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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-09-18 16:08:02 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-09-19 10:25:13 -0300
commit24ef0fd0a1f389b156e6ef0edd71072728831bd9 (patch)
treeb434a93cb898f34bf43d6ce314c723507ec20a54 /net/nfc
parentc04c859f439fb4de9039246370d60a07b9b5bcb5 (diff)
perf python: Use -Wno-redundant-decls to build with PYTHON=python3
When building in ClearLinux using 'make PYTHON=python3' with gcc 8.2.1 it fails with: GEN /tmp/build/perf/python/perf.so In file included from /usr/include/python3.7m/Python.h:126, from /git/linux/tools/perf/util/python.c:2: /usr/include/python3.7m/import.h:58:24: error: redundant redeclaration of ‘_PyImport_AddModuleObject’ [-Werror=redundant-decls] PyAPI_FUNC(PyObject *) _PyImport_AddModuleObject(PyObject *, PyObject *); ^~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/python3.7m/import.h:47:24: note: previous declaration of ‘_PyImport_AddModuleObject’ was here PyAPI_FUNC(PyObject *) _PyImport_AddModuleObject(PyObject *name, ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors error: command 'gcc' failed with exit status 1 And indeed there is a redundant declaration in that Python.h file, one with parameter names and the other without, so just add -Wno-error=redundant-decls to the python setup instructions. Now perf builds with gcc in ClearLinux with the following Dockerfile: # docker.io/acmel/linux-perf-tools-build-clearlinux:latest FROM docker.io/clearlinux:latest MAINTAINER Arnaldo Carvalho de Melo <acme@kernel.org> RUN swupd update && \ swupd bundle-add sysadmin-basic-dev RUN mkdir -m 777 -p /git /tmp/build/perf /tmp/build/objtool /tmp/build/linux && \ groupadd -r perfbuilder && \ useradd -m -r -g perfbuilder perfbuilder && \ chown -R perfbuilder.perfbuilder /tmp/build/ /git/ USER perfbuilder COPY rx_and_build.sh / ENV EXTRA_MAKE_ARGS=PYTHON=python3 ENTRYPOINT ["/rx_and_build.sh"] Now to figure out why the build fails with clang, that is present in the above container as detected by the rx_and_build.sh script: clang version 6.0.1 (tags/RELEASE_601/final) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/sbin make: Entering directory '/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build HOSTCC /tmp/build/perf/fixdep.o HOSTLD /tmp/build/perf/fixdep-in.o LINK /tmp/build/perf/fixdep Auto-detecting system features: ... dwarf: [ OFF ] ... dwarf_getlocations: [ OFF ] ... glibc: [ OFF ] ... 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: [ OFF ] Makefile.config:331: *** No gnu/libc-version.h found, please install glibc-dev[el]. Stop. make[1]: *** [Makefile.perf:206: sub-make] Error 2 make: *** [Makefile:70: all] Error 2 make: Leaving directory '/git/linux/tools/perf' Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Thiago Macieira <thiago.macieira@intel.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-c3khb9ac86s00qxzjrueomme@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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