--- a/common/autoconf/basics.m4	Wed Jul 05 21:49:00 2017 +0200
+++ b/common/autoconf/basics.m4	Tue Jun 07 15:42:20 2016 +0200
@@ -99,8 +99,8 @@
   $ECHO "Check if jvm arg is ok: $1" >&AS_MESSAGE_LOG_FD
   $ECHO "Command: $3 $1 -version" >&AS_MESSAGE_LOG_FD
   OUTPUT=`$3 $1 -version 2>&1`
-  FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn`
-  FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""`
+  FOUND_WARN=`$ECHO "$OUTPUT" | $GREP -i warn`
+  FOUND_VERSION=`$ECHO $OUTPUT | $GREP " version \""`
   if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
     $2="[$]$2 $1"
     JVM_ARG_OK=true
@@ -715,7 +715,7 @@
 
         if test -n "$SDKNAME"; then
           # Call xcodebuild to determine SYSROOT
-          SYSROOT=`"$XCODEBUILD" -sdk $SDKNAME -version | grep '^Path: ' | sed 's/Path: //'`
+          SYSROOT=`"$XCODEBUILD" -sdk $SDKNAME -version | $GREP '^Path: ' | $SED 's/Path: //'`
         fi
       else
         if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
@@ -994,18 +994,18 @@
   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
     # No, it does not.
-    rm $DELETEDIR/TestIfFindSupportsDelete
+    $RM $DELETEDIR/TestIfFindSupportsDelete
     if test "x$OPENJDK_TARGET_OS" = "xaix"; then
       # AIX 'find' is buggy if called with '-exec {} \+' and an empty file list
-      FIND_DELETE="-print | xargs rm"
+      FIND_DELETE="-print | $XARGS $RM"
     else
-      FIND_DELETE="-exec rm \{\} \+"
+      FIND_DELETE="-exec $RM \{\} \+"
     fi
     AC_MSG_RESULT([no])
   else
     AC_MSG_RESULT([yes])
   fi
-  rmdir $DELETEDIR
+  $RMDIR $DELETEDIR
   AC_SUBST(FIND_DELETE)
 ])
 
@@ -1080,10 +1080,10 @@
     if test "x$CODESIGN" != "x"; then
       # Verify that the openjdk_codesign certificate is present
       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
-      rm -f codesign-testfile
-      touch codesign-testfile
-      codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
-      rm -f codesign-testfile
+      $RM codesign-testfile
+      $TOUCH codesign-testfile
+      $CODESIGN -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
+      $RM codesign-testfile
       if test "x$CODESIGN" = x; then
         AC_MSG_RESULT([no])
       else