[MacPorts] #49552: problem for install libgcc on El capitan 10.11.1

[MacPorts]

#49552: problem for install libgcc on El capitan 10.11.1
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  Reporter:  wanghaotian2280@…  |      Owner:  mww@…
      Type:  defect             |     Status:  closed
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.3.4
Resolution:  duplicate          |   Keywords:
      Port:  libgcc             |
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Comment (by wanghaotian2280@…):

 Replying to [comment:4 ryandesign@…]:
 > Replying to [comment:3 ryandesign@…]:
 > > The El Capitan installer should have removed foreign items from
 protected locations, but apparently it missed /usr/include/malloc.h. I'll
 file a bug report with Apple about this.
 >
 > I didn't file a bug report because I was not able to reproduce this
 problem. On a Yosemite system, I placed a malloc.h symlink (and another
 symlink, and a file) in /usr/include, then upgraded to El Capitan. The
 file I placed in /usr/include was moved to the QuarantineRoot, as it
 should have been. The symlinks I created and everything else in
 /usr/include were silently deleted, as they should be. I used the El
 Capitan 10.11.1 installer; maybe an earlier version of the installer had
 this problem but it has since been fixed.

 Thanks for the help. The problem found is due to the fact that El Capitan
 prevents users from modifying the contents under /usr. After disable SIP,
 it works fine. Thank you very much.

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Ticket URL: <https://trac.macports.org/ticket/49552#comment:5>
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