[mapserver-users] AGG vs GD rendering shows no difference

[Adrian Popa]

Hello everyone!

After a few hours of digging, I managed to solve the problem.
I checked mapserver's dependencies and it was linked against agg 2.3:
[root at terra tmp]# ldd /var/www/cgi-bin/mapserv | grep agg
    libagg.so.2 => /usr/lib/libagg.so.2 (0x003f5000)

lrwxrwxrwx 1 root root     15 Jun 15 10:31 /usr/lib/libagg.so -> 
libagg.so.2.0.1
lrwxrwxrwx 1 root root     15 Jun 15 10:31 /usr/lib/libagg.so.2 -> 
libagg.so.2.0.1
-rwxr-xr-x 1 root root 228524 Feb 17  2006 /usr/lib/libagg.so.2.0.1

However, when I compiled mapserver I pointed the AGG code (--with-agg) 
to version 2.5.

So mapserver had been compiled against agg 2.5 but was running with agg 
2.3. This caused the segfault when using agg.

The solution is to compile AGG2.5 and to install it in the system.
Unfortunately, the AGG documentation is scarce and doesn't clearly say 
how to compile the code, and even if I'm a linux seasoned user, I failed 
to see the autogen.sh script.
Here's how I compiled AGG:
*sh 
autogen.sh                                                                                                                                                                       

./configure --disable-platform --disable-examples 
--prefix=/usr                                                                                                                     

make                                                                                                                                                                                

make install  *


And now, I have also the newer libs in my /usr/lib/ directory:
[root at terra mapserver]# ls -l /usr/lib/libagg*
-rw-r--r-- 1 root root 1313570 Jun 17 17:06 /usr/lib/libagg.a
-rw-r--r-- 1 root root  395874 Jun 17 17:06 /usr/lib/libaggfontfreetype.a
-rwxr-xr-x 1 root root     897 Jun 17 17:06 /usr/lib/libaggfontfreetype.la
lrwxrwxrwx 1 root root      27 Jun 17 17:06 
/usr/lib/libaggfontfreetype.so -> libaggfontfreetype.so.2.0.4
lrwxrwxrwx 1 root root      27 Jun 17 17:06 
/usr/lib/libaggfontfreetype.so.2 -> libaggfontfreetype.so.2.0.4
-rwxr-xr-x 1 root root  283338 Jun 17 17:06 
/usr/lib/libaggfontfreetype.so.2.0.4
-rwxr-xr-x 1 root root     785 Jun 17 17:06 /usr/lib/libagg.la
-rw-r--r-- 1 root root   53282 Feb 17  2006 /usr/lib/libaggplatformX11.a
lrwxrwxrwx 1 root root      26 Jun 15 10:31 
/usr/lib/libaggplatformX11.so -> libaggplatformX11.so.2.0.1
lrwxrwxrwx 1 root root      26 Jun 15 10:31 
/usr/lib/libaggplatformX11.so.2 -> libaggplatformX11.so.2.0.1
-rwxr-xr-x 1 root root   43468 Feb 17  2006 
/usr/lib/libaggplatformX11.so.2.0.1
lrwxrwxrwx 1 root root      15 Jun 17 17:06 /usr/lib/libagg.so -> 
libagg.so.2.0.4
lrwxrwxrwx 1 root root      15 Jun 17 17:06 /usr/lib/libagg.so.2 -> 
libagg.so.2.0.4
-rwxr-xr-x 1 root root  228524 Feb 17  2006 /usr/lib/libagg.so.2.0.1
-rwxr-xr-x 1 root root  774469 Jun 17 17:06 /usr/lib/libagg.so.2.0.4

And mapserver renders my maps very well (see attached photos)

Thank you all for your help!
Regards,
Adrian

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