hg: bsd-port/bsd-port/hotspot: . OpenBSD nm(1) doesn't have -U or -j, so provide an OpenBSD specific

[Jung-uk Kim]

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On 2014-05-05 14:59:32 -0400, ?? wrote:
2014년  5월  5일 14:59, Jung-uk Kim 쓴 글:> On 2014-05-05 13:27:44
- -0400, ?? wrote:
>> On 2014-05-05 13:05:56 -0400, ?? wrote:
>>> On Mon, 2014-05-05 at 12:42 -0400, Jung-uk Kim wrote:
>>>> On 2014-05-05 02:37:38 -0400, ?? wrote:
>>>>> Hi,
>>>>> 
>>>>> Thus wrote kurt at intricatesoftware.com 
>>>>> (kurt at intricatesoftware.com):
>>>>> 
>>>>>> . OpenBSD nm(1) doesn't have -U or -j, so provide an 
>>>>>> OpenBSD specific
>>>>> 
>>>>> neither have NetBSD's nor FreeBSD's. Generalization would
>>>>> be appreciated.
>>>> 
>>>> FYI, this is what I did in FreeBSD port for jdk8.
>>>> 
>>>> /head/java/openjdk8/files/patch-bsd?revision=352721&view=markup#l155
>>>>
>>>>
>>>>
>
>>>> 
>>>> 
> Jung-uk Kim
> 
>>> Thanks. OpenBSD doesn't have --defined-only. I believe the 
>>> following change will work for *BSD:
> 
>> I see.
> 
>>> diff -r 0d6f95e05945 make/bsd/makefiles/build_vm_def.sh --- 
>>> a/make/bsd/makefiles/build_vm_def.sh	Mon Apr 28 12:29:31 2014 
>>> -0400 +++ b/make/bsd/makefiles/build_vm_def.sh	Mon May 05 
>>> 12:50:51 2014 -0400 @@ -7,7 +7,10 @@ NM=nm fi
> 
>>> -if [ `uname` == "OpenBSD" ] ; then
> 
>> Please note '==' is a Linuxism/Bashism.  '=' is Posixly-correct 
>> equivalent.
> 
>>> +OS_NAME=`uname -s` +BSD_OS=${OS_NAME##${OS_NAME%BSD}} + +if [
>>>  "$BSD_OS" == "BSD" ] ; then $NM $* \ | awk '{ if ($2 != "U")
>>> if ($3 ~ /^_ZTV/ || $3 ~ /^gHotSpotVM/) print "\t" $3 ";"
>> ...
> 
>> This file is just for *BSDs and Mac but Mac's toolchains are 
>> always special.  Therefore, Darwin should be specialized, not 
>> ours.
> 
>> Also, I am not sure why 'if ($2 != "U")' was repeated three
>> times. awk(1) is not that dumb. ;-)
> Actually, I realized it won't work for FreeBSD because the field 2
> is not always a symbol type.
> 
> % nm -V GNU nm 2.17.50 [FreeBSD] 2007-07-03 Copyright 2007 Free
> Software Foundation, Inc. This program is free software; you may
> redistribute it under the terms of the GNU General Public License.
> This program has absolutely no warranty. % nm mknodes.o U __error U
> __isthreaded 0000000000000f50 t __sputc U __stderrp U __stdinp U
> __swbuf 00000000000069d0 b curstr 0000000000000b00 t error ... % nm
> mknodes.o | awk '{print $2}' __error __isthreaded t __stderrp 
> __stdinp __swbuf b t ...
> 
> In fact, it is always $1 because undefined symbol does not have an 
> address. :-/

It seems OpenBSD is the only one requiring the hack and working with
it and other *BSDs seem to have '--defined-only' or '-U' option.
Therefore, I am going to commit the following for my jdk8 port later.

https://redports.org/changeset/26342/#file1

Jung-uk Kim
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