Messages in this thread | | | Date | Sat, 3 Feb 2001 04:25:20 +0000 (GMT) | From | Paul Jakma <> | Subject | Re: [reiserfs-list] Re: ReiserFS Oops (2.4.1, deterministic, symlink |
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On Fri, 2 Feb 2001, Jakub Jelinek wrote:
> You can do: > if [ "$CC" = gcc ]; then > echo 'inline void f(unsigned int n){int i,j=-1;for(i=0;i<10&&j<0;i++)if((1UL<<i)==n)j=i;if(j<0)exit(0);}main(){f(64);exit(1);}' > test.c > gcc -O2 -o test test.c > if ./test; then echo "*** Please don't use this compiler to compile kernel"; fi > rm -f test.c test > fi > > (the $CC = gcc test is there e.g. so that the test is not done when > cross-compiling or when there is a separate kernel compiler and userland > compiler (e.g. on sparc64). This test will barf on gcc-2.96 up to -67 and > > Jakub
ehhmm..
[root@fogarty /tmp]# rpm -q gcc gcc-2.96-70 [root@fogarty /tmp]# cat test.c inline void f(unsigned int n){int i,j=-1;for(i=0;i<10&&j<0;i++)if((1UL<<i)==n)j=i;if(j<0)exit(0);}main(){f(64); exit(1);} [root@fogarty /tmp]# gcc -o test test.c [root@fogarty /tmp]# ./test
didn't barf here with 2.96-70.
regards, -- Paul Jakma paul@clubi.ie paul@jakma.org PGP5 key: http://www.clubi.ie/jakma/publickey.txt ------------------------------------------- Fortune: One person's error is another person's data.
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