[commit: ghc] master: Pass autoconf triplets to sub-project configures (9a4983d)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/9a4983dab9893f616db1c9be551ff9112084f887/ghc

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commit 9a4983dab9893f616db1c9be551ff9112084f887
Author: Shea Levy <shea at shealevy.com>
Date:   Wed Nov 16 18:15:52 2016 -0500

    Pass autoconf triplets to sub-project configures
    
    Reviewers: austin, hvr, bgamari
    
    Reviewed By: bgamari
    
    Subscribers: thomie, erikd
    
    Differential Revision: https://phabricator.haskell.org/D2713
    
    GHC Trac Issues: #12840


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9a4983dab9893f616db1c9be551ff9112084f887
 configure.ac | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 678fa2e..7a7e75b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -437,7 +437,11 @@ then
 else
   CrossCompilePrefix=""
 fi
-TargetPlatformFull="${TargetPlatform}"
+# Despite its similarity in name to TargetPlatform, TargetPlatformFull is used
+# in calls to subproject configure scripts and thus must be set to the autoconf
+# triple, not the normalized GHC triple that TargetPlatform is set to.
+# It may be better to just do away with the GHC triples all together.
+TargetPlatformFull="${target}"
 AC_SUBST(CrossCompiling)
 AC_SUBST(CrossCompilePrefix)
 AC_SUBST(TargetPlatformFull)