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-rw-r--r--sysdeps/nptl/allocrtsig.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/nptl/allocrtsig.c b/sysdeps/nptl/allocrtsig.c
index 6b1c5b2e33..7e3c62140b 100644
--- a/sysdeps/nptl/allocrtsig.c
+++ b/sysdeps/nptl/allocrtsig.c
@@ -16,6 +16,7 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <signal.h>
 #include <nptl/pthreadP.h>
 
 /* Up to three special signals might be used privately by libpthread.