~ruther/guix-local: gnu: libpfm4: Fix build error.

c7795eccaf432beec7366fa901b4bb6fc24cfead — Olivier Dion 4 years ago 9f955a1

gnu: libpfm4: Fix build error.

------
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>

patch browse .tar.gz .zip

1 files changed, 1 insertions(+), 0 deletions(-)

M gnu/packages/linux.scm

M gnu/packages/linux.scm => gnu/packages/linux.scm +1 -0

@@ 7632,6 7632,7 @@ high-speed networking devices.")
                     (lambda* (#:key inputs outputs #:allow-other-keys)
                       (let* ((out (assoc-ref outputs "out")))
                         (setenv "CC" "gcc")
+                        (setenv "CFLAGS" "-Wno-format-truncation")
                         (invoke "make")
                         #t)))
                   (replace 'install