diff options
| -rw-r--r-- | configure.ac | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 3c153c6680..ba5836d58c 100644 --- a/configure.ac +++ b/configure.ac @@ -434,8 +434,19 @@ fi # 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="${target}" +# +# We use the non-canonicalized triple, target_alias, here since the subproject +# configure scripts will use this triple to construct the names of the toolchain +# executables. If we instead passed down the triple produced by +# AC_CANONICAL_TARGET then it may look for the target toolchain under the wrong +# name (this is a known problem in the case of the Android NDK, which has +# slightly odd triples). +# +# It may be better to just do away with the GHC triples all together. This would +# all be taken care of for us if we configured the subprojects using +# AC_CONFIG_DIR, but unfortunately Cabal needs to be the one to do the +# configuration. +TargetPlatformFull="${target_alias}" AC_SUBST(CrossCompiling) AC_SUBST(CrossCompilePrefix) AC_SUBST(TargetPlatformFull) |