Putting this line
-L/usr/local/pgsql/lib -lpq
in my Other Linker Flags, made the error go away,
thanks Tony, thanks everyone else who was working with me
Justin Giboney
On Mar 24, 2008, at 2:57 PM, Tony Becker wrote:
Seems like
-L/usr/local/pgsql/lib -lqp
or
-L/usr/local/pgsql/lib -lqp
Should work, from your file names.
It also seems like including <libpg.h> might be better then <libpq-
fe.h>, but I don't know what the -fe means.
There also maybe (should be) an include file named pq.h -> by
convension the include <name.h> is the same as -l<name> for
libraries, so include <libpq.h> seems strange to me.
It seems like the progress sql guy replied in the thread - he may
have a better answer.
On Mar 24, 2008, at 4:36 PM, Justin Giboney wrote:
Tony,
I have the following files that the search returns
/usr/local/src/postgres/postgres-8.3.0/src/include/libpq/libpq-fe.h
/usr/local/src/postgres/postgres-8.3.0/src/interfaces/libpq/libpq-
int.h
/usr/local/src/postgres/postgres-8.3.0/src/include/libpq/libpq-be.h
/usr/local/src/postgres/postgres-8.3.0/src/include/libpq/libpq-fs.h
/usr/local/src/postgres/postgres-8.3.0/src/include/libpq/libpq.h
/usr/local/pgsql/include/libpq-fe.h --this is the file I included
/usr/local/pgsql/lib/libqp.a
/usr/local/pgsql/lib/libpq.dylib
are these last two lines really backwards pq vs qp?
I tried the ones that seemed the most logical. The had compile
errors.
Justin Giboney
On Mar 24, 2008, at 1:54 PM, Tony Becker wrote:
Yes, it's always a guess.
First, try
-lpq-fe
to match the header include.
Next, you'll need to look for it.
Try searching for a file named libpq in the finder - "This mac"
and "file name"
When you find it, also try -L<path to library directory> -l<lib
name minus "lib" in front and .extension> in the "Other linker
Flags"
Might be something like:
-L/usr/local/lib -lpq-fe
On Mar 24, 2008, at 3:46 PM, Justin Giboney wrote:
Thank you for responding,
All I have is the "include" folder that came with postgresql. I
am not sure what I need to add to that line
I tried:
-lpq
-llibpq
-l<libpq>
-l<pq>
Xcode just gives me a
Command /Developer/usr/bin/gcc-4.0 failed with exit code 1
when I try to compile
*I figured that the brackets were not need, but i tired them
anyways
On Mar 24, 2008, at 1:35 PM, Tony Becker wrote:
You also need to link to the library.
I'll assume you have a development library installed, since you
have a header.
You need to add a -l<library> (with the correct name/syntax of
the library (strip the preceding "lib" and trailing extension of
whatever it is) flag to the "Other Linker Flags" of the "Build"
tab of the target application (right click the target
application and "get info")
There, that was easy 8-)
On Mar 24, 2008, at 3:21 PM, Western Botanicals wrote:
Thank you to everyone who has responded so far. I ended up
fixing the problem by importing the "postgres_ext.h" file into
my project (I wish I could have just done a find for it).
But now with the following code:
#import <Cocoa/Cocoa.h>
#include <libpq-fe.h>
int main(int argc, char *argv[])
{
char *conninfo = "";
PGconn *conn;
conn = PQconnectdb(conninfo);
return NSApplicationMain(argc, (const char **) argv);
}
I get the following error when I try to compile:
"_PQconnectdb", referenced from:
_main in main.o
symbol(s) not found
collect2: ld returned 1 exit status
Is this code incorrect, or do I need to import something else?
Thank you,
Justin Giboney
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