Last week-end I tried building an ARMv7-compatible Ghostscript executable. To do so, I checked out the trunk GCCSDK, built a cross-compiler (on openSuSE 11.2), which went smoothly and compiled the vanilla Ghostscript 8.54 sources.
At first glance the resulting executable works (e.g., it renders PDF files and converts PS to PDF fine), but it shows one striking oddity: When you run it using gs -h then it displays: Ghostscript 8.54<without a line feed, so the cursor remains here> That behaviour is wrong. It is supposed to display the version date after the number and many additional lines of help information. So, something has gone wrong in the porting process. The interesting thing is that I then checked out an older revision of GCCSDK (I chose rev4379), built the cross-compiler and recompiled the very same Ghostscript sources. This resulted in a fully working executable that displays the help information as it should. So, I conclude that something must have become broken in trunk between rev4379 and HEAD that causes this change of behaviour of the compiled executable. There were several significant changes since then, not least a switch from GCC 4.1.1 to 4.1.2, so the question is how we find out what causes this problem. I can try and do some revision chopping but this is a slow process because checking out the source tree and building the cross compiler takes quite a while. So, I am wondering whether anyone has an idea which change could have caused such an effect. Has there been a change in output stream handling in Unixlib? BTW: I chose rev4379 because it corresponds to the RISC OS release GCC 4.1.1 rel 2. I based this choice on the assumption that the state of the GCC for RISC OS release should be a stable state of the GCCSDK sources. Martin -- --------------------------------------------------------------------- Martin Wuerthner MW Software mar...@mw-software.com --------------------------------------------------------------------- _______________________________________________ GCCSDK mailing list gcc@gccsdk.riscos.info Bugzilla: http://www.riscos.info/bugzilla/index.cgi List Info: http://www.riscos.info/mailman/listinfo/gcc Main Page: http://www.riscos.info/index.php/GCCSDK
