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-rw-r--r--accel-pppd/CMakeLists.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/accel-pppd/CMakeLists.txt b/accel-pppd/CMakeLists.txt
index 496fbdca..7b626c44 100644
--- a/accel-pppd/CMakeLists.txt
+++ b/accel-pppd/CMakeLists.txt
@@ -60,6 +60,7 @@ ENDIF (HAVE_FREE_FN_T)
INCLUDE (CheckCSourceCompiles)
CHECK_C_SOURCE_COMPILES("
+#include <sys/socket.h>
#include <linux/if_arp.h>
#include <net/ethernet.h>
int main(void)