diff -r 7693aa00e131 -r 2b141e8e916f common/autoconf/generated-configure.sh
--- a/common/autoconf/generated-configure.sh	Wed Jul 05 21:49:00 2017 +0200
+++ b/common/autoconf/generated-configure.sh	Tue Jun 07 15:42:20 2016 +0200
@@ -5092,7 +5092,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1464173584
+DATE_WHEN_GENERATED=1465306933
 
 ###############################################################################
 #
@@ -16171,7 +16171,7 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking cygwin root directory as unix-style path" >&5
 $as_echo_n "checking cygwin root directory as unix-style path... " >&6; }
     # The cmd output ends with Windows line endings (CR/LF), the grep command will strip that away
-    cygwin_winpath_root=`cd / ; cmd /c cd | grep ".*"`
+    cygwin_winpath_root=`cd / ; cmd /c cd | $GREP ".*"`
     # Force cygpath to report the proper root by including a trailing space, and then stripping it off again.
     CYGWIN_ROOT_PATH=`$CYGPATH -u "$cygwin_winpath_root " | $CUT -f 1 -d " "`
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CYGWIN_ROOT_PATH" >&5
@@ -16194,7 +16194,7 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking msys root directory as unix-style path" >&5
 $as_echo_n "checking msys root directory as unix-style path... " >&6; }
     # The cmd output ends with Windows line endings (CR/LF), the grep command will strip that away
-    MSYS_ROOT_PATH=`cd / ; cmd /c cd | grep ".*"`
+    MSYS_ROOT_PATH=`cd / ; cmd /c cd | $GREP ".*"`
 
   windows_path="$MSYS_ROOT_PATH"
   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
@@ -17185,7 +17185,7 @@
 
         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 $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
@@ -21142,12 +21142,12 @@
   TEST_DELETE=`$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"
-    else
-      FIND_DELETE="-exec rm \{\} \+"
+      FIND_DELETE="-print | $XARGS $RM"
+    else
+      FIND_DELETE="-exec $RM \{\} \+"
     fi
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
@@ -21155,7 +21155,7 @@
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   fi
-  rmdir $DELETEDIR
+  $RMDIR $DELETEDIR
 
 
 
@@ -23800,10 +23800,10 @@
       # Verify that the openjdk_codesign certificate is present
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking if openjdk_codesign certificate is present" >&5
 $as_echo_n "checking if openjdk_codesign certificate is present... " >&6; }
-      rm -f codesign-testfile
-      touch codesign-testfile
-      codesign -s openjdk_codesign codesign-testfile 2>&5 >&5 || CODESIGN=
-      rm -f codesign-testfile
+      $RM codesign-testfile
+      $TOUCH codesign-testfile
+      $CODESIGN -s openjdk_codesign codesign-testfile 2>&5 >&5 || CODESIGN=
+      $RM codesign-testfile
       if test "x$CODESIGN" = x; then
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
@@ -24293,7 +24293,7 @@
   elif test "x$with_copyright_year" != x; then
     COPYRIGHT_YEAR="$with_copyright_year"
   else
-    COPYRIGHT_YEAR=`date +'%Y'`
+    COPYRIGHT_YEAR=`$DATE +'%Y'`
   fi
 
