GHC fails to build on Solaris 11

Hello, GHC HEAD fails to build on Solaris 11, the compilation fails in libraries/haskeline with:

"inplace/bin/hsc2hs" '--cc=/usr/bin/gcc' '--ld=/usr/bin/gcc'  --cross-safe -I/opt/gmp-5.1.3/include/ --cflag=-U__i686 --cflag=-fno-stack-protector   --cflag=-Di386_HOST_ARCH=1 --cflag=-Dsolaris2_HOST_OS=1 --cflag=-D__GLASGOW_HASKELL__=707 '--cflag=-U__i686' '--cflag=-fno-stack-protector' '--cflag=-Ilibraries/haskeline/includes' '--cflag=-DUSE_GHC_ENCODINGS' '--cflag=-DTERMINFO' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/directory/include' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/unix/include' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/time/include' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/containers/include' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/bytestring/include' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/base/include' '--cflag=-I/opt/gmp-5.1.3/include/' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/rts/dist/build' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/includes' '--cflag=-I/export/home/karel/vcs/ghc-src/ghc-sol-test/includes/dist-derivedconstants/header' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/transformers/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/terminfo/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/directory/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/unix/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/time/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/old-locale/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/filepath/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/containers/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/bytestring/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/deepseq/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/array/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/base/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/integer-gmp/dist-install/build' '--lflag=-L/opt/gmp-5.1.3/lib/' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/ghc-prim/dist-install/build' '--lflag=-L/export/home/karel/vcs/ghc-src/ghc-sol-test/rts/dist/build' '--lflag=-lcurses' '--lflag=-ldl' '--lflag=-lgmp' '--lflag=-lm' '--lflag=-lrt' '--lflag=-ldl' --cflag=-Ilibraries/haskeline/dist-install/build/autogen --cflag=-include --cflag=libraries/haskeline/dist-install/build/autogen/cabal_macros.h   libraries/haskeline/./System/Console/Haskeline/Backend/Posix.hsc -o libraries/haskeline/dist-install/build/System/Console/Haskeline/Backend/Posix.hs
Posix.hsc: In function ‘main’:
Posix.hsc:74:5: error: invalid application of ‘sizeof’ to incomplete type ‘struct winsize’ 
Posix.hsc:76:5: error: ‘TIOCGWINSZ’ undeclared (first use in this function)
Posix.hsc:76:5: note: each undeclared identifier is reported only once for each function it appears in
Posix.hsc:77:5: error: invalid use of undefined type ‘struct winsize’
Posix.hsc:78:5: error: invalid use of undefined type ‘struct winsize’
compiling libraries/haskeline/dist-install/build/System/Console/Haskeline/Backend/Posix_hsc_make.c failed (exit code 1)
command was: /usr/bin/gcc -c libraries/haskeline/dist-install/build/System/Console/Haskeline/Backend/Posix_hsc_make.c -o libraries/haskeline/dist-install/build/System/Console/Haskeline/Backend/Posix_hsc_make.o -I/opt/gmp-5.1.3/include/ -U__i686 -fno-stack-protector -Di386_HOST_ARCH=1 -Dsolaris2_HOST_OS=1 -D__GLASGOW_HASKELL__=707 -U__i686 -fno-stack-protector -Ilibraries/haskeline/includes -DUSE_GHC_ENCODINGS -DTERMINFO -I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/directory/include -I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/unix/include -I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/time/include -I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/containers/include -I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/bytestring/include -I/export/home/karel/vcs/ghc-src/ghc-sol-test/libraries/base/include -I/opt/gmp-5.1.3/include/ -I/export/home/karel/vcs/ghc-src/ghc-sol-test/rts/dist/build -I/export/home/karel/vcs/ghc-src/ghc-sol-test/includes -I/export/home/karel/vcs/ghc-src/ghc-sol-test/includes/dist-derivedconstants/header -Ilibraries/haskeline/dist-install/build/autogen -include libraries/haskeline/dist-install/build/autogen/cabal_macros.h -I/export/home/karel/vcs/ghc-src/ghc-sol-test/inplace/lib/include/
gmake[1]: *** [libraries/haskeline/dist-install/build/System/Console/Haskeline/Backend/Posix.hs] Error 1

The reason for this can be tracked to the haskeline.cabal file code:

        if os(solaris) {
            cpp-options: -DUSE_TERMIOS_H
        }

the cpp-options are not modified on Solaris although they should. The reason for this is a bug in Cabal which does not recognize Solaris from its i386-pc-solaris2.11 triple. The bug is reported with suggested patch here: https://github.com/haskell/cabal/issues/1641 The a little extended patch is already in Cabal HEAD and it is promised to be merged into 1.18 branch by Mikhail Glushenkov here: http://www.haskell.org/pipermail/ghc-devs/2014-January/003819.html Now, the question is if it is possible to get the fix into GHC HEAD before 7.8 RC.

Trac metadata

Trac field	Value
Version	7.7
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	libraries (other)
Test case
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