From: "Igor Zubkov" <igor.zubkov@gmail.com> To: "ALT Devel discussion list" <devel@lists.altlinux.org> Subject: Re: [devel] C++ libraries linking Date: Mon, 6 Aug 2007 23:48:54 +0300 Message-ID: <fa54e4a90708061348l72d94876hde554199c85b715f@mail.gmail.com> (raw) In-Reply-To: <20070806200751.GA29773@osdn.org.ua> 2007/8/6, Michael Shigorin <mike osdn.org.ua>: > On Mon, Mar 20, 2006 at 10:29:56PM +0200, Igor Vlasenko wrote: > > борясь с --as-needed в одном кривом софте (yacas), > > заметил, что его библиотеки имеют undefined symbols из > > libstdc++, и действительно, линкуются gcc: > > О, а я сегодня по старой памяти и поводу в виде 1.1.0 попробовал > его упакетить. Спек в аттаче, итог сборки таков: Что-то я не вижу спека в аттаче. > /bin/sh ../libtool --mode=link g++ -pipe -Wall -O2 -march=athlon -mtune=athlon-xp -Wall -o yacas yacasmain.o unixcommandline.o stdcommandline.o libyacasnumbers.la libyacas.la libyacasplatform.la ../libltdl/libltdlc.la -lm > g++ -pipe -Wall -O2 -march=athlon -mtune=athlon-xp -Wall -o .libs/yacas yacasmain.o unixcommandline.o stdcommandline.o ./.libs/libyacasnumbers.so ./.libs/libyacas.so ./.libs/libyacasplatform.so ../libltdl/.libs/libltdlc.a -ldl -lm > ./.libs/libyacas.so: undefined reference to `sqrt' > ./.libs/libyacas.so: undefined reference to `tan' > ./.libs/libyacas.so: undefined reference to `asin' > ./.libs/libyacas.so: undefined reference to `log' > ./.libs/libyacas.so: undefined reference to `atan' > ./.libs/libyacas.so: undefined reference to `fmod' > ./.libs/libyacas.so: undefined reference to `acos' > ./.libs/libyacas.so: undefined reference to `exp' > ./.libs/libyacas.so: undefined reference to `sin' > ./.libs/libyacas.so: undefined reference to `pow' > ./.libs/libyacas.so: undefined reference to `cos' И что здесь не понятно? -lm должно быть до бинари. Патч прислать? > > gcc -shared .libs/deffile.o ... > > ./.libs/libyacasnumbers.so ./.libs/libyacasplatform.so -lm -ldl > > -march=athlon -Wl,--as-needed -Wl,-soname -Wl,libyacas.so.0 -o > > .libs/libyacas.so.0.0.0 > > > > однако это получается из > > > > ../libtool --mode=link g++ -pipe -Wall -O2 -march=athlon -Wall > > -Wl,--as-needed -o libyacas.la -rpath /usr/lib deffile.lo ... > > ... <other>.lo libyacasnumbers.la libyacasplatform.la -lm -ldl > > > > где явно указан g++. > > > > Кто знает в чем причина? -- icesik
next prev parent reply other threads:[~2007-08-06 20:48 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2006-03-20 20:29 Igor Vlasenko 2006-03-20 21:23 ` Dmitry V. Levin 2006-03-21 6:31 ` Vitaly Lipatov 2007-08-06 20:07 ` Michael Shigorin 2007-08-06 20:48 ` Igor Zubkov [this message] 2007-08-06 20:51 ` Michael Shigorin 2007-08-06 20:54 ` Dmitry V. Levin 2007-08-06 21:27 ` Igor Zubkov
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