[syslog-ng] libdbi wrongly recognized in latest git source

[Peter Eckel]

Hi,

when building syslog-ng from the latest git source, I found a 
problem with libdbi that occurs on my Redhat ES 5.2 systems that 
do not have libdbi installed (neither have my customer's systems):

>commit 6ca874d7ea362e4f0286245542f7ea601743c72d
>Author: Balazs Scheidler <bazsi at balabit.hu>
>Date:   Mon Feb 9 11:44:09 2009 +0100
>
>[configure] added kludge to recognize libdbi without an installed dbi.pc file
>
>libdbi does not always install a pkg-config file, work without one, assuming
>it was installed to the default location.

Unfortunately configure now also recognizes libdbi if it is not 
installed at all:

[sec at linux1 sbin]$ rpmquery libdbi
package libdbi is not installed

[sec at linux1 sbin]$ rpmquery libdbi-devel
package libdbi-devel is not installed

[sec at linux1 syslog-ng.git]$ ./configure --disable-ssl 
--disable-sql --disable-ipv6 --enable-pcre 
--prefix=/opt/sec/local CFLAGS=-I/opt/sec/local/include LDFLAGS=-L/opt/sec/local/lib
[...]
checking for dlsym in -ldl... (cached) yes
checking for LIBDBI... no
checking for LIBDBI... yes
checking for LIBNET... which: no libnet-config in (/opt/CollabNet_Subversion/bin:/opt/sec/local/bin:/usr/kerberos/bin:/opt/sec/local/bin:/opt/CollabNet_Subversion/bin:/usr/local/bin:/bin:/usr/bin:/home/sec/bin)
no
[...]

[sec at linux1 syslog-ng.git]$ make
[...]
gcc  -I/opt/sec/local/include -Wall  -L/opt/sec/local/lib -o 
syslog-ng  main.o libsyslog-ng.a   -lrt -lnsl  -Wl,-Bstatic -lfl 
-L/lib -lglib-2.0   -L/opt/sec/local/lib -levtlog   
-L/usr/kerberos/lib -lssl -lcrypto -ldl -lz   -lz  -lwrap  
-lpcre  -Wl,-Bdynamic -ldbi -ldl
/usr/bin/ld: cannot find -ldbi
collect2: ld returned 1 exit status
make[2]: *** [syslog-ng] Error 1
make[2]: Leaving directory `/home/sec/syslog-ng.git/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/sec/syslog-ng.git'
make: *** [all] Error 2

The latest 3.0.1 tarball worked fine.

Peter.