diff --git a/libgcc/config.host b/libgcc/config.host
index 326ce91..1d5b887 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -354,12 +354,18 @@ i[34567]86-*-openbsd*)
 i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
-	md_unwind_header=i386/linux-unwind.h
+        case $host in
+            *-*-linux*)
+	        md_unwind_header=i386/linux-unwind.h;;
+        esac
 	;;
 x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm"
-	md_unwind_header=i386/linux-unwind.h
+        case $host in
+            *-*-linux*)
+	        md_unwind_header=i386/linux-unwind.h;;
+        esac
 	;;
 i[34567]86-pc-msdosdjgpp*)
 	;;