In fact, libogg and libtheora are sort of frozen; this https://git.xiph.org/?p=theora.git looks quite low-activity, too.
On Tuesday, September 19, 2017 at 4:54:20 PM UTC+1, Thierry (sage-googlesucks@xxx) wrote: > > Hi, > > if we are sure that libtheora is of no use, why not just removing it ? The > goal of Sage, even Sage-the-distribution, is not to distribute as much as > possible (note that there are currently 265 packages). > > Same question for libogg. > > See also the thread about "useless" packages with 'pip' type, see > https://groups.google.com/forum/#!msg/sage-devel/oDJS-7R0qzE > > Ciao, > Thierry > > > > On Tue, Sep 19, 2017 at 07:30:38AM -0700, Dima Pasechnik wrote: > > fails on semi-current gentoo: > > > > [libtheora-1.1.1] libtool: link: gcc -Wall -Wno-parentheses -O3 > > -fforce-addr -fomit-frame-pointer -finline-functions -funroll-loops > > -Wl,-rpath -Wl,/home/dima/Sage/sage-dev/local/lib -o .libs/png2theora > > png2theora-png2theora.o -L/home/dima/Sage/sage-dev/local/lib > > ../lib/.libs/libtheoraenc.so ../lib/.libs/libtheoradec.so -logg -lpng16 > -lm > > -Wl,-rpath -Wl,/home/dima/Sage/sage-dev/local/lib > > [libtheora-1.1.1] png2theora-png2theora.o: In function `png_read': > > [libtheora-1.1.1] png2theora.c:(.text+0x26d): undefined reference to > > `png_sizeof' > > [libtheora-1.1.1] png2theora.c:(.text+0x290): undefined reference to > > `png_sizeof' > > [libtheora-1.1.1] collect2: error: ld returned 1 exit status > > [libtheora-1.1.1] make[4]: *** [Makefile:291: png2theora] Error 1 > > > > Yes, downgrading - unless the author is willing to fix it... > > > > > > On Tuesday, September 19, 2017 at 2:15:36 PM UTC+1, Maarten Derickx > wrote: > > > > > > > > > > > > On Tuesday, 19 September 2017 15:07:23 UTC+2, vdelecroix wrote: > > >> > > >> On 19/09/2017 14:22, Maarten Derickx wrote: > > >> > > >> > Currently the optional package libtheora fails to install: see > > >> > https://trac.sagemath.org/ticket/23732 for details. > > >> > > >> Actually, I also had troubles on Ubuntu 64 bits (based on debian). > > >> > > >> > > > From a logical point of view it should actually fail on any operating > > > system where one builds sage from source. The reason is that the > version of > > > libtheora is incompatible with the version of libpng (standard > package) > > > that we ship. > > > > > > > > >> Vincent > > >> > > > > > > > -- > > You received this message because you are subscribed to the Google > Groups "sage-devel" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to sage-devel+...@googlegroups.com <javascript:>. > > To post to this group, send email to sage-...@googlegroups.com > <javascript:>. > > Visit this group at https://groups.google.com/group/sage-devel. > > For more options, visit https://groups.google.com/d/optout. > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.