[GHC] #8783: make ghc-pwd-bindist script /bin/sh compatible for Solaris

[GHC]

#8783: make ghc-pwd-bindist script /bin/sh compatible for Solaris
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        Reporter:  maeder            |            Owner:
            Type:  bug               |           Status:  closed
        Priority:  normal            |        Milestone:  7.8.1
       Component:  Build System      |          Version:  7.8.1-rc2
      Resolution:  fixed             |         Keywords:
Operating System:  Solaris           |     Architecture:  Unknown/Multiple
 Type of failure:  Building GHC      |       Difficulty:  Easy (less than 1
  failed                             |  hour)
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by maeder):

 gmp's configure is correct to assume that it is run in the same shell in
 which (later on) "make" is called. libraries/integer-gmp/gmp/ghc.mk spoils
 this assumption.

 I'm now testing

 {{{
 --- ghc.mk      Fr Apr  4 10:07:49 2014
 +++ ghc.mk~     Do Apr  3 17:25:13 2014
 @@ -146,7 +146,7 @@
             PATH=`pwd`:$$PATH; \
             export PATH; \
             cd gmpbuild && \
 -           CC=$(CCX) NM=$(NM) AR=$(AR_STAGE1) ./configure \
 +           CC=$(CCX) NM=$(NM) AR=$(AR_STAGE1) /bin/sh ./configure \
                   --enable-shared=no \
                   --host=$(HOSTPLATFORM) --build=$(BUILDPLATFORM)
         $(MAKE) -C libraries/integer-gmp/gmp/gmpbuild MAKEFLAGS=
 }}}

 but I consider my first diff to better for other OSes!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8783#comment:23>
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