X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcustomize%2Ffred%2Fjava_profile.sh;fp=scripts%2Fcustomize%2Ffred%2Fjava_profile.sh;h=f98030a679856d2d5dcec81fa4dcb87fabe4e23a;hb=5a46095955145f2660c8e973f87469f7bcd8cc0b;hp=99027e6ff482120151f667743a8fafc372601611;hpb=35f3c896a499f4bb3bd92eb865aad0f354b490c9;p=feisty_meow.git

diff --git a/scripts/customize/fred/java_profile.sh b/scripts/customize/fred/java_profile.sh
index 99027e6f..f98030a6 100644
--- a/scripts/customize/fred/java_profile.sh
+++ b/scripts/customize/fred/java_profile.sh
@@ -22,16 +22,24 @@ function intuition_failure()
 
 ############################
 
-# set some fairly liberal limits for ant.
-#no. export ANT_OPTS="-Xms512m -Xmx768m -XX:MaxPermSize=768m"
-
-############################
-
 # start guessing some settings...
 
+# whatever we figure out, we want to export the java home variable.
+export JAVA_HOME
+
 # this bin portion works for most javas...
 export JAVA_BIN_PIECE=bin
 
+# try using java itself to locate the JAVA_HOME if we can.
+if [ ! -d "$JAVA_HOME" ]; then
+  JAVA_HOME=$(java -XshowSettings:properties -version 2>&1 | grep -i java.home | sed -e 's/.*java.home = \(.*\)$/\1/')
+fi
+
+# if that didn't work, then we try a series of random bizarro places where
+# we have seen java live before.
+
+#hmmm: below list is way out of date.  we really hope the first attempt above works.
+
 if [ ! -d "$JAVA_HOME" ]; then
   # try a recent version.
   export JAVA_HOME=/usr/lib/jvm/java-8-oracle
@@ -65,7 +73,7 @@ fi
 if [ ! -d "$JAVA_HOME" ]; then
   unset JAVA_HOME
   unset JAVA_BIN_PIECE
-  if [ -z "$(whichable java 2>/dev/null)" ]; then
+  if [ -z "$(whichable java)" ]; then
     intuition_failure JAVA_HOME
   fi
 fi
@@ -104,7 +112,7 @@ else
     ECLIPSE_DIR=$(echo $ECLIPSE_DIR | sed -e 's/^\(.\):/\/cygdrive\/\1/')
   fi
 fi
-if [ -z "$ECLIPSE_DIR" -a -z "$(whichable eclipse 2>/dev/null)" ]; then
+if [ -z "$ECLIPSE_DIR" -a -z "$(whichable eclipse)" ]; then
   intuition_failure ECLIPSE_DIR
 fi