[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 kgardas):

 Replying to [comment:19 maeder]:
 > The following patch fixes the problem by replacing $(SHELL) with
 /bin/sh:
 >
 > {{{
 > --- ghc.mk~     Fri Feb 28 12:34:54 2014
 > +++ ghc.mk      Thu Apr  3 11:25:13 2014
 > @@ -146,7 +146,7 @@
 >             PATH=`pwd`:$$PATH; \
 >             export PATH; \
 >             cd gmpbuild && \
 > -           CC=$(CCX) NM=$(NM) AR=$(AR_STAGE1) $(SHELL) ./configure \
 > +           CC=$(CCX) NM=$(NM) AR=$(AR_STAGE1) /bin/sh ./configure \
 >                   --enable-shared=no \
 >                   --host=$(HOSTPLATFORM) --build=$(BUILDPLATFORM)
 >         $(MAKE) -C libraries/integer-gmp/gmp/gmpbuild MAKEFLAGS=
 > }}}


 This patch looks highly suspicious to me. Generally speaking if we detect
 some shell and save it to SHELL, then we'd probably like to use that and
 not revert to ordinary /bin/sh. Why do you think your analysis is correct
 and not just a side effect of your change? Have you tried to trace libtool
 and see where it throws its error message? That may IMHO lead to real bug
 fix instead of just a guess...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8783#comment:20>
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