No implementation found for style `ifthen'
No implementation found for style `graphicx'

The gildas-prog.aux file was not found, so sections will not be numbered 
and cross-references will be shown as icons.
couldn't convert character Tdot into available encodings

 ...set $ACCENT_IMAGES  to get an image 
couldn't convert character Ndot into available encodings
couldn't convert character Adot into available encodings