 
@@ -24815,7 +24815,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -25017,7 +25017,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -25207,7 +25207,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -25396,7 +25396,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -25585,7 +25585,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -25765,7 +25765,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -26096,7 +26096,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -26427,7 +26427,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -26645,7 +26645,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -26828,7 +26828,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -27039,7 +27039,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -27222,7 +27222,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -27433,7 +27433,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -27616,7 +27616,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -27827,7 +27827,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -28010,7 +28010,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -28208,7 +28208,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -28389,7 +28389,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -28588,7 +28588,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -28769,7 +28769,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -28967,7 +28967,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -29148,7 +29148,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -29347,7 +29347,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -29528,7 +29528,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -29708,7 +29708,7 @@
           BOOT_JDK_FOUND=no
         else
           # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
+          BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
           FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`
@@ -30612,8 +30612,8 @@
   $ECHO "Check if jvm arg is ok: -Xpatch:foo=bar" >&5
   $ECHO "Command: $JAVA -Xpatch:foo=bar -version" >&5
   OUTPUT=`$JAVA -Xpatch:foo=bar -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$FOUND_WARN" = x; then
     dummy="$dummy -Xpatch:foo=bar"
     JVM_ARG_OK=true
@@ -30697,7 +30697,7 @@
         BUILD_JDK_FOUND=no
       else
         # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
-        BUILD_JDK_VERSION=`"$BUILD_JDK/bin/java" -version 2>&1 | head -n 1`
+        BUILD_JDK_VERSION=`"$BUILD_JDK/bin/java" -version 2>&1 | $HEAD -n 1`
 
         # Extra M4 quote needed to protect [] in grep expression.
         FOUND_CORRECT_VERSION=`echo $BUILD_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"'`
@@ -47860,7 +47860,7 @@
 $as_echo "yes" >&6; }
       USING_BROKEN_SUSE_LD=yes
     fi
-    rm -rf version-script.map main.c a.out
+    $RM version-script.map main.c a.out
   fi
 
 
@@ -48294,7 +48294,7 @@
 $as_echo "no" >&6; }
         COMPILER_COMMAND_FILE_FLAG=
       fi
-      rm -rf command.file
+      $RM command.file
     fi
   fi
 
@@ -53498,7 +53498,7 @@
       # Take all collected prefixes and turn them into a -m/c/foo@/c/bar@... command line
       # @ was chosen as separator to minimize risk of other tools messing around with it
       all_unique_prefixes=`echo "${all_fixpath_prefixes[@]}" \
-          | tr ' ' '\n' | grep '^/./' | sort | uniq`
+          | tr ' ' '\n' | $GREP '^/./' | $SORT | $UNIQ`
       fixpath_argument_list=`echo $all_unique_prefixes  | tr ' ' '@'`
       FIXPATH="$FIXPATH_BIN -m$fixpath_argument_list"
     fi
@@ -63947,7 +63947,7 @@
         fi
       fi
     done
-    llvm_version=$("${LLVM_CONFIG}" --version | sed 's/\.//; s/svn.*//')
+    llvm_version=$("${LLVM_CONFIG}" --version | $SED 's/\.//; s/svn.*//')
     LLVM_CFLAGS="${LLVM_CFLAGS} -DSHARK_LLVM_VERSION=${llvm_version}"
 
