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c7795eccaf
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For some reason, the build recently failed with:
pfmlib_perf_event_pmu.c:349:36: error: ?%s? directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
349 | snprintf(d2path, MAXPATHLEN, "%s/%s", debugfs_mnt, d1->d_name);
| ^~
pfmlib_perf_event_pmu.c:349:3: note: ?snprintf? output between 2 and 4352 bytes into a destination of size 4096
349 | snprintf(d2path, MAXPATHLEN, "%s/%s", debugfs_mnt, d1->d_name);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pfmlib_perf_event_pmu.c:399:58: error: ?%s? directive output may be truncated writing up to 255 bytes into a region of size between 0 and 4095 [-Werror=format-truncation=]
399 | snprintf(idpath, MAXPATHLEN, "%s/%s/id", d2path, d2->d_name);
| ^~
pfmlib_perf_event_pmu.c:399:25: note: ?snprintf? output between 5 and 4355 bytes into a destination of size 4096
399 | snprintf(idpath, MAXPATHLEN, "%s/%s/id", d2path, d2->d_name);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
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* gnu/packages/linux.scm (libpfm4)[arguments]: Add `-Wno-format-truncation` to
CFLAGS in custom 'build' phase.
Signed-off-by: Leo Famulari <leo@famulari.name>