The alpine builders print out a warning about sched_getaffinity() not working.
This causes the version check for the boot jdk to fail.
Patch the command to determine the version number to ignore any errors and warnings.

--- old/make/autoconf/boot-jdk.m4
+++ new/make/autoconf/boot-jdk.m4
@@ -74,10 +74,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          [FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`]
+          [FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`]
           if test "x$FOUND_CORRECT_VERSION" = x; then
             AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring])
             AC_MSG_NOTICE([(Your Boot JDK must be version 9 or 10)])
--- old/make/autoconf/generated-configure.sh
+++ new/make/autoconf/generated-configure.sh
@@ -25595,10 +25595,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -25797,10 +25797,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -25987,10 +25987,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -26176,10 +26176,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -26365,10 +26365,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -26545,10 +26545,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -26876,10 +26876,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -27207,10 +27207,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -27425,10 +27425,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -27608,10 +27608,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -27819,10 +27819,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -28002,10 +28002,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -28213,10 +28213,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -28396,10 +28396,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -28607,10 +28607,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -28790,10 +28790,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -28988,10 +28988,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -29169,10 +29169,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -29368,10 +29368,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -29549,10 +29549,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -29747,10 +29747,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -29928,10 +29928,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -30127,10 +30127,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -30308,10 +30308,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -30488,10 +30488,10 @@
           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 | $EGREP -v warning | $HEAD -n 1`
 
           # Extra M4 quote needed to protect [] in grep expression.
-          FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"|\"9([\.+-].*)?\"'`
+	  FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '10([\.+-].*)?|9([\.+-].*)?'`
           if test "x$FOUND_CORRECT_VERSION" = x; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring" >&6;}
@@ -31490,10 +31490,10 @@
         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 | $EGREP -v warning | $HEAD -n 1`
 
         # Extra M4 quote needed to protect [] in grep expression.
-        FOUND_CORRECT_VERSION=`echo $BUILD_JDK_VERSION | $EGREP '\"10([\.+-].*)?\"'`
+        FOUND_CORRECT_VERSION=`echo $BUILD_JDK_VERSION | $EGREP '10([\.+-].*)?'`
         if test "x$FOUND_CORRECT_VERSION" = x; then
           { $as_echo "$as_me:${as_lineno-$LINENO}: Potential Build JDK found at $BUILD_JDK is incorrect JDK version ($BUILD_JDK_VERSION); ignoring" >&5
 $as_echo "$as_me: Potential Build JDK found at $BUILD_JDK is incorrect JDK version ($BUILD_JDK_VERSION); ignoring" >&6;}