X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fipc.c;h=b4038472efb76e4ff48df62e95b91307a8ff2dfc;hb=7bfda8d327240ac73297e4449663814dd0594be5;hp=3763f24837addb2a9b2f523093a49b745119cb78;hpb=a51e76ad951370e0f4f36a5e744b0723b16f8a31;p=collectd.git

diff --git a/src/ipc.c b/src/ipc.c
index 3763f248..b4038472 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() */