Em Sat, Aug 08, 2015 at 06:42:19PM +0200, Andi Kleen escreveu: > > please also update the warning, as now it's not obvious you need > > to install also bz2 libs (bzip2-devel on Fedora) for dwarf support.. > > we already have check for lzma > > The package should already pull it in as a dependency.
Noticed that this regresses my environment, Fedora 21: [acme@zoo linux]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ; m make: Entering directory '/home/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... dwarf: [ OFF ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... libperl: [ on ] ... libpython: [ on ] ... libslang: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] config/Makefile:267: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev MKDIR /tmp/build/perf/util/ Have not investigated, just noticed that dwarf is disabled if this patch is applied, removing it for now, will check later. - Arnaldo -- 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/