On Fri, Jan 13, 2012 at 7:00 PM, Ian Lance Taylor <i...@google.com> wrote: > Uros Bizjak <ubiz...@gmail.com> writes: > >>> I have committed a patch to libgo to update it to the weekly.2011-12-22 >>> release. As usual I am not including all the changes here, only the >>> ones to files which are specific to gccgo. Bootstrapped and ran Go >>> testsuite on x86_64-unknown-linux-gnu. Committed to mainline. >> >> After this commit, compile on alphaev68-linux-gnu dies with: >> >> libtool: compile: /space/uros/gcc-build-go/./gcc/gccgo >> -B/space/uros/gcc-build-go/./gcc/ >> -B/usr/local/alphaev68-unknown-linux-gnu/bin/ >> -B/usr/local/alphaev68-unknown-linux-gnu/lib/ -isystem >> /usr/local/alphaev68-unknown-linux-gnu/include -isystem >> /usr/local/alphaev68-unknown-linux-gnu/sys-include -O2 -g -mieee -I . >> -c -fgo-prefix=libgo_exp >> ../../../gcc-svn/trunk/libgo/go/exp/terminal/terminal.go >> ../../../gcc-svn/trunk/libgo/go/exp/terminal/util.go -fPIC -o >> exp/.libs/terminal.o >> ../../../gcc-svn/trunk/libgo/go/exp/terminal/util.go:69:23: error: >> reference to undefined identifier ‘syscall.TIOCGWINSZ’ >> make[4]: *** [exp/terminal.lo] Error 1 >> make[4]: *** Waiting for unfinished jobs.... > > Thanks for the report, but this is surprising. Doesn't Alpha GNU/Linux > define TIOCGWINSZ in /usr/include/asm-generic/ioctls.h? And isn't that > file #include'd, indirectly, by <sys/ioctl.h>? > > If not, does Alpha GNU/Linux define TIOCGWINSZ at all, and how does it > define it? I thought TIOCGWINSZ was common, and I'm particularly > surprised to not find it on a GNU/Linux system.
This is the same problem with -fdump-go-spec we discussed a couple of months ago [1]. In short, alpha linux doesn't just include <asm-generic/ioctls.h> with hardcoded numbers in asm/ioctls.h, but builds ioctl arguments as shown in [1]. Probably, this is the right way ... [1] http://gcc.gnu.org/ml/gcc-patches/2011-11/msg00117.html Uros.
