Re: narwhal and PGDLLIMPORT

(2014/02/12 8:30), Tom Lane wrote:
> I wrote:
>> Hiroshi Inoue <inoue(at)tpf(dot)co(dot)jp> writes:
>>> I tried MINGW port with the attached change and successfully built
>>> src and contrib and all pararell regression tests were OK.
>
>> I cleaned this up a bit (the if-nesting in Makefile.shlib was making
>> my head hurt, not to mention that it left a bunch of dead code) and
>> committed it.
>
> Hm ... according to buildfarm member narwhal, this doesn't work so well
> for plperl:
>
> gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -g -Wno-comment -shared -o plperl.dll plperl.o SPI.o Util.o -L../../../src/port -L../../../src/common -Wl,--allow-multiple-definition -L/mingw/lib -Wl,--as-needed -LC:/Perl/lib/CORE -lperl58 -L../../../src/backend -lpostgres -lpgcommon -lpgport -lintl -lxslt -lxml2 -lssleay32 -leay32 -lz -lm -lws2_32 -lshfolder -Wl,--export-all-symbols -Wl,--out-implib=libplperl.a
> Cannot export .idata$4: symbol not found
> Cannot export .idata$5: symbol not found
> Cannot export .idata$6: symbol not found
> Cannot export .text: symbol not found
> Cannot export perl58_NULL_THUNK_DATA: symbol not found
> Creating library file: libplperl.a
> collect2: ld returned 1 exit status
> make[3]: *** [plperl.dll] Error 1

Oops I forgot to inclule plperl, tcl or python, sorry. I would
retry build operations with them. Unfortunately it would take
pretty long time because build operations are pretty (or veeery
in an old machine) slow.

> Not very clear what's going on there; could this be a problem in
> narwhal's admittedly-ancient toolchain?
>
> BTW, now that I look at this ... why are we bothering to build static
> libraries (.a files) for DLLs? They have no possible use AFAICS.

They are import libraries though I doubt such plugins need them.

regards,
Hiroshi Inoue

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