Ken, maybe I missed something obvious and sound stupid now, but anyway so here it comes: If you want to have the same binaries as the official binaries, why don't you just use the official binaries?
On Thu, Feb 8, 2018 at 12:33 PM, Ken Lam <ken....@mobigator.com> wrote: > Dear Groovy developers, > > After experimenting with many JDK versions, I found that JDK 6 Update 13 > and 21 to be able to build the jar with the least difference from the > official groovy-all-1.7.5.jar distributed in grails 1.3.5. > > But I still want to know whether the difference in the binary .class files > will have impact to my system. > > Attached are the samples and summary of "how different" the jar built by > me is from the official groovy-all-1.7.5.jar > > JDK 6 Update 13: 190 binary files different from official version > > JDK 6 Update 21: 198 binary files different from official version > > > Apart from the "__timeStamp__239_neverHappen" timestamp in the .class > files, there are still some other differences, and I want to know why they > are here. > > I understand this is a lot to ask, but I have no choice because I don't > know how to analyze the bytecode differences and their meanings. So I have > attached some samples and I hope if you can teach me some basic knowledge > and some references to look at, I will be able to handle it myself in the > future. > > Regards, > > Ken Lam > System Analyst > Mobigator Technology Group > http://www.mobigator.com > T: +852.2524.9000, ext 114 > F: +852.2524.9050 > > -------- Original Message -------- > Subject: Re: Need to get help: Building Groovy 1.7.5 from source gives > encoding error for ReadLineTest.groovy > From: Ken Lam <ken....@mobigator.com> > To: users@groovy.apache.org, Jochen Theodorou <blackd...@gmx.org> > Date: 8/2/2018 11:18 > >> Dear Jochen, >> >> More info I found from MANIFEST.MF: >> >> I found that the official groovy-all-1.7.5.jar distributed in grails >> 1.3.5 was built with JDK 1.7.0-ea (Sun Microsystems Inc.). I guess the "ea" >> means early access version. So I don't believe I could ever use the exactly >> same JDK to compile the groovy source. How am I supposed to find an early >> access version? >> >> Anyway, this is a less important question. As mentioned in previous >> email, I mainly want to know whether it's expected or required, to compile >> binary .class files which are identical to the officially distributed ones, >> when we try to rebuild groovy on our own. >> >> Regards, >> >> Ken Lam >> System Analyst >> Mobigator Technology Group >> http://www.mobigator.com >> T: +852.2524.9000, ext 114 >> F: +852.2524.9050 >> >> -------- Original Message -------- >> Subject: Re: Need to get help: Building Groovy 1.7.5 from source gives >> encoding error for ReadLineTest.groovy >> From: Ken Lam <ken....@mobigator.com> >> To: users@groovy.apache.org, Jochen Theodorou <blackd...@gmx.org> >> Date: 8/2/2018 11:12 >> >>> Dear Jochen, >>> >>> Also, after compiling the groovy-all-1.7.5.jar, I extracted the jar, and >>> extracted the official jar distributed in grails 1.3.5, and compare between >>> the two extracted folders. >>> >>> Out of 3371 files, 256 files (254 binary files + 2 text files) are >>> different, and the rest are identical. >>> >>> For the 2 different text files, I have checked and they should be ok. >>> >>> For the 254 binary files, however, I am not sure whether this is normal. >>> >>> Of course, I haven't modified any source codes at all. At least not yet. >>> >>> >>> My question is: >>> >>> Is it expected or required, to have exact binary .class files compiled >>> when we try to rebuild groovy? My compiled jar does have nearly 3000 binary >>> class files being identical to the those in the official jar, only 254 >>> binary files are different. >>> >>> Regards, >>> >>> Ken Lam >>> System Analyst >>> Mobigator Technology Group >>> http://www.mobigator.com >>> T: +852.2524.9000, ext 114 >>> F: +852.2524.9050 >>> >>> -------- Original Message -------- >>> Subject: Re: Need to get help: Building Groovy 1.7.5 from source gives >>> encoding error for ReadLineTest.groovy >>> From: Jochen Theodorou <blackd...@gmx.org> >>> To: users@groovy.apache.org >>> Date: 8/2/2018 4:11 >>> >>>> On 07.02.2018 07:12, Ken Lam wrote: >>>> >>>>> Dear Jochen, >>>>> >>>>> Then why do I have to set >>>>> >>>>> encoding="utf-8" >>>>> >>>>> in groovyc commands in the build.xml to force it to UTF-8, >>>>> >>>> >>>> If no encoding is set, the system encoding is used and that could be >>>> for example GB2312 or Big5 or even only ASCII >>>> >>>> while the official source distribution can omit this and the Groovy >>>>> developers can still compile the source of Groovy 1.7.5 correctly? >>>>> >>>> >>>> because we work on linux and mac systems. I am using UTF8 as system >>>> default for over 10 years now. >>>> >>>> Which settings in the system am I missing? >>>>> >>>> >>>> On Windows? sorry, cannot help here really. Windows is not know to be >>>> friendly to such changes at all. >>>> >>>> bye Jochen >>>> >>> >>> >> > -- Linux. The choice of a GNU generation.