Set a default target in wrapper scripts and executables

install-wrappers.sh

@@ -23,11 +23,18 @@ esac
 
 if [ -n "$EXEEXT" ]; then
     CLANG_MAJOR=$(basename $(echo $PREFIX/lib/clang/* | awk '{print $NF}') | cut -f 1 -d .)
-    CTW_FLAGS="-municode -DCLANG=\"clang-$CLANG_MAJOR\""
+    CTW_FLAGS="$CTW_FLAGS -municode -DCLANG=\"clang-$CLANG_MAJOR\""
 fi
 
 mkdir -p $PREFIX/bin
 cp wrappers/*-wrapper.sh $PREFIX/bin
+if [ -n "$HOST" ]; then
+    # TODO: If building natively on msys, pick up the default HOST value from there.
+    CTW_FLAGS="$CTW_FLAGS -DDEFAULT_TARGET=\"$HOST\""
+    for i in wrappers/*-wrapper.sh; do
+        cat $i | sed 's/^DEFAULT_TARGET=.*/DEFAULT_TARGET='$HOST/ > $PREFIX/bin/$(basename $i)
+    done
+fi
 $CC wrappers/change-pe-arch.c -o $PREFIX/bin/change-pe-arch$EXEEXT
 $CC wrappers/clang-target-wrapper.c -o $PREFIX/bin/clang-target-wrapper$EXEEXT -O2 -Wl,-s $CTW_FLAGS
 if [ -n "$EXEEXT" ]; then