On MacOS with gcc 7.3
> On Sep 11, 2018, at 3:02 PM, Jeff Squyres (jsquyres) via devel > <devel@lists.open-mpi.org> wrote: > > Ralph -- > > What OS / compiler are you using? > > I just compiled on MacOS (first time in a while) and filed a PR and a few > issues about the warnings I found, but I cannot replicate these warnings. I > also built with gcc 7.3.0 on RHEL; couldn't replicate the warnings. > > On MacOS, I'm using the default Xcode compilers: > > $ gcc --version > Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr > --with-gxx-include-dir=/usr/include/c++/4.2.1 > Apple LLVM version 9.1.0 (clang-902.0.39.2) > Target: x86_64-apple-darwin17.7.0 > Thread model: posix > InstalledDir: > /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin > > > > > >> On Sep 10, 2018, at 6:57 PM, Ralph H Castain <r...@open-mpi.org> wrote: >> >> Still seeing this in today’s head of master: >> >> info_subscriber.c: In function 'opal_infosubscribe_change_info': >> ../../opal/util/info.h:112:31: warning: '%s' directive output may be >> truncated writing up to 36 bytes into a region of size 27 >> [-Wformat-truncation=] >> #define OPAL_INFO_SAVE_PREFIX "_OMPI_IN_" >> ^ >> info_subscriber.c:268:13: note: in expansion of macro 'OPAL_INFO_SAVE_PREFIX' >> OPAL_INFO_SAVE_PREFIX "%s", key); >> ^~~~~~~~~~~~~~~~~~~~~ >> info_subscriber.c:268:36: note: format string is defined here >> OPAL_INFO_SAVE_PREFIX "%s", key); >> ^~ >> In file included from >> /opt/local/lib/gcc7/gcc/x86_64-apple-darwin17/7.3.0/include-fixed/stdio.h:425:0, >> from ../../opal/class/opal_list.h:71, >> from ../../opal/util/info_subscriber.h:30, >> from info_subscriber.c:45: >> info_subscriber.c:267:9: note: '__builtin_snprintf' output between 10 and 46 >> bytes into a destination of size 36 >> snprintf(modkey, OPAL_MAX_INFO_KEY, >> ^ >> In file included from >> /opt/local/lib/gcc7/gcc/x86_64-apple-darwin17/7.3.0/include-fixed/stdio.h:425:0, >> from ../../opal/class/opal_list.h:71, >> from ../../opal/util/info.h:30, >> from info.c:46: >> info.c: In function 'opal_info_dup_mode.constprop': >> ../../opal/util/info.h:112:31: warning: '%s' directive output may be >> truncated writing up to 36 bytes into a region of size 28 >> [-Wformat-truncation=] >> #define OPAL_INFO_SAVE_PREFIX "_OMPI_IN_" >> ^ >> info.c:212:22: note: in expansion of macro 'OPAL_INFO_SAVE_PREFIX' >> OPAL_INFO_SAVE_PREFIX "%s", pkey); >> ^~~~~~~~~~~~~~~~~~~~~ >> info.c:212:45: note: format string is defined here >> OPAL_INFO_SAVE_PREFIX "%s", pkey); >> ^~ >> In file included from >> /opt/local/lib/gcc7/gcc/x86_64-apple-darwin17/7.3.0/include-fixed/stdio.h:425:0, >> from ../../opal/class/opal_list.h:71, >> from ../../opal/util/info.h:30, >> from info.c:46: >> info.c:211:18: note: '__builtin_snprintf' output between 10 and 46 bytes >> into a destination of size 37 >> snprintf(savedkey, OPAL_MAX_INFO_KEY+1, >> ^ >> >> >> _______________________________________________ >> devel mailing list >> devel@lists.open-mpi.org >> https://lists.open-mpi.org/mailman/listinfo/devel > > > -- > Jeff Squyres > jsquy...@cisco.com > > _______________________________________________ > devel mailing list > devel@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/devel
