No library found for -lpq

Dear DBD-Pg experts!

I tried to install DBD::Pg 1.49 on WINDOWS XP following the README.win32
file, but I still have serious problems.

Because I found no possibility to compile postgresql from the source files
(MS VC++ Toolkit 2003 is no longer available and Microsoft Visaul C++ 2005
Express Edition gives errors), I installed directly the windows version of
PostgreSQL. ActivePerl 5.8.8.817 is already installed, also nmake and DBI
1.50.

So instead of the described steps I did the following:
- Step 3
  I copied pg_config.exe directly from my installed PostgreSQL to the
installation directory ...\DBD-Pg-1.49
- Step 4
  Because in my installation of PostgreSQL I didn't find libpq.dll, I
downloaded postgresql-8.1.4-1-binaries-no-installer.zip, unzipped it to a
temporary directory ...\postgresql-8.1.4-1-binaries-no-installer (...\ is
some temporary path).
- Step 7
  I set the variables as follws:
  POSTGRES_INCLUDE=...\postgresql-8.1.4-1-binaries-no-installer\include
  POSTGRES_LIB=...\postgresql-8.1.4-1-binaries-no-installer\lib
- Step 8
  I changed to ...\DBD-Pg-1.49 and called perl Makefile.PL resulting in the
error message: "Note (probably harmless): No library found for -lpq"
  Ignoring this I tried to call nmake, but this ended in a fatal error,
because the linker could not resolve some extern symbols.

Surfing through the net I found answers to that problem like "there is
missing the library libpq, that is part of the postgres installation".
Sarching for files like that I found libpq-fe.h, libpq.a, and libpq.dll in
my paths POSTGRES_INCLUDE and POSTGRES_LIB respectively.

Can you tell me what's going wrong? Are there missing files or environment
variables? And in case of missing files: where can I get them?


Best regards
i. A. Wolfgang Wening

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