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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 803e44a..ce9995f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,6 +36,8 @@ if [[ -z $SED ]] ; then
AC_MSG_ERROR([sed is needed to build x11perf])
fi
+AC_TYPE_SIGNAL
+
# Checks for pkg-config packages
PKG_CHECK_MODULES(X11PERF, x11 xmu)
AC_SUBST(X11PERF_CFLAGS)