I said, you screwed the libobjc2 itself up. 在 2013-6-13，上午5:23，Frank Rehwinkel <[email protected]> 写道：
> I don't mind turning Tests back on, but the Test doesn't compile. Looks like > the same problem. > > And there may be a problem with your patch submitted back in May. > > http://lists.gnu.org/archive/html/gnustep-dev/2013-06/msg00052.html > > The patch file extension is .bin. > > With Tests on, I get this error from the libobjc build. > > Linking C executable Test/AllocatePair > /usr/local/bin/clang \ > -std=gnu99 \ > -fexceptions \ > Test/CMakeFiles/AllocatePair.dir/AllocatePair.m.o \ > -o Test/AllocatePair \ > libobjc.so.4.6 \ > -lsupc++ -Wl,-rpath,/home/frank/objc/build -1.7-RC1 > > libobjc.so.4.6: undefined reference to `vtable for std::type_info' > libobjc.so.4.6: undefined reference to `std::type_info::__is_function_p() > const' > libobjc.so.4.6: undefined reference to `typeinfo for std::type_info' > libobjc.so.4.6: undefined reference to `std::type_info::~type_info()' > libobjc.so.4.6: undefined reference to > `std::type_info::__do_upcast(__cxxabiv1::__class_type_inf > o const*, void**) const' > libobjc.so.4.6: undefined reference to `std::type_info::__is_pointer_p() > const' > clang-3.4: error: linker command failed with exit code 1 (use -v to see > invocation) > > > On Wed, Jun 12, 2013 at 4:43 PM, Maxthon Chan <[email protected]> wrote: > Actually, buddy, you screwed the library up. Do not turn off Tests! > > Sent from my iPhone > > On 2013年6月13日, at 4:37, Frank Rehwinkel <[email protected]> wrote: > >> Well I realized the new failure in trying to build libobjc was coming from >> the Test directory and I had disabled the Test option the first time I used >> cmake. So that explains why this problem didn't surface the first time. >> >> But I'm left with the first problem reported. That -base won't link with >> the libobjc.so.4.6. Even when -lsup++ is added to the link options. >> >> >> On Wed, Jun 12, 2013 at 2:31 PM, Maxthon Chan <[email protected]> wrote: >> Hmm? Maybe the -std=gnu99 is an issue? >> >> I never built it using ninja so I am not so sure. Try use make? >> >> 在 2013-6-13，上午2:29，Frank Rehwinkel <[email protected]> 写道： >> >>> Checking the ccmake settings for libobjc2, it is already setup to use >>> libsupc++. >>> >>> Here is the ninja build failure. >>> >>> /usr/local/bin/clang >>> -std=gnu99 -fexceptions >>> Test/CMakeFiles/AllocatePair_optimised.dir/AllocatePair.m.o >>> -o Test/AllocatePair_optimised >>> libobjc.so.4.6 -lsupc++ -Wl,-rpath,/home/frank/objc/build-1.7-RC1 >>> libobjc.so.4.6: undefined reference to `vtable for std::type_info' >>> >>> libobjc.so.4.6: undefined reference to >>> `std::type_info::__is_function_p() const' >>> libobjc.so.4.6: undefined reference to `typeinfo for std::type_info' >>> >>> libobjc.so.4.6: undefined reference to `std::type_info::~type_info()' >>> >>> libobjc.so.4.6: undefined reference to >>> `std::type_info::__do_upcast(__cxxabiv1::__class_type_inf >>> o const*, void**) const' >>> >>> libobjc.so.4.6: undefined reference to >>> `std::type_info::__is_pointer_p() const' >>> clang-3.4: error: linker command failed with exit code 1 (use -v to see >>> invocation) >>> ninja: build stopped: subcommand failed. >>> >>> >>> On Wed, Jun 12, 2013 at 2:19 PM, Maxthon Chan <[email protected]> wrote: >>> Oh I missed this out, you can build LLVM libc++ linking against libsupc++ >>> too. >>> >>> My building system on Ubuntu is like this: >>> >>> clang -> LLVM -> libc++ -> libsupc++ (I am using 3.3rc2, not 3.4 head) >>> Étoilé -> gnustep-gui -> gnustep-base -> libobjc2 -> libsupc++ >>> libobjc2 -> libdispatch -> libobjc2 (ln -s libobjc.so libBlocksRuntime.so) >>> Étoilé -> libc++ >>> >>> 在 2013-6-13，上午2:14，Frank Rehwinkel <[email protected]> 写道： >>> >>>> In trying to understand your suggestion by searching the web for llvm and >>>> libcxxrt references, I run into notes saying that clang is normally linked >>>> with libsupc++. libsupc++ is in both the FreeBSD 9.1 host and the jail. >>>> >>>> Is using libsupc++ an option for building libobjc2 and gnustep-base? >>>> >>>> >>>> On Wed, Jun 12, 2013 at 1:57 PM, Maxthon Chan <[email protected]> wrote: >>>> Download and build it separately using the same SVN head version. >>>> >>>> If you built that, you should also build libc++ (LLVM's C++ runtime) and >>>> (maybe) link it against libc++rt. >>>> >>>> Also, when building gnustep-base, specify -I/usr/local/include and >>>> -L/usr/local/lib appropriately. >>>> >>>> 在 