On Tue, Mar 21, 2006 at 01:07:48PM -0500, Andrew Sveikauskas wrote: > Hi, > > I just upgraded to the 3.9 snapshot in FTP (this is on 386) and I find > that dlopen() does not work. > [snip] > > And then: > $ gcc -shared -o liba.so a.c > $ gcc b.c > $ ./a.out > ./a.out:./liba.so: undefined symbol 'x' > > This also happens if I change RTLD_LAZY to RTLD_NOW or anything else. > > Is this a known issue? Did I do something wrong in the upgrade process? >
With ELF symbols in an executable which are not explictly referenced from a shared library are not exported, for this to work you must pass the linker flag -E or --export-dynamic, then the program will work as expected. eg: $ gcc -Wl,-E b.c Dale Rahn [EMAIL PROTECTED]
