On Fri, Sep 3, 2010 at 18:23, Edwin Quijada <listas_quijada@xxxxxxxxxxx> wrote: > >> Date: Fri, 3 Sep 2010 09:41:17 +0200 >> Subject: Re: Compiling extension C with MingW in windows, >> Error... >> From: magnus@xxxxxxxxxxxx >> To: listas_quijada@xxxxxxxxxxx >> CC: pgsql-general@xxxxxxxxxxxxxx >> >> On Fri, Sep 3, 2010 at 5:31 AM, Edwin Quijada >> <listas_quijada@xxxxxxxxxxx> wrote: >> > Hi, I am tryng to compile a C extension in windows using Minigw but >> > always I >> > get the same error >> > >> > C:\Program Files\PostgreSQL\8.3\share\exte_c>C:\mingw\bin\gcc -shared -o >> > pg2.dll >> > pg2.o >> > pg2.o:pg2.c:(.text+0x86): undefined reference to >> > `_imp__CurrentMemoryContext' >> > pg2.o:pg2.c:(.text+0x92): undefined reference to `MemoryContextAlloc' >> > collect2: ld returned 1 exit status >> > >> > This error is just when it links. >> >> You need to link against postgres.exe to get access to these symbols. >> I don't recall if the mingw linker allows you to just specify the EXE >> file these days, but I think it does. If not, you'll need to create an >> import library from the EXE and link to that (the binary distribution >> only ships with import libraries for MSVC, but mingw can't use >> standard windows import libraries, so you need to create your own >> there) > > Magnus how can I linking against postgres.exe I mean the gcc line. I did > others function and worked fine Sorry, I don't know this. I don't use mingw myself anymore. But it should work in the same way as you link against any other third-party DLLs with it - DLLs and EXEs are actually the same thing, just with different names... -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
