On 01/15/2010 10:50 AM, Aurelien Jacobs wrote: > On Tue, Jan 12, 2010 at 10:32:23AM -0500, A. Craig West wrote: >> I recently ran into a problem building ffmpeg on a uclibc system, >> where ffmpeg appears to depend on the log2f function. A bit of >> investigation led me to a section of code in libm/float_wrappers.c, >> with #undef L_log2f, and the comment: >> /* For the time being, do _NOT_ implement these functions >> * that are defined by SuSv3 */ >> >> What is missing is any explanation of WHY these functions are left >> unimplemented. > > Attached patch enable those function to allow ffmpeg/x264/... to build. > >> There is the secondary issue of why ffmpeg requires >> this function, but that isn't really pertinent to this list... > > Significant overall speed difference compared to the double version > (on libc which actually implement a float version).
Applied to master and 0_9_30 branches. Thanks, -Austin _______________________________________________ uClibc mailing list uClibc@uclibc.org http://lists.busybox.net/mailman/listinfo/uclibc