tags 330521 + unreproducible thanks Michal =?UTF-8?Q?=C4=8Ciha=C5=99?= writes: > Package: gcc-4.0 > Version: 4.0.1-9 > Severity: normal > > Hi > > while compiling with different parameters order you get different > results: > > $ gcc -g -L/usr/X11R6/lib/ -lGL -lglut -lGLU -pthread -Wall configure.c -o > configure.bin > configure.c: In function \xE2\x80\x98main\xE2\x80\x99: > configure.c:11: warning: assignment discards qualifiers from pointer target > type > $ ./configure.bin > $ gcc -g configure.c -L/usr/X11R6/lib/ -lGL -lglut -lGLU -pthread -Wall -o > configure.bin > configure.c: In function \xE2\x80\x98main\xE2\x80\x99: > configure.c:11: warning: assignment discards qualifiers from pointer target > type > $ ./configure.bin > Segmentation fault > > Note that only source filename has moved from end to beginning and > program runs differently (segfault is a code problem). This is taken > from configure of Raydium engine [1], problematic file attached to bug > report. > > 1. http://raydium.cqfd-corp.org/ > > Preprocessed files (*.i) and assembly (*.s) are same in both cases, > only difference is how collect2 is called, once (in failing case) > resulting object is before GL libs, second time after then. But order > should not matter, or am I wrong?
I cannot reproduce the segfault on amd64. In general the order does matter, so you should pass the libraries after object files, and order the libraries so that undefined references in a library can be resolved by libraries following the referencing library on the command line.
