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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 bb7861b..c7380ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4727,6 +4727,8 @@ LIBS=$LIBS_no_readline
AC_MSG_CHECKING(for broken nice())
AC_CACHE_VAL(ac_cv_broken_nice, [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <stdlib.h>
+#include <unistd.h>
int main()
{
int val1 = nice(1);