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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 65ae82e27..f01033baf 100644
--- a/configure.in
+++ b/configure.in
@@ -155,7 +155,7 @@ AC_CHECK_SIZEOF(unsigned long, 4)
dnl Checks for library functions.
AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(strerror strtol strtoul stpcpy tcgetattr)
+AC_CHECK_FUNCS(strerror stpcpy strlwr tcgetattr)
dnl check wether we have a random device
AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,