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-rw-r--r--configure.in3
1 files changed, 1 insertions, 2 deletions
diff --git a/configure.in b/configure.in
index 2ff6244..64699ff 100644
--- a/configure.in
+++ b/configure.in
@@ -2978,12 +2978,11 @@ fi],
# ************************************
# * Check for mathematical functions *
# ************************************
-# check for hypot() in math library
LIBS_SAVE=$LIBS
LIBS="$LIBS $LIBM"
AC_REPLACE_FUNCS(hypot)
-AC_CHECK_FUNCS(copysign isfinite isnan isinf)
+AC_CHECK_FUNCS(acosh asinh atanh copysign expm1 finite isinf isnan log1p)
LIBS=$LIBS_SAVE