Thanks for the tip and the link Dale.
> Date: Thu, 30 Jul 2009 09:55:28 -0600 > Subject: Re: Building with JDK 1.3. Which version of ANT? > From: dan...@grafidog.com > To: user@ant.apache.org > > I ran into a similar problem just this morning with Java 1.5 and Java > 1.6 incompatibility. In your javac task in your build file, you > should also set the bootclasspath, and point it to the rt.jar for Java > 1.3. This will help you not introduce usage of Java 1.5 APIs into > your Java 1.3 build since the compiler will complain if it finds any. > See the "Cross-Compilation Example" at the bottom of this page: > > http://java.sun.com/javase/6/docs/technotes/tools/windows/javac.html > > Dale > > > On Thu, Jul 30, 2009 at 9:01 AM, Rez P<pon...@hotmail.com> wrote: > > > > Thanks for all your help and input. > > > > > > > > > > > >> To: user@ant.apache.org > >> Subject: Re: Building with JDK 1.3. Which version of ANT? > >> From: bode...@apache.org > >> Date: Thu, 30 Jul 2009 12:11:45 +0200 > >> > >> On 2009-07-30, Rez P <pon...@hotmail.com> wrote: > >> > >> > I just got a successful build by using jdk 1.5, ant 1.7, and setting > >> > source & target attributes of the javac ant task to 1.3. Do you see > >> > any problem with this configuration as far as jdk 1.5 adding > >> > unwanted stuff to my generated class files as opposed to, if I set > >> > my entire environment to jdk 1.3 and making sure that the old > >> > project doesn't become polluted with any new tools or libraries? > >> > >> One thing is that you might use classes or methods present in Java 1.5 > >> but not in 1.3 - this will compile on Java5 but fail if you try to run > >> the code on 1.3. This may be possible to avoid if you are disciplined > >> enough 8-) > >> > >> Unfortunately there are problems more subtle than that. If Java5 (or > >> 1.4) have introduced new method overloads the compiler may choose one > >> that doesn't exist in 1.3. > >> > >> One example that I've encountered myself > >> StringBuffer.append(StringBuffer) which was added in Java 1.4. say > >> you have > >> > >> StringBuffer sb1 = new StringBuffer(); > >> StringBuffer sb2 = new StringBuffer(); > >> sb2.append(sb1); > >> > >> This will compile fine on both JDKs. javac of JDK 1.3 (and earlier) > >> will use append(Object), any later javac will use append(StringBuffer). > >> Code compiled on Java 1.4 or later will throw an exception when run on > >> Java 1.3 or earlier. > >> > >> These kinds of problems are way more difficult to catch when > >> "cross-compiling". > >> > >> Stefan > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: user-unsubscr...@ant.apache.org > >> For additional commands, e-mail: user-h...@ant.apache.org > >> > > > > _________________________________________________________________ > > Windows Live™ Hotmail®: Search, add, and share the web’s latest sports > > videos. Check it out. > > http://www.windowslive.com/Online/Hotmail/Campaign/QuickAdd?ocid=TXT_TAGLM_WL_QA_HM_sports_videos_072009&cat=sports > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@ant.apache.org > For additional commands, e-mail: user-h...@ant.apache.org > _________________________________________________________________ Get back to school stuff for them and cashback for you. http://www.bing.com/cashback?form=MSHYCB&publ=WLHMTAG&crea=TEXT_MSHYCB_BackToSchool_Cashback_BTSCashback_1x1
