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-rw-r--r--extension/configure.ac6
1 files changed, 3 insertions, 3 deletions
diff --git a/extension/configure.ac b/extension/configure.ac
index 461826e6..838350cf 100644
--- a/extension/configure.ac
+++ b/extension/configure.ac
@@ -45,9 +45,9 @@ then
CFLAGS="$CFLAGS -Wall -Wextra"
fi
-dnl AC_CHECK_HEADERS(stdarg.h)
-dnl AC_CHECK_FUNCS(snprintf)
-dnl AC_FUNC_VPRINTF
+AC_CHECK_HEADERS(time.h sys/time.h sys/select.h)
+
+AC_CHECK_FUNCS(nanosleep select gettimeofday GetSystemTimeAsFileTime)
dnl checks for compiler characteristics
AC_C_INLINE