2014-01-13 (월), 15:00 -0300, Arnaldo Carvalho de Melo: > Em Thu, Jan 09, 2014 at 11:07:59PM +0900, Namhyung Kim escreveu: > > It failed to build perf on my ubuntu 10.04 box (gcc 4.4.3): > > > > CC util/strlist.o > > cc1: warnings being treated as errors > > util/strlist.c: In function ‘str_node__delete’: > > util/strlist.c:42: error: dereferencing type-punned pointer will break > > strict-aliasing rules > > util/strlist.c:42: error: dereferencing type-punned pointer will break > > strict-aliasing rules > > CC util/strfilter.o > > make: *** [util/strlist.o] Error 1 > > > > CC util/srcline.o > > cc1: warnings being treated as errors > > util/srcline.c: In function ‘addr2line_init’: > > util/srcline.c:132: error: dereferencing type-punned pointer will break > > strict-aliasing rules > > util/srcline.c:132: error: dereferencing type-punned pointer will break > > strict-aliasing rules > > util/srcline.c: In function ‘addr2line_cleanup’: > > util/srcline.c:143: error: dereferencing type-punned pointer will break > > strict-aliasing rules > > util/srcline.c:143: error: dereferencing type-punned pointer will break > > strict-aliasing rules > > make: *** [util/srcline.o] Error 1 > > > > It seems it only allows to remove 'const' qualifier. > > Humm, I just tried building it here on: > > acme@ubuntu13:~/git/linux$ uname -a > Linux ubuntu13 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 > x86_64 x86_64 x86_64 GNU/Linux > acme@ubuntu13:~/git/linux$ cat /etc/debian_version > wheezy/sid > acme@ubuntu13:~/git/linux$ > > acme@ubuntu13:~/git/linux$ make O=/tmp/build/perf -C tools/perf install > make: Entering directory `/home/acme/git/linux/tools/perf' > BUILD: Doing 'make -j4' parallel build > > Auto-detecting system features: > ... backtrace: [ on ] > ... dwarf: [ OFF ] > ... fortify-source: [ on ] > ... glibc: [ on ] > ... gtk2: [ OFF ] > ... gtk2-infobar: [ OFF ] > ... libaudit: [ OFF ] > ... libbfd: [ OFF ] > ... libelf: [ OFF ] > ... libelf-getphdrnum: [ OFF ] > ... libelf-mmap: [ OFF ] > ... libnuma: [ OFF ] > ... libperl: [ OFF ] > ... libpython: [ OFF ] > ... libpython-version: [ OFF ] > ... libslang: [ OFF ] > ... libunwind: [ OFF ] > ... on-exit: [ on ] > ... stackprotector-all: [ on ] > ... timerfd: [ on ] > > config/Makefile:276: No libelf found, disables 'probe' tool, please install > elfutils-libelf-devel/libelf-dev > config/Makefile:327: No libunwind found, disabling post unwind support. > Please install libunwind-dev[el] >= 1.1 > config/Makefile:350: No libaudit.h found, disables 'trace' tool, please > install audit-libs-devel or libaudit-dev > config/Makefile:364: slang not found, disables TUI support. Please install > slang-devel or libslang-dev > config/Makefile:377: GTK2 not found, disables GTK2 support. Please install > gtk2-devel or libgtk2.0-dev > config/Makefile:438: The path '/usr/bin/python-config' is not executable. > config/Makefile:442: No python-config tool was found > config/Makefile:442: Python support will not be built > config/Makefile:532: No numa.h found, disables 'perf bench numa mem' > benchmark, please install numactl-devel/libnuma-devel/libnuma-dev > MKDIR /tmp/build/perf/arch > <SNIP> > CC /tmp/build/perf/util/strlist.o > <SNIP> > CC /tmp/build/perf/util/parse-events.o > CC /tmp/build/perf/util/parse-events-flex.o > AR /tmp/build/perf/libperf.a > LINK /tmp/build/perf/perf > INSTALL binaries > INSTALL libexec > INSTALL perf-archive > INSTALL perf_completion-script > INSTALL tests > make: Leaving directory `/home/acme/git/linux/tools/perf' > acme@ubuntu13:~/git/linux$ > > Works just fine, can you provide more details about your system? Is it 32-bit?
Nope, it's a 64-bit machine. $ uname -a Linux leonhard 2.6.32-45-generic #104-Ubuntu SMP Tue Feb 19 21:20:09 UTC 2013 x86_64 GNU/Linux $ cat /etc/debian_version squeeze/sid $ make BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... backtrace: [ on ] ... dwarf: [ on ] ... fortify-source: [ on ] ... glibc: [ on ] ... gtk2: [ on ] ... gtk2-infobar: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libelf-getphdrnum: [ OFF ] ... libelf-mmap: [ on ] ... libnuma: [ OFF ] ... libperl: [ on ] ... libpython: [ on ] ... libpython-version: [ on ] ... libslang: [ on ] ... libunwind: [ OFF ] ... on-exit: [ on ] ... stackprotector-all: [ on ] ... timerfd: [ on ] config/Makefile:327: No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1 config/Makefile:532: No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev GEN common-cmds.h <SNIP> CC util/strlist.o CC util/string.o cc1: warnings being treated as errors util/strlist.c: In function ‘str_node__delete’: util/strlist.c:42: error: dereferencing type-punned pointer will break strict-aliasing rules util/strlist.c:42: error: dereferencing type-punned pointer will break strict-aliasing rules make[1]: *** [util/strlist.o] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [all] Error 2 $ gcc --version gcc (Ubuntu 4.4.3-4ubuntu5.1) 4.4.3 Copyright (C) 2009 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
