From c7795eccaf432beec7366fa901b4bb6fc24cfead Mon Sep 17 00:00:00 2001 From: Olivier Dion Date: Tue, 14 Dec 2021 21:21:41 -0500 Subject: 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 ------ * gnu/packages/linux.scm (libpfm4)[arguments]: Add `-Wno-format-truncation` to CFLAGS in custom 'build' phase. Signed-off-by: Leo Famulari --- gnu/packages/linux.scm | 1 + 1 file changed, 1 insertion(+) diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm index c752df7996..a1c9408e89 100644 --- a/gnu/packages/linux.scm +++ b/gnu/packages/linux.scm @@ -7632,6 +7632,7 @@ (define-public libpfm4 (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 -- cgit v1.2.3