Fix platform detection in bindists

In a bindist, we generate files like the hsc2hs wrapper.
This means we need to have the right values for the variables like
CONF_GCC_LINKER_OPTS_STAGE1 which in turn means we need to know what
platform we're on.

1 files changed, 1 insertions, 66 deletions

diff --git a/configure.ac b/configure.ac
index 14a3ad154c..a0e0021496 100644
--- a/configure.ac
+++ b/configure.ac
@@ -200,72 +200,7 @@ AC_CANONICAL_BUILD
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
-# If no argument was given for a configuration variable, then discard
-# the guessed canonical system and use the configuration of the
-# bootstrapping ghc. If an argument was given, map it from gnu format
-# to ghc format.
-#
-# For why we do it this way, see: #3637, #1717, #2951
-
-if test "$build_alias" = ""
-then
-    if test "${WithGhc}" != ""
-    then
-        build=$bootstrap_target
-        echo "Build platform inferred as: $build"
-    else
-        echo "Can't work out build platform"
-        exit 1
-    fi
-
-    BuildArch=`echo "$build" | sed 's/-.*//'`
-    BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
-    BuildOS=`echo "$build" | sed 's/.*-//'`
-else
-    GHC_CONVERT_CPU([$build_cpu], [BuildArch])
-    GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
-    GHC_CONVERT_OS([$build_os], [BuildOS])
-fi
-
-if test "$host_alias" = ""
-then
-    if test "${WithGhc}" != ""
-    then
-        host=$bootstrap_target
-        echo "Host platform inferred as: $host"
-    else
-        echo "Can't work out host platform"
-        exit 1
-    fi
-
-    HostArch=`echo "$host" | sed 's/-.*//'`
-    HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
-    HostOS=`echo "$host" | sed 's/.*-//'`
-else
-    GHC_CONVERT_CPU([$host_cpu], [HostArch])
-    GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
-    GHC_CONVERT_OS([$host_os], [HostOS])
-fi
-
-if test "$target_alias" = ""
-then
-    if test "${WithGhc}" != ""
-    then
-        target=$bootstrap_target
-        echo "Target platform inferred as: $target"
-    else
-        echo "Can't work out target platform"
-        exit 1
-    fi
-
-    TargetArch=`echo "$target" | sed 's/-.*//'`
-    TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
-    TargetOS=`echo "$target" | sed 's/.*-//'`
-else
-    GHC_CONVERT_CPU([$target_cpu], [TargetArch])
-    GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
-    GHC_CONVERT_OS([$target_os], [TargetOS])
-fi
+FPTOOLS_SET_PLATFORM_VARS
 
 exeext=''
 soext='.so'