diff --git a/configure b/configure
index 9b06d2b..f45b87a 100755
--- a/configure
+++ b/configure
@@ -162,6 +162,7 @@ printf "checking for C compiler... "
 trycc ${CROSS_COMPILE}gcc
 trycc ${CROSS_COMPILE}c99
 trycc ${CROSS_COMPILE}cc
+trycc ${CROSS_COMPILE}pcc
 printf "%s\n" "$CC"
 test -n "$CC" || { echo "$0: cannot find a C compiler" ; exit 1 ; }
 
@@ -269,8 +270,8 @@ tryflag CFLAGS_AUTO -falign-jumps=1
 # work anyway (issues with atomic ops).
 #
 if test "$ARCH" = "i386" ; then
-fnmatch '-march=*|*\ -march=*' "$CFLAGS" || tryflag CFLAGS_AUTO -march=i486
-fnmatch '-mtune=*|*\ -mtune=*' "$CFLAGS" || tryflag CFLAGS_AUTO -mtune=generic
+fnmatch '-march=*|*\ -march=*' "$CFLAGS" || tryldflag CFLAGS_AUTO -march=i486
+fnmatch '-mtune=*|*\ -mtune=*' "$CFLAGS" || tryldflag CFLAGS_AUTO -mtune=generic
 fi
 
 if test "x$warnings" = xyes ; then
@@ -299,6 +300,7 @@ shared=no
 # Find compiler runtime library
 test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh
 test -z "$LIBCC" && tryldflag LIBCC -lcompiler_rt
+test -z "$LIBCC" && tryldflag LIBCC `$CC -print-file-name=libpcc.a || true`
 printf "using compiler runtime libraries: %s\n" "$LIBCC"