hello
i'm on red hat 9, i'm trying to install gtk, it needs glib, atk and pango installed, so i installed glib and everything seems to be fine, but when i try to install atk i get this error:

checking for GLIB - version >= 2.5.7... no
*** Could not run GLIB test program, checking why...
*** The test program failed to compile or link. See the file config.log for the
*** exact error that occured. This usually means GLIB is incorrectly installed.
configure: error:
*** GLIB 2.5.7 or better is required. The latest version of
*** GLIB is always available from ftp://ftp.gtk.org/. If GLIB is installed
*** but not in the same location as pkg-config add the location of the file
*** glib-2.0.pc to the environment variable PKG_CONFIG_PATH.

my glib version is 2.6.3

any ideas? i'm newbie to linux and don't know what to do, i'd like to try changing that environment variable but i don't know how.

hope you can help me, thanks

what's in /usr/lib/pkgconfig for glib ?

ls -al /usr/lib/pkgconfig/gl*

Try this:
-Become root;
at the (shell)prompt, type:

# echo $(echo "export PKG_CONFIG_PATH="$(find / -iname "glib-2.0.pc" -printf %h"\n")) >> /etc/profile
# source /etc/profile

Then, try:
# tail -n 1 /etc/profile

If it shows noting (just empty space) after PKG_CONFIG_PATH=, there's no glibc-2.0.pc on your computer, and you should try to get that file.
If it shows some path
(for example:
PKG_CONFIG_PATH=/usr/lib )
try to emerge atk again.

Hope it helps.

export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH

if you did ./configure, make, make install ^ is what you need. note that if you still have the glib-2.x your system came with installed you will have runtime linker problems due to incorrect installation.