On 08/19/2016 07:22 AM, Arnaldo Carvalho de Melo wrote: > Em Thu, Aug 18, 2016 at 09:03:08AM -0700, Vineet Gupta escreveu: >> On 08/18/2016 07:07 AM, Arnaldo Carvalho de Melo wrote: >>> Are you aware of any readily available tarball or docker image that has >>> a uclibc based devel env that I could grab? I'd add it to my build setup >>> to make sure I (and my downstreamers) don't break uclibc environments in >>> the future. >> >> A prebuilt toolchain would just suffice. >> >> https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/download/arc-2016.03/arc_gnu_2016.03_prebuilt_uclibc_le_archs_linux_install.tar.gz > > So, I did just that, from now on, before pushing things to Ingo, that > prebuilt toolchain will be used in a docker container, please take a > look at the Dockerfile and see if there is something missing from the > cross build make command line: > > # -------------------- 8< ------------------------------- > # docker.io/acmel/linux-perf-tools-build-fedora:24-x-ARC-uClibc > FROM docker.io/fedora:24 > MAINTAINER Arnaldo Carvalho de Melo <acme at kernel.org> > ENV TOOLCHAIN=arc_gnu_2016.03_prebuilt_uclibc_le_archs_linux_install > RUN SOURCEFILE=${TOOLCHAIN}.tar.gz && \ > dnf -y install make flex bison tar gzip && \ > dnf -y clean all && \ > mkdir -m 777 -p /tmp/build/perf && \ > curl -OL https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/download/arc-2016.03/${SOURCEFILE} && \ > tar xf ${SOURCEFILE} && \ > rm -f ${SOURCEFILE} && \ > groupadd -r perfbuilder && \ > useradd -r -g perfbuilder perfbuilder > USER perfbuilder > ENTRYPOINT make -C /git/linux/tools/perf O=/tmp/build/perf ARCH=arc CROSS_COMPILE=/${TOOLCHAIN}/bin/arc-linux- This is interesting. I thought CROSS_COMPILE provided the prefixes to make vars and that PATH was still needed. But good if this works too so u don't have to fudge PATH with ARC tools in your env. > # -------------------- 8< ------------------------------- > > Do I have to pass some extra flags? Perhaps for sysroot? No - the default sysroot just works. > > With the above I get: > > # dm fedora:24-x-ARC-uClibc > 1: 29.108592825 fedora:24-x-ARC-uClibc: Ok > # > > Which selected these features: > > make: Entering directory '/git/linux/tools/perf' > BUILD: Doing 'make -j4' parallel build > sh: line 0: command: -c: invalid option > command: usage: command [-pVv] command [arg ...] > > Auto-detecting system features: > ... dwarf: [ OFF ] > ... dwarf_getlocations: [ OFF ] > ... glibc: [ on ] > ... gtk2: [ OFF ] > ... libaudit: [ OFF ] > ... libbfd: [ OFF ] > ... libelf: [ OFF ] > ... libnuma: [ OFF ] > ... numa_num_possible_cpus: [ OFF ] > ... libperl: [ OFF ] > ... libpython: [ OFF ] > ... libslang: [ OFF ] > ... libcrypto: [ OFF ] > ... libunwind: [ OFF ] > ... libdw-dwarf-unwind: [ OFF ] > ... zlib: [ OFF ] > ... lzma: [ OFF ] > ... get_cpuid: [ OFF ] > ... bpf: [ on ] > > Makefile.config:260: No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel > Makefile.config:360: No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev > Makefile.config:433: Disabling post unwind, no support found. > Makefile.config:479: No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev > Makefile.config:490: No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev > Makefile.config:505: slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev > Makefile.config:519: GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev > Makefile.config:547: Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev > Makefile.config:573: No python interpreter was found: disables Python support - please install python-devel/python-dev > Makefile.config:680: No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev > Makefile.config:693: No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev > Makefile.config:750: Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc Awesome - I presume it ran to completion and builds perf successfully. Thx a bunch for doing this Arnaldo - CROSS build and uclibc had a tendency to break here and there so this will catch errors early. -Vineet
