Commit 8e93ec54 authored by Ian Lynagh's avatar Ian Lynagh

Fix the -lm configure test; fixes #4155

parent ddec0ec0
......@@ -780,8 +780,11 @@ dnl Keep that check as early as possible.
dnl as we need to know whether we need libm
dnl for math functions or not
dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
AC_SEARCH_LIBS(atan, m,
[AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
if test $HaveLibM = YES
then
AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
fi
dnl ** check whether this machine has BFD and liberty installed (used for debugging)
dnl the order of these tests matters: bfd needs liberty
......
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