Configure: fixed autotest cleanup commands.

Previously, if configured with --with-cc="clang -g", the autotest.dSYM
directories were left unremoved.

auto/cc/sunc

diff --git a/auto/cc/sunc b/auto/cc/sunc
index dd9cced..8f12d7c 100644
--- a/auto/cc/sunc
+++ b/auto/cc/sunc
@@ -30,7 +30,7 @@
     ngx_sunc_ver=`$NGX_AUTOTEST`
 fi
 
-rm $NGX_AUTOTEST*
+rm -rf $NGX_AUTOTEST*
 
 # 1424 == 0x590, Sun Studio 12
 

auto/endianness

diff --git a/auto/endianness b/auto/endianness
index 87311a0..93da2f8 100644
--- a/auto/endianness
+++ b/auto/endianness
@@ -34,10 +34,10 @@
         echo " big endian"
     fi
 
-    rm $NGX_AUTOTEST*
+    rm -rf $NGX_AUTOTEST*
 
 else
-    rm $NGX_AUTOTEST*
+    rm -rf $NGX_AUTOTEST*
 
     echo
     echo "$0: error: cannot detect system byte ordering"

auto/feature

diff --git a/auto/feature b/auto/feature
index c13e51d..1145f28 100644
--- a/auto/feature
+++ b/auto/feature
@@ -120,4 +120,4 @@
     echo "----------"    >> $NGX_AUTOCONF_ERR
 fi
 
-rm $NGX_AUTOTEST*
+rm -rf $NGX_AUTOTEST*

auto/include

diff --git a/auto/include b/auto/include
index 3466fda..e34dabd 100644
--- a/auto/include
+++ b/auto/include
@@ -58,4 +58,4 @@
     echo "----------"    >> $NGX_AUTOCONF_ERR
 fi
 
-rm $NGX_AUTOTEST*
+rm -rf $NGX_AUTOTEST*

auto/lib/test

diff --git a/auto/lib/test b/auto/lib/test
index 907e235..ba943a2 100644
--- a/auto/lib/test
+++ b/auto/lib/test
@@ -37,4 +37,4 @@
     echo " not found"
 fi
 
-rm $NGX_AUTOTEST*
+rm -rf $NGX_AUTOTEST*

auto/types/sizeof

diff --git a/auto/types/sizeof b/auto/types/sizeof
index e1d405c..9215a54 100644
--- a/auto/types/sizeof
+++ b/auto/types/sizeof
@@ -45,7 +45,7 @@
 fi
 
 
-rm -f $NGX_AUTOTEST
+rm -rf $NGX_AUTOTEST*
 
 
 case $ngx_size in

auto/types/typedef

diff --git a/auto/types/typedef b/auto/types/typedef
index d812293..8b5c368 100644
--- a/auto/types/typedef
+++ b/auto/types/typedef
@@ -49,7 +49,7 @@
         fi
     fi
 
-    rm -f $NGX_AUTOTEST
+    rm -rf $NGX_AUTOTEST*
 
     if [ $ngx_found = no ]; then
         echo $ngx_n " $ngx_try not found$ngx_c"

auto/types/uintptr_t

diff --git a/auto/types/uintptr_t b/auto/types/uintptr_t
index 2f19080..f3cdccb 100644
--- a/auto/types/uintptr_t
+++ b/auto/types/uintptr_t
@@ -33,7 +33,7 @@
     echo $ngx_n " uintptr_t not found" $ngx_c
 fi
 
-rm $NGX_AUTOTEST*
+rm -rf $NGX_AUTOTEST*
 
 
 if [ $found = no ]; then