2013-6-13，上午1:54，Frank Rehwinkel <[email protected]> 写道： >>>> >>>>> gnustep-base configuration fails. See link error at the bottom and the >>>>> command line from config.log. In trying to rebuild objc2 1.7-RC1, I get >>>>> similar link errors now. I don't know why I didn't get these before but >>>>> maybe because now gnustep-make has been installed. >>>>> >>>>> Anyway, these errors seem to indicate that the libcxxrt.a is needed but >>>>> missing. In my FreeBSD 9.1 jail, there isn't even source for this >>>>> library let alone the library, and no port. On the FreeBSD host, there >>>>> are the source directories for it but as pointed out earlier, this >>>>> library is not yet built automatically. >>>>> >>>>> On a fresh FreeBSD 9.1 jail, where llvm and clang (trunk head 3.4) have >>>>> been manually built and installed to /usr/local, the configure step for >>>>> -base fails to link objc code. >>>>> >>>>> If I do need the libcxxrt.a, how do I build on the host? If I can do >>>>> that, manually copying library and headers to jail is then necessary I >>>>> guess. >>>>> >>>>> I tried to follow instructions from >>>>> http://lists.gnu.org/archive/html/gnustep-dev/2013-03/msg00127.html >>>>> (Building libobjc2 on FreeBSD 9.1 with clang 3.2 using cmake fails) >>>>> >>>>> which says to add MK_LIBCPLUSPLUS = yes >>>>> to /etc/make.conf but then make in /usr/src/lib/libcxxrt gives this error >>>>> >>>>> "/usr/share/mk/bsd.own.mk", line 478: MK_LIBCPLUSPLUS can't be set by a >>>>> user. >>>>> >>>>> FreeBSD 9.1 seems to ship with clang 3.1 but the ports would bring it to >>>>> 3.2. If I'm building the library manually, which clang version is >>>>> sufficient? >>>>> >>>>> In case libcxxrt isn't needed, here are the configure calls for -make and >>>>> -base. gnustep-make is built and installed with gmake and gmake install >>>>> (run as root). >>>>> >>>>> export CC=/usr/local/bin/clang >>>>> export CXX=${CC} >>>>> ( >>>>> cd core/make >>>>> ./configure \ >>>>> --with-layout=gnustep \ >>>>> --with-objc-lib-flag=-l:libobjc.so.4.6 \ >>>>> CC=${CC} CXX=${CXX} >>>>> gmake >>>>> gmake install # as root >>>>> ) >>>>> export GNUSTEP_CONFIG_FILE=/etc/GNUstep.conf >>>>> . /usr/GNUstep/System/Library/Makefiles/GNUstep.sh >>>>> ( >>>>> cd core/base >>>>> ./configure \ >>>>> --with-layout=gnustep \ >>>>> CC=${CC} CXX=${CXX} >>>>> ) >>>>> >>>>> configure:13164: checking whether objc really works >>>>> configure:13194: /usr/local/bin/clang -o conftest -g -O2 \ >>>>> -I/usr/GNUstep/System/Library/Headers >>>>> -I/usr/GNUstep/Local/Library/Headers \ >>>>> -I/usr/local/include \ >>>>> -fgnu-runtime -x objective-c \ >>>>> -L/usr/GNUstep/System/Library/Libraries >>>>> -L/usr/GNUstep/Local/Library/Libraries -L/usr/local/lib \ >>>>> conftest.c \ >>>>> -lrt -lpthread -rdynamic -pthread \ >>>>> -fobjc-nonfragile-abi -fgnu-runtime \ >>>>> -L/home/frank/GNUstep/Library/Libraries >>>>> -L/usr/GNUstep/Local/Library/Libraries \ >>>>> -L/usr/GNUstep/System/Library/Libraries -L/usr/local/lib \ >>>>> -l:libobjc.so.4.6 -lm >>>>> >>>>> In file included from conftest.c:99: >>>>> In file included from ././config/config.objc.m:2: >>>>> ././config/objc-common.g:53:3: warning: assignment to Objective-C's isa >>>>> is deprecated in favor of object_setClass() [-Wdeprecated-objc-isa-usage] >>>>> obj->isa = self; >>>>> ^ ~~~~~~~ >>>>> object_setClass( , ) >>>>> ././config/objc-common.g:46:5: note: instance variable is declared here >>>>> id isa; >>>>> ^ >>>>> 1 warning generated. >>>>> /usr/local/lib/libobjc.so.4.6: undefined reference to `vtable for >>>>> std::type_info' >>>>> /usr/local/lib/libobjc.so.4.6: undefined reference to >>>>> `std::type_info::__is_function_p() const' >>>>> /usr/local/lib/libobjc.so.4.6: undefined reference to `typeinfo for >>>>> std::type_info' >>>>> /usr/local/lib/libobjc.so.4.6: undefined reference to >>>>> `std::type_info::~type_info()' >>>>> /usr/local/lib/libobjc.so.4.6: undefined reference to >>>>> `std::type_info::__do_upcast(__cxxabiv1::__class_type_info const*, >>>>> void**) const' >>>>> /usr/local/lib/libobjc.so.4.6: undefined reference to >>>>> `std::type_info::__is_pointer_p() const' >>>>> clang-3.4: error: linker command failed with exit code 1 (use -v to see >>>>> invocation) >>>>> >>>>> _______________________________________________ >>>>> Gnustep-dev mailing list >>>>> [email protected] >>>>> https://lists.gnu.org/mailman/listinfo/gnustep-dev >>>> >>>> >>> >>> >> >> >
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