Konstantin Belousov <[email protected]> writes: > On Wed, Feb 24, 2016 at 01:54:25PM +0100, Dimitry Andric wrote: >> On 24 Feb 2016, at 12:27, Raphael Kubo da Costa <[email protected]> wrote: >> > >> > I'm reviewing an update to the textproc/miller port in bug 207194, and >> > noticed it does some ugly things in post-configure to seemingly >> > work around the following problem (on 11-HEAD at least): >> > >> > % echo 'int main(void) { return 0; }' > foo.c >> > % clang -pg foo.c -lm >> > /usr/bin/ld: undefined reference to symbol `_end' (try adding -lc) >> > //lib/libc.so.7: could not read symbols: Bad value >> > cc: error: linker command failed with exit code 1 (use -v to see >> > invocation) >> >> Try using: clang -pg foo.c -lm_p >> >> That works for me (also with gcc). > > It probably not quite works, in the sense that it resolves _end to > something not correctly provided by libm_p.a. In other words, sbrk(), > if used for anything, would be broken.
It at least "works" in the sense that clang doesn't fail; however, in addition to kib's point this doesn't look optimal from a ports perspective, as it requires giving special treatment to certain targets and possibly hacking the build system in different ports. _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-toolchain To unsubscribe, send any mail to "[email protected]"
