Earnie Boyd wrote:
> Guido Draheim wrote:
>
>>Max Bowsher wrote:
>>
>>>Guido Draheim wrote:
>>>
>>>
>>>>How old may a gcc/binutils pair be? My oldest crosscompilers
>>>>are gcc 2.95.3 and ld --version reports 2.11.90.8. And for
>>>>all I know, these are in fact the oldest versions around,
>>>>no one want to go back beyond, I guess.
>>>>
>>>>Is that enough, Max?
>>>
>>>
>>>Test:
>>>
>>>$ echo '__declspec(dllexport) void foo () {}' > foo.c
>>>$ gcc -shared foo.c -o foo.dll
>>>$ objdump -p foo.dll | fgrep -A 5 Characteristics
>>
>>The real problem is in a `gcc -shared foo.c -o foo.dll -lz`
>>and whether gcc can find the zlib dll, and link it even
>>when no .dll.a is available, with just the dll being present.
>>
>
>
> libfoo.dll.a should represent the import library. libfoo.a should
> represent the static library. libfoo.dll is also able to be used for
> the import library. I forget the ld search order, libfoo.dll.a,
> libfoo.a then libfoo.dll or is it libfoo.dll.a, libfoo.dll then
> libfoo.a, IIRC, it's the former and not the latter. If that is the
> case a libfoo.a that is truely a static library will be used instead of
> the shared library libfoo.dll.
>
>
>>The zlib is probably a good example - quite some portable
>>software makes use of it, including my http://zziplib.sf.net
>>
>
>
> Then you should know.
>
No, because I did just switch my system, and have to reinstall some
rpms - crosscompiler and stuff is some that. Atleast I am still
missing the crosscompiled zlib stuff that I used to use to
crosscompile the project - before going deeper, here's a quick try
with the stock zlib.dll which stil have on my disk leftover from
the link experiments with the borland compilers:
$ i386-mingw32-ld -shared -L../../zlib114dll/dll32 -o zzip.dll \
zzip-zip.lo zzip-file.lo zzip-dir.lo zzip-stat.lo zzip-info.lo \
zzip-err.lo zzip-io.lo -lz
i386-mingw32-ld: cannot find -lz
$ ls -l ../../zlib114dll/dll32
insgesamt 80
lrwxrwxrwx 1 guidod root 8 Sep 17 21:51 libz.dll -> zlib.dll
-rw-r--r-- 1 guidod root 6656 M�r 13 2002 zlib_bor.lib
-rw-r--r-- 1 guidod root 53248 M�r 13 2002 zlib.dll
-rw-r--r-- 1 guidod root 14310 M�r 13 2002 zlib.lib
$ i386-mingw32-objdump -p ../../zlib114dll/dll32/libz.dll | grep deflate
[ 3] deflate
[ 4] deflateCopy
[ 5] deflateEnd
[ 6] deflateInit2_
[ 7] deflateInit_
[ 8] deflateParams
[ 9] deflateReset
[ 10] deflateSetDictionary
.... well, perhaps that's not the right thing to go at it, the rest
has to wait a bit till I get all things together again...
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