Compiling nagios-3.0.6 on RHEL5-x86_64

[Guy Waugh]

Hi all,

I'm trying to get nagios-3.0.6 compiled on RHEL5-x86_64, and I can't get
configure to think that it's found a working libgd/libpng/libjpeg. Nagios is
working, but I'm trying to get NDOUtils installed (so I can install NagVis),
and to do that, I needed to recompile nagios with '--enable-event-broker',
which made me think that maybe I'll need the graphics stuff for NDOUtils
and/or NagVis (please let me know if this is incorrect).

I'm using this as my configure line:

export LDFLAGS="-L/usr/lib64"
./configure \
        --prefix=/usr/local/nagios \
        --with-command-group=nagcmd \
        --enable-event-broker \
        --with-gd-inc=/usr/include \
        --with-gd-lib=/usr/lib64

configure says:

(...)
checking for main in -liconv... no
checking for gdImagePng in -lgd (order 1)... no
checking for gdImagePng in -lgd (order 2)... no
checking for gdImagePng in -lgd (order 3)... no
checking for gdImagePng in -lgd (order 4)... no


*** GD, PNG, and/or JPEG libraries could not be located... *********
(...)

However, I can see the following in config.log:

configure:5768: checking for gdImagePng in -lgd (order 1)
configure:5796: gcc -o conftest -g -O2 -I/usr/include  -L/usr/lib64
-L/usr/lib64 conftest.c -lgd -lttf -lpng -ljpeg -lz -lm  >&5
/usr/bin/ld: cannot find -lttf

configure:5844: checking for gdImagePng in -lgd (order 2)
configure:5872: gcc -o conftest -g -O2 -I/usr/include  -L/usr/lib64
-L/usr/lib64 conftest.c -lgd  -lpng -ljpeg -lz -lm  >&5
/usr/bin/ld: skipping incompatible /usr/lib/libz.so when searching for -lz
/usr/bin/ld: skipping incompatible /usr/lib/libz.a when searching for -lz
/usr/bin/ld: cannot find -lz

configure:5921: checking for gdImagePng in -lgd (order 3)
configure:5949: gcc -o conftest -g -O2 -I/usr/include  -L/usr/lib64
-L/usr/lib64 conftest.c -lgd  -lz -lm -lpng  >&5
/usr/bin/ld: skipping incompatible /usr/lib/libz.so when searching for -lz
/usr/bin/ld: skipping incompatible /usr/lib/libz.a when searching for -lz
/usr/bin/ld: cannot find -lz

configure:5998: checking for gdImagePng in -lgd (order 4)
configure:6026: gcc -o conftest -g -O2 -I/usr/include  -L/usr/lib64
-L/usr/lib64 conftest.c -lgd  -lpng -lz -lm  >&5
/usr/bin/ld: skipping incompatible /usr/lib/libz.so when searching for -lz
/usr/bin/ld: skipping incompatible /usr/lib/libz.a when searching for -lz
/usr/bin/ld: cannot find -lz

It looks like it's finding the gd libraries but can't find libttf and
doesn't like the libz libraries in /usr/lib (that come from the 32-bit
package).

>From what I can see, it looks like there isn't a libttf any more (its
functionality has been moved into libfreetype). However, why would it not
like /usr/lib/libz.(so|a)? How would I make configure try to use the
libz.(so|a) in /usr/lib64 rather than /usr/lib? And should I worry about the
libttf thing?

Thanks,
Guy.
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