Re: narwhal and PGDLLIMPORT - Mailing list pgsql-hackers

From Tom Lane
Subject Re: narwhal and PGDLLIMPORT
Date
Msg-id 1206.1392161452@sss.pgh.pa.us
Whole thread Raw
In response to Re: narwhal and PGDLLIMPORT  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: narwhal and PGDLLIMPORT  (Craig Ringer <craig@2ndquadrant.com>)
Re: narwhal and PGDLLIMPORT  ("Inoue, Hiroshi" <inoue@tpf.co.jp>)
Re: narwhal and PGDLLIMPORT  (Hiroshi Inoue <inoue@tpf.co.jp>)
List pgsql-hackers
I wrote:
> Hiroshi Inoue <inoue@tpf.co.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.oSPI.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

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.
        regards, tom lane



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