diff --git a/gcc/configure b/gcc/configure
index c7b96446c83..f4939ebaa98 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -3931,7 +3931,7 @@ fi
 if test "${with_gnu_ld+set}" = set; then :
   withval=$with_gnu_ld; gnu_ld_flag="$with_gnu_ld"
 else
-  gnu_ld_flag=no
+  gnu_ld_flag=
 fi
 
 
@@ -4037,7 +4037,7 @@ fi
 if test "${with_gnu_as+set}" = set; then :
   withval=$with_gnu_as; gas_flag="$with_gnu_as"
 else
-  gas_flag=no
+  gas_flag=
 fi
 
 
@@ -4063,7 +4063,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a default assembler was specified" >&5
 $as_echo_n "checking whether a default assembler was specified... " >&6; }
 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
-  if test x"$gas_flag" = x"no"; then
+  if test x"$gas_flag" != x"yes"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes ($DEFAULT_ASSEMBLER)" >&5
 $as_echo "yes ($DEFAULT_ASSEMBLER)" >&6; }
   else
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 2868785f201..5fb5a43f316 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -336,7 +336,7 @@ AC_SUBST(GENINSRC)
 AC_ARG_WITH(gnu-ld,
 [AS_HELP_STRING([--with-gnu-ld], [arrange to work with GNU ld])],
 gnu_ld_flag="$with_gnu_ld",
-gnu_ld_flag=no)
+gnu_ld_flag=)
 
 case $target in
     *darwin*)
@@ -415,7 +415,7 @@ fi
 AC_ARG_WITH(gnu-as,
 [AS_HELP_STRING([--with-gnu-as], [arrange to work with GNU as])],
 gas_flag="$with_gnu_as",
-gas_flag=no)
+gas_flag=)
 
 AC_ARG_WITH(as,
 [AS_HELP_STRING([--with-as], [arrange to use the specified as (full pathname)])],
@@ -432,7 +432,7 @@ fi
 
 AC_MSG_CHECKING([whether a default assembler was specified])
 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
-  if test x"$gas_flag" = x"no"; then
+  if test x"$gas_flag" != x"yes"; then
     AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
   else
     AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])