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Could someone please run this test on Solaris and report the result to me? I'd like to know what Solaris does before I make the change. I had the impression that on Solaris, a weak definition in relocatable file will override the strong one in DSO. H.J. ----- On Fri, Apr 29, 2005 at 04:37:15PM +0100, Graham Hudspith wrote: > H. J. Lu wrote: > > > > >Can you try one thing for me? > > > >1. Build and run your original test on RH9. > >2. Send me your output on RH9. > >3. Copy the binaries to FC3. > >4. Run the same binaries, which are built on RH9, on FC3. > >5. Send me your output on FC3. > > > > > > > H. J. , > > Thanks for your persistence. Here are the results of building and > running my example under RH9: > > [opt-testing@fender modified]$ make > gcc -B./ -O -g -c -o main.o main.c > gcc -B./ -O -g -fPIC -c foo.c -o shared.o > gcc -B./ -shared -o libshared1.so shared.o > gcc -B./ -O -g -fPIC -c bar.c -o bar.o > ar rv libfoo.a bar.o > a - bar.o > gcc -B./ -o main1 main.o libshared1.so libfoo.a -Wl,-rpath,. > gcc -B./ -o main2 main.o libfoo.a > gcc -B./ -shared -o libshared3.so shared.o libfoo.a > gcc -B./ -o main3 main.o libshared3.so libfoo.a -Wl,-rpath,. > ./main1 > Shared library > Real bar > ./main2 > Real bar > ./main3 > Shared library > Real bar > > As you can, all three examples work correctly. Now, copying the > binaries across to an FC3 system: > > [gwh@snowball modified]$ make > ./main1 > Shared library > Real bar > ./main2 > Real bar > ./main3 > Shared library > Real bar > > So, the RH9 binaries execute correctly under FC3. Now to BUILD and > run under FC3: > > [gwh@snowball modified]$ make > gcc -B./ -O -g -c -o main.o main.c > gcc -B./ -O -g -fPIC -c foo.c -o shared.o > gcc -B./ -shared -o libshared1.so shared.o > gcc -B./ -O -g -fPIC -c bar.c -o bar.o > ar rv libfoo.a bar.o > ar: creating libfoo.a > a - bar.o > gcc -B./ -o main1 main.o libshared1.so libfoo.a -Wl,-rpath,. > gcc -B./ -o main2 main.o libfoo.a > gcc -B./ -shared -o libshared3.so shared.o libfoo.a > gcc -B./ -o main3 main.o libshared3.so libfoo.a -Wl,-rpath,. > ./main1 > Real bar > ./main2 > Real bar > ./main3 > Shared library > Real bar > > You can see that the run of "main1" has failed. > > I've attached the source-code again, just so we know which set we > are talking about. > > Regards, > > Graham. >
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