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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index ea534dd3..b198f3c9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -180,7 +180,7 @@ dnl *** checks for library functions ***
LIBS_SAVE=$LIBS
LIBS="$LIBS $LIBM"
-AC_CHECK_FUNCS(rint)
+AC_CHECK_FUNCS(rint sinh cosh asinh)
LIBS=$LIBS_SAVE
dnl Check for mmap (needed by electricfence plugin)