hm, I'm still stuck: can't compile extension with mingw compiler.
I use Dev-CPP IDE (4.9.9.2) with MingW 3.7. Has it been tested to compile
extensions under XP with PostgresQL 8.1.2 ?
Al I get are compiler errors:
gcc.exe -c fd.c -o fd.o -I"C:/Dev-Cpp/include"
-I"D:/.Work/postgresql/postgresql-8.1.2/src/include"
-I"D:/.Work/postgresql/postgresql-8.1.2/src/include/port/win32"
-I"D:/.Work/postgresql/postgresql-8.1.2/src/include"
-I"D:/.Work/postgresql/postgresql-8.1.2/src/include/port/win32"
-DBUILDING_DLL=1 -DWIN32 -DWIN32_CLIENT_ONLY=0
D:/.Work/postgresql/postgresql-8.1.2/src/include/port/win32.h:181:
error: redefinition of typedef 'pid_t'
C:/Dev-Cpp/include/sys/types.h:75: error: previous declaration of
'pid_t' was here
In file included from
D:/.Work/postgresql/postgresql-8.1.2/src/include/postgres.h:48,
from fd.c:8:
D:/.Work/postgresql/postgresql-8.1.2/src/include/c.h:328: error:
redefinition of typedef 'sig_atomic_t'
C:/Dev-Cpp/include/signal.h:46: error: previous declaration of
'sig_atomic_t' was here
In file included from
D:/.Work/postgresql/postgresql-8.1.2/src/include/access/tupdesc.h:18,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/utils/rel.h:17,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/storage/bufmgr.h:21,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/storage/bufpage.h:18,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/access/htup.h:17,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/utils/tqual.h:18,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/access/relscan.h:18,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/nodes/execnodes.h:17,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/executor/execdesc.h:19,
from
D:/.Work/postgresql/postgresql-8.1.2/src/include/executor/executor.h:17,
from fd.c:10
.....
.....
.....
I was wondering if I can use VC compiler to compile UDF DLL ?
If yes then I am wondering why I am getting linking errors:
Compiling...
fd.c
Linking...
Creating library Debug/fd.lib and object Debug/fd.exp
fd.obj : error LNK2001: unresolved external symbol
_CurrentMemoryContext Debug/fd.dll : fatal error LNK1120: 1
unresolved externals
It seems that linker is not able to find symbol CurrentMemoryContext.
This variable is declared in palloc.h, but I can't find the
implementation of this variable in libpostgres.a ?
No, you need to use mingw to compile extensions.
//Magnus
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