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https://github.com/collectd/collectd/commit/3e3848349b753d78a0b1d19648fb394866856bda
ipc: enable _GNU_SOURCE to fix build with musl libc
This fixes compile the compile error:
> ipc.c:154:49: error: 'struct shm_info' has no member named 'used_ids'
> ipc_submit_g("shm", "segments", NULL, shm_info.used_ids);
> ^
Fixes #1147
Signed-off-by: Alex Suykov <alex.suykov@gmail.com>
diff --git a/src/ipc.c b/src/ipc.c
index 3763f24..b403847 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -32,6 +32,9 @@
#include "configfile.h"
#if KERNEL_LINUX
+ /* _GNU_SOURCE is needed for struct shm_info.used_ids on musl libc */
+# define _GNU_SOURCE
+
/* X/OPEN tells us to use <sys/{types,ipc,sem}.h> for semctl() */
/* X/OPEN tells us to use <sys/{types,ipc,msg}.h> for msgctl() */
/* X/OPEN tells us to use <sys/{types,ipc,shm}.h> for shmctl() */
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