Messages in this thread Patch in this message | | | Date | Fri, 17 Aug 2018 15:56:41 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 06/13] perf tools: Add compression id into struct kmod_path |
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Em Fri, Aug 17, 2018 at 03:28:49PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Fri, Aug 17, 2018 at 03:23:15PM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Fri, Aug 17, 2018 at 11:48:06AM +0200, Jiri Olsa escreveu: > > > static const struct { > > > const char *fmt; > > > int (*decompress)(const char *input, int output); > > > } compressions[] = { > > > + [COMP_ID__NONE] = { 0 }, > > > > > > This broke the build in many places, problems of this kind: > > > > CC /tmp/build/perf/util/dso.o > > LD /tmp/build/perf/scripts/python/Perf-Trace-Util/libperf-in.o > > LD /tmp/build/perf/scripts/libperf-in.o > > CC /tmp/build/perf/trace/beauty/clone.o > > CC /tmp/build/perf/util/symbol.o > > util/dso.c:201:24: error: missing field 'decompress' initializer [-Werror,-Wmissing-field-initializers] > > [COMP_ID__NONE] = { 0 }, > > ^ > > 1 error generated. > > CC /tmp/build/perf/trace/beauty/fcntl.o > > mv: cannot stat '/tmp/build/perf/util/.dso.o.tmp': No such file or directory > > /git/linux/tools/build/Makefile.build:96: recipe for target '/tmp/build/perf/util/dso.o' failed > > > > If we look just at those that failed, its several gcc versions: > > > > 11 9.91 centos:5 : FAIL gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55) > > 12 14.34 centos:6 : FAIL gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23) > > 16 47.50 debian:9 : FAIL gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 > > 28 53.92 fedora:25 : FAIL gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1) > > 29 60.75 fedora:26 : FAIL gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2) > > 30 90.76 fedora:27 : FAIL gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6) > > 41 12.78 oraclelinux:6 : FAIL gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1) > > 43 12.85 ubuntu:12.04.5 : FAIL gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 > > 46 45.56 ubuntu:16.04 : FAIL gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609 > > 54 49.60 ubuntu:17.10 : FAIL gcc (Ubuntu 7.2.0-8ubuntu3.2) 7.2.0 > > Sorry, gcc eats this with gusto, its just clang that is not taking it, > for instance, this is the one in fedora:27: > > clang version 5.0.2 (tags/RELEASE_502/final)
Nah, this cures it, and its not just clang, as we don't have it in the older images like centos:5.
Patch below seems to cure in all cases, I'll do what is usual, use designated initializers everywhere...
- Arnaldo
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 8ce3de665993..bbed90e5d9bb 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -198,7 +198,7 @@ static const struct { int (*decompress)(const char *input, int output); bool (*is_compressed)(const char *input); } compressions[] = { - [COMP_ID__NONE] = { 0 }, + [COMP_ID__NONE] = { .fmt = NULL, }, #ifdef HAVE_ZLIB_SUPPORT { "gz", gzip_decompress_to_file, gzip_is_compressed }, #endif
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