[GHC] #7359: unix-2.6.0.0 fails to install on mac os x with 7.4.* (works with 7.6.1)

[GHC]

#7359: unix-2.6.0.0 fails to install on mac os x with 7.4.* (works with 7.6.1)
----------------------------+-----------------------------------------------
 Reporter:  AndreasVoellmy  |          Owner:                
     Type:  bug             |         Status:  new           
 Priority:  normal          |      Component:  libraries/unix
  Version:  7.4.1           |       Keywords:  unix package  
       Os:  MacOS X         |   Architecture:  x86_64 (amd64)
  Failure:  Other           |       Testcase:                
Blockedby:                  |       Blocking:                
  Related:                  |  
----------------------------+-----------------------------------------------

Comment(by andykitchen):

 bump, unix-2.6.0.1 also fails to build. This breaks a lot of things for
 Haskell platform users.

 {{{
 $ ghc --version
 The Glorious Glasgow Haskell Compilation System, version 7.4.2

 $ gcc-mp-4.7 -v
 Using built-in specs.
 COLLECT_GCC=gcc-mp-4.7
 COLLECT_LTO_WRAPPER=/opt/local/libexec/gcc/x86_64-apple-darwin12/4.7.2
 /lto-wrapper
 Target: x86_64-apple-darwin12
 Configured with: ../gcc-4.7.2/configure --prefix=/opt/local --build=x86_64
 -apple-darwin12 --enable-languages=c,c++,objc,obj-c++,lto,fortran,java
 --libdir=/opt/local/lib/gcc47 --includedir=/opt/local/include/gcc47
 --infodir=/opt/local/share/info --mandir=/opt/local/share/man
 --datarootdir=/opt/local/share/gcc-4.7 --with-libiconv-prefix=/opt/local
 --with-local-prefix=/opt/local --with-system-zlib --disable-nls --program-
 suffix=-mp-4.7 --with-gxx-include-dir=/opt/local/include/gcc47/c++/
 --with-gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local --with-
 ppl=/opt/local --with-cloog=/opt/local --enable-cloog-backend=isl
 --disable-cloog-version-check --enable-stage1-checking --disable-multilib
 --enable-lto --enable-libstdcxx-time --with-as=/opt/local/bin/as --with-
 ld=/opt/local/bin/ld --with-ar=/opt/local/bin/ar --with-
 bugurl=https://trac.macports.org/newticket --disable-ppl-version-check
 --with-pkgversion='MacPorts gcc47 4.7.2_2'
 Thread model: posix
 gcc version 4.7.2 (MacPorts gcc47 4.7.2_2)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7359#comment:6>
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