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diff --git a/modules/copysign b/modules/copysign
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+Description:
+copysign() function: copy sign.
+
+Files:
+m4/mathfunc.m4
+
+Depends-on:
+
+configure.ac:
+gl_MATHFUNC([copysign])
+
+Makefile.am:
+
+Include:
+<math.h>
+
+Link:
+$(COPYSIGN_LIBM)
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible