perl build problems, chapter 5

Nathan Coulson conathan at
Mon Jul 18 21:48:30 PDT 2011

On Sun, Jul 3, 2011 at 12:03 PM, Bruce Dubbs <bruce.dubbs at> wrote:
> Nathan Coulson wrote:
>> On Sun, Jul 3, 2011 at 3:26 AM, Andrew Benton <b3nton at> wrote:
>>> On Sat, 2 Jul 2011 19:26:34 -0700
>>> Nathan Coulson <conathan at> wrote:
>>>> Checking for optional libraries...
>>>> What libraries to use?
>>>> [-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat -lpthread]
>>>> I've tried to compile and run the following simple program:
>>>> #include <stdio.h>
>>>> int main() { printf("Ok\n"); return(0); }
>>>> I used the command:
>>>> $ cc -o try -O2 -fno-strict-aliasing -pipe -fstack-protector
>>>> -fstack-protector try.c -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
>>>> -lgdbm_compat -lpthread
>>>> $ ./try
>>>> and I got the following output:
>>>> cannot find -lgdbm
>>>> cannot find -ldb
>>>> collect2: ld returned 1 exit status
>>>> I can't compile the test program.
>>>> You have a BIG problem. Â Shall I abort Configure [y]
>>>> Ok. Â Stopping Configure.
>>>> must have picked up that I had gdbm and db on the host somehow
> In my test logs, I have
> What libraries to use? [-lnsl -ldl -lm -lcrypt -lutil -lc]
> I do have /usr/lib/libgdbm.{a,so,so.3,so.3.0.0}, but not /usr/lib/libdb*.
>> -Dnoextensions=GDBM_File fixed it for me,  but never had time to hunt
>> down the reason yet
> It looks like a partial installation to me where configure finds some
> parts and thinks it can use libdb, but then can't.  If it did build that
> in, it looks like it might cause a problem in Chapter 6.
>   -- Bruce

sorry it took me a while to play with this.

I noted the following in the config log

Directories to use for library searches? [/lib /usr/lib /tools/lib]

so went with -Dlibpth=/tools/lib

Again, not sure why I am the only one who ran into this so far...  and
have not tested with my previous perl yet to compare the output's.

Nathan Coulson (conathan)
Location: British Columbia, Canada
Timezone: PST (-8)

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