From: "Ara.T.Howard" <Ara.T.Howard@...>
Date: 2004-10-12T03:24:38+09:00
Subject: postgresql compilation problem


am i doing something stupid here?

~/ruby-postgres-0.7.1 > ruby extconf.rb  --with-pgsql-lib-dir=/usr/lib/ 
checking for cygwin32_socket() in -lwsock32... no
checking for socket() in -lsocket... no
checking for gethostbyname() in -linet... no
checking for gethostbyname() in -lnsl... yes
checking for sys/un.h... yes
checking for socket()... yes
checking for hsterror()... no
checking for gethostname()... yes
Using PostgreSQL lib directory: /usr/lib/
checking for PQsetdbLogin() in -lpq... no
Could not find PostgreSQL libraries: Makefile not created

~/ruby-postgres-0.7.1 > strings /usr/lib/libpq.so.3 | grep PQsetdbLogin
PQsetdbLogin


from mkmf.log:

have_library: checking for PQsetdbLogin() in -lpq... -------------------- no

"gcc -o conftest -I/usr/local/lib/ruby/1.8/i686-linux -I/usr/local/lib/ruby/1.8/i686-linux   conftest.c  -L"/usr/local/lib" -L/usr/lib/     -lnsl  -lruby-static -lpq -lnsl  -ldl -lcrypt -lm   -lc"
/usr/bin/ld: cannot find -lpq
collect2: ld returned 1 exit status
checked program was:
/* begin */

/*top*/
int main() { return 0; }
int t() { PQsetdbLogin(); return 0; }
/* end */

"gcc -o conftest -I/usr/local/lib/ruby/1.8/i686-linux -I/usr/local/lib/ruby/1.8/i686-linux   conftest.c  -L"/usr/local/lib" -L/usr/lib/     -lnsl  -lruby-static -lpq -lnsl  -ldl -lcrypt -lm   -lc"
conftest.c: In function `t':
conftest.c:5: `PQsetdbLogin' undeclared (first use in this function)
conftest.c:5: (Each undeclared identifier is reported only once
conftest.c:5: for each function it appears in.)
checked program was:
/* begin */


/*top*/
int main() { return 0; }
int t() { void ((*volatile p)()); p = (void ((*)()))PQsetdbLogin; return 0; }
/* end */

--------------------


what's going on here?  the linking flags (-L /usr/lib) should be picking up the
lib - but seem not to?

confused.


-a
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