[GHC] #8683: add "cpp program" and "cpp program options" to settings file

[GHC]

#8683: add "cpp program" and "cpp program options" to settings file
-------------------------------------+------------------------------------
        Reporter:  carter            |            Owner:
            Type:  feature request   |           Status:  patch
        Priority:  highest           |        Milestone:  7.8.1
       Component:  Compiler          |          Version:  7.8.1-rc2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:  #8439
-------------------------------------+------------------------------------

Comment (by carter):

 I just  did a `./configure --with-gcc=clang ; ./validate --no-dph`
 and i got the following error at the end

 {{{

 = End post-install package check
 ===--- building phase 0
 /Applications/Xcode.app/Contents/Developer/usr/bin/make -r --no-print-
 directory -f ghc.mk phase=0 phase_0_builds
 make[1]: Nothing to be done for `phase_0_builds'.
 ===--- building phase 1
 /Applications/Xcode.app/Contents/Developer/usr/bin/make -r --no-print-
 directory -f ghc.mk phase=1 phase_1_builds
 make[1]: Nothing to be done for `phase_1_builds'.
 ===--- building final phase
 /Applications/Xcode.app/Contents/Developer/usr/bin/make -r --no-print-
 directory -f ghc.mk phase=final validate_build_xhtml
 cd libraries/xhtml &&
 "/Users/carter/Desktop/repoScratcher/ghc/bindisttest/install
 dir/bin/ghc" --make Setup
 [1 of 1] Compiling Main             ( Setup.hs, Setup.o )
 Linking Setup ...
 cd libraries/xhtml && ./Setup configure --with-
 ghc="/Users/carter/Desktop/repoScratcher/ghc/bindisttest/install
 dir/bin/ghc" --with-
 haddock="/Users/carter/Desktop/repoScratcher/ghc/bindisttest/install
 dir/bin/haddock" --enable-shared --disable-library-vanilla --disable-
 library-prof --global --builddir=dist-bindist
 --prefix="/Users/carter/Desktop/repoScratcher/ghc/bindisttest/install
 dir"
 Configuring xhtml-3000.2.1...
 cd libraries/xhtml && ./Setup build   --builddir=dist-bindist
 Building xhtml-3000.2.1...
 Preprocessing library xhtml-3000.2.1...
 ghc: could not execute:
 make[1]: *** [validate_build_xhtml] Error 1
 make: *** [validate_build_xhtml] Error 2
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8683#comment:47>
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