Re: Final versions of ncurses libs detection patches
On 06/03/13 22:23, Yann E. MORIN wrote: > On Ubuntu Quantal, ncurses is indeed compiled with tinfo as a separate > lib, but these two patches are not needed, because libncurses has proper > (NEEDED) on libtinfo: > > $ readelf -d /lib/x86_64-linux-gnu/libncurses.so.5.9 |grep tinfo > 0x0001 (NEEDED) Shared library: [libtinfo.so.5] Hi Yann, Same here $ scanelf -n /lib//libncurses.so.5.9 TYPE NEEDED FILE ET_DYN libc.so.6,libdl.so.2,libtinfo.so.5 /lib//libncurses.so.5.9 But why it works on ubuntu and debian is that /lib/lib/x86_64-linux-gnu/libncurses.so.5.9 is a ld script with following content INPUT(libncurses.so.9 -ltinfo) It instructs the linker at link time to add additionally -ltinfo. On Gentoo, the base-system maintainers refuse to do this (I would agree if you call it a bug on our side), but I am not allowed to touch those packages. Luckily ncurses provides the config scripts and the pkg-config modules to do sane linking. This should be done if possible regardless the situation on a single distributions. > > If I just configure ncurses with: > $ ./configure --with-termlib --with-shared --without-normal && make > $ readelf -d lib/libncurses.so.5.9 |grep tinfo > 0x0001 (NEEDED) Shared library: [libtinfo.so.5] > > I wonder how you configured your ncurses. ./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --with-terminfo-dirs=/etc/terminfo:/usr/share/terminfo --with-shared --without-hashed-db --without-ada --with-cxx --with-cxx-binding --without-debug --without-profile --with-gpm --disable-termcap --enable-symlinks --with-rcs-ids --with-manpage-format=normal --enable-const --enable-colorfgbg --enable-echo --enable-pc-files --enable-warnings --without-assertions --disable-leaks --without-expanded --with-macros --without-trace --with-termlib --with-chtype=long --with-mmask-t=long --disable-ext-colors --disable-ext-mouse --without-pthread --without-reentrant > > Thanks for staying around during the iterations. No problem, this is how it works. Thanks for your suggestions, Justin signature.asc Description: OpenPGP digital signature
Re: Final versions of ncurses libs detection patches
On 06/03/13 22:23, Yann E. MORIN wrote: On Ubuntu Quantal, ncurses is indeed compiled with tinfo as a separate lib, but these two patches are not needed, because libncurses has proper (NEEDED) on libtinfo: $ readelf -d /lib/x86_64-linux-gnu/libncurses.so.5.9 |grep tinfo 0x0001 (NEEDED) Shared library: [libtinfo.so.5] Hi Yann, Same here $ scanelf -n /lib//libncurses.so.5.9 TYPE NEEDED FILE ET_DYN libc.so.6,libdl.so.2,libtinfo.so.5 /lib//libncurses.so.5.9 But why it works on ubuntu and debian is that /lib/lib/x86_64-linux-gnu/libncurses.so.5.9 is a ld script with following content INPUT(libncurses.so.9 -ltinfo) It instructs the linker at link time to add additionally -ltinfo. On Gentoo, the base-system maintainers refuse to do this (I would agree if you call it a bug on our side), but I am not allowed to touch those packages. Luckily ncurses provides the config scripts and the pkg-config modules to do sane linking. This should be done if possible regardless the situation on a single distributions. If I just configure ncurses with: $ ./configure --with-termlib --with-shared --without-normal make $ readelf -d lib/libncurses.so.5.9 |grep tinfo 0x0001 (NEEDED) Shared library: [libtinfo.so.5] I wonder how you configured your ncurses. ./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --with-terminfo-dirs=/etc/terminfo:/usr/share/terminfo --with-shared --without-hashed-db --without-ada --with-cxx --with-cxx-binding --without-debug --without-profile --with-gpm --disable-termcap --enable-symlinks --with-rcs-ids --with-manpage-format=normal --enable-const --enable-colorfgbg --enable-echo --enable-pc-files --enable-warnings --without-assertions --disable-leaks --without-expanded --with-macros --without-trace --with-termlib --with-chtype=long --with-mmask-t=long --disable-ext-colors --disable-ext-mouse --without-pthread --without-reentrant Thanks for staying around during the iterations. No problem, this is how it works. Thanks for your suggestions, Justin signature.asc Description: OpenPGP digital signature
Re: Final versions of ncurses libs detection patches
Justin, All, On Wednesday 06 March 2013 j...@gentoo.org wrote: > I am sorry for the long delay. > Final versions of the patches which are reduced to the usage of pkg-config. > And > if unavailable we use the old code. On Ubuntu Quantal, ncurses is indeed compiled with tinfo as a separate lib, but these two patches are not needed, because libncurses has proper (NEEDED) on libtinfo: $ readelf -d /lib/x86_64-linux-gnu/libncurses.so.5.9 |grep tinfo 0x0001 (NEEDED) Shared library: [libtinfo.so.5] If I just configure ncurses with: $ ./configure --with-termlib --with-shared --without-normal && make $ readelf -d lib/libncurses.so.5.9 |grep tinfo 0x0001 (NEEDED) Shared library: [libtinfo.so.5] I wonder how you configured your ncurses. But anyway, even in that cse, using pkg-config when available is better than using our previous legacy checks. I'm still doing a few more tests on my side before queuing. > Thanks for all suggestions, Thanks for staying around during the iterations. Regards, Yann E. MORIN. -- .-..--.. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 223 225 172 `.---: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL| v conspiracy. | '--^---^--^' -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Final versions of ncurses libs detection patches
Hello, I am sorry for the long delay. Final versions of the patches which are reduced to the usage of pkg-config. And if unavailable we use the old code. Thanks for all suggestions, Justin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Final versions of ncurses libs detection patches
Hello, I am sorry for the long delay. Final versions of the patches which are reduced to the usage of pkg-config. And if unavailable we use the old code. Thanks for all suggestions, Justin -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: Final versions of ncurses libs detection patches
Justin, All, On Wednesday 06 March 2013 j...@gentoo.org wrote: I am sorry for the long delay. Final versions of the patches which are reduced to the usage of pkg-config. And if unavailable we use the old code. On Ubuntu Quantal, ncurses is indeed compiled with tinfo as a separate lib, but these two patches are not needed, because libncurses has proper (NEEDED) on libtinfo: $ readelf -d /lib/x86_64-linux-gnu/libncurses.so.5.9 |grep tinfo 0x0001 (NEEDED) Shared library: [libtinfo.so.5] If I just configure ncurses with: $ ./configure --with-termlib --with-shared --without-normal make $ readelf -d lib/libncurses.so.5.9 |grep tinfo 0x0001 (NEEDED) Shared library: [libtinfo.so.5] I wonder how you configured your ncurses. But anyway, even in that cse, using pkg-config when available is better than using our previous legacy checks. I'm still doing a few more tests on my side before queuing. Thanks for all suggestions, Thanks for staying around during the iterations. Regards, Yann E. MORIN. -- .-..--.. | Yann E. MORIN | Real-Time Embedded | /\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 223 225 172 `.---: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL| v conspiracy. | '--^---^--^' -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/