerpc-unknown-linux-gnu  proc  share”

Core of problem is that pwd for “bin” directory is “/usr/bin”, but
“/usr/bin/..” is not accessible.
How to mount current directory as "/cygdrive/c/foo/bar/...../bin"
while executing pwd or ls?

  Thank you for your answer and have a nice day.
      Jiri Engelthaler

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