     unset LLVM_LDFLAGS
@@ -65050,8 +65050,8 @@
   $ECHO "Check if jvm arg is ok: -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput" >&5
   $ECHO "Command: $JAVA -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput -version" >&5
   OUTPUT=`$JAVA -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs="$boot_jdk_jvmargs -XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput"
     JVM_ARG_OK=true
@@ -65067,8 +65067,8 @@
   $ECHO "Check if jvm arg is ok: $with_boot_jdk_jvmargs" >&5
   $ECHO "Command: $JAVA $with_boot_jdk_jvmargs -version" >&5
   OUTPUT=`$JAVA $with_boot_jdk_jvmargs -version 2>&1`
-  FOUND_WARN=`$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$FOUND_WARN" = x; then
     boot_jdk_jvmargs="$boot_jdk_jvmargs $with_boot_jdk_jvmargs"
     JVM_ARG_OK=true
@@ -65095,8 +65095,8 @@
   $ECHO "Check if jvm arg is ok: -Xms64M" >&5
   $ECHO "Command: $JAVA -Xms64M -version" >&5
   OUTPUT=`$JAVA -Xms64M -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_big="$boot_jdk_jvmargs_big -Xms64M"
     JVM_ARG_OK=true
@@ -65130,8 +65130,8 @@
   $ECHO "Check if jvm arg is ok: -Xmx${JVM_MAX_HEAP}M" >&5
   $ECHO "Command: $JAVA -Xmx${JVM_MAX_HEAP}M -version" >&5
   OUTPUT=`$JAVA -Xmx${JVM_MAX_HEAP}M -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_big="$boot_jdk_jvmargs_big -Xmx${JVM_MAX_HEAP}M"
     JVM_ARG_OK=true
@@ -65145,8 +65145,8 @@
   $ECHO "Check if jvm arg is ok: -XX:ThreadStackSize=$STACK_SIZE" >&5
   $ECHO "Command: $JAVA -XX:ThreadStackSize=$STACK_SIZE -version" >&5
   OUTPUT=`$JAVA -XX:ThreadStackSize=$STACK_SIZE -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_big="$boot_jdk_jvmargs_big -XX:ThreadStackSize=$STACK_SIZE"
     JVM_ARG_OK=true
@@ -65175,8 +65175,8 @@
   $ECHO "Check if jvm arg is ok: -XX:+UseSerialGC" >&5
   $ECHO "Command: $JAVA -XX:+UseSerialGC -version" >&5
   OUTPUT=`$JAVA -XX:+UseSerialGC -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -XX:+UseSerialGC"
     JVM_ARG_OK=true
@@ -65190,8 +65190,8 @@
   $ECHO "Check if jvm arg is ok: -Xms32M" >&5
   $ECHO "Command: $JAVA -Xms32M -version" >&5
   OUTPUT=`$JAVA -Xms32M -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -Xms32M"
     JVM_ARG_OK=true
@@ -65205,8 +65205,8 @@
   $ECHO "Check if jvm arg is ok: -Xmx512M" >&5
   $ECHO "Command: $JAVA -Xmx512M -version" >&5
   OUTPUT=`$JAVA -Xmx512M -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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -Xmx512M"
     JVM_ARG_OK=true
@@ -65220,8 +65220,8 @@
   $ECHO "Check if jvm arg is ok: -XX:TieredStopAtLevel=1" >&5
   $ECHO "Command: $JAVA -XX:TieredStopAtLevel=1 -version" >&5
   OUTPUT=`$JAVA -XX:TieredStopAtLevel=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$FOUND_WARN" = x; then
     boot_jdk_jvmargs_small="$boot_jdk_jvmargs_small -XX:TieredStopAtLevel=1"
     JVM_ARG_OK=true
@@ -65270,8 +65270,8 @@
   $ECHO "Check if jvm arg is ok: -d64" >&5
   $ECHO "Command: $SJAVAC_SERVER_JAVA -d64 -version" >&5
   OUTPUT=`$SJAVAC_SERVER_JAVA -d64 -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$FOUND_WARN" = x; then
     SJAVAC_SERVER_JAVA_FLAGS="$SJAVAC_SERVER_JAVA_FLAGS -d64"
     JVM_ARG_OK=true
@@ -65308,8 +65308,8 @@
   $ECHO "Check if jvm arg is ok: -Xms${MS_VALUE}M -Xmx${MX_VALUE}M" >&5
   $ECHO "Command: $SJAVAC_SERVER_JAVA -Xms${MS_VALUE}M -Xmx${MX_VALUE}M -version" >&5
   OUTPUT=`$SJAVAC_SERVER_JAVA -Xms${MS_VALUE}M -Xmx${MX_VALUE}M -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$FOUND_WARN" = x; then
     SJAVAC_SERVER_JAVA_FLAGS="$SJAVAC_SERVER_JAVA_FLAGS -Xms${MS_VALUE}M -Xmx${MX_VALUE}M"
     JVM_ARG_OK=true
@@ -66140,7 +66140,7 @@
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
       fi
-      rm -f conftest.h conftest.hpp.gch
+      $RM conftest.h conftest.hpp.gch
     fi
   fi