[Rd] Compiling PL/R against R.dll in Win32/MinGW

From: Mike Leahy <mgleahy_at_alumni.uwaterloo.ca>
Date: Fri 07 Apr 2006 - 19:45:38 GMT

Hello list,

I've been trying to get the PostgreSQL PL/R library to compile on windows (http://www.joeconway.com/plr/). The author of this library says the problem is likely because the distributed R.dll isn't compiled as a shared dll. Is this the case? If so, is there any way to compile it such that it is shared? If that's not the case, than maybe someone on this list has a better understanding of the errors I'm getting (below).

Thanks in advance for any suggestions.


gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Winline
-Wdeclaration-after-statement -Wendif-labels -fno-strict-aliasing
  -I. -Ic:/Progra~1/R/R-2.3.0alpha/include
-Ic:/Progra~1/R/R-2.3.0alpha/include -I. -Ic:/MinGW/include/server

ude/internal -I./src/include/port/win32 -DEXEC_BACKEND "-IC:/msys/pgsql/lib/pgxs/src/MAKEFI~1/../../src/include/port/win32"
-Ic:/MinGW/include/server/port/win32 -Ic:/msys/src/pgsql/src/include
-Ic:/msys/src/pgsql/src/include/port/win32 -DPKGLIBDIR=\
"c:/MinGW/lib\" -DDLSUFFIX=\".dll\" -c -o pg_rsupport.o pg_rsupport.c dlltool --export-all --output-def plr.def plr.o pg_conversion.o pg_backend_support.o pg_userfuncs.o pg_rsupport.o dllwrap -o libplr.dll --dllname libplr.dll --def plr.def plr.o pg_conversion.o pg_backend_support.o pg_userfuncs.o pg_rsupp ort.o -Lc:/Progra~1/R/R-2.3.0alpha/bin -Lc:/Progra~1/R/R-2.3.0alpha/bin
-Lc:/MinGW/lib -Lc:/MinGW/lib -lR -lpostgres
Info: resolving _pkglib_path by linking to __imp__pkglib_path (auto-import) Info: resolving _Dynamic_library_path by linking to __imp__Dynamic_library_path (auto-import) plr.o(.text+0xe3):plr.c: undefined reference to `Rf_initEmbeddedR' pg_conversion.o(.text+0x12d3):pg_conversion.c: undefined reference to `ARR_OVERHEAD'

fu000061.o(.idata$3+0xc): undefined reference to `libpostgres_a_iname'
fu000062.o(.idata$3+0xc): undefined reference to `libpostgres_a_iname'
fu000064.o(.idata$3+0xc): undefined reference to `libpostgres_a_iname'
nmth000060.o(.idata$4+0x0): undefined reference to `_nm__pkglib_path' nmth000063.o(.idata$4+0x0): undefined reference to `_nm__Dynamic_library_path'
collect2: ld returned 1 exit status
c:\MinGW\bin\dllwrap.exe: c:\MinGW\bin\gcc exited with status 1 make: *** [libplr.a] Error 1

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https://stat.ethz.ch/mailman/listinfo/r-devel Received on Sat Apr 08 06:11:45 2006

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