+2011-10-06 Bruno Haible <bruno@clisp.org>
+
+ fabsf: Drop assumption about library that defines fabsf.
+ * m4/fabsf.m4 (gl_FUNC_FABSF): Use gl_MATHFUNC macro instead of
+ AC_CHECK_FUNCS.
+ * modules/fabsf (Files): Add m4/mathfunc.m4.
+
2011-10-06 Bruno Haible <bruno@clisp.org>
frexpf: Drop assumption about library that defines frexpf.
-# fabsf.m4 serial 1
+# fabsf.m4 serial 2
dnl Copyright (C) 2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_REQUIRE([gl_MATH_H_DEFAULTS])
AC_REQUIRE([gl_FUNC_FABS])
- dnl Test whether fabsf() exists. Assume that fabsf(), if it exists, is
- dnl defined in the same library as fabs().
- save_LIBS="$LIBS"
- LIBS="$LIBS $FABS_LIBM"
- AC_CHECK_FUNCS([fabsf])
- LIBS="$save_LIBS"
- if test $ac_cv_func_fabsf = yes; then
- FABSF_LIBM="$FABS_LIBM"
- else
+ dnl Test whether fabsf() exists. We cannot assume that fabsf(), if it
+ dnl exists, is defined in the same library as fabs(). This is not the case
+ dnl on FreeBSD, NetBSD, OpenBSD.
+ gl_MATHFUNC([fabsf], [float], [(float)])
+ if test $gl_cv_func_fabsf_no_libm = no \
+ && test $gl_cv_func_fabsf_in_libm = no; then
HAVE_FABSF=0
FABSF_LIBM="$FABS_LIBM"
fi