On Fri, Sep 20, 2013 at 7:45 PM, Alberto Garcia <[email protected]> wrote: > On Fri, Sep 20, 2013 at 03:33:11PM +0800, Aron Xu wrote: > >> > Here's how to reproduce it: >> > >> > $ echo 'main(){}' > test.c >> > $ gcc -o /dev/null test.c `pkg-config --cflags --libs libxslt` >> > >> > /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../x86_64-linux-gnu/libxslt.so: >> > error: undefined reference to 'fmod' >> > /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../x86_64-linux-gnu/libxslt.so: >> > error: undefined reference to 'pow' >> > /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../x86_64-linux-gnu/libxslt.so: >> > error: undefined reference to 'floor' >> > collect2: error: ld returned 1 exit status >> >> But I got no problem running this test case, even passing >> -Wl,--no-add-needed does not make any difference. > > Are you using the gold linker? With the latest binutils package you > have to add -fuse-ld=gold to the gcc command line. > > Berto
No, but I suspect the real cause is not in libxslt, as linking to libxslt does not mean you have to link to math.h. Passing -Wl,--no-add-needed -Wl,--as-needed when using ld.bfd should give correct behavior of DSO linking, which does not fail. Am I wrong here? -- Regards, Aron Xu -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
