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* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
26 lines
876 B
Plaintext
26 lines
876 B
Plaintext
# ldexpf.m4 serial 2
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dnl Copyright (C) 2011-2017 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_LDEXPF],
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[
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AC_REQUIRE([gl_MATH_H_DEFAULTS])
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AC_REQUIRE([gl_FUNC_LDEXP])
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dnl Persuade glibc <math.h> to declare ldexpf().
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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dnl Test whether ldexpf() exists. We cannot assume that ldexpf(), if it
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dnl exists, is defined in the same library as ldexp(). This is not the case
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dnl on FreeBSD, NetBSD, OpenBSD.
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gl_MATHFUNC([ldexpf], [float], [(float, int)])
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if test $gl_cv_func_ldexpf_no_libm = no \
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&& test $gl_cv_func_ldexpf_in_libm = no; then
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HAVE_LDEXPF=0
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LDEXPF_LIBM="$LDEXP_LIBM"
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fi
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AC_SUBST([LDEXPF_LIBM])
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])
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