X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=64922bb68227883657a27106451f0cb16938800b;hb=c0c05bb3fbfdd1a82bccdcbc34c77a4927c99316;hp=f25589c792134e1697a257b164e69b1a3d8d2014;hpb=37fe79750c2a2f72567e0655b697eaab3ad720e8;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index f25589c..64922bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1198,7 +1198,7 @@ else
 fi
 
 dnl ** check for math library
-AC_CHECK_LIB([m], [main], [LIBM="-lm"], [LIBM=])
+AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
 AC_SUBST([LIBM])
 
 dnl ** check for X Window System
@@ -1309,8 +1309,6 @@ else
     AC_SUBST(HaveRtldNow)
 fi
 
-FPTOOLS_CHECK_LIB_NOWARN(m, atan)
-
 dnl ---------- usleep ----------
 dnl --- stolen from guile configure ---
 dnl --- FIXME: /usr/include/unistd.h can't be right?